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13f8b72d8c
There wan't a way for commit_tree() to notice if the message the caller prepared contained a NUL byte, as it did not take the length of the message as a parameter. Use a pointer to a strbuf instead, so that we can either choose to allow low-level plumbing commands to make commits that contain NUL byte in its message, or forbid NUL everywhere by adding the check in commit_tree(), in later patches. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
99 lines
3.5 KiB
C
99 lines
3.5 KiB
C
#ifndef NOTES_MERGE_H
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#define NOTES_MERGE_H
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#define NOTES_MERGE_WORKTREE "NOTES_MERGE_WORKTREE"
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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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struct strbuf commit_msg;
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int verbosity;
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enum {
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NOTES_MERGE_RESOLVE_MANUAL = 0,
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NOTES_MERGE_RESOLVE_OURS,
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NOTES_MERGE_RESOLVE_THEIRS,
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NOTES_MERGE_RESOLVE_UNION,
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NOTES_MERGE_RESOLVE_CAT_SORT_UNIQ
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} strategy;
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unsigned has_worktree:1;
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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 struct strbuf *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 given notes_tree 'local_tree' must be the notes_tree referenced by the
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* o->local_ref. This is the notes_tree in which the object-level merge is
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* performed.
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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). 'local_tree' is untouched, the SHA1 of the result
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* is written into 'result_sha1' and 0 is returned.
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* 2. The merge successfully completes, producing a merge commit. local_tree
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* contains the updated notes tree, the SHA1 of the resulting commit is
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* written into 'result_sha1', and 1 is returned.
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* 3. The merge results in conflicts. This is similar to #2 in that the
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* partial merge result (i.e. merge result minus the unmerged entries)
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* are stored in 'local_tree', and the SHA1 or the resulting commit
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* (to be amended when the conflicts have been resolved) is written into
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* 'result_sha1'. The unmerged entries are written into the
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* .git/NOTES_MERGE_WORKTREE directory with conflict markers.
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* -1 is 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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struct notes_tree *local_tree,
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unsigned char *result_sha1);
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/*
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* Finalize conflict resolution from an earlier notes_merge()
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*
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* The given notes tree 'partial_tree' must be the notes_tree corresponding to
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* the given 'partial_commit', the partial result commit created by a previous
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* call to notes_merge().
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*
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* This function will add the (now resolved) notes in .git/NOTES_MERGE_WORKTREE
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* to 'partial_tree', and create a final notes merge commit, the SHA1 of which
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* will be stored in 'result_sha1'.
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*/
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int notes_merge_commit(struct notes_merge_options *o,
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struct notes_tree *partial_tree,
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struct commit *partial_commit,
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unsigned char *result_sha1);
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/*
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* Abort conflict resolution from an earlier notes_merge()
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*
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* Removes the notes merge worktree in .git/NOTES_MERGE_WORKTREE.
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*/
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int notes_merge_abort(struct notes_merge_options *o);
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#endif
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