X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=contrib%2Fgit-svn%2Fgit-svn.perl;h=03416aeec157e1e364b92fde434ea922ccb16e8e;hb=79bb8d88fc61b03a80fe99915f15a25172286c1f;hp=a04cf1d354f9110e67f928a64262a0ee0cb270d7;hpb=dc5869c00d9aafbddcc11b93b5a0a7fcdeb755ea;p=git.git diff --git a/contrib/git-svn/git-svn.perl b/contrib/git-svn/git-svn.perl index a04cf1d3..03416aee 100755 --- a/contrib/git-svn/git-svn.perl +++ b/contrib/git-svn/git-svn.perl @@ -15,6 +15,7 @@ $GIT_DIR = abs_path($ENV{GIT_DIR} || '.git'); $ENV{GIT_DIR} = $GIT_DIR; my $LC_ALL = $ENV{LC_ALL}; +my $TZ = $ENV{TZ}; # make sure the svn binary gives consistent output between locales and TZs: $ENV{TZ} = 'UTC'; $ENV{LC_ALL} = 'C'; @@ -27,7 +28,7 @@ use Carp qw/croak/; use IO::File qw//; use File::Basename qw/dirname basename/; use File::Path qw/mkpath/; -use Getopt::Long qw/:config gnu_getopt no_ignore_case auto_abbrev/; +use Getopt::Long qw/:config gnu_getopt no_ignore_case auto_abbrev pass_through/; use File::Spec qw//; use POSIX qw/strftime/; my $sha1 = qr/[a-f\d]{40}/; @@ -35,8 +36,10 @@ my $sha1_short = qr/[a-f\d]{4,40}/; my ($_revision,$_stdin,$_no_ignore_ext,$_no_stop_copy,$_help,$_rmdir,$_edit, $_find_copies_harder, $_l, $_cp_similarity, $_repack, $_repack_nr, $_repack_flags, - $_version, $_upgrade, $_authors, $_branch_all_refs); -my (@_branch_from, %tree_map, %users); + $_template, $_shared, $_no_default_regex, $_no_graft_copy, + $_limit, $_verbose, $_incremental, $_oneline, $_l_fmt, $_show_commit, + $_version, $_upgrade, $_authors, $_branch_all_refs, @_opt_m); +my (@_branch_from, %tree_map, %users, %rusers); my ($_svn_co_url_revs, $_svn_pg_peg_revs); my @repo_path_split_cache; @@ -47,6 +50,12 @@ my %fc_opts = ( 'no-ignore-externals' => \$_no_ignore_ext, 'repack:i' => \$_repack, 'repack-flags|repack-args|repack-opts=s' => \$_repack_flags); +my ($_trunk, $_tags, $_branches); +my %multi_opts = ( 'trunk|T=s' => \$_trunk, + 'tags|t=s' => \$_tags, + 'branches|b=s' => \$_branches ); +my %init_opts = ( 'template=s' => \$_template, 'shared' => \$_shared ); + # yes, 'native' sets "\n". Patches to fix this for non-*nix systems welcome: my %EOL = ( CR => "\015", LF => "\012", CRLF => "\015\012", native => "\012" ); @@ -54,7 +63,8 @@ my %cmd = ( fetch => [ \&fetch, "Download new revisions from SVN", { 'revision|r=s' => \$_revision, %fc_opts } ], init => [ \&init, "Initialize a repo for tracking" . - " (requires URL argument)", { } ], + " (requires URL argument)", + \%init_opts ], commit => [ \&commit, "Commit git revisions to SVN", { 'stdin|' => \$_stdin, 'edit|e' => \$_edit, @@ -68,7 +78,28 @@ my %cmd = ( rebuild => [ \&rebuild, "Rebuild git-svn metadata (after git clone)", { 'no-ignore-externals' => \$_no_ignore_ext, 'upgrade' => \$_upgrade } ], + 'graft-branches' => [ \&graft_branches, + 'Detect merges/branches from already imported history', + { 'merge-rx|m' => \@_opt_m, + 'no-default-regex' => \$_no_default_regex, + 'no-graft-copy' => \$_no_graft_copy } ], + 'multi-init' => [ \&multi_init, + 'Initialize multiple trees (like git-svnimport)', + { %multi_opts, %fc_opts } ], + 'multi-fetch' => [ \&multi_fetch, + 'Fetch multiple trees (like git-svnimport)', + \%fc_opts ], + 'log' => [ \&show_log, 'Show commit logs', + { 'limit=i' => \$_limit, + 'revision|r=s' => \$_revision, + 'verbose|v' => \$_verbose, + 'incremental' => \$_incremental, + 'oneline' => \$_oneline, + 'show-commit' => \$_show_commit, + 'authors-file|A=s' => \$_authors, + } ], ); + my $cmd; for (my $i = 0; $i < @ARGV; $i++) { if (defined $cmd{$ARGV[$i]}) { @@ -81,9 +112,10 @@ for (my $i = 0; $i < @ARGV; $i++) { my %opts = %{$cmd{$cmd}->[2]} if (defined $cmd); read_repo_config(\%opts); -GetOptions(%opts, 'help|H|h' => \$_help, - 'version|V' => \$_version, - 'id|i=s' => \$GIT_SVN) or exit 1; +my $rv = GetOptions(%opts, 'help|H|h' => \$_help, + 'version|V' => \$_version, + 'id|i=s' => \$GIT_SVN); +exit 1 if (!$rv && $cmd ne 'log'); set_default_vals(); usage(0) if $_help; @@ -93,7 +125,7 @@ init_vars(); load_authors() if $_authors; load_all_refs() if $_branch_all_refs; svn_compat_check(); -migration_check() unless $cmd eq 'init'; +migration_check() unless $cmd =~ /^(?:init|multi-init)$/; $cmd{$cmd}->[0]->(@ARGV); exit 0; @@ -153,18 +185,10 @@ sub rebuild { croak "Non-SHA1: $c\n" unless $c =~ /^$sha1$/o; my @commit = grep(/^git-svn-id: /,`git-cat-file commit $c`); next if (!@commit); # skip merges - my $id = $commit[$#commit]; - my ($url, $rev, $uuid) = ($id =~ /^git-svn-id:\s(\S+?)\@(\d+) - \s([a-f\d\-]+)$/x); - if (!$rev || !$uuid || !$url) { - # some of the original repositories I made had - # indentifiers like this: - ($rev, $uuid) = ($id =~/^git-svn-id:\s(\d+) - \@([a-f\d\-]+)/x); - if (!$rev || !$uuid) { - croak "Unable to extract revision or UUID from ", - "$c, $id\n"; - } + my ($url, $rev, $uuid) = extract_metadata($commit[$#commit]); + if (!$rev || !$uuid) { + croak "Unable to extract revision or UUID from ", + "$c, $commit[$#commit]\n"; } # if we merged or otherwise started elsewhere, this is @@ -216,8 +240,12 @@ when you have upgraded your tools and habits to use refs/remotes/$GIT_SVN sub init { $SVN_URL = shift or die "SVN repository location required " . "as a command-line argument\n"; + $SVN_URL =~ s!/+$!!; # strip trailing slash unless (-d $GIT_DIR) { - sys('git-init-db'); + my @init_db = ('git-init-db'); + push @init_db, "--template=$_template" if defined $_template; + push @init_db, "--shared" if defined $_shared; + sys(@init_db); } setup_git_svn(); } @@ -352,8 +380,358 @@ sub show_ignore { } } +sub graft_branches { + my $gr_file = "$GIT_DIR/info/grafts"; + my ($grafts, $comments) = read_grafts($gr_file); + my $gr_sha1; + + if (%$grafts) { + # temporarily disable our grafts file to make this idempotent + chomp($gr_sha1 = safe_qx(qw/git-hash-object -w/,$gr_file)); + rename $gr_file, "$gr_file~$gr_sha1" or croak $!; + } + + my $l_map = read_url_paths(); + my @re = map { qr/$_/is } @_opt_m if @_opt_m; + unless ($_no_default_regex) { + push @re, ( qr/\b(?:merge|merging|merged)\s+(\S.+)/is, + qr/\b(?:from|of)\s+(\S.+)/is ); + } + foreach my $u (keys %$l_map) { + if (@re) { + foreach my $p (keys %{$l_map->{$u}}) { + graft_merge_msg($grafts,$l_map,$u,$p); + } + } + graft_file_copy($grafts,$l_map,$u) unless $_no_graft_copy; + } + + write_grafts($grafts, $comments, $gr_file); + unlink "$gr_file~$gr_sha1" if $gr_sha1; +} + +sub multi_init { + my $url = shift; + $_trunk ||= 'trunk'; + $_trunk =~ s#/+$##; + $url =~ s#/+$## if $url; + if ($_trunk !~ m#^[a-z\+]+://#) { + $_trunk = '/' . $_trunk if ($_trunk !~ m#^/#); + unless ($url) { + print STDERR "E: '$_trunk' is not a complete URL ", + "and a separate URL is not specified\n"; + exit 1; + } + $_trunk = $url . $_trunk; + } + if ($GIT_SVN eq 'git-svn') { + print "GIT_SVN_ID set to 'trunk' for $_trunk\n"; + $GIT_SVN = $ENV{GIT_SVN_ID} = 'trunk'; + } + init_vars(); + init($_trunk); + complete_url_ls_init($url, $_branches, '--branches/-b', ''); + complete_url_ls_init($url, $_tags, '--tags/-t', 'tags/'); +} + +sub multi_fetch { + # try to do trunk first, since branches/tags + # may be descended from it. + if (-d "$GIT_DIR/svn/trunk") { + print "Fetching trunk\n"; + defined(my $pid = fork) or croak $!; + if (!$pid) { + $GIT_SVN = $ENV{GIT_SVN_ID} = 'trunk'; + init_vars(); + fetch(@_); + exit 0; + } + waitpid $pid, 0; + croak $? if $?; + } + rec_fetch('', "$GIT_DIR/svn", @_); +} + +sub show_log { + my (@args) = @_; + my ($r_min, $r_max); + my $r_last = -1; # prevent dupes + rload_authors() if $_authors; + if (defined $TZ) { + $ENV{TZ} = $TZ; + } else { + delete $ENV{TZ}; + } + if (defined $_revision) { + if ($_revision =~ /^(\d+):(\d+)$/) { + ($r_min, $r_max) = ($1, $2); + } elsif ($_revision =~ /^\d+$/) { + $r_min = $r_max = $_revision; + } else { + print STDERR "-r$_revision is not supported, use ", + "standard \'git log\' arguments instead\n"; + exit 1; + } + } + + my $pid = open(my $log,'-|'); + defined $pid or croak $!; + if (!$pid) { + my @rl = (qw/git-log --abbrev-commit --pretty=raw + --default/, "remotes/$GIT_SVN"); + push @rl, '--raw' if $_verbose; + exec(@rl, @args) or croak $!; + } + setup_pager(); + my (@k, $c, $d); + while (<$log>) { + if (/^commit ($sha1_short)/o) { + my $cmt = $1; + if ($c && defined $c->{r} && $c->{r} != $r_last) { + $r_last = $c->{r}; + process_commit($c, $r_min, $r_max, \@k) or + goto out; + } + $d = undef; + $c = { c => $cmt }; + } elsif (/^author (.+) (\d+) ([\-\+]?\d+)$/) { + get_author_info($c, $1, $2, $3); + } elsif (/^(?:tree|parent|committer) /) { + # ignore + } elsif (/^:\d{6} \d{6} $sha1_short/o) { + push @{$c->{raw}}, $_; + } elsif (/^diff /) { + $d = 1; + push @{$c->{diff}}, $_; + } elsif ($d) { + push @{$c->{diff}}, $_; + } elsif (/^ (git-svn-id:.+)$/) { + my ($url, $rev, $uuid) = extract_metadata($1); + $c->{r} = $rev; + } elsif (s/^ //) { + push @{$c->{l}}, $_; + } + } + if ($c && defined $c->{r} && $c->{r} != $r_last) { + $r_last = $c->{r}; + process_commit($c, $r_min, $r_max, \@k); + } + if (@k) { + my $swap = $r_max; + $r_max = $r_min; + $r_min = $swap; + process_commit($_, $r_min, $r_max) foreach reverse @k; + } +out: + close $log; + print '-' x72,"\n" unless $_incremental || $_oneline; +} + ########################### utility functions ######################### +sub rec_fetch { + my ($pfx, $p, @args) = @_; + my @dir; + foreach (sort <$p/*>) { + if (-r "$_/info/url") { + $pfx .= '/' if $pfx && $pfx !~ m!/$!; + my $id = $pfx . basename $_; + next if $id eq 'trunk'; + print "Fetching $id\n"; + defined(my $pid = fork) or croak $!; + if (!$pid) { + $GIT_SVN = $ENV{GIT_SVN_ID} = $id; + init_vars(); + fetch(@args); + exit 0; + } + waitpid $pid, 0; + croak $? if $?; + } elsif (-d $_) { + push @dir, $_; + } + } + foreach (@dir) { + my $x = $_; + $x =~ s!^\Q$GIT_DIR\E/svn/!!; + rec_fetch($x, $_); + } +} + +sub complete_url_ls_init { + my ($url, $var, $switch, $pfx) = @_; + unless ($var) { + print STDERR "W: $switch not specified\n"; + return; + } + $var =~ s#/+$##; + if ($var !~ m#^[a-z\+]+://#) { + $var = '/' . $var if ($var !~ m#^/#); + unless ($url) { + print STDERR "E: '$var' is not a complete URL ", + "and a separate URL is not specified\n"; + exit 1; + } + $var = $url . $var; + } + chomp(my @ls = safe_qx(qw/svn ls --non-interactive/, $var)); + my $old = $GIT_SVN; + defined(my $pid = fork) or croak $!; + if (!$pid) { + foreach my $u (map { "$var/$_" } (grep m!/$!, @ls)) { + $u =~ s#/+$##; + if ($u !~ m!\Q$var\E/(.+)$!) { + print STDERR "W: Unrecognized URL: $u\n"; + die "This should never happen\n"; + } + my $id = $pfx.$1; + print "init $u => $id\n"; + $GIT_SVN = $ENV{GIT_SVN_ID} = $id; + init_vars(); + init($u); + } + exit 0; + } + waitpid $pid, 0; + croak $? if $?; +} + +sub common_prefix { + my $paths = shift; + my %common; + foreach (@$paths) { + my @tmp = split m#/#, $_; + my $p = ''; + while (my $x = shift @tmp) { + $p .= "/$x"; + $common{$p} ||= 0; + $common{$p}++; + } + } + foreach (sort {length $b <=> length $a} keys %common) { + if ($common{$_} == @$paths) { + return $_; + } + } + return ''; +} + +# this isn't funky-filename safe, but good enough for now... +sub graft_file_copy { + my ($grafts, $l_map, $u) = @_; + my $paths = $l_map->{$u}; + my $pfx = common_prefix([keys %$paths]); + + my $pid = open my $fh, '-|'; + defined $pid or croak $!; + unless ($pid) { + exec(qw/svn log -v/, $u.$pfx) or croak $!; + } + my ($r, $mp) = (undef, undef); + while (<$fh>) { + chomp; + if (/^\-{72}$/) { + $mp = $r = undef; + } elsif (/^r(\d+) \| /) { + $r = $1 unless defined $r; + } elsif (/^Changed paths:/) { + $mp = 1; + } elsif ($mp && m#^ [AR] /(\S.*?) \(from /(\S+?):(\d+)\)$#) { + my $dbg = "r$r | $_"; + my ($p1, $p0, $r0) = ($1, $2, $3); + my $c; + foreach my $x (keys %$paths) { + next unless ($p1 =~ /^\Q$x\E/); + my $i = $paths->{$x}; + my $f = "$GIT_DIR/svn/$i/revs/$r"; + unless (-r $f) { + print STDERR "r$r of $i not imported,", + " $dbg\n"; + next; + } + $c = file_to_s($f); + } + next unless $c; + foreach my $x (keys %$paths) { + next unless ($p0 =~ /^\Q$x\E/); + my $i = $paths->{$x}; + my $f = "$GIT_DIR/svn/$i/revs/$r0"; + while ($r0 && !-r $f) { + # could be an older revision, too... + $r0--; + $f = "$GIT_DIR/svn/$i/revs/$r0"; + } + unless (-r $f) { + print STDERR "r$r0 of $i not imported,", + " $dbg\n"; + next; + } + my $r1 = file_to_s($f); + $grafts->{$c}->{$r1} = 1; + } + } + } +} + +sub process_merge_msg_matches { + my ($grafts, $l_map, $u, $p, $c, @matches) = @_; + my (@strong, @weak); + foreach (@matches) { + # merging with ourselves is not interesting + next if $_ eq $p; + if ($l_map->{$u}->{$_}) { + push @strong, $_; + } else { + push @weak, $_; + } + } + foreach my $w (@weak) { + last if @strong; + # no exact match, use branch name as regexp. + my $re = qr/\Q$w\E/i; + foreach (keys %{$l_map->{$u}}) { + if (/$re/) { + push @strong, $_; + last; + } + } + last if @strong; + $w = basename($w); + $re = qr/\Q$w\E/i; + foreach (keys %{$l_map->{$u}}) { + if (/$re/) { + push @strong, $_; + last; + } + } + } + my ($rev) = ($c->{m} =~ /^git-svn-id:\s(?:\S+?)\@(\d+) + \s(?:[a-f\d\-]+)$/xsm); + unless (defined $rev) { + ($rev) = ($c->{m} =~/^git-svn-id:\s(\d+) + \@(?:[a-f\d\-]+)/xsm); + return unless defined $rev; + } + foreach my $m (@strong) { + my ($r0, $s0) = find_rev_before($rev, $m); + $grafts->{$c->{c}}->{$s0} = 1 if defined $s0; + } +} + +sub graft_merge_msg { + my ($grafts, $l_map, $u, $p, @re) = @_; + + my $x = $l_map->{$u}->{$p}; + my $rl = rev_list_raw($x); + while (my $c = next_rev_list_entry($rl)) { + foreach my $re (@re) { + my (@br) = ($c->{m} =~ /$re/g); + next unless @br; + process_merge_msg_matches($grafts,$l_map,$u,$p,$c,@br); + } + } +} + sub read_uuid { return if $SVN_UUID; my $info = shift || svn_info('.'); @@ -396,6 +774,7 @@ sub repo_path_split { $url .= "/$n"; } push @repo_path_split_cache, qr/^(\Q$url\E)/; + $path = join('/',@paths); return ($url, $path); } @@ -800,6 +1179,38 @@ sub svn_commit_tree { return fetch("$committed=$commit")->{revision}; } +sub rev_list_raw { + my (@args) = @_; + my $pid = open my $fh, '-|'; + defined $pid or croak $!; + if (!$pid) { + exec(qw/git-rev-list --pretty=raw/, @args) or croak $!; + } + return { fh => $fh, t => { } }; +} + +sub next_rev_list_entry { + my $rl = shift; + my $fh = $rl->{fh}; + my $x = $rl->{t}; + while (<$fh>) { + if (/^commit ($sha1)$/o) { + if ($x->{c}) { + $rl->{t} = { c => $1 }; + return $x; + } else { + $x->{c} = $1; + } + } elsif (/^parent ($sha1)$/o) { + $x->{p}->{$1} = 1; + } elsif (s/^ //) { + $x->{m} ||= ''; + $x->{m} .= $_; + } + } + return ($x != $rl->{t}) ? $x : undef; +} + # read the entire log into a temporary file (which is removed ASAP) # and store the file handle + parser state sub svn_log_raw { @@ -1306,12 +1717,33 @@ sub load_authors { close $authors or croak $!; } +sub rload_authors { + open my $authors, '<', $_authors or die "Can't open $_authors $!\n"; + while (<$authors>) { + chomp; + next unless /^(\S+?)\s*=\s*(.+?)\s*<(.+)>\s*$/; + my ($user, $name, $email) = ($1, $2, $3); + $rusers{"$name <$email>"} = $user; + } + close $authors or croak $!; +} + sub svn_propget_base { my ($p, $f) = @_; $f .= '@BASE' if $_svn_pg_peg_revs; return safe_qx(qw/svn propget/, $p, $f); } +sub git_svn_each { + my $sub = shift; + foreach (`git-rev-parse --symbolic --all`) { + next unless s#^refs/remotes/##; + chomp $_; + next unless -f "$GIT_DIR/svn/$_/info/url"; + &$sub($_); + } +} + sub migration_check { return if (-d "$GIT_DIR/svn" || !-d $GIT_DIR); print "Upgrading repository...\n"; @@ -1338,6 +1770,16 @@ sub migration_check { print "Done upgrading.\n"; } +sub find_rev_before { + my ($r, $git_svn_id) = @_; + my @revs = map { basename $_ } <$GIT_DIR/svn/$git_svn_id/revs/*>; + foreach my $r0 (sort { $b <=> $a } @revs) { + next if $r0 >= $r; + return ($r0, file_to_s("$GIT_DIR/svn/$git_svn_id/revs/$r0")); + } + return (undef, undef); +} + sub init_vars { $GIT_SVN ||= $ENV{GIT_SVN_ID} || 'git-svn'; $GIT_SVN_DIR = "$GIT_DIR/svn/$GIT_SVN"; @@ -1378,6 +1820,215 @@ sub set_default_vals { } } +sub read_grafts { + my $gr_file = shift; + my ($grafts, $comments) = ({}, {}); + if (open my $fh, '<', $gr_file) { + my @tmp; + while (<$fh>) { + if (/^($sha1)\s+/) { + my $c = $1; + if (@tmp) { + @{$comments->{$c}} = @tmp; + @tmp = (); + } + foreach my $p (split /\s+/, $_) { + $grafts->{$c}->{$p} = 1; + } + } else { + push @tmp, $_; + } + } + close $fh or croak $!; + @{$comments->{'END'}} = @tmp if @tmp; + } + return ($grafts, $comments); +} + +sub write_grafts { + my ($grafts, $comments, $gr_file) = @_; + + open my $fh, '>', $gr_file or croak $!; + foreach my $c (sort keys %$grafts) { + if ($comments->{$c}) { + print $fh $_ foreach @{$comments->{$c}}; + } + my $p = $grafts->{$c}; + delete $p->{$c}; # commits are not self-reproducing... + my $pid = open my $ch, '-|'; + defined $pid or croak $!; + if (!$pid) { + exec(qw/git-cat-file commit/, $c) or croak $!; + } + while (<$ch>) { + if (/^parent ([a-f\d]{40})/) { + $p->{$1} = 1; + } else { + last unless /^\S/i; + } + } + close $ch; # breaking the pipe + print $fh $c, ' ', join(' ', sort keys %$p),"\n"; + } + if ($comments->{'END'}) { + print $fh $_ foreach @{$comments->{'END'}}; + } + close $fh or croak $!; +} + +sub read_url_paths { + my $l_map = {}; + git_svn_each(sub { my $x = shift; + my $u = file_to_s("$GIT_DIR/svn/$x/info/repo_url"); + my $p = file_to_s("$GIT_DIR/svn/$x/info/repo_path"); + # we hate trailing slashes + if ($u =~ s#(?:^\/+|\/+$)##g) { + s_to_file($u,"$GIT_DIR/svn/$x/info/repo_url"); + } + if ($p =~ s#(?:^\/+|\/+$)##g) { + s_to_file($p,"$GIT_DIR/svn/$x/info/repo_path"); + } + $l_map->{$u}->{$p} = $x; + }); + return $l_map; +} + +sub extract_metadata { + my $id = shift; + my ($url, $rev, $uuid) = ($id =~ /^git-svn-id:\s(\S+?)\@(\d+) + \s([a-f\d\-]+)$/x); + if (!$rev || !$uuid || !$url) { + # some of the original repositories I made had + # indentifiers like this: + ($rev, $uuid) = ($id =~/^git-svn-id:\s(\d+)\@([a-f\d\-]+)/); + } + return ($url, $rev, $uuid); +} + +sub tz_to_s_offset { + my ($tz) = @_; + $tz =~ s/(\d\d)$//; + return ($1 * 60) + ($tz * 3600); +} + +sub setup_pager { # translated to Perl from pager.c + return unless (-t *STDOUT); + my $pager = $ENV{PAGER}; + if (!defined $pager) { + $pager = 'less'; + } elsif (length $pager == 0 || $pager eq 'cat') { + return; + } + pipe my $rfd, my $wfd or return; + defined(my $pid = fork) or croak $!; + if (!$pid) { + open STDOUT, '>&', $wfd or croak $!; + return; + } + open STDIN, '<&', $rfd or croak $!; + $ENV{LESS} ||= '-S'; + exec $pager or croak "Can't run pager: $!\n";; +} + +sub get_author_info { + my ($dest, $author, $t, $tz) = @_; + $author =~ s/(?:^\s*|\s*$)//g; + my $_a; + if ($_authors) { + $_a = $rusers{$author} || undef; + } + if (!$_a) { + ($_a) = ($author =~ /<([^>]+)\@[^>]+>$/); + } + $dest->{t} = $t; + $dest->{tz} = $tz; + $dest->{a} = $_a; + # Date::Parse isn't in the standard Perl distro :( + if ($tz =~ s/^\+//) { + $t += tz_to_s_offset($tz); + } elsif ($tz =~ s/^\-//) { + $t -= tz_to_s_offset($tz); + } + $dest->{t_utc} = $t; +} + +sub process_commit { + my ($c, $r_min, $r_max, $defer) = @_; + if (defined $r_min && defined $r_max) { + if ($r_min == $c->{r} && $r_min == $r_max) { + show_commit($c); + return 0; + } + return 1 if $r_min == $r_max; + if ($r_min < $r_max) { + # we need to reverse the print order + return 0 if (defined $_limit && --$_limit < 0); + push @$defer, $c; + return 1; + } + if ($r_min != $r_max) { + return 1 if ($r_min < $c->{r}); + return 1 if ($r_max > $c->{r}); + } + } + return 0 if (defined $_limit && --$_limit < 0); + show_commit($c); + return 1; +} + +sub show_commit { + my $c = shift; + if ($_oneline) { + my $x = "\n"; + if (my $l = $c->{l}) { + while ($l->[0] =~ /^\s*$/) { shift @$l } + $x = $l->[0]; + } + $_l_fmt ||= 'A' . length($c->{r}); + print 'r',pack($_l_fmt, $c->{r}),' | '; + print "$c->{c} | " if $_show_commit; + print $x; + } else { + show_commit_normal($c); + } +} + +sub show_commit_normal { + my ($c) = @_; + print '-' x72, "\nr$c->{r} | "; + print "$c->{c} | " if $_show_commit; + print "$c->{a} | ", strftime("%Y-%m-%d %H:%M:%S %z (%a, %d %b %Y)", + localtime($c->{t_utc})), ' | '; + my $nr_line = 0; + + if (my $l = $c->{l}) { + while ($l->[$#$l] eq "\n" && $l->[($#$l - 1)] eq "\n") { + pop @$l; + } + $nr_line = scalar @$l; + if (!$nr_line) { + print "1 line\n\n\n"; + } else { + if ($nr_line == 1) { + $nr_line = '1 line'; + } else { + $nr_line .= ' lines'; + } + print $nr_line, "\n\n"; + print $_ foreach @$l; + } + } else { + print "1 line\n\n"; + + } + foreach my $x (qw/raw diff/) { + if ($c->{$x}) { + print "\n"; + print $_ foreach @{$c->{$x}} + } + } +} + __END__ Data structures: