From 5e1fb56a0dc4016b7f814e7122599cdaffe97605 Mon Sep 17 00:00:00 2001
From: Stephen Haberman <stephen@exigencecorp.com>
Date: Tue, 11 Nov 2008 22:21:52 -0600
Subject: [PATCH] Go back to using flat files for locking but keep them in the
 repo-specific GIT_DIR.

---
 server/update-lock-check         | 39 ++++++++++++++++++++++++++++++++
 server/update-lock-check.rb      | 37 ------------------------------
 tests/t2900-update-lock-check.sh | 21 +++++++----------
 3 files changed, 47 insertions(+), 50 deletions(-)
 create mode 100644 server/update-lock-check
 delete mode 100755 server/update-lock-check.rb

diff --git a/server/update-lock-check b/server/update-lock-check
new file mode 100644
index 0000000..098dc16
--- /dev/null
+++ b/server/update-lock-check
@@ -0,0 +1,39 @@
+#!/bin/sh
+
+#
+# Checks $GIT_DIR/locked and $GIT_DIR/preserved for branches that cannot be
+# touched.
+#
+
+. $(dirname $0)/functions
+
+refname=$1
+oldrev=$2
+newrev=$3
+
+# We only care about branches
+case "$refname" in
+	refs/heads/*)
+		short_refname=${refname##refs/heads/}
+		;;
+	*)
+		exit 0
+		;;
+esac
+
+if test -f "$GIT_DIR/locked" ; then
+	grep $short_refname "$GIT_DIR/locked"
+	if [ $? -eq 0 ] ; then
+		display_error_message "Branch $short_refname is locked"
+		exit 1
+	fi
+fi
+
+if test -f "$GIT_DIR/preserved" ; then
+	grep $short_refname "$GIT_DIR/preserved"
+	if [ $? -eq 0 ] ; then
+		display_error_message "Branch $short_refname cannot be deleted"
+		exit 1
+	fi
+fi
+
diff --git a/server/update-lock-check.rb b/server/update-lock-check.rb
deleted file mode 100755
index aa577c2..0000000
--- a/server/update-lock-check.rb
+++ /dev/null
@@ -1,37 +0,0 @@
-#! /usr/bin/ruby
-
-REFNAME = ARGV[0]
-OLDREV = ARGV[1]
-NEWREV = ARGV[2]
-
-DATA_DIR = '/srv/git/hooks/server/'
-
-def reject(message)
-	$stdout.puts "---------------------------------------------------------"
-	$stdout.puts "Commit #{NEWREV} rejected:"
-	$stdout.puts "\t#{message}"
-	$stdout.puts "---------------------------------------------------------"
-	$stdout.flush()
-	Kernel::exit(1)
-end
-
-locked = `git config hooks.update-lock-check.locked`.split(' ').collect { |element| element.strip() }
-preserved = `git config hooks.update-lock-check.preserved`.split(' ').collect { |element| element.strip() }
-
-if(REFNAME =~ /^refs\/heads\/(.+)$/)
-	# Branch commit
-	commit_branch = $1
-	if(locked.include?(commit_branch))
-		reject("Branch #{commit_branch} is locked.")
-	end
-
-	if(NEWREV =~ /^0{40}$/)
-		# Branch deletion
-		if(preserved.include?(commit_branch))
-			reject("Branch #{commit_branch} cannot be deleted.")
-		end
-	end
-end
-
-Kernel::exit(0)
-
diff --git a/tests/t2900-update-lock-check.sh b/tests/t2900-update-lock-check.sh
index d45fa39..2a10ddc 100644
--- a/tests/t2900-update-lock-check.sh
+++ b/tests/t2900-update-lock-check.sh
@@ -11,17 +11,15 @@ test_expect_success 'setup' '
 	git clone ./. server &&
 	rm -fr server/.git/hooks &&
 	git remote add origin ./server &&
-	git config --add branch.master.remote origin &&
-	git config --add branch.master.merge refs/heads/master &&
+	git config branch.master.remote origin &&
+	git config branch.master.merge refs/heads/master &&
 	git fetch
 '
 
-install_update_hook 'update-lock-check.rb'
+install_update_hook 'update-lock-check'
 
 test_expect_success 'locked branch is rejected' '
-	cd server &&
-	git config hooks.update-lock-check.locked master &&
-	cd .. &&
+	echo master >> server/.git/locked &&
 
 	echo "$test_name" >a &&
 	git commit -a -m "changed" &&
@@ -30,9 +28,8 @@ test_expect_success 'locked branch is rejected' '
 '
 
 test_expect_success 'locked branch is rejected with multiple branches set' '
-	cd server &&
-	git config hooks.update-lock-check.locked "foo bar master" &&
-	cd .. &&
+	echo foo >> server/.git/locked &&
+	echo bar >> server/.git/locked &&
 
 	echo "$test_name" >a &&
 	git commit -a -m "changed" &&
@@ -41,10 +38,8 @@ test_expect_success 'locked branch is rejected with multiple branches set' '
 '
 
 test_expect_success 'preserved branch cannot be deleted' '
-	cd server &&
-	git config hooks.update-lock-check.locked "" &&
-	git config hooks.update-lock-check.preserved master &&
-	cd .. &&
+	echo > server/.git/locked &&
+	echo master > server/.git/preserved &&
 
 	! git push origin :master 2>push.err &&
 	cat push.err | grep "Branch master cannot be deleted"
-- 
2.20.1