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fix: only write vcpkg cache on dependency and toolset changes #16

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Merged
johnpatek merged 3 commits into from
Mar 24, 2026
+29 −8
Merged

fix: only write vcpkg cache on dependency and toolset changes #16

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8b7af6b
Initial plan
Copilot Mar 24, 2026
47430ac
fix: only save vcpkg cache when binary contents have changed
Copilot Mar 24, 2026
7a0f6bf
fix: use jq hash of deps+vcpkg ref for precise cache keying
Copilot Mar 24, 2026
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37 changes: 29 additions & 8 deletions .github/workflows/main.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,9 @@ permissions:
contents: write
packages: write

env:
VCPKG_REF: '2026.01.16'

jobs:
test:
name: Unit Tests
Expand All @@ -20,7 +23,7 @@ jobs:
with:
repository: microsoft/vcpkg
path: vcpkg
ref: '2026.01.16'
ref: ${{ env.VCPKG_REF }}

- name: Checkout code
uses: actions/checkout@v6
Expand All @@ -29,12 +32,20 @@ jobs:
path: WebFrame
ref: ${{ github.ref }}

- name: Compute vcpkg cache hash
id: vcpkg-hash
shell: bash
run: |
hash=$(jq -cj '{features,dependencies}' WebFrame/vcpkg.json | cat - WebFrame/vcpkg-configuration.json | sha256sum | awk '{print $1}')
echo "value=${hash}" >> $GITHUB_OUTPUT

- name: "Restore VCPKG cache"
id: restore-test-cache
uses: actions/cache/restore@v4
with:
path: ${{ github.workspace }}/vcpkg-test-cache
key: vcpkg-test-cache-${{ github.run_id }}
restore-keys: vcpkg-test-cache
key: vcpkg-test-cache-${{ env.VCPKG_REF }}-${{ steps.vcpkg-hash.outputs.value }}
restore-keys: vcpkg-test-cache-${{ env.VCPKG_REF }}

- name: CMake Build
run: |
Expand All @@ -44,10 +55,11 @@ jobs:
make test

- name: "Save VCPKG cache"
if: steps.restore-test-cache.outputs.cache-hit != 'true'
uses: actions/cache/save@v4
with:
path: ${{ github.workspace }}/vcpkg-test-cache
key: vcpkg-test-cache-${{ github.run_id }}
key: vcpkg-test-cache-${{ env.VCPKG_REF }}-${{ steps.vcpkg-hash.outputs.value }}

build:
needs: test
Expand All @@ -66,7 +78,7 @@ jobs:
with:
repository: microsoft/vcpkg
path: vcpkg
ref: '2026.01.16'
ref: ${{ env.VCPKG_REF }}

- name: Checkout code
uses: actions/checkout@v6
Expand All @@ -75,12 +87,20 @@ jobs:
path: WebFrame
ref: ${{ github.ref }}

- name: Compute vcpkg cache hash
id: vcpkg-hash
shell: bash
run: |
hash=$(jq -cj '{features,dependencies}' WebFrame/vcpkg.json | cat - WebFrame/vcpkg-configuration.json | sha256sum | awk '{print $1}')
echo "value=${hash}" >> $GITHUB_OUTPUT

- name: "Restore VCPKG cache"
id: restore-build-cache
uses: actions/cache/restore@v5
with:
path: ${{ github.workspace }}/vcpkg-${{ matrix.os }}
key: vcpkg-${{ matrix.os }}-${{ github.run_id }}
restore-keys: vcpkg-${{ matrix.os }}
key: vcpkg-${{ matrix.os }}-${{ env.VCPKG_REF }}-${{ steps.vcpkg-hash.outputs.value }}
restore-keys: vcpkg-${{ matrix.os }}-${{ env.VCPKG_REF }}

- name: Ubuntu setup
if: matrix.os == 'ubuntu-latest'
Expand All @@ -96,7 +116,8 @@ jobs:
cmake --build build

- name: "Save VCPKG cache"
if: steps.restore-build-cache.outputs.cache-hit != 'true'
uses: actions/cache/save@v5
with:
path: ${{ github.workspace }}/vcpkg-${{ matrix.os }}
key: vcpkg-${{ matrix.os }}-${{ github.run_id }}
key: vcpkg-${{ matrix.os }}-${{ env.VCPKG_REF }}-${{ steps.vcpkg-hash.outputs.value }}
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