Ugh, testing

.github/workflows/.bashbrew/action.yml

@@ -0,0 +1,19 @@
+# https://github.com/docker-library/official-images/pull/13556#issuecomment-1319181339 🙈
+name: 'Shared Bashbrew Action'
+description: 'Install the same version of Bashbrew consistently in all other GitHub Actions'
+inputs:
+  build:
+    default: 'host' # or 'docker' or 'none'
+runs:
+  using: 'composite'
+  steps:
+
+    # these two version numbers are intentionally as close together as I could possibly get them because no matter what I tried, GitHub will not allow me to DRY them (can't have any useful variables in `uses:` and can't even have YAML references to steal it in `env:` or something)
+    - shell: 'bash -Eeuo pipefail -x {0}'
+      run:    echo BASHBREW_VERSION=v0.1.5 >> "$GITHUB_ENV"
+    - uses: docker-library/bashbrew@v0.1.5
+      if: inputs.build == 'host'
+
+    - run: docker build --pull --tag oisupport/bashbrew:base "https://github.com/docker-library/bashbrew.git#$BASHBREW_VERSION"
+      shell: 'bash -Eeuo pipefail -x {0}'
+      if: inputs.build == 'docker'

.github/workflows/munge-pr.yml

@@ -95,11 +95,12 @@ jobs:
           # again, this would ideally be "github.event.pull_request.merge_commit_sha" but we might not have that yet when this runs, so we compromise by checkout out the latest code from the target branch (so we get the latest "diff-pr.sh" script to run)
           ref: ${{ github.event.pull_request.base.ref }}
           fetch-depth: 0
+      - uses: ./.github/workflows/.bashbrew
+        with:
+          build: 'docker'
       - name: Prepare Environment
         run: |
-          # this mimics "test-pr.sh", but without running repo-local scripts (to avoid CVE-2020-15228 via the scripts being updated to write nasty things to $GITHUB_ENV)
-          bashbrewVersion="$(< bashbrew-version)"
-          docker build --pull --tag oisupport/bashbrew:base "https://github.com/docker-library/bashbrew.git#v$bashbrewVersion"
+          # this avoids running repo-local scripts (to avoid CVE-2020-15228 via the scripts being updated to write nasty things to $GITHUB_ENV)
           docker build --tag oisupport/bashbrew:diff-pr .
       - name: Gather Maintainers
         env:

.github/workflows/test-pr.yml

@@ -28,8 +28,7 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
-      - run: echo "BASHBREW_VERSION=$(< bashbrew-version)" >> "$GITHUB_ENV"
-      - uses: docker-library/bashbrew@v${{ env.BASHBREW_VERSION }}
+      - uses: ./.github/workflows/.bashbrew
       - name: Check for Common Issues
         run: .github/workflows/naughty.sh
 
@@ -43,8 +42,7 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
-      - run: echo "BASHBREW_VERSION=$(< bashbrew-version)" >> "$GITHUB_ENV"
-      - uses: docker-library/bashbrew@v${{ env.BASHBREW_VERSION }}
+      - uses: ./.github/workflows/.bashbrew
       - id: generate-jobs
         name: Generate Jobs
         run: |
@@ -70,8 +68,7 @@ jobs:
           # https://github.com/docker-library/bashbrew/blob/a40a54d4d81b9fd2e39b4d7ba3fe203e8b022a67/scripts/github-actions/generate.sh#L146-L149
         if: runner.os == 'Windows'
       - uses: actions/checkout@v3
-      - run: echo "BASHBREW_VERSION=$(< bashbrew-version)" >> "$GITHUB_ENV"
-      - uses: docker-library/bashbrew@v${{ env.BASHBREW_VERSION }}
+      - uses: ./.github/workflows/.bashbrew
       - name: Prepare Environment
         run: ${{ matrix.runs.prepare }}
       - name: Pull Dependencies

Dockerfile

@@ -1,4 +1,4 @@
-# FYI, this base image is built via test-pr.sh (from https://github.com/docker-library/bashbrew/tree/master/Dockerfile)
+# FYI, this base image is built via ".github/workflows/.bashbrew/action.yml" (from https://github.com/docker-library/bashbrew/tree/master/Dockerfile)
 FROM oisupport/bashbrew:base
 
 RUN set -eux; \

pr-urls.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+set -Eeuo pipefail
+
+#
+# usage:
+#   $ ./pr-urls.sh PR-NUMBER
+#   $ ./pr-urls.sh PR-NUMBER IMAGE1 IMAGE2:TAG1 IMAGE3:TAG2
+#
+#   $ ./pr-urls.sh 12072
+#   $ ./pr-urls.sh 12072 hello-world:linux
+#   $ ./pr-urls.sh 12072 | xargs -rt bashbrew build
+#   $ ./pr-urls.sh 12072 | xargs -rt bashbrew list --uniq
+#   $ ./pr-urls.sh 12072 | xargs -rt bashbrew list --uniq | xargs -rt ./test/run.sh
+#
+# (rough replacement for the old "test-pr.sh" script and its associated complexity)
+#
+
+pr="$1"
+shift
+
+patch="$(wget -qO- "https://github.com/docker-library/official-images/pull/$pr.patch")"
+
+commit="$(grep <<<"$patch" -oE '^From [0-9a-f]+ ' | tail -1 | cut -d' ' -f2)"
+
+if [ "$#" -eq 0 ]; then
+	files="$(grep <<<"$patch" -oE '^[+]{3} b/library/.+' | cut -d/ -f3 | sort -u)"
+	set -- $files
+fi
+
+for file; do
+	echo "https://github.com/docker-library/official-images/raw/$commit/library/$file"
+done