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ci: run install tests in parallel on macOS and Linux#551

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worktree-install-tests
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ci: run install tests in parallel on macOS and Linux#551
zimeg wants to merge 3 commits into
worktree-linux-arm64from
worktree-install-tests

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@zimeg zimeg commented May 18, 2026

Summary

  • Split install tests into a separate matrix job running in parallel with lints/unit tests
  • Runs on both macos-latest and ubuntu-latest to validate install scripts on both platforms
  • Removes install tests from the main lint-test job to speed up the critical path

Test plan

  • Verify install-tests job runs successfully on macOS
  • Verify install-tests job runs successfully on Ubuntu
  • Verify lint-test job still passes without install tests step

🤖 Generated with Claude Code

Co-Authored-By: Claude svc-devxp-claude@slack-corp.com

Split install tests into a separate matrix job that runs in parallel
with lints and unit tests on both macOS and Ubuntu.

Co-Authored-By: Claude <svc-devxp-claude@slack-corp.com>
@zimeg zimeg requested a review from a team as a code owner May 18, 2026 18:52
@zimeg zimeg marked this pull request as draft May 18, 2026 18:53
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codecov Bot commented May 18, 2026

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 71.66%. Comparing base (9a2e85e) to head (8990f22).

Additional details and impacted files
@@                  Coverage Diff                  @@
##           worktree-linux-arm64     #551   +/-   ##
=====================================================
  Coverage                 71.66%   71.66%           
=====================================================
  Files                       225      225           
  Lines                     19080    19080           
=====================================================
  Hits                      13674    13674           
  Misses                     4201     4201           
  Partials                   1205     1205           

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zimeg and others added 2 commits May 18, 2026 13:07
macOS runners are slower and more expensive with no benefit for
linting, unit tests, or health score reporting.

Co-Authored-By: Claude <svc-devxp-claude@slack-corp.com>
Co-Authored-By: Claude <svc-devxp-claude@slack-corp.com>
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zimeg commented May 18, 2026

🔭 The most recent commits were experimental in timing. We find:

  • Linux - Lints+Tests: 3:15 minutes
  • MacOS - Lints+Tests: 2:18 minutes

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