From 8fb695503e2bcb2e3b9ad731417b472c64df2031 Mon Sep 17 00:00:00 2001
From: Harry Pidcock <harry.pidcock@canonical.com>
Date: Fri, 6 Oct 2023 15:57:15 +1000
Subject: [PATCH] Use podman if it is installed. Fix DOCKER_USERNAME for
 podman.

---
 Makefile          | 4 ++--
 make_functions.sh | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index 3dcaa884a4a..47294d20be4 100644
--- a/Makefile
+++ b/Makefile
@@ -453,8 +453,8 @@ check-deps:
 
 
 # CAAS related targets
-export OCI_BUILDER         ?= docker
-DOCKER_USERNAME            ?= jujusolutions
+export OCI_BUILDER         ?= $(shell (which podman 2>&1 > /dev/null && echo podman) || echo docker )
+DOCKER_USERNAME            ?= docker.io/jujusolutions
 DOCKER_BUILDX_CONTEXT      ?= juju-make
 DOCKER_STAGING_DIR         ?= ${BUILD_DIR}/docker-staging
 JUJUD_STAGING_DIR          ?= ${DOCKER_STAGING_DIR}/jujud-operator
diff --git a/make_functions.sh b/make_functions.sh
index 29accabc458..eeba157b49f 100755
--- a/make_functions.sh
+++ b/make_functions.sh
@@ -12,7 +12,7 @@ JUJU_BUILD_NUMBER=${JUJU_BUILD_NUMBER:-}
 
 # Docker variables
 OCI_BUILDER=${OCI_BUILDER:-docker}
-DOCKER_USERNAME=${DOCKER_USERNAME:-jujusolutions}
+DOCKER_USERNAME=${DOCKER_USERNAME:-docker.io/jujusolutions}
 DOCKER_BUILDX_CONTEXT=${DOCKER_BUILDX_CONTEXT:-juju-make}
 DOCKER_STAGING_DIR="${BUILD_DIR}/docker-staging"
 DOCKER_BIN=${DOCKER_BIN:-$(which ${OCI_BUILDER} || true)}