Compare current ABI to last (git) tagged version's ABI

svn path=/trunk/; revision=39682

tools/git-compare-abis.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+# check is Wireshark's ABI has ben changes since last release (tag)
+set -e
+
+if test -z "$1"; then
+	echo "Usage:"
+	echo "$0 \"<build commands>\""
+	echo "e.g. $0 \"./autogen.sh && ./configure && make -j3 && make dumpabi\""
+	exit 1
+fi
+
+# build current version
+bash -c "$1"
+
+cd `git rev-parse --show-toplevel`
+# we are at top level
+LAST_TAG=`git describe --tags --abbrev=0`
+rm -rf $LAST_TAG
+mkdir $LAST_TAG
+git archive $LAST_TAG | tar -x -C $LAST_TAG
+
+# build latest tag
+(cd $LAST_TAG && bash -c "$1")
+
+exec tools/compare-abis.sh `pwd`/$LAST_TAG `pwd`
+