saru
3e8d61a92b
Each run gets a fresh per-run workspace (~/.cache/act/<hash>/hostexecutor), so embedding the absolute path meant the next run restored into a stale workspace and the cache never actually sped up a build. Save with -C <parent> <basename> so entries are <basename>/... and restores can extract into the run's own path input location.
55 lines
1.8 KiB
YAML
55 lines
1.8 KiB
YAML
name: 'Cache Save'
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description: 'Save cache as tar.xz archive on the runner filesystem'
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inputs:
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path:
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description: 'Directory to cache'
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required: false
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default: ${{ github.workspace }}
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key-prefix:
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description: 'Prefix for the cache key'
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required: true
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key-file:
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description: 'File to hash for the cache key'
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required: true
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runs:
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using: "composite"
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steps:
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- name: Save cache
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shell: bash
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run: |
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CACHE_DIR="$HOME/.cache/.cache-store"
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mkdir -p "$CACHE_DIR"
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KEY_HASH=$(sha256sum "${{ inputs.key-file }}" | awk '{print $1}')
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CACHE_KEY="${{ inputs.key-prefix }}-${KEY_HASH}"
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ARCHIVE="${CACHE_DIR}/${CACHE_KEY}.tar.xz"
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EXPANDED_PATH=$(eval echo "${{ inputs.path }}")
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echo "Key file: ${{ inputs.key-file }}"
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echo "Path input: ${{ inputs.path }}"
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echo "Expanded path: ${EXPANDED_PATH}"
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echo "Archive path: ${ARCHIVE}"
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if [ ! -d "$EXPANDED_PATH" ] || [ -z "$(ls -A "$EXPANDED_PATH" 2>/dev/null)" ]; then
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echo "Cache directory empty, skipping save"
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exit 0
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fi
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echo "Saving cache: ${CACHE_KEY}"
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# Archive only the directory itself (entries: <basename>/...), not its
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# absolute path, so a later run can restore it into its own (per-run)
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# workspace location. Restores use the same `path` input to find it.
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PARENT="$(dirname "$EXPANDED_PATH")"
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BASE="$(basename "$EXPANDED_PATH")"
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TMP_ARCHIVE="${ARCHIVE}.tmp"
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if tar -cJf "$TMP_ARCHIVE" -C "$PARENT" "$BASE" 2>/dev/null && mv -f "$TMP_ARCHIVE" "$ARCHIVE"; then
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echo "Cache saved"
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else
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rm -f "$TMP_ARCHIVE"
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echo "Cache save failed"
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fi
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# Trim the shared cache store and stale workspaces (best-effort)
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bash "${{ github.action_path }}/prune.sh" || true
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