From 3f01ad665493e09aa816d84a872d9874f33a8c16 Mon Sep 17 00:00:00 2001
From: Junio C Hamano <gitster@pobox.com>
Date: Thu, 22 Jan 2009 16:14:58 -0800
Subject: [PATCH] am: Add --committer-date-is-author-date option
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This new option tells 'git-am' to use the timestamp recorded
in the Email message as both author and committer date.

Signed-off-by: しらいしななこ <nanako3@lavabit.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 git-am.sh     | 13 ++++++++++++-
 t/t4150-am.sh | 20 ++++++++++++++++++++
 2 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/git-am.sh b/git-am.sh
index b1c05c9db3..e726f17141 100755
--- a/git-am.sh
+++ b/git-am.sh
@@ -24,6 +24,7 @@ resolvemsg=     override error message when patch failure occurs
 r,resolved      to be used after a patch failure
 skip            skip the current patch
 abort           restore the original branch and abort the patching operation.
+committer-date-is-author-date    lie about committer date
 rebasing        (internal use for git-rebase)"
 
 . git-sh-setup
@@ -134,6 +135,7 @@ dotest="$GIT_DIR/rebase-apply"
 sign= utf8=t keep= skip= interactive= resolved= rebasing= abort=
 resolvemsg= resume=
 git_apply_opt=
+committer_date_is_author_date=
 
 while test $# != 0
 do
@@ -171,6 +173,8 @@ do
 		git_apply_opt="$git_apply_opt $(sq "$1$2")"; shift ;;
 	--reject)
 		git_apply_opt="$git_apply_opt $1" ;;
+	--committer-date-is-author-date)
+		committer_date_is_author_date=t ;;
 	--)
 		shift; break ;;
 	*)
@@ -524,7 +528,14 @@ do
 
 	tree=$(git write-tree) &&
 	parent=$(git rev-parse --verify HEAD) &&
-	commit=$(git commit-tree $tree -p $parent <"$dotest/final-commit") &&
+	commit=$(
+		if test -n "$committer_date_is_author_date"
+		then
+			GIT_COMMITTER_DATE="$GIT_AUTHOR_DATE"
+			export GIT_COMMITTER_DATE
+		fi &&
+		git commit-tree $tree -p $parent <"$dotest/final-commit"
+	) &&
 	git update-ref -m "$GIT_REFLOG_ACTION: $FIRSTLINE" HEAD $commit $parent ||
 	stop_here $this
 
diff --git a/t/t4150-am.sh b/t/t4150-am.sh
index 796f795267..8d3fb00cd9 100755
--- a/t/t4150-am.sh
+++ b/t/t4150-am.sh
@@ -257,4 +257,24 @@ test_expect_success 'am works from file (absolute path given) in subdirectory' '
 	test -z "$(git diff second)"
 '
 
+test_expect_success 'am --committer-date-is-author-date' '
+	git checkout first &&
+	test_tick &&
+	git am --committer-date-is-author-date patch1 &&
+	git cat-file commit HEAD | sed -e "/^$/q" >head1 &&
+	at=$(sed -ne "/^author /s/.*> //p" head1) &&
+	ct=$(sed -ne "/^committer /s/.*> //p" head1) &&
+	test "$at" = "$ct"
+'
+
+test_expect_success 'am without --committer-date-is-author-date' '
+	git checkout first &&
+	test_tick &&
+	git am patch1 &&
+	git cat-file commit HEAD | sed -e "/^$/q" >head1 &&
+	at=$(sed -ne "/^author /s/.*> //p" head1) &&
+	ct=$(sed -ne "/^committer /s/.*> //p" head1) &&
+	test "$at" != "$ct"
+'
+
 test_done
-- 
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