1 /*
2  * Copyright (c) 2018 Stefan Sperling <stsp@openbsd.org>
3  *
4  * Permission to use, copy, modify, and distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 /*
18  * Compute the differences between two blobs and write unified diff text
19  * to the provided output FILE. Two const char * diff header labels may
20  * be provided which will be used to identify each blob in the diff output.
21  * If a label is NULL, use the blob's SHA1 checksum instead.
22  */
23 const struct got_error *got_diff_blob(struct got_blob_object *,
24     struct got_blob_object *, const char *, const char *, FILE *);
25 
26 /*
27  * Compute the differences between two trees and write unified diff text
28  * to the provided output FILE. Two const char * diff header labels may
29  * be provided which will be used to identify each blob in the diff output.
30  * If a label is NULL, use the blob's SHA1 checksum instead.
31  */
32 const struct got_error *got_diff_tree(struct got_tree_object *,
33     struct got_tree_object *, const char *label1, const char *label2,
34     struct got_repository *, FILE *);
35 
36 /*
37  * Diff two objects, assuming both objects are blobs. Two const char * diff
38  * header labels may be provided which will be used to identify each blob in
39  * the diff output. If a label is NULL, use the blob's SHA1 checksum instead.
40  * Write unified diff text to the provided output FILE.
41  */
42 const struct got_error *got_diff_objects_as_blobs(struct got_object *,
43     struct got_object *, const char *, const char *, struct got_repository *,
44     FILE *);
45 
46 /*
47  * Diff two objects, assuming both objects are trees. Two const char * diff
48  * header labels may be provided which will be used to identify each blob in
49  * the trees. If a label is NULL, use the blob's SHA1 checksum instead.
50  * Write unified diff text to the provided output FILE.
51  */
52 const struct got_error *got_diff_objects_as_trees(struct got_object *,
53     struct got_object *, char *, char *, struct got_repository *, FILE *);
54 
55 /*
56  * Diff two objects, assuming both objects are commits.
57  * Write unified diff text to the provided output FILE.
58  */
59 const struct got_error *got_diff_objects_as_commits(struct got_object *,
60     struct got_object *, struct got_repository *, FILE *);