X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=git-format-patch.sh;h=0207ab18a3876249a928e7539d8f594a4f6921f1;hb=1f5881bb5f4da97d0bb23024ae91079137326c7e;hp=09b635e49256ecf3fb2af7e921da76d8a580e676;hpb=b12bbd5986e1fae4120d7a415c1271c0273cad7e;p=git.git

diff --git a/git-format-patch.sh b/git-format-patch.sh
index 09b635e4..0207ab18 100755
--- a/git-format-patch.sh
+++ b/git-format-patch.sh
@@ -6,7 +6,9 @@
 . git-sh-setup || die "Not a git archive."
 
 usage () {
-    echo >&2 "usage: $0"' [-n] [-o dir | --stdout] [--keep-subject] [--mbox] [--check] [--signoff] [-<diff options>...] upstream [ our-head ]
+    echo >&2 "usage: $0"' [-n] [-o dir | --stdout] [--keep-subject] [--mbox]
+    [--check] [--signoff] [-<diff options>...]
+    ( from..to ... | upstream [ our-head ] )
 
 Prepare each commit with its patch since our-head forked from upstream,
 one file per patch, for e-mail submission.  Each output file is
@@ -75,25 +77,70 @@ tt)
 	die '--keep-subject and --numbered are incompatible.' ;;
 esac
 
-rev1= rev2=
-case "$#" in
-2)
-    rev1="$1" rev2="$2" ;;
-1)
-    case "$1" in
-    *..*)
-	rev1=`expr "$1" : '\(.*\)\.\.'`
-	rev2=`expr "$1" : '.*\.\.\(.*\)'`
+tmp=.tmp-series$$
+trap 'rm -f $tmp-*' 0 1 2 3 15
+
+series=$tmp-series
+commsg=$tmp-commsg
+filelist=$tmp-files
+
+# Backward compatible argument parsing hack.
+#
+# Historically, we supported:
+# 1. "rev1"		is equivalent to "rev1..HEAD"
+# 2. "rev1..rev2"
+# 3. "rev1" "rev2	is equivalent to "rev1..rev2"
+#
+# We want to take a sequence of "rev1..rev2" in general.
+
+case "$#,$1" in
+1,?*..?*)
+	# single "rev1..rev2"
 	;;
-    *)
-        rev1="$1"
-	rev2="HEAD"
+1,*)
+	# single rev1
+	set x "$1..HEAD"
+	shift
+	;;
+2,?*..?*)
+	# not traditional "rev1" "rev2"
+	;;
+2,*)
+	set x "$1..$2"
+	shift
 	;;
-    esac ;;
-*)
-    usage ;;
 esac
 
+# Now we have what we want in $@
+for revpair
+do
+	case "$revpair" in
+	?*..?*)
+		rev1=`expr "$revpair" : '\(.*\)\.\.'`
+		rev2=`expr "$revpair" : '.*\.\.\(.*\)'`
+		;;
+	*)
+		usage
+		;;
+	esac
+	git-rev-parse --verify "$rev1^0" >/dev/null 2>&1 ||
+		die "Not a valid rev $rev1 ($revpair)"
+	git-rev-parse --verify "$rev2^0" >/dev/null 2>&1 ||
+		die "Not a valid rev $rev2 ($revpair)"
+	git-cherry -v "$rev1" "$rev2" |
+	while read sign rev comment
+	do
+		case "$sign" in
+		'-')
+			echo >&2 "Merged already: $comment"
+			;;
+		*)
+			echo $rev
+			;;
+		esac
+	done
+done >$series
+
 me=`git-var GIT_AUTHOR_IDENT | sed -e 's/>.*/>/'`
 
 case "$outdir" in
@@ -102,13 +149,6 @@ case "$outdir" in
 esac
 test -d "$outdir" || mkdir -p "$outdir" || exit
 
-tmp=.tmp-series$$
-trap 'rm -f $tmp-*' 0 1 2 3 15
-
-series=$tmp-series
-commsg=$tmp-commsg
-filelist=$tmp-files
-
 titleScript='
 	/./d
 	/^$/n
@@ -130,19 +170,6 @@ whosepatchScript='
 	q
 }'
 
-git-cherry -v "$rev1" "$rev2" |
-while read sign rev comment
-do
-	case "$sign" in
-	'-')
-		echo >&2 "Merged already: $comment"
-		;;
-	*)
-		echo $rev
-		;;
-	esac
-done >$series
-
 process_one () {
 	mailScript='
 	/./d