Waste detected
Biggest wins first, each with the exact config fix.
No concurrency control · lint
Add a `concurrency:` block keyed on branch to cancel superseded runs when devs push twice quickly.
concurrency:
group: ${{ github.workflow }}-${{ github.ref }}
cancel-in-progress: trueAlso found: 3 more config fixes with negligible recoverable minutes — timeouts, retention, path filters
No job timeout · lint
No job sets `timeout-minutes`, so a hung step can run to GitHub's 6-hour default. Add `timeout-minutes` to each job.
jobs:
build:
runs-on: ubuntu-latest
timeout-minutes: 15No path filters on triggers · lint
Runs on every push/PR with no `paths:` filter, so docs-only changes still trigger full CI. Add a `paths:` filter if that's common.
on:
pull_request:
paths:
- 'src/**'
- 'package.json'System packages reinstalled every run · lint
System packages install from the network on every run with no cache. Cache them (cache-apt-pkgs-action) or check whether the runner image already has the tool.
- uses: awalsh128/cache-apt-pkgs-action@latest
with:
packages: <your packages>
version: 1.0Copy every fix as one block (4 snippets, annotated per workflow)
# No concurrency control — applies to: lint
concurrency:
group: ${{ github.workflow }}-${{ github.ref }}
cancel-in-progress: true
# No job timeout — applies to: lint
jobs:
build:
runs-on: ubuntu-latest
timeout-minutes: 15
# No path filters on triggers — applies to: lint
on:
pull_request:
paths:
- 'src/**'
- 'package.json'
# System packages reinstalled every run — applies to: lint
- uses: awalsh128/cache-apt-pkgs-action@latest
with:
packages: <your packages>
version: 1.0Each snippet is representative — merge into the named workflow files rather than pasting wholesale.
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