Commit | Line | Data |
---|---|---|
4250a5e5 DB |
1 | #include "pull.h" |
2 | ||
3 | #include "cache.h" | |
4 | #include "commit.h" | |
5 | #include "tree.h" | |
6 | ||
7 | int get_tree = 0; | |
8 | int get_history = 0; | |
9 | int get_all = 0; | |
10 | ||
11 | static int process_tree(unsigned char *sha1) | |
12 | { | |
13 | struct tree *tree = lookup_tree(sha1); | |
14 | struct tree_entry_list *entries; | |
15 | ||
16 | if (parse_tree(tree)) | |
17 | return -1; | |
18 | ||
19 | for (entries = tree->entries; entries; entries = entries->next) { | |
20 | if (fetch(entries->item.tree->object.sha1)) | |
21 | return -1; | |
22 | if (entries->directory) { | |
23 | if (process_tree(entries->item.tree->object.sha1)) | |
24 | return -1; | |
25 | } | |
26 | } | |
27 | return 0; | |
28 | } | |
29 | ||
30 | static int process_commit(unsigned char *sha1) | |
31 | { | |
32 | struct commit *obj = lookup_commit(sha1); | |
33 | ||
34 | if (fetch(sha1)) | |
35 | return -1; | |
36 | ||
37 | if (parse_commit(obj)) | |
38 | return -1; | |
39 | ||
40 | if (get_tree) { | |
41 | if (fetch(obj->tree->object.sha1)) | |
42 | return -1; | |
43 | if (process_tree(obj->tree->object.sha1)) | |
44 | return -1; | |
45 | if (!get_all) | |
46 | get_tree = 0; | |
47 | } | |
48 | if (get_history) { | |
49 | struct commit_list *parents = obj->parents; | |
50 | for (; parents; parents = parents->next) { | |
51 | if (has_sha1_file(parents->item->object.sha1)) | |
52 | continue; | |
53 | if (fetch(parents->item->object.sha1)) { | |
54 | /* The server might not have it, and | |
55 | * we don't mind. | |
56 | */ | |
57 | continue; | |
58 | } | |
59 | if (process_commit(parents->item->object.sha1)) | |
60 | return -1; | |
61 | } | |
62 | } | |
63 | return 0; | |
64 | } | |
65 | ||
66 | int pull(char *target) | |
67 | { | |
68 | int retval; | |
69 | unsigned char sha1[20]; | |
70 | retval = get_sha1_hex(target, sha1); | |
71 | if (retval) | |
72 | return retval; | |
73 | retval = fetch(sha1); | |
74 | if (retval) | |
75 | return retval; | |
76 | return process_commit(sha1); | |
77 | } |