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75ef3f4a JH |
1 | #ifndef NOTES_MERGE_H |
2 | #define NOTES_MERGE_H | |
3 | ||
809f38c8 JH |
4 | #define NOTES_MERGE_WORKTREE "NOTES_MERGE_WORKTREE" |
5 | ||
75ef3f4a JH |
6 | enum notes_merge_verbosity { |
7 | NOTES_MERGE_VERBOSITY_DEFAULT = 2, | |
8 | NOTES_MERGE_VERBOSITY_MAX = 5 | |
9 | }; | |
10 | ||
11 | struct notes_merge_options { | |
12 | const char *local_ref; | |
13 | const char *remote_ref; | |
443259cf | 14 | struct strbuf commit_msg; |
75ef3f4a | 15 | int verbosity; |
3228e671 JH |
16 | enum { |
17 | NOTES_MERGE_RESOLVE_MANUAL = 0, | |
18 | NOTES_MERGE_RESOLVE_OURS, | |
19 | NOTES_MERGE_RESOLVE_THEIRS, | |
a6a09095 JH |
20 | NOTES_MERGE_RESOLVE_UNION, |
21 | NOTES_MERGE_RESOLVE_CAT_SORT_UNIQ | |
3228e671 | 22 | } strategy; |
809f38c8 | 23 | unsigned has_worktree:1; |
75ef3f4a JH |
24 | }; |
25 | ||
26 | void init_notes_merge_options(struct notes_merge_options *o); | |
27 | ||
28 | /* | |
29 | * Merge notes from o->remote_ref into o->local_ref | |
30 | * | |
2085b16a JH |
31 | * The given notes_tree 'local_tree' must be the notes_tree referenced by the |
32 | * o->local_ref. This is the notes_tree in which the object-level merge is | |
33 | * performed. | |
34 | * | |
75ef3f4a JH |
35 | * The commits given by the two refs are merged, producing one of the following |
36 | * outcomes: | |
37 | * | |
38 | * 1. The merge trivially results in an existing commit (e.g. fast-forward or | |
2085b16a JH |
39 | * already-up-to-date). 'local_tree' is untouched, the SHA1 of the result |
40 | * is written into 'result_sha1' and 0 is returned. | |
41 | * 2. The merge successfully completes, producing a merge commit. local_tree | |
42 | * contains the updated notes tree, the SHA1 of the resulting commit is | |
43 | * written into 'result_sha1', and 1 is returned. | |
809f38c8 JH |
44 | * 3. The merge results in conflicts. This is similar to #2 in that the |
45 | * partial merge result (i.e. merge result minus the unmerged entries) | |
46 | * are stored in 'local_tree', and the SHA1 or the resulting commit | |
47 | * (to be amended when the conflicts have been resolved) is written into | |
48 | * 'result_sha1'. The unmerged entries are written into the | |
49 | * .git/NOTES_MERGE_WORKTREE directory with conflict markers. | |
50 | * -1 is returned. | |
75ef3f4a JH |
51 | * |
52 | * Both o->local_ref and o->remote_ref must be given (non-NULL), but either ref | |
53 | * (although not both) may refer to a non-existing notes ref, in which case | |
54 | * that notes ref is interpreted as an empty notes tree, and the merge | |
55 | * trivially results in what the other ref points to. | |
56 | */ | |
57 | int notes_merge(struct notes_merge_options *o, | |
2085b16a | 58 | struct notes_tree *local_tree, |
75ef3f4a JH |
59 | unsigned char *result_sha1); |
60 | ||
6abb3655 JH |
61 | /* |
62 | * Finalize conflict resolution from an earlier notes_merge() | |
63 | * | |
64 | * The given notes tree 'partial_tree' must be the notes_tree corresponding to | |
65 | * the given 'partial_commit', the partial result commit created by a previous | |
66 | * call to notes_merge(). | |
67 | * | |
68 | * This function will add the (now resolved) notes in .git/NOTES_MERGE_WORKTREE | |
69 | * to 'partial_tree', and create a final notes merge commit, the SHA1 of which | |
70 | * will be stored in 'result_sha1'. | |
71 | */ | |
72 | int notes_merge_commit(struct notes_merge_options *o, | |
73 | struct notes_tree *partial_tree, | |
74 | struct commit *partial_commit, | |
75 | unsigned char *result_sha1); | |
76 | ||
77 | /* | |
78 | * Abort conflict resolution from an earlier notes_merge() | |
79 | * | |
80 | * Removes the notes merge worktree in .git/NOTES_MERGE_WORKTREE. | |
81 | */ | |
82 | int notes_merge_abort(struct notes_merge_options *o); | |
83 | ||
75ef3f4a | 84 | #endif |