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ci: fix cargo cache eviction — rust-cache, per-suite e2e keys, main-only saves #121

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85 changes: 49 additions & 36 deletions .github/workflows/ci.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -25,14 +25,16 @@ jobs:
run: rustup show

- name: Cache cargo
uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
# Swatinem/rust-cache instead of a raw actions/cache of the whole
# target/ dir: it prunes the cache to dependency artifacts (~5-10x
# smaller), which keeps this repo's total cache footprint inside
# GitHub's 10 GiB budget — previously a single main run produced
# ~8 GiB of caches and every PR save evicted them (cold e2e legs
# recompiled the full ~275-crate graph each run). save-if restricts
# writes to main so PR branches restore without churning the budget.
uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
with:
path: |
~/.cargo/registry
~/.cargo/git
target
key: ubuntu-latest-cargo-clippy-${{ hashFiles('**/Cargo.lock') }}
restore-keys: ubuntu-latest-cargo-clippy-
save-if: ${{ github.ref == 'refs/heads/main' }}

- name: Run clippy
run: cargo clippy --workspace --all-features -- -D warnings
Expand Down Expand Up @@ -82,14 +84,16 @@ jobs:
run: rustup show

- name: Cache cargo
uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
# Swatinem/rust-cache instead of a raw actions/cache of the whole
# target/ dir: it prunes the cache to dependency artifacts (~5-10x
# smaller), which keeps this repo's total cache footprint inside
# GitHub's 10 GiB budget — previously a single main run produced
# ~8 GiB of caches and every PR save evicted them (cold e2e legs
# recompiled the full ~275-crate graph each run). save-if restricts
# writes to main so PR branches restore without churning the budget.
uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
with:
path: |
~/.cargo/registry
~/.cargo/git
target
key: ${{ matrix.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
restore-keys: ${{ matrix.os }}-cargo-
save-if: ${{ github.ref == 'refs/heads/main' }}

- name: Build
run: cargo build --workspace --all-features
Expand Down Expand Up @@ -138,14 +142,16 @@ jobs:
run: rustup show

- name: Cache cargo
uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
# Swatinem/rust-cache instead of a raw actions/cache of the whole
# target/ dir: it prunes the cache to dependency artifacts (~5-10x
# smaller), which keeps this repo's total cache footprint inside
# GitHub's 10 GiB budget — previously a single main run produced
# ~8 GiB of caches and every PR save evicted them (cold e2e legs
# recompiled the full ~275-crate graph each run). save-if restricts
# writes to main so PR branches restore without churning the budget.
uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
with:
path: |
~/.cargo/registry
~/.cargo/git
target
key: ubuntu-latest-cargo-release-${{ hashFiles('**/Cargo.lock') }}
restore-keys: ubuntu-latest-cargo-release-
save-if: ${{ github.ref == 'refs/heads/main' }}

- name: Run tests (release)
run: cargo test --workspace --all-features --release
Expand Down Expand Up @@ -181,14 +187,16 @@ jobs:
tool: cargo-llvm-cov@0.8.7

- name: Cache cargo
uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
# Swatinem/rust-cache instead of a raw actions/cache of the whole
# target/ dir: it prunes the cache to dependency artifacts (~5-10x
# smaller), which keeps this repo's total cache footprint inside
# GitHub's 10 GiB budget — previously a single main run produced
# ~8 GiB of caches and every PR save evicted them (cold e2e legs
# recompiled the full ~275-crate graph each run). save-if restricts
# writes to main so PR branches restore without churning the budget.
uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
with:
path: |
~/.cargo/registry
~/.cargo/git
target
key: ubuntu-latest-cargo-coverage-${{ hashFiles('**/Cargo.lock') }}
restore-keys: ubuntu-latest-cargo-coverage-
save-if: ${{ github.ref == 'refs/heads/main' }}

- name: Run tests with coverage
# Two-step pattern: `--no-report` runs instrumented tests and
Expand Down Expand Up @@ -519,14 +527,19 @@ jobs:
run: rustup show

- name: Cache cargo
uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
with:
path: |
~/.cargo/registry
~/.cargo/git
target
key: ${{ matrix.os }}-cargo-e2e-${{ hashFiles('**/Cargo.lock') }}
restore-keys: ${{ matrix.os }}-cargo-e2e-
# Swatinem/rust-cache instead of a raw actions/cache of the whole
# target/ dir: it prunes the cache to dependency artifacts (~5-10x
# smaller), which keeps this repo's total cache footprint inside
# GitHub's 10 GiB budget — previously a single main run produced
# ~8 GiB of caches and every PR save evicted them (cold e2e legs
# recompiled the full ~275-crate graph each run). save-if restricts
# writes to main so PR branches restore without churning the budget.
uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
with:
# Matrix suites otherwise collide on one key: only one of the ~9
# same-OS legs wins the cache reserve and the rest fail to save.
key: ${{ matrix.suite }}
save-if: ${{ github.ref == 'refs/heads/main' }}

- name: Setup Node.js
if: matrix.suite == 'e2e_npm' || matrix.suite == 'e2e_scan' || matrix.suite == 'e2e_safety_pnpm'
Expand Down
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