ocm-ci-fastforward-multiple: clean up stale Tekton files <= LAST_RELEASE_VERSION - #83828
ocm-ci-fastforward-multiple: clean up stale Tekton files <= LAST_RELEASE_VERSION#83828dislbenn wants to merge 3 commits into
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…ASE_VERSION create_tekton_files() and transform_tekton_files() both use the LAST_RELEASE_VERSION Tekton files as a template/fallback when creating new versions, but never removed the old template afterward. This left stale Tekton files (e.g. acm-50-*.yaml) accumulating on branches after new versions (5.1, 5.2, ...) were created or fast-forwarded along. Add three shared helpers: - compare_versions: numeric major.minor comparison - tekton_file_version_compare: compares a Tekton file's embedded version against a target, preferring the semantic version found in the file content (release-X.Y / backplane-X.Y) since compact filename versions (e.g. "217" vs "50") don't sort correctly once a minor version reaches double digits - cleanup_stale_tekton_files: removes (git rm) any Tekton file whose version is <= a given max_version create_tekton_files() now removes files <= LAST_RELEASE_VERSION after creating the requested destination versions. transform_tekton_files() now sweeps up any remaining files <= LAST_RELEASE_VERSION after renaming the exact source version, covering stragglers that rode along via fast-forward. Both functions' early-exit guards and commit/PR messages were updated to account for cleanup-only changes (no new files created, but stale files removed).
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WalkthroughThe fast-forward script now reports failed stale Tekton file removals. Tekton transformation and creation stop when cleanup fails. Successful removal counts remain part of no-op detection and change reporting. ChangesTekton cleanup failure handling
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: 🟡 Moderate · up to When all requested versions already exist, the cleanup path can exit without removing older Tekton files, leaving stale repository contents despite reporting success. This bounded correctness issue should be fixed before merge. Suggested reviewers: 🚥 Pre-merge checks | ✅ 15✅ Passed checks (15 passed)
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Inline comments:
In
`@ci-operator/step-registry/ocm/ci/fastforward-multiple/ocm-ci-fastforward-multiple-commands.sh`:
- Around line 216-220: Update cleanup_stale_tekton_files to track failed git rm
operations and return nonzero when any removal fails, while preserving the
existing warning output. At
ci-operator/step-registry/ocm/ci/fastforward-multiple/ocm-ci-fastforward-multiple-commands.sh:216-220,
record failures; at :360-363 and :914-919, make both callers stop before
reporting success, committing, pushing, or creating a PR when
cleanup_stale_tekton_files fails.
- Around line 164-177: Update the version-comparison flow around
compare_versions to use one canonical semantic parser for compact filename
versions, preserving component boundaries so values such as 2.17 compare older
than 5.0. Make extraction of the embedded branch reference tolerate missing
matches under set -euo pipefail, allowing the fallback to execute, and add a
regression case covering a filename without a branch reference.
Apply the same fix in
`@ci-operator/step-registry/ocm/ci/fastforward-multiple/ocm-ci-fastforward-multiple-commands.sh`
at line 157.
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/retest |
Previously, cleanup_stale_tekton_files() would log a WARNING and
continue silently if `git rm` failed for a stale file, potentially
reporting cleanup as successful in commit messages and PR bodies even
though some files were left behind.
Now cleanup_stale_tekton_files() returns both the removed and failed
counts ("<removed> <failed>"), and both callers (transform_tekton_files
and create_tekton_files) abort with an error if any removal failed,
rather than silently proceeding.
Addresses CodeRabbit feedback on PR openshift#83828.
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Actionable comments posted: 1
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Inline comments:
In
`@ci-operator/step-registry/ocm/ci/fastforward-multiple/ocm-ci-fastforward-multiple-commands.sh`:
- Around line 927-939: The create_tekton_files flow must perform stale Tekton
file cleanup before the all_versions_exist early exit. Update the control flow
around create_tekton_files and cleanup_stale_tekton_files so existing requested
versions still trigger deletion of older files, staging, commit, push, and PR
creation as needed, while preserving the success path when no cleanup is
required. Add a regression case covering all requested versions already existing
alongside an older stale file.
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1. Run stale-file cleanup even when all requested versions already exist (Moderate risk, flagged as blocking merge) create_tekton_files() had an early-exit guard that returned as soon as every requested destination version already existed on default_branch, only tidying up an obsolete PR branch. This skipped cleanup_stale_tekton_files() entirely, so files <= LAST_RELEASE_VERSION could persist indefinitely as long as no new destination version needed to be created. The per-version file-creation loop already no-ops correctly (via continue) for versions that already exist, and the "no new files" handling after cleanup already closes obsolete PRs/branches based on an actual diff against default_branch. Removing the redundant early-exit lets execution fall through to cleanup and the existing diff-based PR/branch handling, which is simpler and strictly more correct. The PR-closing courtesy message from the removed block was preserved by moving it into the diff-based "branch is identical to default" path, so it now also covers the case where an obsolete PR remains open with a stale branch. 2. Fix compact-filename version comparison in the no-embedded-version fallback path of tekton_file_version_compare() When a Tekton file has no embedded release-X.Y/backplane-X.Y reference, the function fell back to comparing compact filename versions (e.g. "217", "50") as plain concatenated integers. This misorders versions once a minor version reaches double digits: 217 (2.17) > 50 (5.0) numerically, incorrectly treating 2.17 as newer than 5.0. Now the fallback parses major.minor out of the compact form (reusing the digit-count convention already used elsewhere in this script, and the hyphen-delimited globalhub form directly) and compares via the shared compare_versions helper. Also guard the semantic-version grep|head|cut pipeline with "|| true". This script only sets "set -uo pipefail" (no errexit), so a no-match grep exiting 1 does not currently terminate execution here, but the guard makes that explicit and keeps the code correct if errexit is ever added.
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Problem
create_tekton_files()andtransform_tekton_files()both use theLAST_RELEASE_VERSIONTekton files as a template/fallback when creating new destination versions, but never removed the old template afterward. This left stale Tekton files (e.g.acm-50-*.yaml) accumulating on branches after new versions (5.1, 5.2, ...) were created or fast-forwarded along, e.g.mainending up withacm-50-,acm-51-, andacm-52-files instead of justacm-51-andacm-52-.Fix
Added three shared helpers to
ocm-ci-fastforward-multiple-commands.sh:compare_versions— numeric major.minor comparison of twoX.Yversion stringstekton_file_version_compare— compares a Tekton file's embedded version against a target version, preferring the semantic version found in the file content (release-X.Y/backplane-X.Y) since compact filename versions (e.g."217"vs"50") don't sort correctly once a minor version reaches double digits (mirrors the existingget_highest_tekton_versionapproach). Falls back to comparing the compact filename version numerically when no semantic version can be extracted.cleanup_stale_tekton_files—git rms any Tekton file whose version is<= max_version, returns the removed count via stdout (logging goes to stderr so it doesn't pollute the captured count)create_tekton_files(): after creating the requested destination versions, removes any remaining files<= LAST_RELEASE_VERSION.transform_tekton_files(): after renaming the exact source version viagit mv, sweeps up any remaining files<= LAST_RELEASE_VERSION— covering stragglers that rode along via fast-forward (e.g. a branch that fast-forwarded before the corresponding cleanup PR was merged).Both functions' early-exit guards and commit/PR messages were updated to account for cleanup-only changes (no new files created, but stale files removed).
Testing
bash -nsyntax check passesshellcheck --severity=warningreports no new warningsacm-40-,acm-50-,acm-51-) with semantic version content — correctly removes<= 5.0, keeps5.1acm-217-(2.17) vs target5.0— correctly recognized as older via semantic-version extraction (a naive"217" <= "50"integer/string compare would get this backwards)globalhubhyphenated version format (5-0) — correctly parsed and comparedFollow-up (not in this PR)
Protected-branch push handling (e.g.
release-5.2requiring PRs) currently causes a directgit pushfailure (GH006) infastforward_repo(). Will be addressed in a separate PR.Summary by CodeRabbit
Updates
ocm-ci-fastforward-multipleto remove stale Tekton files at or belowLAST_RELEASE_VERSION. The cleanup applies to new templates and files introduced during fast-forward transformations.Adds helpers for numeric version comparison, semantic-version parsing, filename fallback handling, and stale-file removal with
git rm.Cleanup failures now abort creation or transformation. Logs, commit messages, pull request descriptions, and early-exit checks report cleanup-only changes correctly. Validation includes
bash -n, ShellCheck, and manual version-parsing tests.