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Fix empty job matrix

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This commit is contained in:
Jakub Beránek 2024-04-23 08:59:45 +02:00
parent 162892b030
commit 2632c6139d
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2 changed files with 9 additions and 0 deletions
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1
.github/workflows/ci.yml vendored
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@ -63,6 +63,7 @@ jobs:
strategy:
matrix:
include: "${{ fromJSON(needs.calculate_matrix.outputs.jobs) }}"
if: "fromJSON(needs.calculate_matrix.outputs.jobs)[0] != null"
defaults:
run:
shell: "${{ contains(matrix.os, 'windows') && 'msys2 {0}' || 'bash' }}"

8
src/ci/github-actions/ci.yml
View File

@ -373,6 +373,14 @@ jobs:
matrix:
# Check the `calculate_matrix` job to see how is the matrix defined.
include: ${{ fromJSON(needs.calculate_matrix.outputs.jobs) }}
# GitHub Actions fails the workflow if an empty list of jobs is provided to
# the workflow, so we need to skip this job if nothing was produced by
# the Python script.
#
# Unfortunately checking whether a list is empty is not possible in a nice
# way due to GitHub Actions expressions limits.
# This hack is taken from https://github.com/ferrocene/ferrocene/blob/d43edc6b7697cf1719ec1c17c54904ab94825763/.github/workflows/release.yml#L75-L82
if: fromJSON(needs.calculate_matrix.outputs.jobs)[0] != null
master:
name: master