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Commit | Line | Data |
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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" | |
9d97aa64 LT |
13 | " --header\n" |
14 | " --pretty"; | |
a6f68d47 | 15 | |
81f2bb1f LT |
16 | static int verbose_header = 0; |
17 | static int show_parents = 0; | |
81f2bb1f LT |
18 | static int hdr_termination = 0; |
19 | static const char *prefix = ""; | |
20 | static unsigned long max_age = -1; | |
21 | static unsigned long min_age = -1; | |
22 | static int max_count = -1; | |
000182ea | 23 | static enum cmit_fmt commit_format = CMIT_FMT_RAW; |
81f2bb1f LT |
24 | |
25 | static void show_commit(struct commit *commit) | |
26 | { | |
27 | printf("%s%s", prefix, sha1_to_hex(commit->object.sha1)); | |
28 | if (show_parents) { | |
29 | struct commit_list *parents = commit->parents; | |
30 | while (parents) { | |
31 | printf(" %s", sha1_to_hex(parents->item->object.sha1)); | |
32 | parents = parents->next; | |
33 | } | |
34 | } | |
35 | putchar('\n'); | |
36 | if (verbose_header) { | |
000182ea LT |
37 | static char pretty_header[16384]; |
38 | pretty_print_commit(commit_format, commit->buffer, ~0, pretty_header, sizeof(pretty_header)); | |
39 | printf("%s%c", pretty_header, hdr_termination); | |
81f2bb1f LT |
40 | } |
41 | } | |
42 | ||
43 | static void show_commit_list(struct commit_list *list) | |
44 | { | |
45 | while (list) { | |
46 | struct commit *commit = pop_most_recent_commit(&list, SEEN); | |
47 | ||
48 | if (commit->object.flags & UNINTERESTING) | |
49 | continue; | |
50 | if (min_age != -1 && (commit->date > min_age)) | |
51 | continue; | |
52 | if (max_age != -1 && (commit->date < max_age)) | |
53 | break; | |
54 | if (max_count != -1 && !max_count--) | |
55 | break; | |
56 | show_commit(commit); | |
57 | } | |
58 | } | |
59 | ||
8906300f LT |
60 | static void mark_parents_uninteresting(struct commit *commit) |
61 | { | |
62 | struct commit_list *parents = commit->parents; | |
63 | ||
64 | while (parents) { | |
65 | struct commit *commit = parents->item; | |
66 | commit->object.flags |= UNINTERESTING; | |
67 | parents = parents->next; | |
68 | } | |
69 | } | |
70 | ||
71 | static int everybody_uninteresting(struct commit_list *list) | |
72 | { | |
73 | while (list) { | |
74 | struct commit *commit = list->item; | |
75 | list = list->next; | |
76 | if (commit->object.flags & UNINTERESTING) | |
77 | continue; | |
78 | return 0; | |
79 | } | |
80 | return 1; | |
81 | } | |
82 | ||
337cb3fb | 83 | struct commit_list *limit_list(struct commit_list *list) |
3b42a63c LT |
84 | { |
85 | struct commit_list *newlist = NULL; | |
86 | struct commit_list **p = &newlist; | |
87 | do { | |
88 | struct commit *commit = pop_most_recent_commit(&list, SEEN); | |
89 | struct object *obj = &commit->object; | |
90 | ||
337cb3fb | 91 | if (obj->flags & UNINTERESTING) { |
3b42a63c LT |
92 | mark_parents_uninteresting(commit); |
93 | if (everybody_uninteresting(list)) | |
94 | break; | |
95 | continue; | |
96 | } | |
97 | p = &commit_list_insert(commit, p)->next; | |
98 | } while (list); | |
99 | return newlist; | |
100 | } | |
101 | ||
000182ea LT |
102 | static enum cmit_fmt get_commit_format(const char *arg) |
103 | { | |
104 | if (!*arg) | |
105 | return CMIT_FMT_DEFAULT; | |
106 | if (!strcmp(arg, "=raw")) | |
107 | return CMIT_FMT_RAW; | |
108 | if (!strcmp(arg, "=medium")) | |
109 | return CMIT_FMT_MEDIUM; | |
110 | if (!strcmp(arg, "=short")) | |
111 | return CMIT_FMT_SHORT; | |
112 | usage(rev_list_usage); | |
113 | } | |
114 | ||
115 | ||
64745109 LT |
116 | int main(int argc, char **argv) |
117 | { | |
64745109 | 118 | struct commit_list *list = NULL; |
337cb3fb | 119 | int i, limited = 0; |
64745109 | 120 | |
fcfda02b | 121 | for (i = 1 ; i < argc; i++) { |
337cb3fb | 122 | int flags; |
fcfda02b | 123 | char *arg = argv[i]; |
337cb3fb LT |
124 | unsigned char sha1[20]; |
125 | struct commit *commit; | |
fcfda02b KS |
126 | |
127 | if (!strncmp(arg, "--max-count=", 12)) { | |
128 | max_count = atoi(arg + 12); | |
a6f68d47 LT |
129 | continue; |
130 | } | |
131 | if (!strncmp(arg, "--max-age=", 10)) { | |
fcfda02b | 132 | max_age = atoi(arg + 10); |
a6f68d47 LT |
133 | continue; |
134 | } | |
135 | if (!strncmp(arg, "--min-age=", 10)) { | |
fcfda02b | 136 | min_age = atoi(arg + 10); |
a6f68d47 | 137 | continue; |
fcfda02b | 138 | } |
a6f68d47 LT |
139 | if (!strcmp(arg, "--header")) { |
140 | verbose_header = 1; | |
141 | continue; | |
142 | } | |
000182ea LT |
143 | if (!strncmp(arg, "--pretty", 8)) { |
144 | commit_format = get_commit_format(arg+8); | |
9d97aa64 | 145 | verbose_header = 1; |
9d97aa64 LT |
146 | hdr_termination = '\n'; |
147 | prefix = "commit "; | |
148 | continue; | |
149 | } | |
97658004 LT |
150 | if (!strcmp(arg, "--parents")) { |
151 | show_parents = 1; | |
152 | continue; | |
153 | } | |
a6f68d47 | 154 | |
337cb3fb LT |
155 | flags = 0; |
156 | if (*arg == '^') { | |
157 | flags = UNINTERESTING; | |
158 | arg++; | |
159 | limited = 1; | |
160 | } | |
161 | if (get_sha1(arg, sha1)) | |
a6f68d47 | 162 | usage(rev_list_usage); |
337cb3fb LT |
163 | commit = lookup_commit_reference(sha1); |
164 | if (!commit || parse_commit(commit) < 0) | |
165 | die("bad commit object %s", arg); | |
166 | commit->object.flags |= flags; | |
167 | commit_list_insert(commit, &list); | |
fcfda02b KS |
168 | } |
169 | ||
337cb3fb | 170 | if (!list) |
a6f68d47 | 171 | usage(rev_list_usage); |
64745109 | 172 | |
337cb3fb LT |
173 | if (limited) |
174 | list = limit_list(list); | |
8906300f | 175 | |
81f2bb1f | 176 | show_commit_list(list); |
64745109 LT |
177 | return 0; |
178 | } |