From 03d46f9b24772e32dfbb7968a672d365a8e8c4cf Mon Sep 17 00:00:00 2001
From: Robert Baldyga <robert.baldyga@intel.com>
Date: Wed, 21 Jul 2021 12:01:52 +0200
Subject: [PATCH] tools: Introduce version2sha helper tool

This tool translates Open CAS version tag into SHA in git repository.
Example:

$ ./tools/version2sha 21.06.0.0520.master
eaa2f54

Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
---
 tools/version2sha | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100755 tools/version2sha

diff --git a/tools/version2sha b/tools/version2sha
new file mode 100755
index 0000000..73e9bd0
--- /dev/null
+++ b/tools/version2sha
@@ -0,0 +1,13 @@
+#!/bin/bash
+#
+# Copyright(c) 2021 Intel Corporation
+# SPDX-License-Identifier: BSD-3-Clause-Clear
+#
+
+VERSION=$1
+MERGE=$(echo "$VERSION" | cut -d. -f 4)
+SHA=$(git log --merges --oneline | tac | sed "${MERGE}q;d" | cut -d " " -f 1)
+
+[[ -z "$SHA" ]] && exit 1
+
+echo "$SHA"