[PATCH v1 1/1] tests: add Git submodule version consistency test

[Ferry Huberts]

From: Ferry Huberts <ferry.huberts at pelagic.nl>

To ensure the versions are in sync

Signed-off-by: Ferry Huberts <ferry.huberts at pelagic.nl>
---
 tests/t0001-validate-git-versions.sh | 63 ++++++++++++++++++++++++++++++++++++
 1 file changed, 63 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..22066c0
--- /dev/null
+++ b/tests/t0001-validate-git-versions.sh
@@ -0,0 +1,63 @@
+#!/bin/sh
+
+. ./setup.sh
+
+
+test_versions()
+{
+	curdir=`pwd`
+	cd ..
+
+	gitSubmoduleStatus=`git submodule status git`
+	echo "gitSubmoduleStatus          = $gitSubmoduleStatus"
+
+	gitSubmoduleStatusFirstChar=`echo "$gitSubmoduleStatus" | cut -c -1`
+	echo "gitSubmoduleStatusFirstChar = $gitSubmoduleStatusFirstChar"
+
+	# Fail the test if the Git submodule is not initialised
+	test "$gitSubmoduleStatusFirstChar" == "-" && \
+		echo "The Git submodule is not initialised" && \
+		return 1 
+
+	# Fail the test if the Git submodule is not clean
+	test "$gitSubmoduleStatusFirstChar" != " " && \
+		echo "The Git submodule is not clean" && \
+		return 1
+
+	# Get the SHA1 from the (clean) Git submodule
+	gitSubmoduleVersionSha=`git submodule status git| awk '{ print $1 }' | cut -c 1-`
+	echo "gitSubmoduleVersionSha      = $gitSubmoduleVersionSha"
+
+	# Extract the Git version of the archive from the Makefile
+	regex='^[[:space:]]*GIT_VER[[:space:]]*=[[:space:]]*(.*)[[:space:]]*$'
+	archiveVersion=`grep -E "$regex" Makefile | sed -r "s/$regex/\1/"`
+	echo "archiveVersion              = $archiveVersion"
+
+	# Compare the Git submodule version and the Makefile Git version
+	cd git
+	git diff --exit-code --quiet "$gitSubmoduleVersionSha..v$archiveVersion"
+	diffExitCode=$?
+	echo "diffExitCode                = $diffExitCode"
+	cd ..
+
+	# Return to the original directory
+	cd "$curdir"
+	
+	# Determine exit code
+	test $diffExitCode -ne 0 && return 1
+	return 0
+}
+
+
+prepare_tests 'Check Git version consistency'
+
+git=`which git`
+test -n "$git" || {
+	echo "Skipping test: git not found"
+	tests_done
+	exit
+}
+
+run_test 'test versions' 'test_versions'
+
+tests_done
-- 
1.7.11.7