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.woodpecker/build.yaml

@@ -32,7 +32,7 @@ steps:
     image: kokuwaio/buildctl:v0.21.0
     settings:
       <<: *settings
-      names:
+      name:
         - registry.kokuwa.io/buildctl:latest
         - registry.kokuwa.io/buildctl:v0.21.0
         - docker.io/kokuwaio/buildctl:latest

.woodpecker/lint.yaml

@@ -7,7 +7,6 @@ steps:
 
   renovate:
     image: kokuwaio/renovate-config-validator
-    pull: true
     depends_on: []
     when: [path: [.woodpecker/lint.yaml, renovate.json]]
 

Dockerfile

@@ -1,5 +1,5 @@
 FROM docker.io/library/bash:5.2.37@sha256:01a15c6f48f6a3c08431cd77e11567823530b18159889dca3b7309b707beef91
-SHELL ["/bin/bash", "-u", "-e", "-o", "pipefail", "-c"]
+SHELL ["/usr/local/bin/bash", "-u", "-e", "-o", "pipefail", "-c"]
 # ignore pipefail because
 # bash is non-default location https://github.com/tianon/docker-bash/issues/29
 # hadolint only uses default locations https://github.com/hadolint/hadolint/issues/977

entrypoint.sh

@@ -6,11 +6,6 @@ env | sort | grep -v DRONE
 ## check input
 ##
 
-BUILDKIT_HOST=${PLUGIN_ADDR:-${BUILDKIT_HOST:-}}
-if [[ -z "${BUILDKIT_HOST:-}" ]]; then
-	echo "Missing buildkit addr."
-	exit 1
-fi
 BUILDCTL_CONTEXT=${PLUGIN_CONTEXT:-$(pwd)}
 BUILDCTL_DOCKERFILE=$(dirname "${PLUGIN_DOCKERFILE:-$BUILDCTL_CONTEXT/Dockerfile}")
 if [[ ! -f $BUILDCTL_DOCKERFILE/Dockerfile ]]; then
@@ -22,15 +17,16 @@ if [[ "$BUILDCTL_FRONTEND" != "dockerfile.v0" ]]; then
 	echo "Only frontend 'dockerfile.v0' testet and supported yet."
 	exit 1
 fi
-
-SOURCE_DATE_EPOCH=${PLUGIN_SOURCE_DATE_EPOCH:-${SOURCE_DATE_EPOCH:-0}}
+SOURCE_DATE_EPOCH=${PLUGIN_SOURCE_DATE_EPOCH:-0}
 
 ##
 ## build command
 ##
 
 COMMAND="buildctl"
-COMMAND="$COMMAND --addr $BUILDKIT_HOST"
+if [[ -n "${PLUGIN_ADDR:-}" ]]; then
+	COMMAND="$COMMAND --addr $PLUGIN_ADDR"
+fi
 COMMAND="$COMMAND build"
 COMMAND="$COMMAND --frontend $BUILDCTL_FRONTEND"
 COMMAND="$COMMAND --local context='$BUILDCTL_CONTEXT'"
@@ -39,11 +35,11 @@ if [[ "${PLUGIN_PLATFORM:-}" == "true" ]]; then
 	COMMAND="$COMMAND --opt platform='$PLUGIN_PLATFORM'"
 fi
 # https://github.com/moby/buildkit/blob/master/README.md#output
-if [[ -n "${PLUGIN_NAMES:-}" ]]; then
+if [[ -n "${PLUGIN_NAME:-}" ]]; then
 	COMMAND="$COMMAND --output type=image,name=$PLUGIN_NAMES,push=${PLUGIN_PUSH:-true}"
 fi
 
-# custom args, e.g. docker run --rm --volume=$(pwd):$(pwd) --workdir=$(pwd) --env=CI=test kokuwaio/buildkit --opt buildarg=foo=bar
+# custom args, e.g. docker run --rm --volume=$HOME:HOME:ro --workdir=$PWD kokuwaio/buildkit --opt buildarg=foo=bar
 if [[ -n "${1:-}" ]]; then
 	COMMAND="$COMMAND $*"
 fi
@@ -52,5 +48,6 @@ fi
 ## execute command
 ##
 
-echo -e "${COMMAND// --/\\n  --}\n"
+echo -e "SOURCE_DATE_EPOCH=$SOURCE_DATE_EPOCH ${COMMAND// --/\\n  --}\n"
 eval "$COMMAND"
+