Update old Perls from jessie to stretch (and test them all in Actions)

Author: tianon

.github/workflows/build-image.yml

@@ -1,4 +1,4 @@
-name: Build and test latest supported Perls
+name: Build and Test
 
 on:
   push:
@@ -8,13 +8,29 @@ on:
       - '*'
   pull_request:
 
+defaults:
+  run:
+    shell: 'bash -Eeuo pipefail -x {0}'
+
 jobs:
+  generate-matrix:
+    name: Generate Matrix
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.generate.outputs.matrix }}
+    steps:
+      - uses: actions/checkout@master
+      - id: generate
+        name: Enumerate Dockerfiles
+        run: |
+          matrix="$(dirname */Dockerfile | sort -rn | jq -csR 'rtrimstr("\n") | split("\n") | { directory: . }')"
+          echo "::set-output name=matrix::$matrix"
   build-image:
+    needs: generate-matrix
     runs-on: ubuntu-latest
     strategy:
-      matrix:
-        variant: [ 'main', 'slim', 'main,threaded', 'slim,threaded' ]
-        perl-version: [ '5.032.001', '5.030.003' ]
+      matrix: ${{ fromJson(needs.generate-matrix.outputs.matrix) }}
+    name: ${{ matrix.directory }}
     steps:
       - uses: actions/checkout@master
       - name: Clone docker-library/official-images (for testing)
@@ -23,11 +39,17 @@ jobs:
       - name: Build image
         run: |
           docker version
-          docker build --no-cache -t perl:${{ matrix.perl-version }} ${{ matrix.perl-version }}-${{ matrix.variant }}-buster
+          dir='${{ matrix.directory }}'
+          img="perl:${dir//,/-}"
+          docker build -t "$img" "$dir"
       - name: Inspect image creation and tag time
         run: |
-          docker image inspect --format \'{{.Created}}\' perl:${{ matrix.perl-version }}
-          docker image inspect --format \'{{.Metadata.LastTagTime}}\' perl:${{ matrix.perl-version }}
+          dir='${{ matrix.directory }}'
+          img="perl:${dir//,/-}"
+          docker image inspect --format '{{.Created}}' "$img"
+          docker image inspect --format '{{.Metadata.LastTagTime}}' "$img"
       - name: Run tests
         run: |
-          ./official-images/test/run.sh perl:${{ matrix.perl-version }}
+          dir='${{ matrix.directory }}'
+          img="perl:${dir//,/-}"
+          ./official-images/test/run.sh "$img"

5.008.009-main,threaded-jessie/DevelPatchPerl.patch renamed to 5.008.009-main,threaded-stretch/DevelPatchPerl.patch

@@ -1,4 +1,4 @@
-FROM buildpack-deps:jessie
+FROM buildpack-deps:stretch
 LABEL maintainer="Peter Martini <[email protected]>, Zak B. Elep <[email protected]>"
 
 COPY *.patch /usr/src/perl/

5.008.009-main,threaded-jessie/Dockerfile renamed to 5.008.009-main,threaded-stretch/Dockerfile

@@ -1,4 +1,4 @@
-FROM buildpack-deps:jessie
+FROM buildpack-deps:stretch
 LABEL maintainer="Peter Martini <[email protected]>, Zak B. Elep <[email protected]>"
 
 COPY *.patch /usr/src/perl/

5.008.009-main-jessie/DevelPatchPerl.patch renamed to 5.008.009-main-stretch/DevelPatchPerl.patch

@@ -1,4 +1,4 @@
-FROM debian:jessie-slim
+FROM debian:stretch-slim
 LABEL maintainer="Peter Martini <[email protected]>, Zak B. Elep <[email protected]>"
 
 COPY *.patch /usr/src/perl/

5.008.009-main-jessie/Dockerfile renamed to 5.008.009-main-stretch/Dockerfile

@@ -1,4 +1,4 @@
-FROM debian:jessie-slim
+FROM debian:stretch-slim
 LABEL maintainer="Peter Martini <[email protected]>, Zak B. Elep <[email protected]>"
 
 COPY *.patch /usr/src/perl/