From 87cefa228962c19afcc5c9f331c25dd77e5bf4c1 Mon Sep 17 00:00:00 2001
From: Kang-min Liu <gugod@gugod.org>
Date: Sat, 3 Jun 2023 12:54:18 +0900
Subject: [PATCH 1/4] [CI] For perl 5.8.9, pin the versions of certain
 toolchain modules.

---
 .github/workflows/ci.yml | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c2573271..6df916b5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -40,7 +40,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        perl: [ '5.8', '5.10' ]
+        perl: [ '5.10', '5.12' ]
     container:
       image: perl:${{ matrix.perl }}
     name: Perl ${{ matrix.perl }}
@@ -50,3 +50,15 @@ jobs:
       - run: cpanm --quite --notest --installdeps .
       - run: cpanm --quite --notest App::Prove
       - run: prove -lrv t
+
+  prove5.8.9:
+    runs-on: ubuntu-latest
+    container:
+      image: perl:5.8.9
+    name: Perl 5.8.9
+    steps:
+      - uses: actions/checkout@v2
+      - run: perl -V
+      - run: cpanm --quite --notest Pod::Man@4.10 Test::Deep@1.130 App::Prove
+      - run: cpanm --quite --notest --installdeps .
+      - run: prove -lrv t

From d3c2a5d4f361a464a70135567d0e6c008cc530ff Mon Sep 17 00:00:00 2001
From: Kang-min Liu <gugod@gugod.org>
Date: Sat, 3 Jun 2023 13:06:38 +0900
Subject: [PATCH 2/4] fix: id of workflows

  The workflow is not valid. .github/workflows/ci.yml (Line: 54, Col: 3): The identifier 'prove5.8.9' is invalid. IDs may only contain alphanumeric characters, '_', and '-'. IDs must start with a letter or '_' and and must be less than 100 characters.
---
 .github/workflows/ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6df916b5..71049a14 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -51,7 +51,7 @@ jobs:
       - run: cpanm --quite --notest App::Prove
       - run: prove -lrv t
 
-  prove5.8.9:
+  prove5_8_9:
     runs-on: ubuntu-latest
     container:
       image: perl:5.8.9

From 072eaa62c6a50ee2c24e3c790cb7a577072e82c9 Mon Sep 17 00:00:00 2001
From: Kang-min Liu <gugod@gugod.org>
Date: Sat, 3 Jun 2023 13:27:04 +0900
Subject: [PATCH 3/4] recent Test::Deep requires perl 5.12.

This means perl 5.10 is also considered as a legacy.
---
 .github/workflows/ci.yml | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 71049a14..c995b5f9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -40,7 +40,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        perl: [ '5.10', '5.12' ]
+        perl: ['5.12', '5.14']
     container:
       image: perl:${{ matrix.perl }}
     name: Perl ${{ matrix.perl }}
@@ -51,11 +51,14 @@ jobs:
       - run: cpanm --quite --notest App::Prove
       - run: prove -lrv t
 
-  prove5_8_9:
+  prove_legacy:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        perl: ['5.8', '5.10']
     container:
-      image: perl:5.8.9
-    name: Perl 5.8.9
+      image: perl:${{ matrix.perl }}
+    name: Perl ${{ matrix.perl }}
     steps:
       - uses: actions/checkout@v2
       - run: perl -V

From 85d39ee810feac5576adbd9b2e52ecace7209283 Mon Sep 17 00:00:00 2001
From: Kang-min Liu <gugod@gugod.org>
Date: Sat, 3 Jun 2023 17:22:12 +0900
Subject: [PATCH 4/4] [CI] it looks like git has to be inside container

... so that action/checkout@v2 could do a `git clone` instead of
downloading the repo archive.

ref: https://github.com/actions/checkout/issues/175#issuecomment-595357510
---
 .github/workflows/ci.yml | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c995b5f9..52c2788c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,12 +8,14 @@ jobs:
     container:
       image: perl:5.32
     steps:
+      - name: install dependencies
+        run: |
+          apt install -y git
+          cpanm --notest --quiet App::PerlNitpick
       - uses: actions/checkout@v2
       - uses: gugod/action-perlcritic@fun
         with:
           directory: "lib script t dev-bin"
-      - name: install perlnitpick
-        run: cpanm --notest --quiet App::PerlNitpick
       - name: run perlnitpick
         run: perlnitpick --inplace --rules=RemoveTrailingWhitespace,RemoveUnusedVariables,RemoveUnusedInclude,RemoveUnusedImport .
       - name: suggester