X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=git-rebase--am.sh;h=ca20e1e66fbda7c27a8a4cfff03ecf02841e1002;hb=98e3d8faf9eebd382f62a75c886b7e1c6a20279b;hp=c815a2412c2f33556ad712d328eaa80241c07bda;hpb=189627cd588c2937de7b655595b8ed777f445c85;p=platform%2Fupstream%2Fgit.git

diff --git a/git-rebase--am.sh b/git-rebase--am.sh
index c815a24..ca20e1e 100644
--- a/git-rebase--am.sh
+++ b/git-rebase--am.sh
@@ -1,30 +1,92 @@
-#!/bin/sh
+# This shell script fragment is sourced by git-rebase to implement
+# its default, fast, patch-based, non-interactive mode.
 #
 # Copyright (c) 2010 Junio C Hamano.
 #
 
-. git-sh-setup
+# The whole contents of this file is run by dot-sourcing it from
+# inside a shell function.  It used to be that "return"s we see
+# below were not inside any function, and expected to return
+# to the function that dot-sourced us.
+#
+# However, FreeBSD /bin/sh misbehaves on such a construct and
+# continues to run the statements that follow such a "return".
+# As a work-around, we introduce an extra layer of a function
+# here, and immediately call it after defining it.
+git_rebase__am () {
 
 case "$action" in
 continue)
-	git am --resolved --resolvemsg="$resolvemsg" &&
+	git am --resolved --resolvemsg="$resolvemsg" \
+		${gpg_sign_opt:+"$gpg_sign_opt"} &&
 	move_to_original_branch
-	exit
+	return
 	;;
 skip)
 	git am --skip --resolvemsg="$resolvemsg" &&
 	move_to_original_branch
-	exit
+	return
 	;;
 esac
 
 test -n "$rebase_root" && root_flag=--root
 
-git format-patch -k --stdout --full-index --ignore-if-in-upstream \
-	--src-prefix=a/ --dst-prefix=b/ \
-	--no-renames $root_flag "$revisions" |
-git am $git_am_opt --rebasing --resolvemsg="$resolvemsg" &&
+ret=0
+if test -n "$keep_empty"
+then
+	# we have to do this the hard way.  git format-patch completely squashes
+	# empty commits and even if it didn't the format doesn't really lend
+	# itself well to recording empty patches.  fortunately, cherry-pick
+	# makes this easy
+	git cherry-pick ${gpg_sign_opt:+"$gpg_sign_opt"} --allow-empty "$revisions"
+	ret=$?
+else
+	rm -f "$GIT_DIR/rebased-patches"
+
+	git format-patch -k --stdout --full-index --ignore-if-in-upstream \
+		--src-prefix=a/ --dst-prefix=b/ --no-renames --no-cover-letter \
+		$root_flag "$revisions" >"$GIT_DIR/rebased-patches"
+	ret=$?
+
+	if test 0 != $ret
+	then
+		rm -f "$GIT_DIR/rebased-patches"
+		case "$head_name" in
+		refs/heads/*)
+			git checkout -q "$head_name"
+			;;
+		*)
+			git checkout -q "$orig_head"
+			;;
+		esac
+
+		cat >&2 <<-EOF
+
+		git encountered an error while preparing the patches to replay
+		these revisions:
+
+		    $revisions
+
+		As a result, git cannot rebase them.
+		EOF
+		return $?
+	fi
+
+	git am $git_am_opt --rebasing --resolvemsg="$resolvemsg" \
+		${gpg_sign_opt:+"$gpg_sign_opt"} <"$GIT_DIR/rebased-patches"
+	ret=$?
+
+	rm -f "$GIT_DIR/rebased-patches"
+fi
+
+if test 0 != $ret
+then
+	test -d "$state_dir" && write_basic_state
+	return $ret
+fi
+
 move_to_original_branch
-ret=$?
-test 0 != $ret -a -d "$state_dir" && write_basic_state
-exit $ret
+
+}
+# ... and then we call the whole thing.
+git_rebase__am