Pull Request Target

Previously, the actions tied to pull requests executed on the pull_request
event, which resulted in them not having access to the secrets required for
them to execute.  At the beginning of August, GitHub added the
pull_request_target event which operates in a similar way except only actions
in the base commit would execute ensuring that it was safe to expose secrets.
This change updates the pull request actions to use pull_request_target,
ensuring that they are always functional.

Signed-off-by: Ben Hale <[email protected]>

.github/workflows/update-draft-release.yml

@@ -13,12 +13,6 @@ jobs:
               uses: release-drafter/release-drafter@v5
               env:
                 GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-            - name: Docker login gcr.io
-              uses: docker/login-action@v1
-              with:
-                password: ${{ secrets.JAVA_GCLOUD_SERVICE_ACCOUNT_KEY }}
-                registry: gcr.io
-                username: _json_key
             - uses: actions/checkout@v2
             - name: Install yj
               run: |
@@ -45,31 +39,55 @@ jobs:
 
                 set -euo pipefail
 
-                PAYLOAD=$(yj -tj < buildpack.toml | jq '{ primary: . }')
+                PAYLOAD="{}"
+
+                if [[ -e buildpack.toml ]]; then
+                  PAYLOAD=$(jq -n -r \
+                    --argjson PAYLOAD "${PAYLOAD}" \
+                    --argjson BUILDPACK "$(yj -tj < buildpack.toml)" \
+                      '$PAYLOAD | .primary = $BUILDPACK')
+                fi
+
+                if [[ -e builder.toml ]]; then
+                  PAYLOAD=$(jq -n -r \
+                    --argjson PAYLOAD "${PAYLOAD}" \
+                    --argjson BUILDER "$(yj -tj < builder.toml)" \
+                      '$PAYLOAD | .primary = $BUILDER')
+
+                  for BUILDPACK in $(
+                    jq -n -r \
+                      --argjson PAYLOAD "${PAYLOAD}" \
+                      '$PAYLOAD.primary.buildpacks[].image'
+                  ); do
+                    crane export "${BUILDPACK}" - | tar xf - --absolute-names  --strip-components 1 --wildcards "/cnb/buildpacks/*/*/buildpack.toml"
+                  done
+                fi
 
                 if [[ -e package.toml ]]; then
                   for PACKAGE in $(yj -t < package.toml | jq -r '.dependencies[].image'); do
-                    PAYLOAD=$(jq -n -r \
-                      --argjson PAYLOAD "${PAYLOAD}" \
-                      --argjson BUILDPACK "$(crane export "${PACKAGE}" - \
-                        | tar xOf - --absolute-names --wildcards "/cnb/buildpacks/*/*/buildpack.toml" \
-                        | yj -tj)" \
-                      '$PAYLOAD | .buildpacks += [ $BUILDPACK ]')
+                    crane export "${PACKAGE}" - | tar xf - --absolute-names  --strip-components 1 --wildcards "/cnb/buildpacks/*/*/buildpack.toml"
                   done
                 fi
 
+                while IFS= read -r -d '' FILE; do
+                  PAYLOAD=$(jq -n -r \
+                    --argjson PAYLOAD "${PAYLOAD}" \
+                    --argjson BUILDPACK "$(yj -tj < "${FILE}")" \
+                    '$PAYLOAD | .buildpacks += [ $BUILDPACK ]')
+                done < <(find buildpacks -name buildpack.toml -print0)
+
                 jq -n -r \
                   --argjson PAYLOAD "${PAYLOAD}" \
                   --arg RELEASE_NAME "${RELEASE_NAME}" \
-                  '"\($PAYLOAD.primary.buildpack.name) \($RELEASE_NAME)"' \
+                  '( select($PAYLOAD.primary.buildpack.name) | "\($PAYLOAD.primary.buildpack.name) \($RELEASE_NAME)" ) // "\($RELEASE_NAME)"' \
                   > "${HOME}"/name
 
                 jq -n -r \
                   --argjson PAYLOAD "${PAYLOAD}" \
                   --arg RELEASE_BODY "${RELEASE_BODY}" \
                   '
                 def id(b):
-                  "**ID**: `\(b.buildpack.id)`"
+                  select(b.buildpack.id) | "**ID**: `\(b.buildpack.id)`"
                 ;
 
                 def included_buildpackages(b): [
@@ -98,7 +116,7 @@ jobs:
                   "#### Dependencies:",
                   "Name | Version | SHA256",
                   ":--- | :------ | :-----",
-                  ( d | sort_by(.name | ascii_downcase) | map("\(.name) | `\(.version)` | `\(.sha256)`")),
+                  ( d | sort_by(.name // .id | ascii_downcase) | map("\(.name // .id) | `\(.version)` | `\(.sha256)`")),
                   ""
                 ];
 
@@ -109,7 +127,7 @@ jobs:
                   ( o | map([
                     "ID | Version | Optional",
                     ":- | :------ | :-------",
-                    ( .group | map([ "`\(.id)` | `\(.version)`", ( select(.optional) | "| `\(.optional)`" ) ] | join(" ")) ),
+                    ( .group | map([ "`\(.id)` | ", (select(.version) | "`\(.version)`"), ( select(.optional) | "| `\(.optional)`" ) ] | join(" ")) ),
                     ""
                   ])),
                   "</details>",