From 4365350d5362d0aa336e64f47eace7007604ce3b Mon Sep 17 00:00:00 2001
From: Stephen Haberman <stephen@exigencecorp.com>
Date: Thu, 14 Aug 2008 10:51:30 -0500
Subject: [PATCH] Add excused to ensure follows.

---
 server/update-ensure-follows         | 26 +++++++++++++++--------
 tests/t2700-server-ensure-follows.sh | 31 +++++++++++++++++++++++++---
 2 files changed, 45 insertions(+), 12 deletions(-)

diff --git a/server/update-ensure-follows b/server/update-ensure-follows
index eedfa8a..2d5ef08 100644
--- a/server/update-ensure-follows
+++ b/server/update-ensure-follows
@@ -15,7 +15,7 @@ oldrev="$2"
 newrev="$3"
 
 # Look up the config variable and exit if not set
-follows=$(git config hooks.ensure-follows)
+follows=$(git config hooks.update-ensure-follows.branches)
 if [[ $? -ne 0 ]] ; then
 	exit 0
 fi
@@ -35,18 +35,26 @@ case "$refname" in
 		;;
 esac
 
+excused=" $(git config hooks.update-ensure-follows.excused) "
+if [[ $excused =~ " $short_refname " ]] ; then
+	exit 0
+fi
+
 follows=($follows)
 count=${#follows[@]}
 for ((i = 0 ; i < count ; i++)) do
 	follow="${follows[$i]}"
-	missing_commits=$(git log ^$newrev $follow --pretty=oneline | wc -l)
-	if [ $missing_commits -ne 0 ] ; then
-		echo "----------------------------------------------------"
-		echo
-		echo "You need to merge $follow into $short_refname"
-		echo
-		echo "----------------------------------------------------"
-		exit 1
+	git rev-parse "$follow"
+	if [ $? -eq 0 ] ; then
+		missing_commits=$(git log ^$newrev $follow --pretty=oneline | wc -l)
+		if [ $missing_commits -ne 0 ] ; then
+			echo "----------------------------------------------------"
+			echo
+			echo "You need to merge $follow into $short_refname"
+			echo
+			echo "----------------------------------------------------"
+			exit 1
+		fi
 	fi
 done
 
diff --git a/tests/t2700-server-ensure-follows.sh b/tests/t2700-server-ensure-follows.sh
index b456525..a5eb1fa 100644
--- a/tests/t2700-server-ensure-follows.sh
+++ b/tests/t2700-server-ensure-follows.sh
@@ -25,7 +25,7 @@ test_expect_success 'pushing stable works' '
 
 test_expect_success 'branch with unmoved stable is okay' '
 	cd server &&
-	git config hooks.ensure-follows stable &&
+	git config hooks.update-ensure-follows.branches stable &&
 	cd .. &&
 
 	git checkout -b topic1 &&
@@ -53,7 +53,7 @@ test_expect_success 'branch with moved stable requires merge' '
 
 test_expect_success 'branch with moved stable as second branch requires merge' '
 	cd server &&
-	git config hooks.ensure-follows "foo stable" &&
+	git config hooks.update-ensure-follows.branches "foo stable" &&
 	cd .. &&
 
 	git checkout stable &&
@@ -86,7 +86,32 @@ test_expect_success 'branch deletion with moved stable is okay' '
 	git checkout stable &&
 	echo "$test_name" >a &&
 	git commit -a -m "Change on stable" &&
-	git push origin :stable
+
+	git push origin :topic1
+'
+
+test_expect_success 'excused branch with moved stable is okay' '
+	git checkout -b topic2 stable &&
+	echo "$test_name" >a.topic2 &&
+	git add a.topic2 &&
+	git commit -m "Change on topic2" &&
+	git push origin topic2 &&
+
+	git checkout stable &&
+	echo "$test_name" >a &&
+	git commit -a -m "Change on stable" &&
+	git push origin stable &&
+
+	git checkout topic2 &&
+	echo "$test_name foo" >a.topic2 &&
+	git commit -a -m "Change on topic2 again" &&
+	! git push origin topic2 &&
+
+	cd server &&
+	git config hooks.update-ensure-follows.excused topic2 &&
+	cd .. &&
+
+	git push origin topic2
 '
 
 test_done
-- 
2.39.5