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Commit | Line | Data |
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64745109 LT |
1 | #include "cache.h" |
2 | #include "commit.h" | |
a3437b8c | 3 | #include "epoch.h" |
64745109 | 4 | |
8906300f LT |
5 | #define SEEN (1u << 0) |
6 | #define INTERESTING (1u << 1) | |
8906300f | 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 | 13 | " --header\n" |
a3437b8c JS |
14 | " --pretty\n" |
15 | " --merge-order [ --show-breaks ]"; | |
a6f68d47 | 16 | |
81f2bb1f LT |
17 | static int verbose_header = 0; |
18 | static int show_parents = 0; | |
81f2bb1f LT |
19 | static int hdr_termination = 0; |
20 | static const char *prefix = ""; | |
21 | static unsigned long max_age = -1; | |
22 | static unsigned long min_age = -1; | |
23 | static int max_count = -1; | |
000182ea | 24 | static enum cmit_fmt commit_format = CMIT_FMT_RAW; |
a3437b8c JS |
25 | static int merge_order = 0; |
26 | static int show_breaks = 0; | |
81f2bb1f LT |
27 | |
28 | static void show_commit(struct commit *commit) | |
29 | { | |
a3437b8c JS |
30 | if (show_breaks) { |
31 | prefix = "| "; | |
32 | if (commit->object.flags & DISCONTINUITY) { | |
33 | prefix = "^ "; | |
34 | } else if (commit->object.flags & BOUNDARY) { | |
35 | prefix = "= "; | |
36 | } | |
37 | } | |
81f2bb1f LT |
38 | printf("%s%s", prefix, sha1_to_hex(commit->object.sha1)); |
39 | if (show_parents) { | |
40 | struct commit_list *parents = commit->parents; | |
41 | while (parents) { | |
42 | printf(" %s", sha1_to_hex(parents->item->object.sha1)); | |
43 | parents = parents->next; | |
44 | } | |
45 | } | |
46 | putchar('\n'); | |
47 | if (verbose_header) { | |
000182ea LT |
48 | static char pretty_header[16384]; |
49 | pretty_print_commit(commit_format, commit->buffer, ~0, pretty_header, sizeof(pretty_header)); | |
50 | printf("%s%c", pretty_header, hdr_termination); | |
a3437b8c JS |
51 | } |
52 | } | |
53 | ||
54 | static int filter_commit(struct commit * commit) | |
55 | { | |
56 | if (commit->object.flags & UNINTERESTING) | |
57 | return CONTINUE; | |
58 | if (min_age != -1 && (commit->date > min_age)) | |
59 | return CONTINUE; | |
60 | if (max_age != -1 && (commit->date < max_age)) | |
61 | return STOP; | |
62 | if (max_count != -1 && !max_count--) | |
63 | return STOP; | |
64 | ||
65 | return DO; | |
66 | } | |
67 | ||
68 | static int process_commit(struct commit * commit) | |
69 | { | |
70 | int action=filter_commit(commit); | |
71 | ||
72 | if (action == STOP) { | |
73 | return STOP; | |
74 | } | |
75 | ||
76 | if (action == CONTINUE) { | |
77 | return CONTINUE; | |
81f2bb1f | 78 | } |
a3437b8c JS |
79 | |
80 | show_commit(commit); | |
81 | ||
82 | return CONTINUE; | |
81f2bb1f LT |
83 | } |
84 | ||
85 | static void show_commit_list(struct commit_list *list) | |
86 | { | |
87 | while (list) { | |
88 | struct commit *commit = pop_most_recent_commit(&list, SEEN); | |
89 | ||
a3437b8c | 90 | if (process_commit(commit) == STOP) |
81f2bb1f | 91 | break; |
81f2bb1f LT |
92 | } |
93 | } | |
94 | ||
8906300f LT |
95 | static void mark_parents_uninteresting(struct commit *commit) |
96 | { | |
97 | struct commit_list *parents = commit->parents; | |
98 | ||
99 | while (parents) { | |
100 | struct commit *commit = parents->item; | |
101 | commit->object.flags |= UNINTERESTING; | |
102 | parents = parents->next; | |
103 | } | |
104 | } | |
105 | ||
106 | static int everybody_uninteresting(struct commit_list *list) | |
107 | { | |
108 | while (list) { | |
109 | struct commit *commit = list->item; | |
110 | list = list->next; | |
111 | if (commit->object.flags & UNINTERESTING) | |
112 | continue; | |
113 | return 0; | |
114 | } | |
115 | return 1; | |
116 | } | |
117 | ||
337cb3fb | 118 | struct commit_list *limit_list(struct commit_list *list) |
3b42a63c LT |
119 | { |
120 | struct commit_list *newlist = NULL; | |
121 | struct commit_list **p = &newlist; | |
122 | do { | |
123 | struct commit *commit = pop_most_recent_commit(&list, SEEN); | |
124 | struct object *obj = &commit->object; | |
125 | ||
337cb3fb | 126 | if (obj->flags & UNINTERESTING) { |
3b42a63c LT |
127 | mark_parents_uninteresting(commit); |
128 | if (everybody_uninteresting(list)) | |
129 | break; | |
130 | continue; | |
131 | } | |
132 | p = &commit_list_insert(commit, p)->next; | |
133 | } while (list); | |
134 | return newlist; | |
135 | } | |
136 | ||
000182ea LT |
137 | static enum cmit_fmt get_commit_format(const char *arg) |
138 | { | |
139 | if (!*arg) | |
140 | return CMIT_FMT_DEFAULT; | |
141 | if (!strcmp(arg, "=raw")) | |
142 | return CMIT_FMT_RAW; | |
143 | if (!strcmp(arg, "=medium")) | |
144 | return CMIT_FMT_MEDIUM; | |
145 | if (!strcmp(arg, "=short")) | |
146 | return CMIT_FMT_SHORT; | |
147 | usage(rev_list_usage); | |
148 | } | |
149 | ||
150 | ||
64745109 LT |
151 | int main(int argc, char **argv) |
152 | { | |
64745109 | 153 | struct commit_list *list = NULL; |
337cb3fb | 154 | int i, limited = 0; |
64745109 | 155 | |
fcfda02b | 156 | for (i = 1 ; i < argc; i++) { |
337cb3fb | 157 | int flags; |
fcfda02b | 158 | char *arg = argv[i]; |
337cb3fb LT |
159 | unsigned char sha1[20]; |
160 | struct commit *commit; | |
fcfda02b KS |
161 | |
162 | if (!strncmp(arg, "--max-count=", 12)) { | |
163 | max_count = atoi(arg + 12); | |
a6f68d47 LT |
164 | continue; |
165 | } | |
166 | if (!strncmp(arg, "--max-age=", 10)) { | |
fcfda02b | 167 | max_age = atoi(arg + 10); |
a6f68d47 LT |
168 | continue; |
169 | } | |
170 | if (!strncmp(arg, "--min-age=", 10)) { | |
fcfda02b | 171 | min_age = atoi(arg + 10); |
a6f68d47 | 172 | continue; |
fcfda02b | 173 | } |
a6f68d47 LT |
174 | if (!strcmp(arg, "--header")) { |
175 | verbose_header = 1; | |
176 | continue; | |
177 | } | |
000182ea LT |
178 | if (!strncmp(arg, "--pretty", 8)) { |
179 | commit_format = get_commit_format(arg+8); | |
9d97aa64 | 180 | verbose_header = 1; |
9d97aa64 LT |
181 | hdr_termination = '\n'; |
182 | prefix = "commit "; | |
183 | continue; | |
184 | } | |
97658004 LT |
185 | if (!strcmp(arg, "--parents")) { |
186 | show_parents = 1; | |
187 | continue; | |
188 | } | |
a3437b8c JS |
189 | if (!strncmp(arg, "--merge-order", 13)) { |
190 | merge_order = 1; | |
191 | continue; | |
192 | } | |
193 | if (!strncmp(arg, "--show-breaks", 13)) { | |
194 | show_breaks = 1; | |
195 | continue; | |
196 | } | |
a6f68d47 | 197 | |
337cb3fb LT |
198 | flags = 0; |
199 | if (*arg == '^') { | |
200 | flags = UNINTERESTING; | |
201 | arg++; | |
202 | limited = 1; | |
203 | } | |
a3437b8c | 204 | if (get_sha1(arg, sha1) || (show_breaks && !merge_order)) |
a6f68d47 | 205 | usage(rev_list_usage); |
337cb3fb LT |
206 | commit = lookup_commit_reference(sha1); |
207 | if (!commit || parse_commit(commit) < 0) | |
208 | die("bad commit object %s", arg); | |
209 | commit->object.flags |= flags; | |
210 | commit_list_insert(commit, &list); | |
fcfda02b KS |
211 | } |
212 | ||
337cb3fb | 213 | if (!list) |
a6f68d47 | 214 | usage(rev_list_usage); |
64745109 | 215 | |
a3437b8c | 216 | if (!merge_order) { |
17ebe977 | 217 | if (limited) |
a3437b8c JS |
218 | list = limit_list(list); |
219 | show_commit_list(list); | |
a3437b8c | 220 | } else { |
a3437b8c JS |
221 | if (sort_list_in_merge_order(list, &process_commit)) { |
222 | die("merge order sort failed\n"); | |
223 | } | |
a3437b8c | 224 | } |
8906300f | 225 | |
64745109 LT |
226 | return 0; |
227 | } |