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56881843d4
Create new function create_notes_commit() which is slightly more general than commit_notes() (accepts multiple commit parents and does not auto-update the notes ref). This function will be used by the notes-merge functionality in future patches. Also rewrite builtin/notes.c:commit_notes() to reuse this new function. Signed-off-by: Johan Herland <johan@herland.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
#ifndef NOTES_MERGE_H
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#define NOTES_MERGE_H
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enum notes_merge_verbosity {
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NOTES_MERGE_VERBOSITY_DEFAULT = 2,
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NOTES_MERGE_VERBOSITY_MAX = 5
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};
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struct notes_merge_options {
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const char *local_ref;
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const char *remote_ref;
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int verbosity;
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};
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void init_notes_merge_options(struct notes_merge_options *o);
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/*
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* Create new notes commit from the given notes tree
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*
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* Properties of the created commit:
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* - tree: the result of converting t to a tree object with write_notes_tree().
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* - parents: the given parents OR (if NULL) the commit referenced by t->ref.
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* - author/committer: the default determined by commmit_tree().
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* - commit message: msg
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*
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* The resulting commit SHA1 is stored in result_sha1.
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*/
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void create_notes_commit(struct notes_tree *t, struct commit_list *parents,
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const char *msg, unsigned char *result_sha1);
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/*
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* Merge notes from o->remote_ref into o->local_ref
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*
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* The commits given by the two refs are merged, producing one of the following
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* outcomes:
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*
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* 1. The merge trivially results in an existing commit (e.g. fast-forward or
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* already-up-to-date). The SHA1 of the result is written into 'result_sha1'
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* and 0 is returned.
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* 2. The merge fails. result_sha1 is set to null_sha1, and non-zero returned.
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*
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* Both o->local_ref and o->remote_ref must be given (non-NULL), but either ref
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* (although not both) may refer to a non-existing notes ref, in which case
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* that notes ref is interpreted as an empty notes tree, and the merge
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* trivially results in what the other ref points to.
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*/
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int notes_merge(struct notes_merge_options *o,
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unsigned char *result_sha1);
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#endif
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