From 55d6538336e37b45d437826635ab73747afaefb4 Mon Sep 17 00:00:00 2001
From: Daniel Dunbar <daniel@zuster.org>
Date: Thu, 21 Jan 2010 16:09:59 +0000
Subject: [PATCH] Add a simple script for getting a version tag from a
 svn/git-svn/git repository. Feel free to add support for your favorite VCS.

llvm-svn: 94077
---
 utils/GetSourceVersion | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100755 utils/GetSourceVersion

diff --git a/utils/GetSourceVersion b/utils/GetSourceVersion
new file mode 100755
index 00000000000..63cfe0f4998
--- /dev/null
+++ b/utils/GetSourceVersion
@@ -0,0 +1,27 @@
+#!/bin/sh
+
+function usage() {
+   echo "usage: $0 <source root>"
+   echo "  Prints the source control revision of the given source directory,"
+   echo "  the exact format of the revision string depends on the source "
+   echo "  control system. If the source control system isn't known, the output"
+   echo "  is empty and the exit code is 1."
+   exit 1
+}
+
+if [ $# != 1 ] || [ ! -d $1 ]; then
+  usage;
+fi
+
+cd $1
+if [ -d .svn ]; then
+   svnversion
+elif [ -d .git/svn ]; then
+   git svn info | grep 'Revision:' | cut -d: -f2-
+elif [ -d .git ]; then
+   git log -1 --pretty=format:%H
+else
+   exit 1;
+fi
+
+exit 0