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pre-commit-action/action.yml
Tom Cammann f151909a1b
Pin actions/cache to SHA
Pin the action/cache action in action.yml to a specific SHA, this change will allow usage of the pre-commit action when enforcement of SHA pinning on actions is set[1]. SHA pinning helps prevent supply chain attacks as versions/releases of actions are not immutable and can be updated at any time. Pinning to a SHA makes the release immutable from the consumer perspective.

SHA pinning enforcement applies to downstream dependencies, i.e. if I include pre-commit/action in my workflows I cannot use SHA pinning because actions/cache is currently unpinned.

[1] https://github.blog/changelog/2025-08-15-github-actions-policy-now-supports-blocking-and-sha-pinning-actions/#enforce-sha-pinning
2025-08-18 10:42:24 +01:00

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YAML

name: pre-commit
description: run pre-commit
inputs:
extra_args:
description: options to pass to pre-commit run
required: false
default: '--all-files'
runs:
using: composite
steps:
- run: python -m pip install pre-commit
shell: bash
- run: python -m pip freeze --local
shell: bash
- uses: actions/cache@0400d5f644dc74513175e3cd8d07132dd4860809 # v4.2.4
with:
path: ~/.cache/pre-commit
key: pre-commit-3|${{ env.pythonLocation }}|${{ hashFiles('.pre-commit-config.yaml') }}
- run: pre-commit run --show-diff-on-failure --color=always ${{ inputs.extra_args }}
shell: bash