refactor: remove workdir workaround (#393)

oci/private/image.sh.tpl

@@ -86,7 +86,6 @@ REGISTRY=
 REGISTRY=$(start_registry "${STORAGE_DIR}" "${STDERR}")
 
 OUTPUT=""
-WORKDIR=""
 FIXED_ARGS=()
 ENV_EXPANSIONS=()
 
@@ -96,7 +95,6 @@ for ARG in "$@"; do
         (oci:empty_base) FIXED_ARGS+=("$(empty_base $REGISTRY $@)") ;;
         (oci:layout*) FIXED_ARGS+=("$(base_from_layout ${ARG/oci:layout\/} $REGISTRY)") ;;
         (--output=*) OUTPUT="${ARG#--output=}" ;;
-        (--workdir=*) WORKDIR="${ARG#--workdir=}" ;;
         (--env-file=*)
           # NB: the '|| [-n $in]' expression is needed to process the final line, in case the input
           # file doesn't have a trailing newline.
@@ -161,11 +159,6 @@ if [ ${#ENV_EXPANSIONS[@]} -ne 0 ]; then
     REF=$("${CRANE}" mutate "${REF}" ${environment_args[@]})
 fi
 
-# TODO: https://github.com/google/go-containerregistry/issues/1515
-if [ -n "${WORKDIR}" ]; then 
-    REF=$("${CRANE}" config "${REF}" | "${JQ}"  --arg workdir "${WORKDIR}" '.config.WorkingDir = $workdir' | "${CRANE}" edit config "${REF}")
-fi
-
 if [ -n "$OUTPUT" ]; then
     "${CRANE}" pull "${REF}" "./${OUTPUT}" --format=oci
 fi

oci/private/versions.bzl

@@ -1,6 +1,6 @@
 "Mirror of release info"
 
-# WARNING: only v0.12.0 and above is supported.
+# WARNING: only v0.15.1 and above is supported due to --workdir feature.
 CRANE_VERSIONS = {
     "v0.16.1": {
         "go-containerregistry-0": "sha256-KHa1NgQVE4cW1YN6aeHBFhgOSOz2KmP1MBw1HVoS+Zs=",

scripts/mirror_releases.sh

@@ -10,7 +10,7 @@ REPOSITORY=${1:-"google/go-containerregistry"}
 (
   curl --silent \
     --header "Accept: application/vnd.github.v3+json" \
-    https://api.github.com/repos/${REPOSITORY}/releases?per_page=1 \
+    https://api.github.com/repos/${REPOSITORY}/releases?per_page=4 \
     | jq -f $SCRIPT_DIR/filter.jq
 ) > $RAW