Use pack experimental

* to enable arm64 dual arch

octo/create_package.go

@@ -84,10 +84,8 @@ func ContributeCreatePackage(descriptor Descriptor) (*Contribution, error) {
 						},
 					},
 					{
-						Uses: fmt.Sprintf("buildpacks/github-actions/setup-pack@v%s", BuildpackActionsVersion),
-						With: map[string]interface{}{
-							"pack-version": PackVersion,
-						},
+						Name: "Install pack",
+						Run:  StatikString("/install-experimental-pack.sh"),
 					},
 					{
 						Name: "Enable pack Experimental",

octo/install-experimental-pack.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+# this is coming from a copy of https://github.com/buildpacks/pack/actions/runs/8118576298 stored on box
+# TODO to revisit when the official one is out
+set -euo pipefail
+
+echo "Installing pack experimental"
+
+mkdir -p "${HOME}"/bin
+echo "${HOME}/bin" >> "${GITHUB_PATH}"
+
+curl -L "https://ent.box.com/shared/static/j4d1bfe9uk1sb0i7zjvci0md9xmy41u4" -o ${HOME}/bin/pack
+chmod +x "${HOME}"/bin/pack

octo/package-buildpack.sh

@@ -2,15 +2,20 @@
 
 set -euo pipefail
 
+CONFIG="--config "${HOME}"/package.toml"
+#TODO with this, we don't need to use the package.toml, because pack exp. does not support it with multi arch yet
+if ! [ -f "${PWD}/package.toml" ]; then
+  cd ~/buildpack
+  CONFIG=""
+fi
 
 PACKAGE_LIST=($PACKAGES)
 # Extract first repo (Docker Hub) as the main to package & register
 PACKAGE=${PACKAGE_LIST[0]}
 
 if [[ "${PUBLISH:-x}" == "true" ]]; then
-  pack buildpack package \
-    "${PACKAGE}:${VERSION}" \
-    --config "${HOME}"/package.toml \
+  pack -v buildpack package \
+    "${PACKAGE}:${VERSION}" "${CONFIG}" \
     --publish
 
   if [[ -n ${VERSION_MINOR:-} && -n ${VERSION_MAJOR:-} ]]; then
@@ -34,8 +39,7 @@ if [[ "${PUBLISH:-x}" == "true" ]]; then
     done
 
 else
-  pack buildpack package \
-    "${PACKAGE}:${VERSION}" \
-    --config "${HOME}"/package.toml \
+  pack -v buildpack package \
+    "${PACKAGE}:${VERSION}" "${CONFIG}" \
     --format "${FORMAT}"
 fi