From b1cea36dfa47ffcf3e631b274f702ca160322371 Mon Sep 17 00:00:00 2001 From: "Simon L." Date: Fri, 30 Jan 2026 11:30:59 +0100 Subject: [PATCH 1/2] add a workflow that blocks merging if a pre-release was published Signed-off-by: Simon L. --- .github/workflows/fail-on-prerelease.yml | 50 ++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 .github/workflows/fail-on-prerelease.yml diff --git a/.github/workflows/fail-on-prerelease.yml b/.github/workflows/fail-on-prerelease.yml new file mode 100644 index 00000000..5efbe242 --- /dev/null +++ b/.github/workflows/fail-on-prerelease.yml @@ -0,0 +1,50 @@ +name: Fail on prerelease + +on: + pull_request: + +permissions: + contents: read + +jobs: + check-latest-release: + runs-on: ubuntu-latest + steps: + - name: "Check latest published release isn't a prerelease" + uses: actions/github-script@d7906e4ad0b1822421a7e6a35d5ca353c962f410 # v6 + with: + script: | + const tags = await github.rest.repos.listTags({ + owner: context.repo.owner, + repo: context.repo.repo, + per_page: 1 + }); + + if (!tags.data || tags.data.length === 0) { + core.info('No tags found for this repository; skipping prerelease check.'); + return; + } + + const latestTag = tags.data[0].name; + core.info(`Latest tag found: ${latestTag}`); + + try { + const { data } = await github.rest.repos.getReleaseByTag({ + owner: context.repo.owner, + repo: context.repo.repo, + tag: latestTag + }); + + if (data.prerelease) { + core.setFailed(`Release for tag ${latestTag} (${data.tag_name}) is a prerelease. Blocking merges to main as we need to wait for the prerelease to become stable.`); + } else { + core.info(`Release for tag ${latestTag} (${data.tag_name}) is not a prerelease.`); + } + + } catch (err) { + if (err.status === 404) { + core.info(`No release found for tag ${latestTag}; skipping prerelease check.`); + } else { + throw err; + } + } From dae8102088335542bcb789bcd9fbfe5d9e085512 Mon Sep 17 00:00:00 2001 From: "Simon L." Date: Fri, 30 Jan 2026 15:00:48 +0100 Subject: [PATCH 2/2] rename name of workflow Signed-off-by: Simon L. --- .github/workflows/fail-on-prerelease.yml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/.github/workflows/fail-on-prerelease.yml b/.github/workflows/fail-on-prerelease.yml index 5efbe242..12a288bb 100644 --- a/.github/workflows/fail-on-prerelease.yml +++ b/.github/workflows/fail-on-prerelease.yml @@ -1,4 +1,4 @@ -name: Fail on prerelease +name: Block if prerelease is present on: pull_request: