]>
Commit | Line | Data |
---|---|---|
64745109 LT |
1 | #include "cache.h" |
2 | #include "commit.h" | |
3 | ||
8906300f LT |
4 | #define SEEN (1u << 0) |
5 | #define INTERESTING (1u << 1) | |
6 | #define UNINTERESTING (1u << 2) | |
7 | ||
a6f68d47 LT |
8 | static const char rev_list_usage[] = |
9 | "usage: git-rev-list [OPTION] commit-id <commit-id>\n" | |
10 | " --max-count=nr\n" | |
11 | " --max-age=epoch\n" | |
12 | " --min-age=epoch\n" | |
13 | " --header"; | |
14 | ||
8906300f LT |
15 | static void mark_parents_uninteresting(struct commit *commit) |
16 | { | |
17 | struct commit_list *parents = commit->parents; | |
18 | ||
19 | while (parents) { | |
20 | struct commit *commit = parents->item; | |
21 | commit->object.flags |= UNINTERESTING; | |
22 | parents = parents->next; | |
23 | } | |
24 | } | |
25 | ||
26 | static int everybody_uninteresting(struct commit_list *list) | |
27 | { | |
28 | while (list) { | |
29 | struct commit *commit = list->item; | |
30 | list = list->next; | |
31 | if (commit->object.flags & UNINTERESTING) | |
32 | continue; | |
33 | return 0; | |
34 | } | |
35 | return 1; | |
36 | } | |
37 | ||
64745109 LT |
38 | int main(int argc, char **argv) |
39 | { | |
a6f68d47 LT |
40 | int nr_sha; |
41 | unsigned char sha1[2][20]; | |
64745109 | 42 | struct commit_list *list = NULL; |
a6f68d47 | 43 | struct commit *commit, *end; |
97658004 | 44 | int i, verbose_header = 0, show_parents = 0; |
fcfda02b KS |
45 | unsigned long max_age = -1; |
46 | unsigned long min_age = -1; | |
47 | int max_count = -1; | |
64745109 | 48 | |
a6f68d47 | 49 | nr_sha = 0; |
fcfda02b KS |
50 | for (i = 1 ; i < argc; i++) { |
51 | char *arg = argv[i]; | |
52 | ||
53 | if (!strncmp(arg, "--max-count=", 12)) { | |
54 | max_count = atoi(arg + 12); | |
a6f68d47 LT |
55 | continue; |
56 | } | |
57 | if (!strncmp(arg, "--max-age=", 10)) { | |
fcfda02b | 58 | max_age = atoi(arg + 10); |
a6f68d47 LT |
59 | continue; |
60 | } | |
61 | if (!strncmp(arg, "--min-age=", 10)) { | |
fcfda02b | 62 | min_age = atoi(arg + 10); |
a6f68d47 | 63 | continue; |
fcfda02b | 64 | } |
a6f68d47 LT |
65 | if (!strcmp(arg, "--header")) { |
66 | verbose_header = 1; | |
67 | continue; | |
68 | } | |
97658004 LT |
69 | if (!strcmp(arg, "--parents")) { |
70 | show_parents = 1; | |
71 | continue; | |
72 | } | |
a6f68d47 LT |
73 | |
74 | if (nr_sha > 2 || get_sha1(arg, sha1[nr_sha])) | |
75 | usage(rev_list_usage); | |
76 | nr_sha++; | |
fcfda02b KS |
77 | } |
78 | ||
a6f68d47 LT |
79 | if (!nr_sha) |
80 | usage(rev_list_usage); | |
64745109 | 81 | |
a6f68d47 | 82 | commit = lookup_commit_reference(sha1[0]); |
64745109 | 83 | if (!commit || parse_commit(commit) < 0) |
a6f68d47 LT |
84 | die("bad starting commit object"); |
85 | ||
86 | end = NULL; | |
87 | if (nr_sha > 1) { | |
88 | end = lookup_commit_reference(sha1[1]); | |
89 | if (!end || parse_commit(end) < 0) | |
90 | die("bad ending commit object"); | |
91 | } | |
64745109 LT |
92 | |
93 | commit_list_insert(commit, &list); | |
8906300f LT |
94 | if (end) { |
95 | struct commit_list *newlist = NULL; | |
96 | struct commit_list **p = &newlist; | |
97 | do { | |
98 | struct commit *commit = pop_most_recent_commit(&list, SEEN); | |
99 | struct object *obj = &commit->object; | |
fcfda02b | 100 | |
8906300f LT |
101 | if (commit == end || (obj->flags & UNINTERESTING)) { |
102 | mark_parents_uninteresting(commit); | |
103 | if (everybody_uninteresting(list)) | |
104 | break; | |
105 | continue; | |
106 | } | |
107 | p = &commit_list_insert(commit, p)->next; | |
108 | } while (list); | |
109 | list = newlist; | |
110 | } | |
111 | ||
112 | while (list) { | |
113 | struct commit *commit = pop_most_recent_commit(&list, SEEN); | |
114 | ||
115 | if (commit->object.flags & UNINTERESTING) | |
116 | continue; | |
fcfda02b KS |
117 | if (min_age != -1 && (commit->date > min_age)) |
118 | continue; | |
119 | if (max_age != -1 && (commit->date < max_age)) | |
120 | break; | |
121 | if (max_count != -1 && !max_count--) | |
122 | break; | |
97658004 LT |
123 | printf("%s", sha1_to_hex(commit->object.sha1)); |
124 | if (show_parents) { | |
125 | struct commit_list *parents = commit->parents; | |
126 | while (parents) { | |
127 | printf(" %s", sha1_to_hex(parents->item->object.sha1)); | |
128 | parents = parents->next; | |
129 | } | |
130 | } | |
131 | putchar('\n'); | |
a6f68d47 LT |
132 | if (verbose_header) |
133 | printf("%s%c", commit->buffer, 0); | |
8906300f | 134 | } |
64745109 LT |
135 | return 0; |
136 | } |