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#ifndef NOTES_MERGE_H
#define NOTES_MERGE_H
enum notes_merge_verbosity {
NOTES_MERGE_VERBOSITY_DEFAULT = 2,
NOTES_MERGE_VERBOSITY_MAX = 5
};
struct notes_merge_options {
const char *local_ref;
const char *remote_ref;
int verbosity;
};
void init_notes_merge_options(struct notes_merge_options *o);
/*
* Create new notes commit from the given notes tree
*
* Properties of the created commit:
* - tree: the result of converting t to a tree object with write_notes_tree().
* - parents: the given parents OR (if NULL) the commit referenced by t->ref.
* - author/committer: the default determined by commmit_tree().
* - commit message: msg
*
* The resulting commit SHA1 is stored in result_sha1.
*/
void create_notes_commit(struct notes_tree *t, struct commit_list *parents,
const char *msg, unsigned char *result_sha1);
/*
* Merge notes from o->remote_ref into o->local_ref
*
* The commits given by the two refs are merged, producing one of the following
* outcomes:
*
* 1. The merge trivially results in an existing commit (e.g. fast-forward or
* already-up-to-date). The SHA1 of the result is written into 'result_sha1'
* and 0 is returned.
* 2. The merge fails. result_sha1 is set to null_sha1, and non-zero returned.
*
* Both o->local_ref and o->remote_ref must be given (non-NULL), but either ref
* (although not both) may refer to a non-existing notes ref, in which case
* that notes ref is interpreted as an empty notes tree, and the merge
* trivially results in what the other ref points to.
*/
int notes_merge(struct notes_merge_options *o,
unsigned char *result_sha1);
#endif
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