ci: use cpanm for Perl matrix to fix 5.16-5.22#393
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cpm's main branch now requires Perl 5.24+, breaking CI for Perl 5.16-5.22 in the docker container matrix. Switch to cpanm which works on all supported Perl versions. Only the linux matrix job is changed — the ubuntu and disttest jobs use system Perl (5.34+) where cpm still works fine. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This was referenced May 8, 2026
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What
Switch the linux Perl matrix job from
install-with-cpmtoinstall-with-cpanm.Why
cpm's
mainbranch now requires Perl 5.24+, which breaks dependency installationfor Perl 5.16, 5.18, 5.20, and 5.22 in CI. All 4 versions fail at the
"Install Dependencies" step with:
cpanm has no such minimum version requirement and works on all supported Perls.
How
One-line change in
.github/workflows/testsuite.yml:install-with-cpm@v1→install-with-cpanm@v1for the container matrix job only. The
ubuntuanddisttestjobs (system Perl 5.34+) still use cpm.Testing
CI should go green on 5.16-5.22 once this merges. 5.24+ were already passing.
🤖 Generated with Claude Code
Quality Report
Changes: 1 file changed, 1 insertion(+), 1 deletion(-)
Code scan: clean
Tests: passed (OK)
Branch hygiene: clean
Generated by Kōan post-mission quality pipeline