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fix: key melange cache by cargo profile #68

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Merged
falcorocks merged 1 commit into from
Oct 9, 2026
Merged

fix: key melange cache by cargo profile #68

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15 changes: 12 additions & 3 deletions .github/workflows/melange-build.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -220,9 +220,17 @@ jobs:
steps.cache-policy.outputs.restore == 'true' ||
steps.cache-policy.outputs.save == 'true'
id: cache-key
env:
CARGO_PROFILE: ${{ inputs.cargo-profile }}
run: |
set -euo pipefail
key="melange-v2-${{ inputs.stack }}-${{ inputs.arch }}"
# Builds under different cargo profiles share no target/ artifacts, so
# a cache saved by one profile is dead weight for another. The '.'
# terminator cannot appear in a cargo profile name, so the restore
# prefix for one profile never matches another it is a prefix of
# (release vs release-perf).
prefix="melange-v2-${{ inputs.stack }}-${{ inputs.arch }}-${CARGO_PROFILE:-none}."
key="$prefix"
files="${{ inputs.cache-key-files }}"
if [ -n "$files" ]; then
IFS=',' read -ra paths <<< "$files"
Expand All @@ -238,9 +246,10 @@ jobs:
hash_inputs+=("$path")
done
if [ "${#hash_inputs[@]}" -gt 0 ]; then
key="${key}-$(sha256sum "${hash_inputs[@]}" | sha256sum | cut -d' ' -f1)"
key="${key}$(sha256sum "${hash_inputs[@]}" | sha256sum | cut -d' ' -f1)"
fi
fi
echo "prefix=$prefix" >> "$GITHUB_OUTPUT"
echo "key=$key" >> "$GITHUB_OUTPUT"

- name: Restore melange cache
Expand All @@ -251,7 +260,7 @@ jobs:
path: melange-cache
key: ${{ steps.cache-key.outputs.key }}
restore-keys: |
melange-v2-${{ inputs.stack }}-${{ inputs.arch }}-
${{ steps.cache-key.outputs.prefix }}

- name: Report restored cache
if: steps.cache-policy.outputs.restore == 'true'
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