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perf(ci): cache uv + .venv to skip rebuild on every run #22221

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perf(ci): cache uv + .venv to skip rebuild on every run #22221

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perf(ci): cache uv + .venv to skip rebuild on every run
wesleysimplicio May 9, 2026
3837704
ci(tests): split uv download cache from .venv cache and gate install
wesleysimplicio May 9, 2026
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36 changes: 36 additions & 0 deletions .github/workflows/tests.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -34,10 +34,28 @@ jobs:
- name: Install uv
uses: astral-sh/setup-uv@d4b2f3b6ecc6e67c4457f6d3e41ec42d3d0fcb86 # v5

- name: Cache uv download cache
uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 # v4
with:
path: ~/.cache/uv
key: ${{ runner.os }}-py3.11-uv-cache-${{ hashFiles('pyproject.toml', 'uv.lock') }}
restore-keys: |
${{ runner.os }}-py3.11-uv-cache-

- name: Cache .venv
id: cache-venv
uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 # v4
with:
path: .venv
# Strict key only — no restore-keys, since pip/uv installs don't
# reliably prune removed deps and a stale venv breaks builds.
key: ${{ runner.os }}-py3.11-venv-${{ hashFiles('pyproject.toml', 'uv.lock') }}

- name: Set up Python 3.11
run: uv python install 3.11

- name: Install dependencies
if: steps.cache-venv.outputs.cache-hit != 'true'
run: |
uv venv .venv --python 3.11
source .venv/bin/activate
Expand All @@ -63,10 +81,28 @@ jobs:
- name: Install uv
uses: astral-sh/setup-uv@d4b2f3b6ecc6e67c4457f6d3e41ec42d3d0fcb86 # v5

- name: Cache uv download cache
uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 # v4
with:
path: ~/.cache/uv
key: ${{ runner.os }}-py3.11-uv-cache-${{ hashFiles('pyproject.toml', 'uv.lock') }}
restore-keys: |
${{ runner.os }}-py3.11-uv-cache-

- name: Cache .venv
id: cache-venv
uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 # v4
with:
path: .venv
# Strict key only — no restore-keys, since pip/uv installs don't
# reliably prune removed deps and a stale venv breaks builds.
key: ${{ runner.os }}-py3.11-venv-${{ hashFiles('pyproject.toml', 'uv.lock') }}

- name: Set up Python 3.11
run: uv python install 3.11

- name: Install dependencies
if: steps.cache-venv.outputs.cache-hit != 'true'
run: |
uv venv .venv --python 3.11
source .venv/bin/activate
Expand Down