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ci: Dynamically fetch Flutter versions for the CI test matrix instead… #1929

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ci: Dynamically fetch Flutter versions for the CI test matrix instead… #1929

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ci: Dynamically fetch Flutter versions for the CI test matrix instead…
vicajilau Dec 19, 2025
6def2e9
ci: update Flutter version fetching to select 5 most recent unique ma…
vicajilau Dec 19, 2025
462cf8f
feat: Add Dart script to fetch Flutter versions, include tests, and i…
vicajilau Dec 19, 2025
0863e61
feat: Update `parseVersions` to include 5 historical minor versions b…
vicajilau Dec 19, 2025
a31d370
fix: reduce the number of returned historic minor versions from 5 to 4
vicajilau Dec 19, 2025
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14 changes: 13 additions & 1 deletion .github/workflows/main.yml
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Expand Up @@ -7,12 +7,24 @@ on:
branches: [ master ]

jobs:
setup_flutter_versions:
runs-on: ubuntu-latest
outputs:
flutter-versions: ${{ steps.id_flutter_versions.outputs.versions }}
steps:
- name: Fetch Flutter versions
id: id_flutter_versions
run: |
VERSIONS=$(curl -s https://storage.googleapis.com/flutter_infra_release/releases/releases_linux.json | jq -c '[.releases | map(select(.channel == "stable")) | group_by(.version | split(".")[:2] | join(".")) | map(.[0]) | sort_by(.release_date) | reverse | .[:5] | map(.version)] | flatten + ["stable", "beta"]')
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@navaronbracke navaronbracke Dec 19, 2025 •
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My bash-fu isn't very strong, so just to double check that this does the following?

Grab the last 4 stable releases, taking the most recent patch version (so for example 3.35.99) and add the current "stable" + "beta" to it?

Can we move this to a script that gets its own unit test?

TIL about https://storage.googleapis.com/flutter_infra_release/releases/releases_linux.json

Also, we now test 6! stable releases, which is way mor than Flutter's own policy of "stable" - 2?

echo "versions=$VERSIONS" >> $GITHUB_OUTPUT

test_flutter_versions:
needs: setup_flutter_versions
runs-on: ubuntu-latest
strategy:
fail-fast: false
matrix:
flutter: [ '3.24.0', '3.27.0', '3.29.0', '3.32.0', '3.35.0', 'stable', 'beta' ]
flutter: ${{ fromJson(needs.setup_flutter_versions.outputs.flutter-versions) }}
name: Tests on Flutter ${{ matrix.flutter }}
steps:
- uses: actions/checkout@v4
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