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feat: Add support for dynamic matrix evaluation in Gitea Actions workflows (#36564)

Browse Source 
Adds dynamic matrix evaluation to Gitea Actions: a job's
`strategy.matrix` can be built from the outputs of the jobs it needs.

```yaml
jobs:
  generate:
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.set.outputs.result }}
    steps:
      - id: set
        run: echo "result=[1,2,3]" >> $GITHUB_OUTPUT

  build:
    needs: [generate]
    runs-on: ubuntu-latest
    strategy:
      matrix:
        version: ${{ fromJson(needs.generate.outputs.matrix) }}
    steps:
      - run: echo "building ${{ matrix.version }}"
```

Such a matrix cannot be expanded at planning time, so the job is planned
as a single placeholder and expanded by the job emitter once its needs
finish. Each combination is then gated by `if:` and concurrency as
usual.

- A matrix that resolves to no combination fails the job, as on GitHub.
- Expansion is capped at `MaxJobNumPerRun`.
- Workflows without a needs-dependent matrix are unaffected.

Fixes https://github.com/go-gitea/gitea/issues/25179

---------

Signed-off-by: Pascal Zimmermann <pascal.zimmermann@theiotstudio.com>
Signed-off-by: ZPascal <pascal.zimmermann@theiotstudio.com>
Co-authored-by: Claude <claude-sonnet-4-5@anthropic.com>
Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: Claude (Opus 4.8) <noreply@anthropic.com>
Co-authored-by: bircni <bircni@icloud.com>
Co-authored-by: Zettat123 <zettat123@gmail.com>
This commit is contained in:
Pascal Zimmermann
2026-07-28 17:59:00 +02:00
committed by GitHub
parent 717db275d5
commit 5672b1c4cf
20 changed files with 1252 additions and 69 deletions
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go.mod
+1 -1
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@@ -89,6 +89,7 @@ require (
github.com/prometheus/client_golang v1.24.0
github.com/quasoft/websspi v1.1.2
github.com/redis/go-redis/v9 v9.21.0
github.com/rhysd/actionlint v1.7.12
github.com/robfig/cron/v3 v3.0.1
github.com/santhosh-tekuri/jsonschema/v6 v6.0.2
github.com/sassoftware/go-rpmutils v0.4.0
@@ -244,7 +245,6 @@ require (
github.com/prometheus/common v0.70.0 // indirect
github.com/prometheus/procfs v0.21.1 // indirect
github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
github.com/rhysd/actionlint v1.7.12 // indirect
github.com/rs/xid v1.6.0 // indirect
github.com/russross/blackfriday/v2 v2.1.0 // indirect
github.com/shopspring/decimal v1.4.0 // indirect