From cf99c53a74544ac557a934300dc4f37bc81739a3 Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jow@openwrt.org>
Date: Mon, 25 Mar 2013 11:05:34 +0000
Subject: [PATCH] build: add mkrevision.sh helper script which properly infers
 the revision from either svn, git-svn or git work copies

---
 build/mkrevision.sh | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100755 build/mkrevision.sh

diff --git a/build/mkrevision.sh b/build/mkrevision.sh
new file mode 100755
index 000000000..889ce75c2
--- /dev/null
+++ b/build/mkrevision.sh
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+TOPDIR="${0%mkrevision.sh}"
+
+[ -d "$TOPDIR/../build" ] || {
+	echo "Please execute as ./build/mkrevision.sh" >&2
+	exit 1
+}
+
+(
+	cd "$TOPDIR"
+	if svn info >/dev/null 2>/dev/null; then
+		revision="svn-r$(LC_ALL=C svn info | sed -ne 's/^Revision: //p')"
+	elif git log -1 >/dev/null 2>/dev/null; then
+		revision="svn-r$(LC_ALL=C git log -1 | sed -ne 's/.*git-svn-id: .*@\([0-9]\+\) .*/\1/p')"
+		if [ "$revision" = "svn-r" ]; then
+			revision="git-$(LC_ALL=C git log -1 --pretty=%h)"
+		fi
+	else
+		revision="unknown"
+	fi
+
+	echo "$revision"
+)
-- 
2.11.0