From 3728cc8e12c7504b0508ccd4008516e839a2bf18 Mon Sep 17 00:00:00 2001
From: Stephen Worley <sworley@nvidia.com>
Date: Tue, 4 Jan 2022 13:14:51 -0500
Subject: [PATCH] docker: update alpine build enable set own version

Add ability to set your own env for the version of the docker
container alpine image. This is useful for applications like GNS3
who pin a specific version to look for when they boot up. When you build
locally to test your code you can just set the version to 0 so you don't
have to update configs/scripts looking for a specific image version.

Also fix a shebang in docker start for alpine.

Signed-off-by: Stephen Worley <sworley@nvidia.com>
---
 docker/alpine/build.sh     | 10 +++++++++-
 docker/alpine/docker-start |  2 +-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/docker/alpine/build.sh b/docker/alpine/build.sh
index 22a36877c0..3132feb9f1 100755
--- a/docker/alpine/build.sh
+++ b/docker/alpine/build.sh
@@ -6,7 +6,15 @@ set -x
 ##
 # Package version needs to be decimal
 ##
-GITREV="$(git rev-parse --short=10 HEAD)"
+
+##
+# Set GITREV=0 or similar in ENV if you want the tag to just be updated to -0
+# everytime for automation usage/scripts/etc locally.
+#
+# Ex) GITREV=0 ./build.sh
+##
+
+GITREV="${GITREV:=$(git rev-parse --short=10 HEAD)}"
 PKGVER="$(printf '%u\n' 0x$GITREV)"
 
 docker build \
diff --git a/docker/alpine/docker-start b/docker/alpine/docker-start
index 698f4f93c9..995cea4119 100755
--- a/docker/alpine/docker-start
+++ b/docker/alpine/docker-start
@@ -1,4 +1,4 @@
-#!/bin/ash
+#!/bin/bash
 
 if [ -r "/lib/lsb/init-functions" ]; then
         . /lib/lsb/init-functions
-- 
2.39.5