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Keep the Rust build cache across tool bumps #48

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Merged
ludfjig merged 1 commit into from
Nov 10, 2026
Merged

Keep the Rust build cache across tool bumps #48

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39 changes: 38 additions & 1 deletion .github/actions/setup/action.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -85,17 +85,41 @@ runs:
shell: bash
run: sudo chown -R "$USER" "$CARGO_HOME"

- name: Read tool versions
id: tool-versions
shell: bash
run: |
source tool-versions.sh
echo "cargo-hyperlight=$CARGO_HYPERLIGHT_VERSION" >> "$GITHUB_OUTPUT"

- name: Restore Rust cache
id: rust-cache
uses: Swatinem/rust-cache@v2
with:
shared-key: ${{ inputs.HYPERVISOR }}-${{ inputs.CPU_VENDOR }}-${{ inputs.CACHE_SCOPE }}-${{ hashFiles('tool-versions.sh') }}
# cargo-hyperlight builds the dummy guest into a cached target directory.
shared-key: ${{ inputs.HYPERVISOR }}-${{ inputs.CPU_VENDOR }}-${{ inputs.CACHE_SCOPE }}-cargo-hyperlight-${{ steps.tool-versions.outputs.cargo-hyperlight }}
cache-bin: false
workspaces: |
. -> target
crates/handler-rs -> target
crates/hyperlight-dummy-guest -> target
save-if: ${{ inputs.SAVE_CACHES == 'true' }}

# Paths must match "Save Rust tools". setup-tools.sh replaces tools whose versions differ.
- name: Restore Rust tools
id: tools-cache
uses: actions/cache/restore@v6
with:
path: |
/opt/cargo/bin/cargo-hyperlight
/opt/cargo/bin/componentize-qjs
/opt/cargo/bin/hyperlight-wasm-aot
/opt/cargo/bin/oha
/opt/cargo/.crates.toml
/opt/cargo/.crates2.json
key: cargo-tools-${{ inputs.HYPERVISOR }}-${{ inputs.CPU_VENDOR }}-${{ inputs.CACHE_SCOPE }}-${{ runner.os }}-${{ runner.arch }}-${{ hashFiles('tool-versions.sh') }}
restore-keys: cargo-tools-${{ inputs.HYPERVISOR }}-${{ inputs.CPU_VENDOR }}-${{ inputs.CACHE_SCOPE }}-${{ runner.os }}-${{ runner.arch }}-

- name: Install Rust tools
shell: bash
run: |
Expand All @@ -120,6 +144,19 @@ runs:
echo "Final tool status:"
ls -la /opt/cargo/bin/

- name: Save Rust tools
if: inputs.SAVE_CACHES == 'true' && steps.tools-cache.outputs.cache-hit != 'true'
uses: actions/cache/save@v6
with:
path: |
/opt/cargo/bin/cargo-hyperlight
/opt/cargo/bin/componentize-qjs
/opt/cargo/bin/hyperlight-wasm-aot
/opt/cargo/bin/oha
/opt/cargo/.crates.toml
/opt/cargo/.crates2.json
key: ${{ steps.tools-cache.outputs.cache-primary-key }}

# - name: Setup KVM permissions
# shell: bash
# run: |
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