From 783ff95ab8c2ccc42901200bdc25a426377a3886 Mon Sep 17 00:00:00 2001
From: Charlie <root@dev.ws.local>
Date: Wed, 28 Oct 2009 13:58:26 -0600
Subject: Add policy checks

---
 check-rev-policy | 129 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 129 insertions(+)
 create mode 100755 check-rev-policy

(limited to 'check-rev-policy')

diff --git a/check-rev-policy b/check-rev-policy
new file mode 100755
index 0000000..c7f6c4e
--- /dev/null
+++ b/check-rev-policy
@@ -0,0 +1,129 @@
+#!/bin/sh -eu
+set -eu
+
+server=git.ws.local
+
+check_commit()
+{
+	commit=$1
+	
+	# Check the email
+	email="`git log $commit -1 --pretty=format:%ae`"
+	case "$email" in 
+	*localhost.localdomain|*\(none\))
+		cat <<EOF >&2
+---
+The commits you are trying to push contain the author email
+address '$email'. Please configure your 
+name and email address. 
+---
+EOF
+		exit 1
+		;;
+	esac
+
+	subj="`git log $commit -1 --pretty=format:%s`"
+	case "$subj" in
+	*Merge\ branch*of*[gs][is][th]\:*)
+		cat <<EOF >&2
+---
+The commit:
+
+EOF
+		git log $commit -1 >&2
+		cat <<EOF >&2
+
+Looks like it was produced by typing 'git pull' without the --rebase
+option when you had local changes. Running 'git  pull --rebase' now
+will fix the problem. Then please try, 'git push' again. 
+---
+EOF
+		exit 1
+		;;
+	esac
+}
+
+check_ref_update() 
+{
+	oldrev=$1
+	newrev=$2
+	refname=$3
+	
+	change_type=update
+	if expr $oldrev : "^0\+$" > /dev/null 2>&1; then
+		change_type=create
+	fi
+
+	if expr $newrev : "^0\+$" > /dev/null 2>&1; then
+		if [ x$change_type = xcreate ] ; then
+			# Deleting an invalid ref, allow
+			return 0
+		fi
+		change_type=delete
+	fi
+
+	case $refname in
+	refs/heads/*)
+		range=
+		case $change_type in
+		create)
+			range="$newrev"
+			;;
+		update)
+			range="$oldrev..$newrev"
+			;;
+		esac
+		
+		if [ -n "$range" ]; then
+			for merged in `git rev-parse --symbolic-full-name \
+				--not --branches | egrep -v "^/^$refname$" | \
+				git rev-list --reverse --stdin "$range"`; do
+				check_commit $merged
+			done
+		fi
+		;;
+
+	ref/tags/*)
+		;;
+
+	# Remote tracking branch
+	ref/remotes/*)
+		cat <<EOF >&2
+---
+You are trying to push the remote tracking branch:
+
+   $refname
+
+to $server
+---	
+EOF
+		exit 1
+		;;
+
+	# Something completely different
+	*)
+		cat <<EOF >&2
+---
+You are trying to push the ref:
+
+  $refname
+
+to $server. This isn't a branch or tag.
+---
+EOF
+		exit 1
+		;;
+	esac
+
+	return 0
+}
+
+if [ $# = 3 ] ; then
+	check_ref_update $@ 
+else
+	echo "usage: check-rev-policy oldrev newrev refname" >&2
+	exit 2
+fi
+
+exit 0
+
-- 
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