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test: validate global cache inheritance from main#5

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test-global-cache
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test: validate global cache inheritance from main#5
mmcky wants to merge 1 commit into
mainfrom
test-global-cache

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@mmcky

@mmcky mmcky commented Nov 7, 2025

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Purpose

Test that PR branches can successfully inherit and restore caches created on the main branch.

Changes

  • Minor documentation edit to lectures/intro.md
  • No dependency or infrastructure changes

Expected Behavior

This PR should demonstrate global cache hits from the caches built on main:

Cache Restoration Expected:

  • Conda cache HIT - Restore from main's conda-Linux-{hash}-v1
  • LaTeX cache HIT - Restore from main's latex-Linux-{hash}-v1
  • Jupyter cache MISS - First build on this branch (will create local cache)

Performance Expected:

  • Conda setup: ~20-30 seconds (vs ~2-3 minutes fresh install)
  • LaTeX setup: ~20-30 seconds (vs ~2-3 minutes fresh install)
  • Overall build: Significantly faster than PR CI Migration: Use Composite Actions #4's first run

Testing Strategy

This is part of the progressive cache testing plan:

Success Criteria

  • Conda cache restored from main branch
  • LaTeX cache restored from main branch
  • Build completes successfully with improved performance
  • Cache inheritance working as designed

Minor documentation update to validate global cache inheritance.
This PR tests that a new branch with no local cache can successfully
restore Conda and LaTeX caches from main branch.
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@mmcky mmcky mentioned this pull request Nov 7, 2025
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github-actions Bot temporarily deployed to pull request November 7, 2025 05:45 Inactive
@mmcky

mmcky commented Nov 7, 2025

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@mmcky mmcky added the in-work This indicates the PR is still in progress label Nov 7, 2025
@mmcky mmcky closed this Feb 5, 2026
@mmcky
mmcky deleted the test-global-cache branch February 5, 2026 05:40
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