X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=gitk;h=c443d951361a534737462d6eccdd20a9c92e95dd;hb=244edd1241cc6168fba0b580c41a6adeb63f1216;hp=90b2eab355c02fe718e1583881d61274b13b0b6a;hpb=1db95b00a2d2a001fd91cd860a71c639ea04eb53;p=git.git diff --git a/gitk b/gitk index 90b2eab3..c443d951 100755 --- a/gitk +++ b/gitk @@ -7,63 +7,157 @@ exec wish "$0" -- "${1+$@}" # and distributed under the terms of the GNU General Public Licence, # either version 2, or (at your option) any later version. -set datemode 0 -set boldnames 0 -set revtreeargs {} - -foreach arg $argv { - switch -regexp -- $arg { - "^$" { } - "^-d" { set datemode 1 } - "^-b" { set boldnames 1 } - "^-.*" { - puts stderr "unrecognized option $arg" - exit 1 - } - default { - lappend revtreeargs $arg - } +proc gitdir {} { + global env + if {[info exists env(GIT_DIR)]} { + return $env(GIT_DIR) + } else { + return ".git" } } proc getcommits {rargs} { - global commits parents cdate nparents children nchildren - if {$rargs == {}} { - set rargs HEAD + global commits commfd phase canv mainfont env + global startmsecs nextupdate ncmupdate + global ctext maincursor textcursor leftover + + # check that we can find a .git directory somewhere... + set gitdir [gitdir] + if {![file isdirectory $gitdir]} { + error_popup "Cannot find the git directory \"$gitdir\"." + exit 1 } set commits {} - foreach c [split [eval exec git-rev-tree $rargs] "\n"] { - set i 0 - set cid {} - foreach f $c { - if {$i == 0} { - set d $f - } else { - set id [lindex [split $f :] 0] - if {![info exists nchildren($id)]} { - set children($id) {} - set nchildren($id) 0 - } - if {$i == 1} { - set cid $id - lappend commits $id - set parents($id) {} - set cdate($id) $d - set nparents($id) 0 - } else { - lappend parents($cid) $id - incr nparents($cid) - incr nchildren($id) - lappend children($id) $cid + set phase getcommits + set startmsecs [clock clicks -milliseconds] + set nextupdate [expr $startmsecs + 100] + set ncmupdate 1 + if [catch { + set parse_args [concat --default HEAD $rargs] + set parsed_args [split [eval exec git-rev-parse $parse_args] "\n"] + }] { + # if git-rev-parse failed for some reason... + if {$rargs == {}} { + set rargs HEAD + } + set parsed_args $rargs + } + if [catch { + set commfd [open "|git-rev-list --header --topo-order $parsed_args" r] + } err] { + puts stderr "Error executing git-rev-list: $err" + exit 1 + } + set leftover {} + fconfigure $commfd -blocking 0 -translation lf + fileevent $commfd readable [list getcommitlines $commfd] + $canv delete all + $canv create text 3 3 -anchor nw -text "Reading commits..." \ + -font $mainfont -tags textitems + . config -cursor watch + settextcursor watch +} + +proc getcommitlines {commfd} { + global commits parents cdate children nchildren + global commitlisted phase commitinfo nextupdate + global stopped redisplaying leftover + + set stuff [read $commfd] + if {$stuff == {}} { + if {![eof $commfd]} return + # set it blocking so we wait for the process to terminate + fconfigure $commfd -blocking 1 + if {![catch {close $commfd} err]} { + after idle finishcommits + return + } + if {[string range $err 0 4] == "usage"} { + set err \ +{Gitk: error reading commits: bad arguments to git-rev-list. +(Note: arguments to gitk are passed to git-rev-list +to allow selection of commits to be displayed.)} + } else { + set err "Error reading commits: $err" + } + error_popup $err + exit 1 + } + set start 0 + while 1 { + set i [string first "\0" $stuff $start] + if {$i < 0} { + append leftover [string range $stuff $start end] + return + } + set cmit [string range $stuff $start [expr {$i - 1}]] + if {$start == 0} { + set cmit "$leftover$cmit" + set leftover {} + } + set start [expr {$i + 1}] + if {![regexp {^([0-9a-f]{40})\n} $cmit match id]} { + set shortcmit $cmit + if {[string length $shortcmit] > 80} { + set shortcmit "[string range $shortcmit 0 80]..." + } + error_popup "Can't parse git-rev-list output: {$shortcmit}" + exit 1 + } + set cmit [string range $cmit 41 end] + lappend commits $id + set commitlisted($id) 1 + parsecommit $id $cmit 1 + drawcommit $id + if {[clock clicks -milliseconds] >= $nextupdate} { + doupdate 1 + } + while {$redisplaying} { + set redisplaying 0 + if {$stopped == 1} { + set stopped 0 + set phase "getcommits" + foreach id $commits { + drawcommit $id + if {$stopped} break + if {[clock clicks -milliseconds] >= $nextupdate} { + doupdate 1 + } } } - incr i } } } +proc doupdate {reading} { + global commfd nextupdate numcommits ncmupdate + + if {$reading} { + fileevent $commfd readable {} + } + update + set nextupdate [expr {[clock clicks -milliseconds] + 100}] + if {$numcommits < 100} { + set ncmupdate [expr {$numcommits + 1}] + } elseif {$numcommits < 10000} { + set ncmupdate [expr {$numcommits + 10}] + } else { + set ncmupdate [expr {$numcommits + 100}] + } + if {$reading} { + fileevent $commfd readable [list getcommitlines $commfd] + } +} + proc readcommit {id} { - global commitinfo + if [catch {set contents [exec git-cat-file commit $id]}] return + parsecommit $id $contents 0 +} + +proc parsecommit {id contents listed} { + global commitinfo children nchildren parents nparents cdate ncleft + global grafts + set inhdr 1 set comment {} set headline {} @@ -71,13 +165,54 @@ proc readcommit {id} { set audate {} set comname {} set comdate {} - foreach line [split [exec git-cat-file commit $id] "\n"] { + if {![info exists nchildren($id)]} { + set children($id) {} + set nchildren($id) 0 + set ncleft($id) 0 + } + set parents($id) {} + set nparents($id) 0 + set grafted 0 + if {[info exists grafts($id)]} { + set grafted 1 + set parents($id) $grafts($id) + set nparents($id) [llength $grafts($id)] + if {$listed} { + foreach p $grafts($id) { + if {![info exists nchildren($p)]} { + set children($p) [list $id] + set nchildren($p) 1 + set ncleft($p) 1 + } elseif {[lsearch -exact $children($p) $id] < 0} { + lappend children($p) $id + incr nchildren($p) + incr ncleft($p) + } + } + } + } + foreach line [split $contents "\n"] { if {$inhdr} { if {$line == {}} { set inhdr 0 } else { set tag [lindex $line 0] - if {$tag == "author"} { + if {$tag == "parent" && !$grafted} { + set p [lindex $line 1] + if {![info exists nchildren($p)]} { + set children($p) {} + set nchildren($p) 0 + set ncleft($p) 0 + } + lappend parents($id) $p + incr nparents($id) + # sometimes we get a commit that lists a parent twice... + if {$listed && [lsearch -exact $children($p) $id] < 0} { + lappend children($p) $id + incr nchildren($p) + incr ncleft($p) + } + } elseif {$tag == "author"} { set x [expr {[llength $line] - 2}] set audate [lindex $line $x] set auname [lrange $line 1 [expr {$x - 1}]] @@ -89,10 +224,15 @@ proc readcommit {id} { } } else { if {$comment == {}} { - set headline $line + set headline [string trim $line] } else { append comment "\n" } + if {!$listed} { + # git-rev-list indents the comment by 4 spaces; + # if we got this via git-cat-file, add the indentation + append comment " " + } append comment $line } } @@ -100,319 +240,3013 @@ proc readcommit {id} { set audate [clock format $audate -format "%Y-%m-%d %H:%M:%S"] } if {$comdate != {}} { + set cdate($id) $comdate set comdate [clock format $comdate -format "%Y-%m-%d %H:%M:%S"] } - set commitinfo($id) [list $comment $auname $audate $comname $comdate] - return [list $headline $auname $audate] + set commitinfo($id) [list $headline $auname $audate \ + $comname $comdate $comment] +} + +proc readrefs {} { + global tagids idtags headids idheads + set tags [glob -nocomplain -types f [gitdir]/refs/tags/*] + foreach f $tags { + catch { + set fd [open $f r] + set line [read $fd] + if {[regexp {^[0-9a-f]{40}} $line id]} { + set direct [file tail $f] + set tagids($direct) $id + lappend idtags($id) $direct + set contents [split [exec git-cat-file tag $id] "\n"] + set obj {} + set type {} + set tag {} + foreach l $contents { + if {$l == {}} break + switch -- [lindex $l 0] { + "object" {set obj [lindex $l 1]} + "type" {set type [lindex $l 1]} + "tag" {set tag [string range $l 4 end]} + } + } + if {$obj != {} && $type == "commit" && $tag != {}} { + set tagids($tag) $obj + lappend idtags($obj) $tag + } + } + close $fd + } + } + set heads [glob -nocomplain -types f [gitdir]/refs/heads/*] + foreach f $heads { + catch { + set fd [open $f r] + set line [read $fd 40] + if {[regexp {^[0-9a-f]{40}} $line id]} { + set head [file tail $f] + set headids($head) $line + lappend idheads($line) $head + } + close $fd + } + } +} + +proc readgrafts {} { + global grafts env + catch { + set graftfile info/grafts + if {[info exists env(GIT_GRAFT_FILE)]} { + set graftfile $env(GIT_GRAFT_FILE) + } + set fd [open [gitdir]/$graftfile r] + while {[gets $fd line] >= 0} { + if {[string match "#*" $line]} continue + set ok 1 + foreach x $line { + if {![regexp {^[0-9a-f]{40}$} $x]} { + set ok 0 + break + } + } + if {$ok} { + set id [lindex $line 0] + set grafts($id) [lrange $line 1 end] + } + } + close $fd + } +} + +proc error_popup msg { + set w .error + toplevel $w + wm transient $w . + message $w.m -text $msg -justify center -aspect 400 + pack $w.m -side top -fill x -padx 20 -pady 20 + button $w.ok -text OK -command "destroy $w" + pack $w.ok -side bottom -fill x + bind $w "grab $w; focus $w" + tkwait window $w } proc makewindow {} { - global canv linespc charspc ctext - frame .clist - set canv .clist.canv - canvas $canv -height [expr 30 * $linespc + 4] -width [expr 90 * $charspc] \ - -bg white -relief sunk -bd 1 \ - -yscrollincr $linespc -yscrollcommand ".clist.csb set" - scrollbar .clist.csb -command "$canv yview" -highlightthickness 0 - pack .clist.csb -side right -fill y - pack $canv -side bottom -fill both -expand 1 - pack .clist -side top -fill both -expand 1 - set ctext .ctext - text $ctext -bg white - pack $ctext -side top -fill x -expand 1 - - bind $canv <1> {selcanvline %x %y} - bind $canv {selcanvline %x %y} - bind $canv "$canv yview scroll -5 u" - bind $canv "$canv yview scroll 5 u" - bind $canv <2> "$canv scan mark 0 %y" - bind $canv "$canv scan dragto 0 %y" - bind . "$canv yview scroll -1 p" - bind . "$canv yview scroll 1 p" - bind . "$canv yview scroll -1 p" - bind . "$canv yview scroll -1 p" - bind . "$canv yview scroll 1 p" - bind . "$canv yview scroll -1 u" - bind . "$canv yview scroll 1 u" - bind . Q "set stopped 1; destroy ." -} - -proc truncatetofit {str width font} { - if {[font measure $font $str] <= $width} { - return $str - } - set best 0 - set bad [string length $str] - set tmp $str - while {$best < $bad - 1} { - set try [expr {int(($best + $bad) / 2)}] - set tmp "[string range $str 0 [expr $try-1]]..." - if {[font measure $font $tmp] <= $width} { - set best $try + global canv canv2 canv3 linespc charspc ctext cflist textfont + global findtype findtypemenu findloc findstring fstring geometry + global entries sha1entry sha1string sha1but + global maincursor textcursor curtextcursor + global rowctxmenu gaudydiff mergemax + + menu .bar + .bar add cascade -label "File" -menu .bar.file + menu .bar.file + .bar.file add command -label "Quit" -command doquit + menu .bar.help + .bar add cascade -label "Help" -menu .bar.help + .bar.help add command -label "About gitk" -command about + . configure -menu .bar + + if {![info exists geometry(canv1)]} { + set geometry(canv1) [expr 45 * $charspc] + set geometry(canv2) [expr 30 * $charspc] + set geometry(canv3) [expr 15 * $charspc] + set geometry(canvh) [expr 25 * $linespc + 4] + set geometry(ctextw) 80 + set geometry(ctexth) 30 + set geometry(cflistw) 30 + } + panedwindow .ctop -orient vertical + if {[info exists geometry(width)]} { + .ctop conf -width $geometry(width) -height $geometry(height) + set texth [expr {$geometry(height) - $geometry(canvh) - 56}] + set geometry(ctexth) [expr {($texth - 8) / + [font metrics $textfont -linespace]}] + } + frame .ctop.top + frame .ctop.top.bar + pack .ctop.top.bar -side bottom -fill x + set cscroll .ctop.top.csb + scrollbar $cscroll -command {allcanvs yview} -highlightthickness 0 + pack $cscroll -side right -fill y + panedwindow .ctop.top.clist -orient horizontal -sashpad 0 -handlesize 4 + pack .ctop.top.clist -side top -fill both -expand 1 + .ctop add .ctop.top + set canv .ctop.top.clist.canv + canvas $canv -height $geometry(canvh) -width $geometry(canv1) \ + -bg white -bd 0 \ + -yscrollincr $linespc -yscrollcommand "$cscroll set" + .ctop.top.clist add $canv + set canv2 .ctop.top.clist.canv2 + canvas $canv2 -height $geometry(canvh) -width $geometry(canv2) \ + -bg white -bd 0 -yscrollincr $linespc + .ctop.top.clist add $canv2 + set canv3 .ctop.top.clist.canv3 + canvas $canv3 -height $geometry(canvh) -width $geometry(canv3) \ + -bg white -bd 0 -yscrollincr $linespc + .ctop.top.clist add $canv3 + bind .ctop.top.clist {resizeclistpanes %W %w} + + set sha1entry .ctop.top.bar.sha1 + set entries $sha1entry + set sha1but .ctop.top.bar.sha1label + button $sha1but -text "SHA1 ID: " -state disabled -relief flat \ + -command gotocommit -width 8 + $sha1but conf -disabledforeground [$sha1but cget -foreground] + pack .ctop.top.bar.sha1label -side left + entry $sha1entry -width 40 -font $textfont -textvariable sha1string + trace add variable sha1string write sha1change + pack $sha1entry -side left -pady 2 + + image create bitmap bm-left -data { + #define left_width 16 + #define left_height 16 + static unsigned char left_bits[] = { + 0x00, 0x00, 0xc0, 0x01, 0xe0, 0x00, 0x70, 0x00, 0x38, 0x00, 0x1c, 0x00, + 0x0e, 0x00, 0xff, 0x7f, 0xff, 0x7f, 0xff, 0x7f, 0x0e, 0x00, 0x1c, 0x00, + 0x38, 0x00, 0x70, 0x00, 0xe0, 0x00, 0xc0, 0x01}; + } + image create bitmap bm-right -data { + #define right_width 16 + #define right_height 16 + static unsigned char right_bits[] = { + 0x00, 0x00, 0xc0, 0x01, 0x80, 0x03, 0x00, 0x07, 0x00, 0x0e, 0x00, 0x1c, + 0x00, 0x38, 0xff, 0x7f, 0xff, 0x7f, 0xff, 0x7f, 0x00, 0x38, 0x00, 0x1c, + 0x00, 0x0e, 0x00, 0x07, 0x80, 0x03, 0xc0, 0x01}; + } + button .ctop.top.bar.leftbut -image bm-left -command goback \ + -state disabled -width 26 + pack .ctop.top.bar.leftbut -side left -fill y + button .ctop.top.bar.rightbut -image bm-right -command goforw \ + -state disabled -width 26 + pack .ctop.top.bar.rightbut -side left -fill y + + button .ctop.top.bar.findbut -text "Find" -command dofind + pack .ctop.top.bar.findbut -side left + set findstring {} + set fstring .ctop.top.bar.findstring + lappend entries $fstring + entry $fstring -width 30 -font $textfont -textvariable findstring + pack $fstring -side left -expand 1 -fill x + set findtype Exact + set findtypemenu [tk_optionMenu .ctop.top.bar.findtype \ + findtype Exact IgnCase Regexp] + set findloc "All fields" + tk_optionMenu .ctop.top.bar.findloc findloc "All fields" Headline \ + Comments Author Committer Files Pickaxe + pack .ctop.top.bar.findloc -side right + pack .ctop.top.bar.findtype -side right + # for making sure type==Exact whenever loc==Pickaxe + trace add variable findloc write findlocchange + + panedwindow .ctop.cdet -orient horizontal + .ctop add .ctop.cdet + frame .ctop.cdet.left + set ctext .ctop.cdet.left.ctext + text $ctext -bg white -state disabled -font $textfont \ + -width $geometry(ctextw) -height $geometry(ctexth) \ + -yscrollcommand ".ctop.cdet.left.sb set" -wrap none + scrollbar .ctop.cdet.left.sb -command "$ctext yview" + pack .ctop.cdet.left.sb -side right -fill y + pack $ctext -side left -fill both -expand 1 + .ctop.cdet add .ctop.cdet.left + + $ctext tag conf filesep -font [concat $textfont bold] -back "#aaaaaa" + if {$gaudydiff} { + $ctext tag conf hunksep -back blue -fore white + $ctext tag conf d0 -back "#ff8080" + $ctext tag conf d1 -back green + } else { + $ctext tag conf hunksep -fore blue + $ctext tag conf d0 -fore red + $ctext tag conf d1 -fore "#00a000" + $ctext tag conf m0 -fore red + $ctext tag conf m1 -fore blue + $ctext tag conf m2 -fore green + $ctext tag conf m3 -fore purple + $ctext tag conf m4 -fore brown + $ctext tag conf mmax -fore darkgrey + set mergemax 5 + $ctext tag conf mresult -font [concat $textfont bold] + $ctext tag conf msep -font [concat $textfont bold] + $ctext tag conf found -back yellow + } + + frame .ctop.cdet.right + set cflist .ctop.cdet.right.cfiles + listbox $cflist -bg white -selectmode extended -width $geometry(cflistw) \ + -yscrollcommand ".ctop.cdet.right.sb set" + scrollbar .ctop.cdet.right.sb -command "$cflist yview" + pack .ctop.cdet.right.sb -side right -fill y + pack $cflist -side left -fill both -expand 1 + .ctop.cdet add .ctop.cdet.right + bind .ctop.cdet {resizecdetpanes %W %w} + + pack .ctop -side top -fill both -expand 1 + + bindall <1> {selcanvline %W %x %y} + #bindall {selcanvline %W %x %y} + bindall "allcanvs yview scroll -5 units" + bindall "allcanvs yview scroll 5 units" + bindall <2> "allcanvs scan mark 0 %y" + bindall "allcanvs scan dragto 0 %y" + bind . "selnextline -1" + bind . "selnextline 1" + bind . "allcanvs yview scroll -1 pages" + bind . "allcanvs yview scroll 1 pages" + bindkey "$ctext yview scroll -1 pages" + bindkey "$ctext yview scroll -1 pages" + bindkey "$ctext yview scroll 1 pages" + bindkey p "selnextline -1" + bindkey n "selnextline 1" + bindkey b "$ctext yview scroll -1 pages" + bindkey d "$ctext yview scroll 18 units" + bindkey u "$ctext yview scroll -18 units" + bindkey / {findnext 1} + bindkey {findnext 0} + bindkey ? findprev + bindkey f nextfile + bind . doquit + bind . dofind + bind . {findnext 0} + bind . findprev + bind . {incrfont 1} + bind . {incrfont 1} + bind . {incrfont -1} + bind . {incrfont -1} + bind $cflist <> listboxsel + bind . {savestuff %W} + bind . "click %W" + bind $fstring dofind + bind $sha1entry gotocommit + bind $sha1entry <> clearsha1 + + set maincursor [. cget -cursor] + set textcursor [$ctext cget -cursor] + set curtextcursor $textcursor + + set rowctxmenu .rowctxmenu + menu $rowctxmenu -tearoff 0 + $rowctxmenu add command -label "Diff this -> selected" \ + -command {diffvssel 0} + $rowctxmenu add command -label "Diff selected -> this" \ + -command {diffvssel 1} + $rowctxmenu add command -label "Make patch" -command mkpatch + $rowctxmenu add command -label "Create tag" -command mktag + $rowctxmenu add command -label "Write commit to file" -command writecommit +} + +# when we make a key binding for the toplevel, make sure +# it doesn't get triggered when that key is pressed in the +# find string entry widget. +proc bindkey {ev script} { + global entries + bind . $ev $script + set escript [bind Entry $ev] + if {$escript == {}} { + set escript [bind Entry ] + } + foreach e $entries { + bind $e $ev "$escript; break" + } +} + +# set the focus back to the toplevel for any click outside +# the entry widgets +proc click {w} { + global entries + foreach e $entries { + if {$w == $e} return + } + focus . +} + +proc savestuff {w} { + global canv canv2 canv3 ctext cflist mainfont textfont + global stuffsaved findmergefiles gaudydiff maxgraphpct + + if {$stuffsaved} return + if {![winfo viewable .]} return + catch { + set f [open "~/.gitk-new" w] + puts $f [list set mainfont $mainfont] + puts $f [list set textfont $textfont] + puts $f [list set findmergefiles $findmergefiles] + puts $f [list set gaudydiff $gaudydiff] + puts $f [list set maxgraphpct $maxgraphpct] + puts $f "set geometry(width) [winfo width .ctop]" + puts $f "set geometry(height) [winfo height .ctop]" + puts $f "set geometry(canv1) [expr [winfo width $canv]-2]" + puts $f "set geometry(canv2) [expr [winfo width $canv2]-2]" + puts $f "set geometry(canv3) [expr [winfo width $canv3]-2]" + puts $f "set geometry(canvh) [expr [winfo height $canv]-2]" + set wid [expr {([winfo width $ctext] - 8) \ + / [font measure $textfont "0"]}] + puts $f "set geometry(ctextw) $wid" + set wid [expr {([winfo width $cflist] - 11) \ + / [font measure [$cflist cget -font] "0"]}] + puts $f "set geometry(cflistw) $wid" + close $f + file rename -force "~/.gitk-new" "~/.gitk" + } + set stuffsaved 1 +} + +proc resizeclistpanes {win w} { + global oldwidth + if [info exists oldwidth($win)] { + set s0 [$win sash coord 0] + set s1 [$win sash coord 1] + if {$w < 60} { + set sash0 [expr {int($w/2 - 2)}] + set sash1 [expr {int($w*5/6 - 2)}] } else { - set bad $try + set factor [expr {1.0 * $w / $oldwidth($win)}] + set sash0 [expr {int($factor * [lindex $s0 0])}] + set sash1 [expr {int($factor * [lindex $s1 0])}] + if {$sash0 < 30} { + set sash0 30 + } + if {$sash1 < $sash0 + 20} { + set sash1 [expr $sash0 + 20] + } + if {$sash1 > $w - 10} { + set sash1 [expr $w - 10] + if {$sash0 > $sash1 - 20} { + set sash0 [expr $sash1 - 20] + } + } } + $win sash place 0 $sash0 [lindex $s0 1] + $win sash place 1 $sash1 [lindex $s1 1] } - return $tmp + set oldwidth($win) $w } -proc drawgraph {start} { - global parents children nparents nchildren commits - global canv mainfont namefont canvx0 canvy0 linespc namex datex - global datemode cdate - global lineid linehtag linentag linedtag +proc resizecdetpanes {win w} { + global oldwidth + if [info exists oldwidth($win)] { + set s0 [$win sash coord 0] + if {$w < 60} { + set sash0 [expr {int($w*3/4 - 2)}] + } else { + set factor [expr {1.0 * $w / $oldwidth($win)}] + set sash0 [expr {int($factor * [lindex $s0 0])}] + if {$sash0 < 45} { + set sash0 45 + } + if {$sash0 > $w - 15} { + set sash0 [expr $w - 15] + } + } + $win sash place 0 $sash0 [lindex $s0 1] + } + set oldwidth($win) $w +} + +proc allcanvs args { + global canv canv2 canv3 + eval $canv $args + eval $canv2 $args + eval $canv3 $args +} + +proc bindall {event action} { + global canv canv2 canv3 + bind $canv $event $action + bind $canv2 $event $action + bind $canv3 $event $action +} + +proc about {} { + set w .about + if {[winfo exists $w]} { + raise $w + return + } + toplevel $w + wm title $w "About gitk" + message $w.m -text { +Gitk version 1.2 + +Copyright © 2005 Paul Mackerras + +Use and redistribute under the terms of the GNU General Public License} \ + -justify center -aspect 400 + pack $w.m -side top -fill x -padx 20 -pady 20 + button $w.ok -text Close -command "destroy $w" + pack $w.ok -side bottom +} - set colors {green red blue magenta darkgrey brown orange} +proc assigncolor {id} { + global commitinfo colormap commcolors colors nextcolor + global parents nparents children nchildren + global cornercrossings crossings + + if [info exists colormap($id)] return set ncolors [llength $colors] - set nextcolor 0 - set colormap($start) [lindex $colors 0] - foreach id $commits { - set ncleft($id) $nchildren($id) + if {$nparents($id) <= 1 && $nchildren($id) == 1} { + set child [lindex $children($id) 0] + if {[info exists colormap($child)] + && $nparents($child) == 1} { + set colormap($id) $colormap($child) + return + } + } + set badcolors {} + if {[info exists cornercrossings($id)]} { + foreach x $cornercrossings($id) { + if {[info exists colormap($x)] + && [lsearch -exact $badcolors $colormap($x)] < 0} { + lappend badcolors $colormap($x) + } + } + if {[llength $badcolors] >= $ncolors} { + set badcolors {} + } + } + set origbad $badcolors + if {[llength $badcolors] < $ncolors - 1} { + if {[info exists crossings($id)]} { + foreach x $crossings($id) { + if {[info exists colormap($x)] + && [lsearch -exact $badcolors $colormap($x)] < 0} { + lappend badcolors $colormap($x) + } + } + if {[llength $badcolors] >= $ncolors} { + set badcolors $origbad + } + } + set origbad $badcolors + } + if {[llength $badcolors] < $ncolors - 1} { + foreach child $children($id) { + if {[info exists colormap($child)] + && [lsearch -exact $badcolors $colormap($child)] < 0} { + lappend badcolors $colormap($child) + } + if {[info exists parents($child)]} { + foreach p $parents($child) { + if {[info exists colormap($p)] + && [lsearch -exact $badcolors $colormap($p)] < 0} { + lappend badcolors $colormap($p) + } + } + } + } + if {[llength $badcolors] >= $ncolors} { + set badcolors $origbad + } } - set todo [list $start] - set level 0 + for {set i 0} {$i <= $ncolors} {incr i} { + set c [lindex $colors $nextcolor] + if {[incr nextcolor] >= $ncolors} { + set nextcolor 0 + } + if {[lsearch -exact $badcolors $c]} break + } + set colormap($id) $c +} + +proc initgraph {} { + global canvy canvy0 lineno numcommits lthickness nextcolor linespc + global mainline sidelines + global nchildren ncleft + + allcanvs delete all + set nextcolor 0 set canvy $canvy0 - set linestarty(0) $canvy - set nullentry -1 set lineno -1 - while 1 { - incr lineno - set nlines [llength $todo] - set id [lindex $todo $level] - set lineid($lineno) $id + set numcommits 0 + set lthickness [expr {int($linespc / 9) + 1}] + catch {unset mainline} + catch {unset sidelines} + foreach id [array names nchildren] { + set ncleft($id) $nchildren($id) + } +} + +proc bindline {t id} { + global canv + + $canv bind $t "lineenter %x %y $id" + $canv bind $t "linemotion %x %y $id" + $canv bind $t "lineleave $id" + $canv bind $t "lineclick %x %y $id 1" +} + +proc drawcommitline {level} { + global parents children nparents nchildren todo + global canv canv2 canv3 mainfont namefont canvy linespc + global lineid linehtag linentag linedtag commitinfo + global colormap numcommits currentparents dupparents + global oldlevel oldnlines oldtodo + global idtags idline idheads + global lineno lthickness mainline sidelines + global commitlisted rowtextx idpos + + incr numcommits + incr lineno + set id [lindex $todo $level] + set lineid($lineno) $id + set idline($id) $lineno + set ofill [expr {[info exists commitlisted($id)]? "blue": "white"}] + if {![info exists commitinfo($id)]} { + readcommit $id + if {![info exists commitinfo($id)]} { + set commitinfo($id) {"No commit information available"} + set nparents($id) 0 + } + } + assigncolor $id + set currentparents {} + set dupparents {} + if {[info exists commitlisted($id)] && [info exists parents($id)]} { foreach p $parents($id) { - incr ncleft($p) -1 - } - set cinfo [readcommit $id] - set x [expr $canvx0 + $level * $linespc] - set y2 [expr $canvy + $linespc] - if {$linestarty($level) < $canvy} { - set t [$canv create line $x $linestarty($level) $x $canvy \ - -width 2 -fill $colormap($id)] - $canv lower $t - set linestarty($level) $canvy - } - set t [$canv create oval [expr $x - 4] [expr $canvy - 4] \ - [expr $x + 3] [expr $canvy + 3] \ - -fill blue -outline black -width 1] - $canv raise $t - set xt [expr $canvx0 + $nlines * $linespc] - set headline [lindex $cinfo 0] - set name [lindex $cinfo 1] - set date [lindex $cinfo 2] - set headline [truncatetofit $headline [expr $namex-$xt-$linespc] \ - $mainfont] - set linehtag($lineno) [$canv create text $xt $canvy -anchor w \ - -text $headline -font $mainfont ] - set name [truncatetofit $name [expr $datex-$namex-$linespc] $namefont] - set linentag($lineno) [$canv create text $namex $canvy -anchor w \ - -text $name -font $namefont] - set linedtag($lineno) [$canv create text $datex $canvy -anchor w \ - -text $date -font $mainfont] - if {!$datemode && $nparents($id) == 1} { - set p [lindex $parents($id) 0] - if {$ncleft($p) == 0 && [lsearch -exact $todo $p] < 0} { - set todo [lreplace $todo $level $level $p] - set colormap($p) $colormap($id) - set canvy $y2 - $canv conf -scrollregion [list 0 0 0 $canvy] - update - continue + if {[lsearch -exact $currentparents $p] < 0} { + lappend currentparents $p + } else { + # remember that this parent was listed twice + lappend dupparents $p } } + } + set x [xcoord $level $level $lineno] + set y1 $canvy + set canvy [expr $canvy + $linespc] + allcanvs conf -scrollregion \ + [list 0 0 0 [expr $y1 + 0.5 * $linespc + 2]] + if {[info exists mainline($id)]} { + lappend mainline($id) $x $y1 + set t [$canv create line $mainline($id) \ + -width $lthickness -fill $colormap($id)] + $canv lower $t + bindline $t $id + } + if {[info exists sidelines($id)]} { + foreach ls $sidelines($id) { + set coords [lindex $ls 0] + set thick [lindex $ls 1] + set t [$canv create line $coords -fill $colormap($id) \ + -width [expr {$thick * $lthickness}]] + $canv lower $t + bindline $t $id + } + } + set orad [expr {$linespc / 3}] + set t [$canv create oval [expr $x - $orad] [expr $y1 - $orad] \ + [expr $x + $orad - 1] [expr $y1 + $orad - 1] \ + -fill $ofill -outline black -width 1] + $canv raise $t + $canv bind $t <1> {selcanvline {} %x %y} + set xt [xcoord [llength $todo] $level $lineno] + if {[llength $currentparents] > 2} { + set xt [expr {$xt + ([llength $currentparents] - 2) * $linespc}] + } + set rowtextx($lineno) $xt + set idpos($id) [list $x $xt $y1] + if {[info exists idtags($id)] || [info exists idheads($id)]} { + set xt [drawtags $id $x $xt $y1] + } + set headline [lindex $commitinfo($id) 0] + set name [lindex $commitinfo($id) 1] + set date [lindex $commitinfo($id) 2] + set linehtag($lineno) [$canv create text $xt $y1 -anchor w \ + -text $headline -font $mainfont ] + $canv bind $linehtag($lineno) "rowmenu %X %Y $id" + set linentag($lineno) [$canv2 create text 3 $y1 -anchor w \ + -text $name -font $namefont] + set linedtag($lineno) [$canv3 create text 3 $y1 -anchor w \ + -text $date -font $mainfont] +} + +proc drawtags {id x xt y1} { + global idtags idheads + global linespc lthickness + global canv mainfont + + set marks {} + set ntags 0 + if {[info exists idtags($id)]} { + set marks $idtags($id) + set ntags [llength $marks] + } + if {[info exists idheads($id)]} { + set marks [concat $marks $idheads($id)] + } + if {$marks eq {}} { + return $xt + } + + set delta [expr {int(0.5 * ($linespc - $lthickness))}] + set yt [expr $y1 - 0.5 * $linespc] + set yb [expr $yt + $linespc - 1] + set xvals {} + set wvals {} + foreach tag $marks { + set wid [font measure $mainfont $tag] + lappend xvals $xt + lappend wvals $wid + set xt [expr {$xt + $delta + $wid + $lthickness + $linespc}] + } + set t [$canv create line $x $y1 [lindex $xvals end] $y1 \ + -width $lthickness -fill black -tags tag.$id] + $canv lower $t + foreach tag $marks x $xvals wid $wvals { + set xl [expr $x + $delta] + set xr [expr $x + $delta + $wid + $lthickness] + if {[incr ntags -1] >= 0} { + # draw a tag + $canv create polygon $x [expr $yt + $delta] $xl $yt\ + $xr $yt $xr $yb $xl $yb $x [expr $yb - $delta] \ + -width 1 -outline black -fill yellow -tags tag.$id + } else { + # draw a head + set xl [expr $xl - $delta/2] + $canv create polygon $x $yt $xr $yt $xr $yb $x $yb \ + -width 1 -outline black -fill green -tags tag.$id + } + $canv create text $xl $y1 -anchor w -text $tag \ + -font $mainfont -tags tag.$id + } + return $xt +} - set oldtodo $todo - set oldlevel $level - set lines {} - for {set i 0} {$i < $nlines} {incr i} { - if {[lindex $todo $i] == {}} continue - set oldstarty($i) $linestarty($i) - if {$i != $level} { - lappend lines [list $i [lindex $todo $i]] - } +proc updatetodo {level noshortcut} { + global currentparents ncleft todo + global mainline oldlevel oldtodo oldnlines + global canvy linespc mainline + global commitinfo lineno xspc1 + + set oldlevel $level + set oldtodo $todo + set oldnlines [llength $todo] + if {!$noshortcut && [llength $currentparents] == 1} { + set p [lindex $currentparents 0] + if {$ncleft($p) == 1 && [lsearch -exact $todo $p] < 0} { + set ncleft($p) 0 + set x [xcoord $level $level $lineno] + set y [expr $canvy - $linespc] + set mainline($p) [list $x $y] + set todo [lreplace $todo $level $level $p] + set xspc1([expr {$lineno + 1}]) $xspc1($lineno) + return 0 } - unset linestarty - if {$nullentry >= 0} { - set todo [lreplace $todo $nullentry $nullentry] - if {$nullentry < $level} { - incr level -1 - } + } + + set todo [lreplace $todo $level $level] + set i $level + foreach p $currentparents { + incr ncleft($p) -1 + set k [lsearch -exact $todo $p] + if {$k < 0} { + set todo [linsert $todo $i $p] + incr i } + } + return 1 +} - set badcolors [list $colormap($id)] - foreach p $parents($id) { - if {[info exists colormap($p)]} { - lappend badcolors $colormap($p) +proc notecrossings {id lo hi corner} { + global oldtodo crossings cornercrossings + + for {set i $lo} {[incr i] < $hi} {} { + set p [lindex $oldtodo $i] + if {$p == {}} continue + if {$i == $corner} { + if {![info exists cornercrossings($id)] + || [lsearch -exact $cornercrossings($id) $p] < 0} { + lappend cornercrossings($id) $p + } + if {![info exists cornercrossings($p)] + || [lsearch -exact $cornercrossings($p) $id] < 0} { + lappend cornercrossings($p) $id + } + } else { + if {![info exists crossings($id)] + || [lsearch -exact $crossings($id) $p] < 0} { + lappend crossings($id) $p + } + if {![info exists crossings($p)] + || [lsearch -exact $crossings($p) $id] < 0} { + lappend crossings($p) $id } } - set todo [lreplace $todo $level $level] - if {$nullentry > $level} { - incr nullentry -1 + } +} + +proc xcoord {i level ln} { + global canvx0 xspc1 xspc2 + + set x [expr {$canvx0 + $i * $xspc1($ln)}] + if {$i > 0 && $i == $level} { + set x [expr {$x + 0.5 * ($xspc2 - $xspc1($ln))}] + } elseif {$i > $level} { + set x [expr {$x + $xspc2 - $xspc1($ln)}] + } + return $x +} + +proc drawslants {level} { + global canv mainline sidelines canvx0 canvy xspc1 xspc2 lthickness + global oldlevel oldtodo todo currentparents dupparents + global lthickness linespc canvy colormap lineno geometry + global maxgraphpct + + # decide on the line spacing for the next line + set lj [expr {$lineno + 1}] + set maxw [expr {$maxgraphpct * $geometry(canv1) / 100}] + set n [llength $todo] + if {$n <= 1 || $canvx0 + $n * $xspc2 <= $maxw} { + set xspc1($lj) $xspc2 + } else { + set xspc1($lj) [expr {($maxw - $canvx0 - $xspc2) / ($n - 1)}] + if {$xspc1($lj) < $lthickness} { + set xspc1($lj) $lthickness } - set i $level - foreach p $parents($id) { - set k [lsearch -exact $todo $p] - if {$k < 0} { - set todo [linsert $todo $i $p] - if {$nullentry >= $i} { - incr nullentry - } - if {$nparents($id) == 1 && $nparents($p) == 1 - && $nchildren($p) == 1} { - set colormap($p) $colormap($id) + } + + set y1 [expr $canvy - $linespc] + set y2 $canvy + set i -1 + foreach id $oldtodo { + incr i + if {$id == {}} continue + set xi [xcoord $i $oldlevel $lineno] + if {$i == $oldlevel} { + foreach p $currentparents { + set j [lsearch -exact $todo $p] + set coords [list $xi $y1] + set xj [xcoord $j $level $lj] + if {$xj < $xi - $linespc} { + lappend coords [expr {$xj + $linespc}] $y1 + notecrossings $p $j $i [expr {$j + 1}] + } elseif {$xj > $xi + $linespc} { + lappend coords [expr {$xj - $linespc}] $y1 + notecrossings $p $i $j [expr {$j - 1}] + } + if {[lsearch -exact $dupparents $p] >= 0} { + # draw a double-width line to indicate the doubled parent + lappend coords $xj $y2 + lappend sidelines($p) [list $coords 2] + if {![info exists mainline($p)]} { + set mainline($p) [list $xj $y2] + } } else { - for {set j 0} {$j <= $ncolors} {incr j} { - if {[incr nextcolor] >= $ncolors} { - set nextcolor 0 + # normal case, no parent duplicated + set yb $y2 + set dx [expr {abs($xi - $xj)}] + if {0 && $dx < $linespc} { + set yb [expr {$y1 + $dx}] + } + if {![info exists mainline($p)]} { + if {$xi != $xj} { + lappend coords $xj $yb } - set c [lindex $colors $nextcolor] - # make sure the incoming and outgoing colors differ - if {[lsearch -exact $badcolors $c] < 0} break + set mainline($p) $coords + } else { + lappend coords $xj $yb + if {$yb < $y2} { + lappend coords $xj $y2 + } + lappend sidelines($p) [list $coords 1] } - set colormap($p) $c - lappend badcolors $c } } - lappend lines [list $oldlevel $p] + } else { + set j $i + if {[lindex $todo $i] != $id} { + set j [lsearch -exact $todo $id] + } + if {$j != $i || $xspc1($lineno) != $xspc1($lj) + || ($oldlevel <= $i && $i <= $level) + || ($level <= $i && $i <= $oldlevel)} { + set xj [xcoord $j $level $lj] + set dx [expr {abs($xi - $xj)}] + set yb $y2 + if {0 && $dx < $linespc} { + set yb [expr {$y1 + $dx}] + } + lappend mainline($id) $xi $y1 $xj $yb + } } + } +} + +proc decidenext {{noread 0}} { + global parents children nchildren ncleft todo + global canv canv2 canv3 mainfont namefont canvy linespc + global datemode cdate + global commitinfo + global currentparents oldlevel oldnlines oldtodo + global lineno lthickness + + # remove the null entry if present + set nullentry [lsearch -exact $todo {}] + if {$nullentry >= 0} { + set todo [lreplace $todo $nullentry $nullentry] + } - # choose which one to do next time around - set todol [llength $todo] - set level -1 - set latest {} - for {set k $todol} {[incr k -1] >= 0} {} { - set p [lindex $todo $k] - if {$p == {}} continue - if {$ncleft($p) == 0} { - if {$datemode} { - if {$latest == {} || $cdate($p) > $latest} { - set level $k - set latest $cdate($p) + # choose which one to do next time around + set todol [llength $todo] + set level -1 + set latest {} + for {set k $todol} {[incr k -1] >= 0} {} { + set p [lindex $todo $k] + if {$ncleft($p) == 0} { + if {$datemode} { + if {![info exists commitinfo($p)]} { + if {$noread} { + return {} } - } else { + readcommit $p + } + if {$latest == {} || $cdate($p) > $latest} { set level $k - break + set latest $cdate($p) } + } else { + set level $k + break } } - if {$level < 0} { - if {$todo != {}} { - puts "ERROR: none of the pending commits can be done yet:" - foreach p $todo { - puts " $p" - } + } + if {$level < 0} { + if {$todo != {}} { + puts "ERROR: none of the pending commits can be done yet:" + foreach p $todo { + puts " $p ($ncleft($p))" } - break } + return -1 + } - # If we are reducing, put in a null entry - if {$todol < $nlines} { - if {$nullentry >= 0} { - set i $nullentry - while {$i < $todol - && [lindex $oldtodo $i] == [lindex $todo $i]} { - incr i - } - } else { - set i $oldlevel - if {$level >= $i} { - incr i - } - } - if {$i >= $todol} { - set nullentry -1 - } else { - set nullentry $i - set todo [linsert $todo $nullentry {}] - if {$level >= $i} { - incr level - } + # If we are reducing, put in a null entry + if {$todol < $oldnlines} { + if {$nullentry >= 0} { + set i $nullentry + while {$i < $todol + && [lindex $oldtodo $i] == [lindex $todo $i]} { + incr i } } else { - set nullentry -1 + set i $oldlevel + if {$level >= $i} { + incr i + } } - - foreach l $lines { - set i [lindex $l 0] - set dst [lindex $l 1] - set j [lsearch -exact $todo $dst] - if {$i == $j} { - set linestarty($i) $oldstarty($i) - continue + if {$i < $todol} { + set todo [linsert $todo $i {}] + if {$level >= $i} { + incr level } - set xi [expr {$canvx0 + $i * $linespc}] - set xj [expr {$canvx0 + $j * $linespc}] - set coords {} - if {$oldstarty($i) < $canvy} { - lappend coords $xi $oldstarty($i) + } + } + return $level +} + +proc drawcommit {id} { + global phase todo nchildren datemode nextupdate + global startcommits numcommits ncmupdate + + if {$phase != "incrdraw"} { + set phase incrdraw + set todo $id + set startcommits $id + initgraph + drawcommitline 0 + updatetodo 0 $datemode + } else { + if {$nchildren($id) == 0} { + lappend todo $id + lappend startcommits $id + } + set level [decidenext 1] + if {$level == {} || $id != [lindex $todo $level]} { + return + } + while 1 { + drawslants $level + drawcommitline $level + if {[updatetodo $level $datemode]} { + set level [decidenext 1] + if {$level == {}} break } - lappend coords $xi $canvy - if {$j < $i - 1} { - lappend coords [expr $xj + $linespc] $canvy - } elseif {$j > $i + 1} { - lappend coords [expr $xj - $linespc] $canvy + set id [lindex $todo $level] + if {![info exists commitlisted($id)]} { + break } - lappend coords $xj $y2 - set t [$canv create line $coords -width 2 -fill $colormap($dst)] - $canv lower $t - if {![info exists linestarty($j)]} { - set linestarty($j) $y2 + if {[clock clicks -milliseconds] >= $nextupdate + && $numcommits >= $ncmupdate} { + doupdate 1 + if {$stopped} break } } - set canvy $y2 - $canv conf -scrollregion [list 0 0 0 $canvy] - update } } -proc selcanvline {x y} { - global canv canvy0 ctext linespc selectedline - global lineid linehtag linentag linedtag commitinfo - set ymax [lindex [$canv cget -scrollregion] 3] +proc finishcommits {} { + global phase + global startcommits + global canv mainfont ctext maincursor textcursor + + if {$phase != "incrdraw"} { + $canv delete all + $canv create text 3 3 -anchor nw -text "No commits selected" \ + -font $mainfont -tags textitems + set phase {} + } else { + set level [decidenext] + drawslants $level + drawrest $level [llength $startcommits] + } + . config -cursor $maincursor + settextcursor $textcursor +} + +# Don't change the text pane cursor if it is currently the hand cursor, +# showing that we are over a sha1 ID link. +proc settextcursor {c} { + global ctext curtextcursor + + if {[$ctext cget -cursor] == $curtextcursor} { + $ctext config -cursor $c + } + set curtextcursor $c +} + +proc drawgraph {} { + global nextupdate startmsecs startcommits todo ncmupdate + + if {$startcommits == {}} return + set startmsecs [clock clicks -milliseconds] + set nextupdate [expr $startmsecs + 100] + set ncmupdate 1 + initgraph + set todo [lindex $startcommits 0] + drawrest 0 1 +} + +proc drawrest {level startix} { + global phase stopped redisplaying selectedline + global datemode currentparents todo + global numcommits ncmupdate + global nextupdate startmsecs startcommits idline + + if {$level >= 0} { + set phase drawgraph + set startid [lindex $startcommits $startix] + set startline -1 + if {$startid != {}} { + set startline $idline($startid) + } + while 1 { + if {$stopped} break + drawcommitline $level + set hard [updatetodo $level $datemode] + if {$numcommits == $startline} { + lappend todo $startid + set hard 1 + incr startix + set startid [lindex $startcommits $startix] + set startline -1 + if {$startid != {}} { + set startline $idline($startid) + } + } + if {$hard} { + set level [decidenext] + if {$level < 0} break + drawslants $level + } + if {[clock clicks -milliseconds] >= $nextupdate + && $numcommits >= $ncmupdate} { + doupdate 0 + } + } + } + set phase {} + set drawmsecs [expr [clock clicks -milliseconds] - $startmsecs] + #puts "overall $drawmsecs ms for $numcommits commits" + if {$redisplaying} { + if {$stopped == 0 && [info exists selectedline]} { + selectline $selectedline 0 + } + if {$stopped == 1} { + set stopped 0 + after idle drawgraph + } else { + set redisplaying 0 + } + } +} + +proc findmatches {f} { + global findtype foundstring foundstrlen + if {$findtype == "Regexp"} { + set matches [regexp -indices -all -inline $foundstring $f] + } else { + if {$findtype == "IgnCase"} { + set str [string tolower $f] + } else { + set str $f + } + set matches {} + set i 0 + while {[set j [string first $foundstring $str $i]] >= 0} { + lappend matches [list $j [expr $j+$foundstrlen-1]] + set i [expr $j + $foundstrlen] + } + } + return $matches +} + +proc dofind {} { + global findtype findloc findstring markedmatches commitinfo + global numcommits lineid linehtag linentag linedtag + global mainfont namefont canv canv2 canv3 selectedline + global matchinglines foundstring foundstrlen + + stopfindproc + unmarkmatches + focus . + set matchinglines {} + if {$findloc == "Pickaxe"} { + findpatches + return + } + if {$findtype == "IgnCase"} { + set foundstring [string tolower $findstring] + } else { + set foundstring $findstring + } + set foundstrlen [string length $findstring] + if {$foundstrlen == 0} return + if {$findloc == "Files"} { + findfiles + return + } + if {![info exists selectedline]} { + set oldsel -1 + } else { + set oldsel $selectedline + } + set didsel 0 + set fldtypes {Headline Author Date Committer CDate Comment} + for {set l 0} {$l < $numcommits} {incr l} { + set id $lineid($l) + set info $commitinfo($id) + set doesmatch 0 + foreach f $info ty $fldtypes { + if {$findloc != "All fields" && $findloc != $ty} { + continue + } + set matches [findmatches $f] + if {$matches == {}} continue + set doesmatch 1 + if {$ty == "Headline"} { + markmatches $canv $l $f $linehtag($l) $matches $mainfont + } elseif {$ty == "Author"} { + markmatches $canv2 $l $f $linentag($l) $matches $namefont + } elseif {$ty == "Date"} { + markmatches $canv3 $l $f $linedtag($l) $matches $mainfont + } + } + if {$doesmatch} { + lappend matchinglines $l + if {!$didsel && $l > $oldsel} { + findselectline $l + set didsel 1 + } + } + } + if {$matchinglines == {}} { + bell + } elseif {!$didsel} { + findselectline [lindex $matchinglines 0] + } +} + +proc findselectline {l} { + global findloc commentend ctext + selectline $l 1 + if {$findloc == "All fields" || $findloc == "Comments"} { + # highlight the matches in the comments + set f [$ctext get 1.0 $commentend] + set matches [findmatches $f] + foreach match $matches { + set start [lindex $match 0] + set end [expr [lindex $match 1] + 1] + $ctext tag add found "1.0 + $start c" "1.0 + $end c" + } + } +} + +proc findnext {restart} { + global matchinglines selectedline + if {![info exists matchinglines]} { + if {$restart} { + dofind + } + return + } + if {![info exists selectedline]} return + foreach l $matchinglines { + if {$l > $selectedline} { + findselectline $l + return + } + } + bell +} + +proc findprev {} { + global matchinglines selectedline + if {![info exists matchinglines]} { + dofind + return + } + if {![info exists selectedline]} return + set prev {} + foreach l $matchinglines { + if {$l >= $selectedline} break + set prev $l + } + if {$prev != {}} { + findselectline $prev + } else { + bell + } +} + +proc findlocchange {name ix op} { + global findloc findtype findtypemenu + if {$findloc == "Pickaxe"} { + set findtype Exact + set state disabled + } else { + set state normal + } + $findtypemenu entryconf 1 -state $state + $findtypemenu entryconf 2 -state $state +} + +proc stopfindproc {{done 0}} { + global findprocpid findprocfile findids + global ctext findoldcursor phase maincursor textcursor + global findinprogress + + catch {unset findids} + if {[info exists findprocpid]} { + if {!$done} { + catch {exec kill $findprocpid} + } + catch {close $findprocfile} + unset findprocpid + } + if {[info exists findinprogress]} { + unset findinprogress + if {$phase != "incrdraw"} { + . config -cursor $maincursor + settextcursor $textcursor + } + } +} + +proc findpatches {} { + global findstring selectedline numcommits + global findprocpid findprocfile + global finddidsel ctext lineid findinprogress + global findinsertpos + + if {$numcommits == 0} return + + # make a list of all the ids to search, starting at the one + # after the selected line (if any) + if {[info exists selectedline]} { + set l $selectedline + } else { + set l -1 + } + set inputids {} + for {set i 0} {$i < $numcommits} {incr i} { + if {[incr l] >= $numcommits} { + set l 0 + } + append inputids $lineid($l) "\n" + } + + if {[catch { + set f [open [list | git-diff-tree --stdin -s -r -S$findstring \ + << $inputids] r] + } err]} { + error_popup "Error starting search process: $err" + return + } + + set findinsertpos end + set findprocfile $f + set findprocpid [pid $f] + fconfigure $f -blocking 0 + fileevent $f readable readfindproc + set finddidsel 0 + . config -cursor watch + settextcursor watch + set findinprogress 1 +} + +proc readfindproc {} { + global findprocfile finddidsel + global idline matchinglines findinsertpos + + set n [gets $findprocfile line] + if {$n < 0} { + if {[eof $findprocfile]} { + stopfindproc 1 + if {!$finddidsel} { + bell + } + } + return + } + if {![regexp {^[0-9a-f]{40}} $line id]} { + error_popup "Can't parse git-diff-tree output: $line" + stopfindproc + return + } + if {![info exists idline($id)]} { + puts stderr "spurious id: $id" + return + } + set l $idline($id) + insertmatch $l $id +} + +proc insertmatch {l id} { + global matchinglines findinsertpos finddidsel + + if {$findinsertpos == "end"} { + if {$matchinglines != {} && $l < [lindex $matchinglines 0]} { + set matchinglines [linsert $matchinglines 0 $l] + set findinsertpos 1 + } else { + lappend matchinglines $l + } + } else { + set matchinglines [linsert $matchinglines $findinsertpos $l] + incr findinsertpos + } + markheadline $l $id + if {!$finddidsel} { + findselectline $l + set finddidsel 1 + } +} + +proc findfiles {} { + global selectedline numcommits lineid ctext + global ffileline finddidsel parents nparents + global findinprogress findstartline findinsertpos + global treediffs fdiffids fdiffsneeded fdiffpos + global findmergefiles + + if {$numcommits == 0} return + + if {[info exists selectedline]} { + set l [expr {$selectedline + 1}] + } else { + set l 0 + } + set ffileline $l + set findstartline $l + set diffsneeded {} + set fdiffsneeded {} + while 1 { + set id $lineid($l) + if {$findmergefiles || $nparents($id) == 1} { + foreach p $parents($id) { + if {![info exists treediffs([list $id $p])]} { + append diffsneeded "$id $p\n" + lappend fdiffsneeded [list $id $p] + } + } + } + if {[incr l] >= $numcommits} { + set l 0 + } + if {$l == $findstartline} break + } + + # start off a git-diff-tree process if needed + if {$diffsneeded ne {}} { + if {[catch { + set df [open [list | git-diff-tree -r --stdin << $diffsneeded] r] + } err ]} { + error_popup "Error starting search process: $err" + return + } + catch {unset fdiffids} + set fdiffpos 0 + fconfigure $df -blocking 0 + fileevent $df readable [list readfilediffs $df] + } + + set finddidsel 0 + set findinsertpos end + set id $lineid($l) + set p [lindex $parents($id) 0] + . config -cursor watch + settextcursor watch + set findinprogress 1 + findcont [list $id $p] + update +} + +proc readfilediffs {df} { + global findids fdiffids fdiffs + + set n [gets $df line] + if {$n < 0} { + if {[eof $df]} { + donefilediff + if {[catch {close $df} err]} { + stopfindproc + bell + error_popup "Error in git-diff-tree: $err" + } elseif {[info exists findids]} { + set ids $findids + stopfindproc + bell + error_popup "Couldn't find diffs for {$ids}" + } + } + return + } + if {[regexp {^([0-9a-f]{40}) \(from ([0-9a-f]{40})\)} $line match id p]} { + # start of a new string of diffs + donefilediff + set fdiffids [list $id $p] + set fdiffs {} + } elseif {[string match ":*" $line]} { + lappend fdiffs [lindex $line 5] + } +} + +proc donefilediff {} { + global fdiffids fdiffs treediffs findids + global fdiffsneeded fdiffpos + + if {[info exists fdiffids]} { + while {[lindex $fdiffsneeded $fdiffpos] ne $fdiffids + && $fdiffpos < [llength $fdiffsneeded]} { + # git-diff-tree doesn't output anything for a commit + # which doesn't change anything + set nullids [lindex $fdiffsneeded $fdiffpos] + set treediffs($nullids) {} + if {[info exists findids] && $nullids eq $findids} { + unset findids + findcont $nullids + } + incr fdiffpos + } + incr fdiffpos + + if {![info exists treediffs($fdiffids)]} { + set treediffs($fdiffids) $fdiffs + } + if {[info exists findids] && $fdiffids eq $findids} { + unset findids + findcont $fdiffids + } + } +} + +proc findcont {ids} { + global findids treediffs parents nparents + global ffileline findstartline finddidsel + global lineid numcommits matchinglines findinprogress + global findmergefiles + + set id [lindex $ids 0] + set p [lindex $ids 1] + set pi [lsearch -exact $parents($id) $p] + set l $ffileline + while 1 { + if {$findmergefiles || $nparents($id) == 1} { + if {![info exists treediffs($ids)]} { + set findids $ids + set ffileline $l + return + } + set doesmatch 0 + foreach f $treediffs($ids) { + set x [findmatches $f] + if {$x != {}} { + set doesmatch 1 + break + } + } + if {$doesmatch} { + insertmatch $l $id + set pi $nparents($id) + } + } else { + set pi $nparents($id) + } + if {[incr pi] >= $nparents($id)} { + set pi 0 + if {[incr l] >= $numcommits} { + set l 0 + } + if {$l == $findstartline} break + set id $lineid($l) + } + set p [lindex $parents($id) $pi] + set ids [list $id $p] + } + stopfindproc + if {!$finddidsel} { + bell + } +} + +# mark a commit as matching by putting a yellow background +# behind the headline +proc markheadline {l id} { + global canv mainfont linehtag commitinfo + + set bbox [$canv bbox $linehtag($l)] + set t [$canv create rect $bbox -outline {} -tags matches -fill yellow] + $canv lower $t +} + +# mark the bits of a headline, author or date that match a find string +proc markmatches {canv l str tag matches font} { + set bbox [$canv bbox $tag] + set x0 [lindex $bbox 0] + set y0 [lindex $bbox 1] + set y1 [lindex $bbox 3] + foreach match $matches { + set start [lindex $match 0] + set end [lindex $match 1] + if {$start > $end} continue + set xoff [font measure $font [string range $str 0 [expr $start-1]]] + set xlen [font measure $font [string range $str 0 [expr $end]]] + set t [$canv create rect [expr $x0+$xoff] $y0 [expr $x0+$xlen+2] $y1 \ + -outline {} -tags matches -fill yellow] + $canv lower $t + } +} + +proc unmarkmatches {} { + global matchinglines findids + allcanvs delete matches + catch {unset matchinglines} + catch {unset findids} +} + +proc selcanvline {w x y} { + global canv canvy0 ctext linespc + global lineid linehtag linentag linedtag rowtextx + set ymax [lindex [$canv cget -scrollregion] 3] + if {$ymax == {}} return set yfrac [lindex [$canv yview] 0] set y [expr {$y + $yfrac * $ymax}] set l [expr {int(($y - $canvy0) / $linespc + 0.5)}] if {$l < 0} { set l 0 } - if {[info exists selectedline] && $selectedline == $l} return + if {$w eq $canv} { + if {![info exists rowtextx($l)] || $x < $rowtextx($l)} return + } + unmarkmatches + selectline $l 1 +} + +proc commit_descriptor {p} { + global commitinfo + set l "..." + if {[info exists commitinfo($p)]} { + set l [lindex $commitinfo($p) 0] + } + return "$p ($l)" +} + +proc selectline {l isnew} { + global canv canv2 canv3 ctext commitinfo selectedline + global lineid linehtag linentag linedtag + global canvy0 linespc parents nparents children nchildren + global cflist currentid sha1entry + global commentend idtags idline + + $canv delete hover if {![info exists lineid($l)] || ![info exists linehtag($l)]} return - $canv select clear - $canv select from $linehtag($l) 0 - $canv select to $linehtag($l) end + $canv delete secsel + set t [eval $canv create rect [$canv bbox $linehtag($l)] -outline {{}} \ + -tags secsel -fill [$canv cget -selectbackground]] + $canv lower $t + $canv2 delete secsel + set t [eval $canv2 create rect [$canv2 bbox $linentag($l)] -outline {{}} \ + -tags secsel -fill [$canv2 cget -selectbackground]] + $canv2 lower $t + $canv3 delete secsel + set t [eval $canv3 create rect [$canv3 bbox $linedtag($l)] -outline {{}} \ + -tags secsel -fill [$canv3 cget -selectbackground]] + $canv3 lower $t + set y [expr {$canvy0 + $l * $linespc}] + set ymax [lindex [$canv cget -scrollregion] 3] + set ytop [expr {$y - $linespc - 1}] + set ybot [expr {$y + $linespc + 1}] + set wnow [$canv yview] + set wtop [expr [lindex $wnow 0] * $ymax] + set wbot [expr [lindex $wnow 1] * $ymax] + set wh [expr {$wbot - $wtop}] + set newtop $wtop + if {$ytop < $wtop} { + if {$ybot < $wtop} { + set newtop [expr {$y - $wh / 2.0}] + } else { + set newtop $ytop + if {$newtop > $wtop - $linespc} { + set newtop [expr {$wtop - $linespc}] + } + } + } elseif {$ybot > $wbot} { + if {$ytop > $wbot} { + set newtop [expr {$y - $wh / 2.0}] + } else { + set newtop [expr {$ybot - $wh}] + if {$newtop < $wtop + $linespc} { + set newtop [expr {$wtop + $linespc}] + } + } + } + if {$newtop != $wtop} { + if {$newtop < 0} { + set newtop 0 + } + allcanvs yview moveto [expr $newtop * 1.0 / $ymax] + } + + if {$isnew} { + addtohistory [list selectline $l 0] + } + + set selectedline $l + set id $lineid($l) + set currentid $id + $sha1entry delete 0 end + $sha1entry insert 0 $id + $sha1entry selection from 0 + $sha1entry selection to end + + $ctext conf -state normal $ctext delete 0.0 end + $ctext mark set fmark.0 0.0 + $ctext mark gravity fmark.0 left set info $commitinfo($id) - $ctext insert end "Author: [lindex $info 1] \t[lindex $info 2]\n" - $ctext insert end "Committer: [lindex $info 3] \t[lindex $info 4]\n" + $ctext insert end "Author: [lindex $info 1] [lindex $info 2]\n" + $ctext insert end "Committer: [lindex $info 3] [lindex $info 4]\n" + if {[info exists idtags($id)]} { + $ctext insert end "Tags:" + foreach tag $idtags($id) { + $ctext insert end " $tag" + } + $ctext insert end "\n" + } + + set commentstart [$ctext index "end - 1c"] + set comment {} + if {[info exists parents($id)]} { + foreach p $parents($id) { + append comment "Parent: [commit_descriptor $p]\n" + } + } + if {[info exists children($id)]} { + foreach c $children($id) { + append comment "Child: [commit_descriptor $c]\n" + } + } + append comment "\n" + append comment [lindex $info 5] + $ctext insert end $comment $ctext insert end "\n" - $ctext insert end [lindex $info 0] + + # make anything that looks like a SHA1 ID be a clickable link + set links [regexp -indices -all -inline {[0-9a-f]{40}} $comment] + set i 0 + foreach l $links { + set s [lindex $l 0] + set e [lindex $l 1] + set linkid [string range $comment $s $e] + if {![info exists idline($linkid)]} continue + incr e + $ctext tag add link "$commentstart + $s c" "$commentstart + $e c" + $ctext tag add link$i "$commentstart + $s c" "$commentstart + $e c" + $ctext tag bind link$i <1> [list selectline $idline($linkid) 1] + incr i + } + $ctext tag conf link -foreground blue -underline 1 + $ctext tag bind link { %W configure -cursor hand2 } + $ctext tag bind link { %W configure -cursor $curtextcursor } + + $ctext tag delete Comments + $ctext tag remove found 1.0 end + $ctext conf -state disabled + set commentend [$ctext index "end - 1c"] + + $cflist delete 0 end + $cflist insert end "Comments" + if {$nparents($id) == 1} { + startdiff [concat $id $parents($id)] + } elseif {$nparents($id) > 1} { + mergediff $id + } } -getcommits $revtreeargs +proc selnextline {dir} { + global selectedline + if {![info exists selectedline]} return + set l [expr $selectedline + $dir] + unmarkmatches + selectline $l 1 +} -set mainfont {Helvetica 9} -set namefont $mainfont -if {$boldnames} { - lappend namefont bold +proc unselectline {} { + global selectedline + + catch {unset selectedline} + allcanvs delete secsel } -set linespc [font metrics $mainfont -linespace] -set charspc [font measure $mainfont "m"] -set canvy0 [expr 3 + 0.5 * $linespc] -set canvx0 [expr 3 + 0.5 * $linespc] -set namex [expr 45 * $charspc] -set datex [expr 75 * $charspc] +proc addtohistory {cmd} { + global history historyindex -makewindow + if {$historyindex > 0 + && [lindex $history [expr {$historyindex - 1}]] == $cmd} { + return + } + + if {$historyindex < [llength $history]} { + set history [lreplace $history $historyindex end $cmd] + } else { + lappend history $cmd + } + incr historyindex + if {$historyindex > 1} { + .ctop.top.bar.leftbut conf -state normal + } else { + .ctop.top.bar.leftbut conf -state disabled + } + .ctop.top.bar.rightbut conf -state disabled +} + +proc goback {} { + global history historyindex + + if {$historyindex > 1} { + incr historyindex -1 + set cmd [lindex $history [expr {$historyindex - 1}]] + eval $cmd + .ctop.top.bar.rightbut conf -state normal + } + if {$historyindex <= 1} { + .ctop.top.bar.leftbut conf -state disabled + } +} + +proc goforw {} { + global history historyindex + + if {$historyindex < [llength $history]} { + set cmd [lindex $history $historyindex] + incr historyindex + eval $cmd + .ctop.top.bar.leftbut conf -state normal + } + if {$historyindex >= [llength $history]} { + .ctop.top.bar.rightbut conf -state disabled + } +} + +proc mergediff {id} { + global parents diffmergeid diffmergegca mergefilelist diffpindex + + set diffmergeid $id + set diffpindex -1 + set diffmergegca [findgca $parents($id)] + if {[info exists mergefilelist($id)]} { + if {$mergefilelist($id) ne {}} { + showmergediff + } + } else { + contmergediff {} + } +} + +proc findgca {ids} { + set gca {} + foreach id $ids { + if {$gca eq {}} { + set gca $id + } else { + if {[catch { + set gca [exec git-merge-base $gca $id] + } err]} { + return {} + } + } + } + return $gca +} + +proc contmergediff {ids} { + global diffmergeid diffpindex parents nparents diffmergegca + global treediffs mergefilelist diffids treepending + + # diff the child against each of the parents, and diff + # each of the parents against the GCA. + while 1 { + if {[lindex $ids 0] == $diffmergeid && $diffmergegca ne {}} { + set ids [list [lindex $ids 1] $diffmergegca] + } else { + if {[incr diffpindex] >= $nparents($diffmergeid)} break + set p [lindex $parents($diffmergeid) $diffpindex] + set ids [list $diffmergeid $p] + } + if {![info exists treediffs($ids)]} { + set diffids $ids + if {![info exists treepending]} { + gettreediffs $ids + } + return + } + } + + # If a file in some parent is different from the child and also + # different from the GCA, then it's interesting. + # If we don't have a GCA, then a file is interesting if it is + # different from the child in all the parents. + if {$diffmergegca ne {}} { + set files {} + foreach p $parents($diffmergeid) { + set gcadiffs $treediffs([list $p $diffmergegca]) + foreach f $treediffs([list $diffmergeid $p]) { + if {[lsearch -exact $files $f] < 0 + && [lsearch -exact $gcadiffs $f] >= 0} { + lappend files $f + } + } + } + set files [lsort $files] + } else { + set p [lindex $parents($diffmergeid) 0] + set files $treediffs([list $diffmergeid $p]) + for {set i 1} {$i < $nparents($diffmergeid) && $files ne {}} {incr i} { + set p [lindex $parents($diffmergeid) $i] + set df $treediffs([list $diffmergeid $p]) + set nf {} + foreach f $files { + if {[lsearch -exact $df $f] >= 0} { + lappend nf $f + } + } + set files $nf + } + } -set start {} -foreach id $commits { - if {$nchildren($id) == 0} { - set start $id - break + set mergefilelist($diffmergeid) $files + if {$files ne {}} { + showmergediff } } -if {$start != {}} { - drawgraph $start + +proc showmergediff {} { + global cflist diffmergeid mergefilelist parents + global diffopts diffinhunk currentfile currenthunk filelines + global diffblocked groupfilelast mergefds groupfilenum grouphunks + + set files $mergefilelist($diffmergeid) + foreach f $files { + $cflist insert end $f + } + set env(GIT_DIFF_OPTS) $diffopts + set flist {} + catch {unset currentfile} + catch {unset currenthunk} + catch {unset filelines} + catch {unset groupfilenum} + catch {unset grouphunks} + set groupfilelast -1 + foreach p $parents($diffmergeid) { + set cmd [list | git-diff-tree -p $p $diffmergeid] + set cmd [concat $cmd $mergefilelist($diffmergeid)] + if {[catch {set f [open $cmd r]} err]} { + error_popup "Error getting diffs: $err" + foreach f $flist { + catch {close $f} + } + return + } + lappend flist $f + set ids [list $diffmergeid $p] + set mergefds($ids) $f + set diffinhunk($ids) 0 + set diffblocked($ids) 0 + fconfigure $f -blocking 0 + fileevent $f readable [list getmergediffline $f $ids $diffmergeid] + } } + +proc getmergediffline {f ids id} { + global diffmergeid diffinhunk diffoldlines diffnewlines + global currentfile currenthunk + global diffoldstart diffnewstart diffoldlno diffnewlno + global diffblocked mergefilelist + global noldlines nnewlines difflcounts filelines + + set n [gets $f line] + if {$n < 0} { + if {![eof $f]} return + } + + if {!([info exists diffmergeid] && $diffmergeid == $id)} { + if {$n < 0} { + close $f + } + return + } + + if {$diffinhunk($ids) != 0} { + set fi $currentfile($ids) + if {$n > 0 && [regexp {^[-+ \\]} $line match]} { + # continuing an existing hunk + set line [string range $line 1 end] + set p [lindex $ids 1] + if {$match eq "-" || $match eq " "} { + set filelines($p,$fi,$diffoldlno($ids)) $line + incr diffoldlno($ids) + } + if {$match eq "+" || $match eq " "} { + set filelines($id,$fi,$diffnewlno($ids)) $line + incr diffnewlno($ids) + } + if {$match eq " "} { + if {$diffinhunk($ids) == 2} { + lappend difflcounts($ids) \ + [list $noldlines($ids) $nnewlines($ids)] + set noldlines($ids) 0 + set diffinhunk($ids) 1 + } + incr noldlines($ids) + } elseif {$match eq "-" || $match eq "+"} { + if {$diffinhunk($ids) == 1} { + lappend difflcounts($ids) [list $noldlines($ids)] + set noldlines($ids) 0 + set nnewlines($ids) 0 + set diffinhunk($ids) 2 + } + if {$match eq "-"} { + incr noldlines($ids) + } else { + incr nnewlines($ids) + } + } + # and if it's \ No newline at end of line, then what? + return + } + # end of a hunk + if {$diffinhunk($ids) == 1 && $noldlines($ids) != 0} { + lappend difflcounts($ids) [list $noldlines($ids)] + } elseif {$diffinhunk($ids) == 2 + && ($noldlines($ids) != 0 || $nnewlines($ids) != 0)} { + lappend difflcounts($ids) [list $noldlines($ids) $nnewlines($ids)] + } + set currenthunk($ids) [list $currentfile($ids) \ + $diffoldstart($ids) $diffnewstart($ids) \ + $diffoldlno($ids) $diffnewlno($ids) \ + $difflcounts($ids)] + set diffinhunk($ids) 0 + # -1 = need to block, 0 = unblocked, 1 = is blocked + set diffblocked($ids) -1 + processhunks + if {$diffblocked($ids) == -1} { + fileevent $f readable {} + set diffblocked($ids) 1 + } + } + + if {$n < 0} { + # eof + if {!$diffblocked($ids)} { + close $f + set currentfile($ids) [llength $mergefilelist($diffmergeid)] + set currenthunk($ids) [list $currentfile($ids) 0 0 0 0 {}] + processhunks + } + } elseif {[regexp {^diff --git a/(.*) b/} $line match fname]} { + # start of a new file + set currentfile($ids) \ + [lsearch -exact $mergefilelist($diffmergeid) $fname] + } elseif {[regexp {^@@ -([0-9]+),([0-9]+) \+([0-9]+),([0-9]+) @@(.*)} \ + $line match f1l f1c f2l f2c rest]} { + if {[info exists currentfile($ids)] && $currentfile($ids) >= 0} { + # start of a new hunk + if {$f1l == 0 && $f1c == 0} { + set f1l 1 + } + if {$f2l == 0 && $f2c == 0} { + set f2l 1 + } + set diffinhunk($ids) 1 + set diffoldstart($ids) $f1l + set diffnewstart($ids) $f2l + set diffoldlno($ids) $f1l + set diffnewlno($ids) $f2l + set difflcounts($ids) {} + set noldlines($ids) 0 + set nnewlines($ids) 0 + } + } +} + +proc processhunks {} { + global diffmergeid parents nparents currenthunk + global mergefilelist diffblocked mergefds + global grouphunks grouplinestart grouplineend groupfilenum + + set nfiles [llength $mergefilelist($diffmergeid)] + while 1 { + set fi $nfiles + set lno 0 + # look for the earliest hunk + foreach p $parents($diffmergeid) { + set ids [list $diffmergeid $p] + if {![info exists currenthunk($ids)]} return + set i [lindex $currenthunk($ids) 0] + set l [lindex $currenthunk($ids) 2] + if {$i < $fi || ($i == $fi && $l < $lno)} { + set fi $i + set lno $l + set pi $p + } + } + + if {$fi < $nfiles} { + set ids [list $diffmergeid $pi] + set hunk $currenthunk($ids) + unset currenthunk($ids) + if {$diffblocked($ids) > 0} { + fileevent $mergefds($ids) readable \ + [list getmergediffline $mergefds($ids) $ids $diffmergeid] + } + set diffblocked($ids) 0 + + if {[info exists groupfilenum] && $groupfilenum == $fi + && $lno <= $grouplineend} { + # add this hunk to the pending group + lappend grouphunks($pi) $hunk + set endln [lindex $hunk 4] + if {$endln > $grouplineend} { + set grouplineend $endln + } + continue + } + } + + # succeeding stuff doesn't belong in this group, so + # process the group now + if {[info exists groupfilenum]} { + processgroup + unset groupfilenum + unset grouphunks + } + + if {$fi >= $nfiles} break + + # start a new group + set groupfilenum $fi + set grouphunks($pi) [list $hunk] + set grouplinestart $lno + set grouplineend [lindex $hunk 4] + } +} + +proc processgroup {} { + global groupfilelast groupfilenum difffilestart + global mergefilelist diffmergeid ctext filelines + global parents diffmergeid diffoffset + global grouphunks grouplinestart grouplineend nparents + global mergemax + + $ctext conf -state normal + set id $diffmergeid + set f $groupfilenum + if {$groupfilelast != $f} { + $ctext insert end "\n" + set here [$ctext index "end - 1c"] + set difffilestart($f) $here + set mark fmark.[expr {$f + 1}] + $ctext mark set $mark $here + $ctext mark gravity $mark left + set header [lindex $mergefilelist($id) $f] + set l [expr {(78 - [string length $header]) / 2}] + set pad [string range "----------------------------------------" 1 $l] + $ctext insert end "$pad $header $pad\n" filesep + set groupfilelast $f + foreach p $parents($id) { + set diffoffset($p) 0 + } + } + + $ctext insert end "@@" msep + set nlines [expr {$grouplineend - $grouplinestart}] + set events {} + set pnum 0 + foreach p $parents($id) { + set startline [expr {$grouplinestart + $diffoffset($p)}] + set ol $startline + set nl $grouplinestart + if {[info exists grouphunks($p)]} { + foreach h $grouphunks($p) { + set l [lindex $h 2] + if {$nl < $l} { + for {} {$nl < $l} {incr nl} { + set filelines($p,$f,$ol) $filelines($id,$f,$nl) + incr ol + } + } + foreach chunk [lindex $h 5] { + if {[llength $chunk] == 2} { + set olc [lindex $chunk 0] + set nlc [lindex $chunk 1] + set nnl [expr {$nl + $nlc}] + lappend events [list $nl $nnl $pnum $olc $nlc] + incr ol $olc + set nl $nnl + } else { + incr ol [lindex $chunk 0] + incr nl [lindex $chunk 0] + } + } + } + } + if {$nl < $grouplineend} { + for {} {$nl < $grouplineend} {incr nl} { + set filelines($p,$f,$ol) $filelines($id,$f,$nl) + incr ol + } + } + set nlines [expr {$ol - $startline}] + $ctext insert end " -$startline,$nlines" msep + incr pnum + } + + set nlines [expr {$grouplineend - $grouplinestart}] + $ctext insert end " +$grouplinestart,$nlines @@\n" msep + + set events [lsort -integer -index 0 $events] + set nevents [llength $events] + set nmerge $nparents($diffmergeid) + set l $grouplinestart + for {set i 0} {$i < $nevents} {set i $j} { + set nl [lindex $events $i 0] + while {$l < $nl} { + $ctext insert end " $filelines($id,$f,$l)\n" + incr l + } + set e [lindex $events $i] + set enl [lindex $e 1] + set j $i + set active {} + while 1 { + set pnum [lindex $e 2] + set olc [lindex $e 3] + set nlc [lindex $e 4] + if {![info exists delta($pnum)]} { + set delta($pnum) [expr {$olc - $nlc}] + lappend active $pnum + } else { + incr delta($pnum) [expr {$olc - $nlc}] + } + if {[incr j] >= $nevents} break + set e [lindex $events $j] + if {[lindex $e 0] >= $enl} break + if {[lindex $e 1] > $enl} { + set enl [lindex $e 1] + } + } + set nlc [expr {$enl - $l}] + set ncol mresult + set bestpn -1 + if {[llength $active] == $nmerge - 1} { + # no diff for one of the parents, i.e. it's identical + for {set pnum 0} {$pnum < $nmerge} {incr pnum} { + if {![info exists delta($pnum)]} { + if {$pnum < $mergemax} { + lappend ncol m$pnum + } else { + lappend ncol mmax + } + break + } + } + } elseif {[llength $active] == $nmerge} { + # all parents are different, see if one is very similar + set bestsim 30 + for {set pnum 0} {$pnum < $nmerge} {incr pnum} { + set sim [similarity $pnum $l $nlc $f \ + [lrange $events $i [expr {$j-1}]]] + if {$sim > $bestsim} { + set bestsim $sim + set bestpn $pnum + } + } + if {$bestpn >= 0} { + lappend ncol m$bestpn + } + } + set pnum -1 + foreach p $parents($id) { + incr pnum + if {![info exists delta($pnum)] || $pnum == $bestpn} continue + set olc [expr {$nlc + $delta($pnum)}] + set ol [expr {$l + $diffoffset($p)}] + incr diffoffset($p) $delta($pnum) + unset delta($pnum) + for {} {$olc > 0} {incr olc -1} { + $ctext insert end "-$filelines($p,$f,$ol)\n" m$pnum + incr ol + } + } + set endl [expr {$l + $nlc}] + if {$bestpn >= 0} { + # show this pretty much as a normal diff + set p [lindex $parents($id) $bestpn] + set ol [expr {$l + $diffoffset($p)}] + incr diffoffset($p) $delta($bestpn) + unset delta($bestpn) + for {set k $i} {$k < $j} {incr k} { + set e [lindex $events $k] + if {[lindex $e 2] != $bestpn} continue + set nl [lindex $e 0] + set ol [expr {$ol + $nl - $l}] + for {} {$l < $nl} {incr l} { + $ctext insert end "+$filelines($id,$f,$l)\n" $ncol + } + set c [lindex $e 3] + for {} {$c > 0} {incr c -1} { + $ctext insert end "-$filelines($p,$f,$ol)\n" m$bestpn + incr ol + } + set nl [lindex $e 1] + for {} {$l < $nl} {incr l} { + $ctext insert end "+$filelines($id,$f,$l)\n" mresult + } + } + } + for {} {$l < $endl} {incr l} { + $ctext insert end "+$filelines($id,$f,$l)\n" $ncol + } + } + while {$l < $grouplineend} { + $ctext insert end " $filelines($id,$f,$l)\n" + incr l + } + $ctext conf -state disabled +} + +proc similarity {pnum l nlc f events} { + global diffmergeid parents diffoffset filelines + + set id $diffmergeid + set p [lindex $parents($id) $pnum] + set ol [expr {$l + $diffoffset($p)}] + set endl [expr {$l + $nlc}] + set same 0 + set diff 0 + foreach e $events { + if {[lindex $e 2] != $pnum} continue + set nl [lindex $e 0] + set ol [expr {$ol + $nl - $l}] + for {} {$l < $nl} {incr l} { + incr same [string length $filelines($id,$f,$l)] + incr same + } + set oc [lindex $e 3] + for {} {$oc > 0} {incr oc -1} { + incr diff [string length $filelines($p,$f,$ol)] + incr diff + incr ol + } + set nl [lindex $e 1] + for {} {$l < $nl} {incr l} { + incr diff [string length $filelines($id,$f,$l)] + incr diff + } + } + for {} {$l < $endl} {incr l} { + incr same [string length $filelines($id,$f,$l)] + incr same + } + if {$same == 0} { + return 0 + } + return [expr {200 * $same / (2 * $same + $diff)}] +} + +proc startdiff {ids} { + global treediffs diffids treepending diffmergeid + + set diffids $ids + catch {unset diffmergeid} + if {![info exists treediffs($ids)]} { + if {![info exists treepending]} { + gettreediffs $ids + } + } else { + addtocflist $ids + } +} + +proc addtocflist {ids} { + global treediffs cflist + foreach f $treediffs($ids) { + $cflist insert end $f + } + getblobdiffs $ids +} + +proc gettreediffs {ids} { + global treediff parents treepending + set treepending $ids + set treediff {} + set id [lindex $ids 0] + set p [lindex $ids 1] + if [catch {set gdtf [open "|git-diff-tree -r $p $id" r]}] return + fconfigure $gdtf -blocking 0 + fileevent $gdtf readable [list gettreediffline $gdtf $ids] +} + +proc gettreediffline {gdtf ids} { + global treediff treediffs treepending diffids diffmergeid + + set n [gets $gdtf line] + if {$n < 0} { + if {![eof $gdtf]} return + close $gdtf + set treediffs($ids) $treediff + unset treepending + if {$ids != $diffids} { + gettreediffs $diffids + } else { + if {[info exists diffmergeid]} { + contmergediff $ids + } else { + addtocflist $ids + } + } + return + } + set file [lindex $line 5] + lappend treediff $file +} + +proc getblobdiffs {ids} { + global diffopts blobdifffd diffids env curdifftag curtagstart + global difffilestart nextupdate diffinhdr treediffs + + set id [lindex $ids 0] + set p [lindex $ids 1] + set env(GIT_DIFF_OPTS) $diffopts + set cmd [list | git-diff-tree -r -p -C $p $id] + if {[catch {set bdf [open $cmd r]} err]} { + puts "error getting diffs: $err" + return + } + set diffinhdr 0 + fconfigure $bdf -blocking 0 + set blobdifffd($ids) $bdf + set curdifftag Comments + set curtagstart 0.0 + catch {unset difffilestart} + fileevent $bdf readable [list getblobdiffline $bdf $diffids] + set nextupdate [expr {[clock clicks -milliseconds] + 100}] +} + +proc getblobdiffline {bdf ids} { + global diffids blobdifffd ctext curdifftag curtagstart + global diffnexthead diffnextnote difffilestart + global nextupdate diffinhdr treediffs + global gaudydiff + + set n [gets $bdf line] + if {$n < 0} { + if {[eof $bdf]} { + close $bdf + if {$ids == $diffids && $bdf == $blobdifffd($ids)} { + $ctext tag add $curdifftag $curtagstart end + } + } + return + } + if {$ids != $diffids || $bdf != $blobdifffd($ids)} { + return + } + $ctext conf -state normal + if {[regexp {^diff --git a/(.*) b/(.*)} $line match fname newname]} { + # start of a new file + $ctext insert end "\n" + $ctext tag add $curdifftag $curtagstart end + set curtagstart [$ctext index "end - 1c"] + set header $newname + set here [$ctext index "end - 1c"] + set i [lsearch -exact $treediffs($diffids) $fname] + if {$i >= 0} { + set difffilestart($i) $here + incr i + $ctext mark set fmark.$i $here + $ctext mark gravity fmark.$i left + } + if {$newname != $fname} { + set i [lsearch -exact $treediffs($diffids) $newname] + if {$i >= 0} { + set difffilestart($i) $here + incr i + $ctext mark set fmark.$i $here + $ctext mark gravity fmark.$i left + } + } + set curdifftag "f:$fname" + $ctext tag delete $curdifftag + set l [expr {(78 - [string length $header]) / 2}] + set pad [string range "----------------------------------------" 1 $l] + $ctext insert end "$pad $header $pad\n" filesep + set diffinhdr 1 + } elseif {[regexp {^(---|\+\+\+)} $line]} { + set diffinhdr 0 + } elseif {[regexp {^@@ -([0-9]+),([0-9]+) \+([0-9]+),([0-9]+) @@(.*)} \ + $line match f1l f1c f2l f2c rest]} { + if {$gaudydiff} { + $ctext insert end "\t" hunksep + $ctext insert end " $f1l " d0 " $f2l " d1 + $ctext insert end " $rest \n" hunksep + } else { + $ctext insert end "$line\n" hunksep + } + set diffinhdr 0 + } else { + set x [string range $line 0 0] + if {$x == "-" || $x == "+"} { + set tag [expr {$x == "+"}] + if {$gaudydiff} { + set line [string range $line 1 end] + } + $ctext insert end "$line\n" d$tag + } elseif {$x == " "} { + if {$gaudydiff} { + set line [string range $line 1 end] + } + $ctext insert end "$line\n" + } elseif {$diffinhdr || $x == "\\"} { + # e.g. "\ No newline at end of file" + $ctext insert end "$line\n" filesep + } else { + # Something else we don't recognize + if {$curdifftag != "Comments"} { + $ctext insert end "\n" + $ctext tag add $curdifftag $curtagstart end + set curtagstart [$ctext index "end - 1c"] + set curdifftag Comments + } + $ctext insert end "$line\n" filesep + } + } + $ctext conf -state disabled + if {[clock clicks -milliseconds] >= $nextupdate} { + incr nextupdate 100 + fileevent $bdf readable {} + update + fileevent $bdf readable "getblobdiffline $bdf {$ids}" + } +} + +proc nextfile {} { + global difffilestart ctext + set here [$ctext index @0,0] + for {set i 0} {[info exists difffilestart($i)]} {incr i} { + if {[$ctext compare $difffilestart($i) > $here]} { + if {![info exists pos] + || [$ctext compare $difffilestart($i) < $pos]} { + set pos $difffilestart($i) + } + } + } + if {[info exists pos]} { + $ctext yview $pos + } +} + +proc listboxsel {} { + global ctext cflist currentid + if {![info exists currentid]} return + set sel [lsort [$cflist curselection]] + if {$sel eq {}} return + set first [lindex $sel 0] + catch {$ctext yview fmark.$first} +} + +proc setcoords {} { + global linespc charspc canvx0 canvy0 mainfont + global xspc1 xspc2 + + set linespc [font metrics $mainfont -linespace] + set charspc [font measure $mainfont "m"] + set canvy0 [expr 3 + 0.5 * $linespc] + set canvx0 [expr 3 + 0.5 * $linespc] + set xspc1(0) $linespc + set xspc2 $linespc +} + +proc redisplay {} { + global stopped redisplaying phase + if {$stopped > 1} return + if {$phase == "getcommits"} return + set redisplaying 1 + if {$phase == "drawgraph" || $phase == "incrdraw"} { + set stopped 1 + } else { + drawgraph + } +} + +proc incrfont {inc} { + global mainfont namefont textfont ctext canv phase + global stopped entries + unmarkmatches + set mainfont [lreplace $mainfont 1 1 [expr {[lindex $mainfont 1] + $inc}]] + set namefont [lreplace $namefont 1 1 [expr {[lindex $namefont 1] + $inc}]] + set textfont [lreplace $textfont 1 1 [expr {[lindex $textfont 1] + $inc}]] + setcoords + $ctext conf -font $textfont + $ctext tag conf filesep -font [concat $textfont bold] + foreach e $entries { + $e conf -font $mainfont + } + if {$phase == "getcommits"} { + $canv itemconf textitems -font $mainfont + } + redisplay +} + +proc clearsha1 {} { + global sha1entry sha1string + if {[string length $sha1string] == 40} { + $sha1entry delete 0 end + } +} + +proc sha1change {n1 n2 op} { + global sha1string currentid sha1but + if {$sha1string == {} + || ([info exists currentid] && $sha1string == $currentid)} { + set state disabled + } else { + set state normal + } + if {[$sha1but cget -state] == $state} return + if {$state == "normal"} { + $sha1but conf -state normal -relief raised -text "Goto: " + } else { + $sha1but conf -state disabled -relief flat -text "SHA1 ID: " + } +} + +proc gotocommit {} { + global sha1string currentid idline tagids + global lineid numcommits + + if {$sha1string == {} + || ([info exists currentid] && $sha1string == $currentid)} return + if {[info exists tagids($sha1string)]} { + set id $tagids($sha1string) + } else { + set id [string tolower $sha1string] + if {[regexp {^[0-9a-f]{4,39}$} $id]} { + set matches {} + for {set l 0} {$l < $numcommits} {incr l} { + if {[string match $id* $lineid($l)]} { + lappend matches $lineid($l) + } + } + if {$matches ne {}} { + if {[llength $matches] > 1} { + error_popup "Short SHA1 id $id is ambiguous" + return + } + set id [lindex $matches 0] + } + } + } + if {[info exists idline($id)]} { + selectline $idline($id) 1 + return + } + if {[regexp {^[0-9a-fA-F]{4,}$} $sha1string]} { + set type "SHA1 id" + } else { + set type "Tag" + } + error_popup "$type $sha1string is not known" +} + +proc lineenter {x y id} { + global hoverx hovery hoverid hovertimer + global commitinfo canv + + if {![info exists commitinfo($id)]} return + set hoverx $x + set hovery $y + set hoverid $id + if {[info exists hovertimer]} { + after cancel $hovertimer + } + set hovertimer [after 500 linehover] + $canv delete hover +} + +proc linemotion {x y id} { + global hoverx hovery hoverid hovertimer + + if {[info exists hoverid] && $id == $hoverid} { + set hoverx $x + set hovery $y + if {[info exists hovertimer]} { + after cancel $hovertimer + } + set hovertimer [after 500 linehover] + } +} + +proc lineleave {id} { + global hoverid hovertimer canv + + if {[info exists hoverid] && $id == $hoverid} { + $canv delete hover + if {[info exists hovertimer]} { + after cancel $hovertimer + unset hovertimer + } + unset hoverid + } +} + +proc linehover {} { + global hoverx hovery hoverid hovertimer + global canv linespc lthickness + global commitinfo mainfont + + set text [lindex $commitinfo($hoverid) 0] + set ymax [lindex [$canv cget -scrollregion] 3] + if {$ymax == {}} return + set yfrac [lindex [$canv yview] 0] + set x [expr {$hoverx + 2 * $linespc}] + set y [expr {$hovery + $yfrac * $ymax - $linespc / 2}] + set x0 [expr {$x - 2 * $lthickness}] + set y0 [expr {$y - 2 * $lthickness}] + set x1 [expr {$x + [font measure $mainfont $text] + 2 * $lthickness}] + set y1 [expr {$y + $linespc + 2 * $lthickness}] + set t [$canv create rectangle $x0 $y0 $x1 $y1 \ + -fill \#ffff80 -outline black -width 1 -tags hover] + $canv raise $t + set t [$canv create text $x $y -anchor nw -text $text -tags hover] + $canv raise $t +} + +proc lineclick {x y id isnew} { + global ctext commitinfo children cflist canv + + unmarkmatches + unselectline + if {$isnew} { + addtohistory [list lineclick $x $x $id 0] + } + $canv delete hover + # fill the details pane with info about this line + $ctext conf -state normal + $ctext delete 0.0 end + $ctext tag conf link -foreground blue -underline 1 + $ctext tag bind link { %W configure -cursor hand2 } + $ctext tag bind link { %W configure -cursor $curtextcursor } + $ctext insert end "Parent:\t" + $ctext insert end $id [list link link0] + $ctext tag bind link0 <1> [list selbyid $id] + set info $commitinfo($id) + $ctext insert end "\n\t[lindex $info 0]\n" + $ctext insert end "\tAuthor:\t[lindex $info 1]\n" + $ctext insert end "\tDate:\t[lindex $info 2]\n" + if {[info exists children($id)]} { + $ctext insert end "\nChildren:" + set i 0 + foreach child $children($id) { + incr i + set info $commitinfo($child) + $ctext insert end "\n\t" + $ctext insert end $child [list link link$i] + $ctext tag bind link$i <1> [list selbyid $child] + $ctext insert end "\n\t[lindex $info 0]" + $ctext insert end "\n\tAuthor:\t[lindex $info 1]" + $ctext insert end "\n\tDate:\t[lindex $info 2]\n" + } + } + $ctext conf -state disabled + + $cflist delete 0 end +} + +proc selbyid {id} { + global idline + if {[info exists idline($id)]} { + selectline $idline($id) 1 + } +} + +proc mstime {} { + global startmstime + if {![info exists startmstime]} { + set startmstime [clock clicks -milliseconds] + } + return [format "%.3f" [expr {([clock click -milliseconds] - $startmstime) / 1000.0}]] +} + +proc rowmenu {x y id} { + global rowctxmenu idline selectedline rowmenuid + + if {![info exists selectedline] || $idline($id) eq $selectedline} { + set state disabled + } else { + set state normal + } + $rowctxmenu entryconfigure 0 -state $state + $rowctxmenu entryconfigure 1 -state $state + $rowctxmenu entryconfigure 2 -state $state + set rowmenuid $id + tk_popup $rowctxmenu $x $y +} + +proc diffvssel {dirn} { + global rowmenuid selectedline lineid + + if {![info exists selectedline]} return + if {$dirn} { + set oldid $lineid($selectedline) + set newid $rowmenuid + } else { + set oldid $rowmenuid + set newid $lineid($selectedline) + } + addtohistory [list doseldiff $oldid $newid] + doseldiff $oldid $newid +} + +proc doseldiff {oldid newid} { + global ctext cflist + global commitinfo + + $ctext conf -state normal + $ctext delete 0.0 end + $ctext mark set fmark.0 0.0 + $ctext mark gravity fmark.0 left + $cflist delete 0 end + $cflist insert end "Top" + $ctext insert end "From " + $ctext tag conf link -foreground blue -underline 1 + $ctext tag bind link { %W configure -cursor hand2 } + $ctext tag bind link { %W configure -cursor $curtextcursor } + $ctext tag bind link0 <1> [list selbyid $oldid] + $ctext insert end $oldid [list link link0] + $ctext insert end "\n " + $ctext insert end [lindex $commitinfo($oldid) 0] + $ctext insert end "\n\nTo " + $ctext tag bind link1 <1> [list selbyid $newid] + $ctext insert end $newid [list link link1] + $ctext insert end "\n " + $ctext insert end [lindex $commitinfo($newid) 0] + $ctext insert end "\n" + $ctext conf -state disabled + $ctext tag delete Comments + $ctext tag remove found 1.0 end + startdiff [list $newid $oldid] +} + +proc mkpatch {} { + global rowmenuid currentid commitinfo patchtop patchnum + + if {![info exists currentid]} return + set oldid $currentid + set oldhead [lindex $commitinfo($oldid) 0] + set newid $rowmenuid + set newhead [lindex $commitinfo($newid) 0] + set top .patch + set patchtop $top + catch {destroy $top} + toplevel $top + label $top.title -text "Generate patch" + grid $top.title - -pady 10 + label $top.from -text "From:" + entry $top.fromsha1 -width 40 -relief flat + $top.fromsha1 insert 0 $oldid + $top.fromsha1 conf -state readonly + grid $top.from $top.fromsha1 -sticky w + entry $top.fromhead -width 60 -relief flat + $top.fromhead insert 0 $oldhead + $top.fromhead conf -state readonly + grid x $top.fromhead -sticky w + label $top.to -text "To:" + entry $top.tosha1 -width 40 -relief flat + $top.tosha1 insert 0 $newid + $top.tosha1 conf -state readonly + grid $top.to $top.tosha1 -sticky w + entry $top.tohead -width 60 -relief flat + $top.tohead insert 0 $newhead + $top.tohead conf -state readonly + grid x $top.tohead -sticky w + button $top.rev -text "Reverse" -command mkpatchrev -padx 5 + grid $top.rev x -pady 10 + label $top.flab -text "Output file:" + entry $top.fname -width 60 + $top.fname insert 0 [file normalize "patch$patchnum.patch"] + incr patchnum + grid $top.flab $top.fname -sticky w + frame $top.buts + button $top.buts.gen -text "Generate" -command mkpatchgo + button $top.buts.can -text "Cancel" -command mkpatchcan + grid $top.buts.gen $top.buts.can + grid columnconfigure $top.buts 0 -weight 1 -uniform a + grid columnconfigure $top.buts 1 -weight 1 -uniform a + grid $top.buts - -pady 10 -sticky ew + focus $top.fname +} + +proc mkpatchrev {} { + global patchtop + + set oldid [$patchtop.fromsha1 get] + set oldhead [$patchtop.fromhead get] + set newid [$patchtop.tosha1 get] + set newhead [$patchtop.tohead get] + foreach e [list fromsha1 fromhead tosha1 tohead] \ + v [list $newid $newhead $oldid $oldhead] { + $patchtop.$e conf -state normal + $patchtop.$e delete 0 end + $patchtop.$e insert 0 $v + $patchtop.$e conf -state readonly + } +} + +proc mkpatchgo {} { + global patchtop + + set oldid [$patchtop.fromsha1 get] + set newid [$patchtop.tosha1 get] + set fname [$patchtop.fname get] + if {[catch {exec git-diff-tree -p $oldid $newid >$fname &} err]} { + error_popup "Error creating patch: $err" + } + catch {destroy $patchtop} + unset patchtop +} + +proc mkpatchcan {} { + global patchtop + + catch {destroy $patchtop} + unset patchtop +} + +proc mktag {} { + global rowmenuid mktagtop commitinfo + + set top .maketag + set mktagtop $top + catch {destroy $top} + toplevel $top + label $top.title -text "Create tag" + grid $top.title - -pady 10 + label $top.id -text "ID:" + entry $top.sha1 -width 40 -relief flat + $top.sha1 insert 0 $rowmenuid + $top.sha1 conf -state readonly + grid $top.id $top.sha1 -sticky w + entry $top.head -width 60 -relief flat + $top.head insert 0 [lindex $commitinfo($rowmenuid) 0] + $top.head conf -state readonly + grid x $top.head -sticky w + label $top.tlab -text "Tag name:" + entry $top.tag -width 60 + grid $top.tlab $top.tag -sticky w + frame $top.buts + button $top.buts.gen -text "Create" -command mktaggo + button $top.buts.can -text "Cancel" -command mktagcan + grid $top.buts.gen $top.buts.can + grid columnconfigure $top.buts 0 -weight 1 -uniform a + grid columnconfigure $top.buts 1 -weight 1 -uniform a + grid $top.buts - -pady 10 -sticky ew + focus $top.tag +} + +proc domktag {} { + global mktagtop env tagids idtags + global idpos idline linehtag canv selectedline + + set id [$mktagtop.sha1 get] + set tag [$mktagtop.tag get] + if {$tag == {}} { + error_popup "No tag name specified" + return + } + if {[info exists tagids($tag)]} { + error_popup "Tag \"$tag\" already exists" + return + } + if {[catch { + set dir [gitdir] + set fname [file join $dir "refs/tags" $tag] + set f [open $fname w] + puts $f $id + close $f + } err]} { + error_popup "Error creating tag: $err" + return + } + + set tagids($tag) $id + lappend idtags($id) $tag + $canv delete tag.$id + set xt [eval drawtags $id $idpos($id)] + $canv coords $linehtag($idline($id)) $xt [lindex $idpos($id) 2] + if {[info exists selectedline] && $selectedline == $idline($id)} { + selectline $selectedline 0 + } +} + +proc mktagcan {} { + global mktagtop + + catch {destroy $mktagtop} + unset mktagtop +} + +proc mktaggo {} { + domktag + mktagcan +} + +proc writecommit {} { + global rowmenuid wrcomtop commitinfo wrcomcmd + + set top .writecommit + set wrcomtop $top + catch {destroy $top} + toplevel $top + label $top.title -text "Write commit to file" + grid $top.title - -pady 10 + label $top.id -text "ID:" + entry $top.sha1 -width 40 -relief flat + $top.sha1 insert 0 $rowmenuid + $top.sha1 conf -state readonly + grid $top.id $top.sha1 -sticky w + entry $top.head -width 60 -relief flat + $top.head insert 0 [lindex $commitinfo($rowmenuid) 0] + $top.head conf -state readonly + grid x $top.head -sticky w + label $top.clab -text "Command:" + entry $top.cmd -width 60 -textvariable wrcomcmd + grid $top.clab $top.cmd -sticky w -pady 10 + label $top.flab -text "Output file:" + entry $top.fname -width 60 + $top.fname insert 0 [file normalize "commit-[string range $rowmenuid 0 6]"] + grid $top.flab $top.fname -sticky w + frame $top.buts + button $top.buts.gen -text "Write" -command wrcomgo + button $top.buts.can -text "Cancel" -command wrcomcan + grid $top.buts.gen $top.buts.can + grid columnconfigure $top.buts 0 -weight 1 -uniform a + grid columnconfigure $top.buts 1 -weight 1 -uniform a + grid $top.buts - -pady 10 -sticky ew + focus $top.fname +} + +proc wrcomgo {} { + global wrcomtop + + set id [$wrcomtop.sha1 get] + set cmd "echo $id | [$wrcomtop.cmd get]" + set fname [$wrcomtop.fname get] + if {[catch {exec sh -c $cmd >$fname &} err]} { + error_popup "Error writing commit: $err" + } + catch {destroy $wrcomtop} + unset wrcomtop +} + +proc wrcomcan {} { + global wrcomtop + + catch {destroy $wrcomtop} + unset wrcomtop +} + +proc doquit {} { + global stopped + set stopped 100 + destroy . +} + +# defaults... +set datemode 0 +set boldnames 0 +set diffopts "-U 5 -p" +set wrcomcmd "git-diff-tree --stdin -p --pretty" + +set mainfont {Helvetica 9} +set textfont {Courier 9} +set findmergefiles 0 +set gaudydiff 0 +set maxgraphpct 50 + +set colors {green red blue magenta darkgrey brown orange} + +catch {source ~/.gitk} + +set namefont $mainfont +if {$boldnames} { + lappend namefont bold +} + +set revtreeargs {} +foreach arg $argv { + switch -regexp -- $arg { + "^$" { } + "^-b" { set boldnames 1 } + "^-d" { set datemode 1 } + default { + lappend revtreeargs $arg + } + } +} + +set history {} +set historyindex 0 + +set stopped 0 +set redisplaying 0 +set stuffsaved 0 +set patchnum 0 +setcoords +makewindow +readrefs +readgrafts +getcommits $revtreeargs