From 8465ec8f46d391fad9e6d994b9af3154bb4ff4ec Mon Sep 17 00:00:00 2001
From: Richard Mortier <mort@cantab.net>
Date: Fri, 29 Nov 2019 17:30:11 +0000
Subject: dabuild: add support for `DABUILD_DOCKER` env var

Closes #45

Signed-off-by: Richard Mortier <mort@cantab.net>
---
 dabuild.in | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/dabuild.in b/dabuild.in
index fb44412..c761c7e 100755
--- a/dabuild.in
+++ b/dabuild.in
@@ -32,6 +32,15 @@ case "$DABUILD_ARCH" in
           "You may force it setting DABUILD_ARCH=\"xxx\" in invocation";;
 esac
 
+## allow setting of `docker` command by env variable
+[ ! "$DABUILD_DOCKER" ] && DABUILD_DOCKER=docker
+case "$DABUILD_DOCKER" in
+  podman|docker ) ;;
+  * ) die "Unsupported docker CLI replacement \"$DABUILD_DOCKER\" detected." \
+          "Expected one of: docker|podman"
+      ;;
+esac
+
 ## use branch to figure out most appropriate alpine version
 if [ "$DABUILD_VERSION" ]; then
   ABUILD_VERSION=$DABUILD_VERSION
-- 
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