From fb54ccc29ef84db56630e44636318cb2acdf0192 Mon Sep 17 00:00:00 2001
From: Stephen Haberman <shaberman@payflex.com>
Date: Wed, 23 Jul 2008 08:20:55 -0500
Subject: [PATCH] Add support for locking branches.

---
 cbas/update                 |  1 +
 server/locked_branches      |  0
 server/preserved_branches   |  1 +
 server/update-lock-check.rb | 36 ++++++++++++++++++++++++++++++++++++
 4 files changed, 38 insertions(+)
 create mode 100644 server/locked_branches
 create mode 100644 server/preserved_branches
 create mode 100755 server/update-lock-check.rb

diff --git a/cbas/update b/cbas/update
index a4a4374..02ed157 100755
--- a/cbas/update
+++ b/cbas/update
@@ -4,6 +4,7 @@ refname="$1"
 oldrev="$2"
 newrev="$3"
 
+ruby /srv/git/hooks/server/update-lock-check.rb "$refname" "$oldrev" "$newrev" &&
 sh /srv/git/hooks/server/update-trac "$refname" "$oldrev" "$newrev" &&
 sh /srv/git/hooks/server/update-allow-tags-branches "$refname" "$oldrev" "$newrev" &&
 sh /srv/git/hooks/server/update-prefer-rebase "$refname" "$oldrev" "$newrev" &&
diff --git a/server/locked_branches b/server/locked_branches
new file mode 100644
index 0000000..e69de29
diff --git a/server/preserved_branches b/server/preserved_branches
new file mode 100644
index 0000000..2bf5ad0
--- /dev/null
+++ b/server/preserved_branches
@@ -0,0 +1 @@
+stable
diff --git a/server/update-lock-check.rb b/server/update-lock-check.rb
new file mode 100755
index 0000000..d08a3c2
--- /dev/null
+++ b/server/update-lock-check.rb
@@ -0,0 +1,36 @@
+#! /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 "---------------------------------------------------------"
+	$stdout.flush()
+	Kernel::exit(1)
+end
+
+if(REFNAME =~ /^refs\/heads\/(.+)$/)
+	# Branch commit
+	commit_branch = $1
+	locked_branches = IO::readlines(DATA_DIR + 'locked_branches').collect!(){|element| element.strip()}
+	if(locked_branches.include?(commit_branch))
+		reject("Branch '#{commit_branch}' is locked.")
+	end
+
+	if(NEWREV =~ /^0{40}$/)
+		# Branch deletion
+		preserved_branches = IO::readlines(DATA_DIR + 'preserved_branches').collect!(){|element| element.strip()}
+		if(preserved_branches.include?(commit_branch))
+			reject("Branch '#{commit_branch}' cannot be deleted.")
+		end
+	end
+end
+
+Kernel::exit(0)
+
-- 
2.39.5