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Revert blobless clone for k/k checkouts during stage#4339

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saschagrunert wants to merge 1 commit intokubernetes:masterfrom
saschagrunert:revert-blobless-clone
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Revert blobless clone for k/k checkouts during stage#4339
saschagrunert wants to merge 1 commit intokubernetes:masterfrom
saschagrunert:revert-blobless-clone

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@saschagrunert saschagrunert commented Mar 20, 2026

What type of PR is this?

/kind bug

What this PR does / why we need it:

Reverts commit 3d02b4a ("Use blobless clone for fresh k/k checkouts during stage"). The blobless clone (--filter=blob:none) causes git commit --allow-empty to fail during the tagging step with "invalid object" errors. The GCB cloud builder image uses git 2.30.2, which has incomplete support for partial clone tree validation. This broke mock stage runs for both release-1.35 and release-1.34.

Which issue(s) this PR fixes:

None

Special notes for your reviewer:

Confirmed that reverting to a full clone fixes the issue. The blobless clone optimization can be revisited once the cloud builder image ships a newer git version.

Does this PR introduce a user-facing change?

NONE

@k8s-ci-robot k8s-ci-robot added kind/bug Categorizes issue or PR as related to a bug. do-not-merge/release-note-label-needed Indicates that a PR should not merge because it's missing one of the release note labels. labels Mar 20, 2026
@k8s-ci-robot k8s-ci-robot requested a review from jimangel March 20, 2026 13:27
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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: saschagrunert

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@k8s-ci-robot k8s-ci-robot requested a review from salaxander March 20, 2026 13:27
@k8s-ci-robot k8s-ci-robot added area/release-eng Issues or PRs related to the Release Engineering subproject approved Indicates a PR has been approved by an approver from all required OWNERS files. sig/release Categorizes an issue or PR as relevant to SIG Release. size/M Denotes a PR that changes 30-99 lines, ignoring generated files. cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. release-note-none Denotes a PR that doesn't merit a release note. and removed do-not-merge/release-note-label-needed Indicates that a PR should not merge because it's missing one of the release note labels. labels Mar 20, 2026
@saschagrunert saschagrunert deleted the revert-blobless-clone branch March 20, 2026 13:43
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approved Indicates a PR has been approved by an approver from all required OWNERS files. area/release-eng Issues or PRs related to the Release Engineering subproject cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. kind/bug Categorizes issue or PR as related to a bug. needs-priority release-note-none Denotes a PR that doesn't merit a release note. sig/release Categorizes an issue or PR as relevant to SIG Release. size/M Denotes a PR that changes 30-99 lines, ignoring generated files.

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