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Commit4536b63

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Update git-source citation in Reference.set_object
Reference.set_object explains its handling of oldbinsha by quotinga comment from refs.c in the Git source code. However, that commentnow appears in refs/files-backend.c in that codebase. This updatesthe reference so readers can look it up and find the comment in itssurrounding context.The commit to the git project's source code that moved the codethat includes that comment is:git/git@7bd9bcf
1 parent9fea488 commit4536b63

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‎git/refs/reference.py

Lines changed: 13 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -86,18 +86,19 @@ def set_object(
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super(Reference,self).set_object(object,logmsg)
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ifoldbinshaisnotNone:
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# /* from refs.c in git-source
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# * Special hack: If a branch is updated directly and HEAD
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# * points to it (may happen on the remote side of a push
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# * for example) then logically the HEAD reflog should be
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# * updated too.
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# * A generic solution implies reverse symref information,
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# * but finding all symrefs pointing to the given branch
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# * would be rather costly for this rare event (the direct
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# * update of a branch) to be worth it. So let's cheat and
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# * check with HEAD only which should cover 99% of all usage
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# * scenarios (even 100% of the default ones).
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# */
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# From refs/files-backend.c in git-source:
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# /*
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# * Special hack: If a branch is updated directly and HEAD
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# * points to it (may happen on the remote side of a push
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# * for example) then logically the HEAD reflog should be
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# * updated too.
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# * A generic solution implies reverse symref information,
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# * but finding all symrefs pointing to the given branch
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# * would be rather costly for this rare event (the direct
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# * update of a branch) to be worth it. So let's cheat and
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# * check with HEAD only which should cover 99% of all usage
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# * scenarios (even 100% of the default ones).
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# */
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self.repo.head.log_append(oldbinsha,logmsg)
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# END check if the head
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