From e1e0e038fd0fee3fe10524d7466deab03e78deb5 Mon Sep 17 00:00:00 2001
From: John Keeping <john@keeping.me.uk>
Date: Tue, 19 Mar 2013 20:00:29 +0000
Subject: tests: check that Git version are in sync

This ensures that the Git version pointed at by the submodule is the
same as the one that will be fetched using "make get-git".

Suggested-by: Ferry Huberts <ferry.huberts@pelagic.nl>
Signed-off-by: John Keeping <john@keeping.me.uk>
---
 tests/t0001-validate-git-versions.sh | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100755 tests/t0001-validate-git-versions.sh

diff --git a/tests/t0001-validate-git-versions.sh b/tests/t0001-validate-git-versions.sh
new file mode 100755
index 0000000..3378358
--- /dev/null
+++ b/tests/t0001-validate-git-versions.sh
@@ -0,0 +1,36 @@
+#!/bin/sh
+
+. ./setup.sh
+
+prepare_tests 'Check Git version is correct'
+
+run_test 'extract Git version from Makefile' '
+	sed -n -e "/^GIT_VER[ 	]*=/ {
+		s/^GIT_VER[ 	]*=[ 	]*//
+		p
+	}" ../Makefile >trash/makefile_version
+'
+
+run_test 'test Git version matches Makefile' '
+	( cat ../git/GIT-VERSION-FILE || echo "No GIT-VERSION-FILE" ) |
+	sed -e "s/GIT_VERSION[ 	]*=[ 	]*//" >trash/git_version &&
+	diff -u trash/git_version trash/makefile_version
+'
+
+run_test 'test submodule version matches Makefile' '
+	if ! test -e ../git/.git
+	then
+		echo "git/ is not a Git repository" >&2
+	else
+		(
+			cd .. &&
+			sm_sha1=$(git ls-files --stage -- git |
+				sed -e "s/^[0-9]* \\([0-9a-f]*\\) [0-9]	.*$/\\1/") &&
+			cd git &&
+			git describe --match "v[0-9]*" $sm_sha1
+		) | sed -e "s/^v//" >trash/sm_version &&
+		diff -u trash/sm_version trash/makefile_version
+	fi
+'
+
+tests_done
-- 
cgit v1.2.3