[sysadmin-bin: 36/168] Add a pre-receive check for a MAINTAINERS file

[Andrea Veri <av src gnome org>]

commit 3bece93d4e5676e7bc6d71eca0375b86996dfb63
Author: Owen W. Taylor <otaylor fishsoup net>
Date:   Tue Mar 3 16:05:17 2009 -0500

    Add a pre-receive check for a MAINTAINERS file
    
    Add another pre-receive check that doesn't allow any commits to the
    master branch (other than translator commits), unless there is a
    proper MAINTAINERS file.

 gnome-pre-receive             |    4 +++
 pre-receive-check-maintainers |   45 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 49 insertions(+), 0 deletions(-)
---
diff --git a/gnome-pre-receive b/gnome-pre-receive
index 3081db0..4c02f9a 100755
--- a/gnome-pre-receive
+++ b/gnome-pre-receive
@@ -21,6 +21,10 @@ while read oldrev newrev refname; do
     # for each ref that is updated. This keeps things simple and
     # reliable and none of the scripts need all the refs at once.
 
+    if ! $BINDIR/pre-receive-check-maintainers $oldrev $newrev $refname ; then
+	exit 1
+    fi
+
     if ! $BINDIR/pre-receive-check-po $oldrev $newrev $refname ; then
 	exit 1
     fi
diff --git a/pre-receive-check-maintainers b/pre-receive-check-maintainers
new file mode 100755
index 0000000..0c3d9a2
--- /dev/null
+++ b/pre-receive-check-maintainers
@@ -0,0 +1,45 @@
+#!/bin/bash
+
+check_maintainers() {
+    oldrev=$1
+    newrev=$2
+    refname=$3
+
+    branchname=${refname#refs/heads/}
+    if [ "$branchname" = "$refname" ] ; then
+        # not a branch update
+	return 0
+    fi
+
+    if [ "$branchname" != "master" ] ; then
+	# MAINTAINERS only required on the master branch
+	return 0
+    fi
+
+    if expr $oldrev : "^0+$" > /dev/null 2>&1; then
+        # Don't require MAINTAINERS for initial imports; keeps things simple
+	return 0
+    fi
+
+    if ! git diff-tree --name-only -r $oldrev $newrev | grep -q -v '\(LINGUAS\|ChangeLog\|.po\)$' ; then
+	# Looks like something a translator would do, exempt it from the check
+	return 0
+    fi
+
+    if ! git cat-file blob $newrev:MAINTAINERS 2>/dev/null | /bin/grep -q "^Userid:" ; then
+        echo "A valid MAINTAINERS file is required. See http://live.gnome.org/MaintainersCorner#maintainers"; >&2
+        return 1
+    fi
+}
+
+if [ $# = 3 ] ; then
+    if ! check_maintainers $@ ; then
+	exit 1
+    fi
+else
+    while read oldrev newrev refname; do
+	if ! check_maintainers $oldrev $newrev $refname ; then
+	    exit 1
+	fi
+    done
+fi