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6356f18f09
The guidelines for git commit ID abbreviation are inconsistent: some
places state to use 12 characters exactly, while other places recommend
12 characters or more. The same issue is present in the checkpatch.pl
script.
E.g. Documentation/dev-tools/checkpatch.rst says:
**GIT_COMMIT_ID**
The proper way to reference a commit id is:
commit <12+ chars of sha1> ("<title line>")
However, scripts/checkpatch.pl has two different checks: one warning
check accepting 12 characters exactly:
# Check Fixes: styles is correct
Please use correct Fixes: style 'Fixes: <12 chars of sha1> (\"<title line>\")'
and a second error check accepting 12-40 characters:
# Check for git id commit length and improperly formed commit descriptions
# A correctly formed commit description is:
# commit <SHA-1 hash length 12+ chars> ("Complete commit subject")
Please use git commit description style 'commit <12+ chars of sha1>
Hence patches containing commit IDs with more than 12 characters are
flagged by checkpatch, and sometimes rejected by maintainers or
reviewers. This is becoming more important with the growth of the
repository, as git may decide to use more characters in case of local
conflicts.
Fix this by settling on at least 12 characters, in both the
documentation and in the checkpatch.pl script.
Fixes:
|
||
|---|---|---|
| .. | ||
| debugging | ||
| 1.Intro.rst | ||
| 2.Process.rst | ||
| 3.Early-stage.rst | ||
| 4.Coding.rst | ||
| 5.Posting.rst | ||
| 6.Followthrough.rst | ||
| 7.AdvancedTopics.rst | ||
| 8.Conclusion.rst | ||
| adding-syscalls.rst | ||
| applying-patches.rst | ||
| backporting.rst | ||
| botching-up-ioctls.rst | ||
| changes.rst | ||
| code-of-conduct-interpretation.rst | ||
| code-of-conduct.rst | ||
| coding-style.rst | ||
| contribution-maturity-model.rst | ||
| cve.rst | ||
| deprecated.rst | ||
| development-process.rst | ||
| email-clients.rst | ||
| embargoed-hardware-issues.rst | ||
| handling-regressions.rst | ||
| howto.rst | ||
| index.rst | ||
| kernel-docs.rst | ||
| kernel-driver-statement.rst | ||
| kernel-enforcement-statement.rst | ||
| license-rules.rst | ||
| maintainer-handbooks.rst | ||
| maintainer-kvm-x86.rst | ||
| maintainer-netdev.rst | ||
| maintainer-pgp-guide.rst | ||
| maintainer-soc-clean-dts.rst | ||
| maintainer-soc.rst | ||
| maintainer-tip.rst | ||
| maintainers.rst | ||
| management-style.rst | ||
| programming-language.rst | ||
| researcher-guidelines.rst | ||
| security-bugs.rst | ||
| stable-api-nonsense.rst | ||
| stable-kernel-rules.rst | ||
| submit-checklist.rst | ||
| submitting-patches.rst | ||
| volatile-considered-harmful.rst | ||