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Keep branch-first lookup for short names and fall back to a tag only when no branch exists. Use the existing HEAD setter to peel tags and detach, and accept explicit refs/heads/ and refs/tags/ selections. Co-authored-by: GeneralTony007 <144252170+GeneralTony007@users.noreply.github.com>
Describe explicit branch and tag references, branch-first short names, and detached HEAD behavior when selecting a tag. Co-authored-by: GeneralTony007 <144252170+GeneralTony007@users.noreply.github.com>
Cover lightweight and nested annotated tags, explicit refs, branch/tag collisions, bare and transported clones, and invalid checkout cleanup. Check detached HEAD, tracking configuration and preserved remote HEAD. Co-authored-by: GeneralTony007 <144252170+GeneralTony007@users.noreply.github.com>
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Could a maintainer review this clone support for tags and explicit branch references? Please let me know whether this behavior is wanted or if changes or additional cases are needed before review. Thanks. |
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Fixes #3218.
checkout_branchcurrently treats every selection as a remote branch name, so a tag or an explicitrefs/heads/...reference cannot be selected when cloning.This keeps branch-first lookup for short names and falls back to a tag only when the branch is absent. Explicit
refs/heads/...selects only a branch; explicitrefs/tags/...selects only a tag. Tag selections use the existing HEAD setter to peel annotated tags and detach HEAD at the target commit. Normal branch tracking and the remote's default HEAD are preserved.The API documentation now describes these choices. Twelve local regression tests cover lightweight and nested annotated tags, branch/tag collisions, explicit references, bare clones, the non-optimized file transport, missing selections and non-commit tags. They also check tracking configuration, detached HEAD and cleanup on failure. Arbitrary revision expressions are not added.
Validation on Linux, based on
42a89d7cc9374a19e72fa57011e5fe3a99c7b3bf:ENABLE_WERROR=ONpass. HTTPS, SSH, NTLM and Negotiate were disabled because their development dependencies are unavailable here.clone.c, seven positive regression cases fail and five control cases pass.bad_urlswas not included because its network attempts timed out.-xonline -xclone::nonetwork) reports 3,103 executions, 45 skips and no failures. The same Debug selection has onestructinitpadding failure, reproduced after restoring the originalclone.c.No shallow HTTP/SSH, Windows or macOS validation is claimed.