2 * Builtin "git log" and related commands (show, whatchanged)
4 * (C) Copyright 2006 Linus Torvalds
14 /* this is in builtin-diff.c */
15 void add_head(struct rev_info *revs);
17 static int cmd_log_wc(int argc, const char **argv, char **envp,
20 struct commit *commit;
22 rev->abbrev = DEFAULT_ABBREV;
23 rev->commit_format = CMIT_FMT_DEFAULT;
24 rev->verbose_header = 1;
25 argc = setup_revisions(argc, argv, rev, "HEAD");
26 if (rev->always_show_header) {
27 if (rev->diffopt.pickaxe || rev->diffopt.filter) {
28 rev->always_show_header = 0;
29 if (rev->diffopt.output_format == DIFF_FORMAT_RAW)
30 rev->diffopt.output_format = DIFF_FORMAT_NO_OUTPUT;
35 die("unrecognized argument: %s", argv[1]);
37 prepare_revision_walk(rev);
39 while ((commit = get_revision(rev)) != NULL) {
40 log_tree_commit(rev, commit);
42 commit->buffer = NULL;
47 int cmd_whatchanged(int argc, const char **argv, char **envp)
53 rev.diffopt.recursive = 1;
54 return cmd_log_wc(argc, argv, envp, &rev);
57 int cmd_show(int argc, const char **argv, char **envp)
63 rev.diffopt.recursive = 1;
64 rev.combine_merges = 1;
65 rev.dense_combined_merges = 1;
66 rev.always_show_header = 1;
67 rev.ignore_merges = 0;
69 return cmd_log_wc(argc, argv, envp, &rev);
72 int cmd_log(int argc, const char **argv, char **envp)
77 rev.always_show_header = 1;
78 rev.diffopt.recursive = 1;
79 return cmd_log_wc(argc, argv, envp, &rev);
82 static int istitlechar(char c)
84 return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') ||
85 (c >= '0' && c <= '9') || c == '.' || c == '_';
88 static FILE *realstdout = NULL;
89 static char *output_directory = NULL;
91 static void reopen_stdout(struct commit *commit, int nr, int keep_subject)
97 if (output_directory) {
98 strncpy(filename, output_directory, 1010);
99 len = strlen(filename);
100 if (filename[len - 1] != '/')
101 filename[len++] = '/';
104 sprintf(filename + len, "%04d", nr);
105 len = strlen(filename);
107 sol = strstr(commit->buffer, "\n\n");
112 /* strip [PATCH] or [PATCH blabla] */
113 if (!keep_subject && !strncmp(sol, "[PATCH", 6)) {
114 char *eos = strchr(sol + 6, ']');
116 while (isspace(*eos))
122 for (j = 0; len < 1024 - 6 && sol[j] && sol[j] != '\n'; j++) {
123 if (istitlechar(sol[j])) {
125 filename[len++] = '-';
128 filename[len++] = sol[j];
130 while (sol[j + 1] == '.')
135 while (filename[len - 1] == '.' || filename[len - 1] == '-')
138 strcpy(filename + len, ".txt");
139 fprintf(realstdout, "%s\n", filename);
140 freopen(filename, "w", stdout);
143 int cmd_format_patch(int argc, const char **argv, char **envp)
145 struct commit *commit;
146 struct commit **list = NULL;
148 int nr = 0, total, i, j;
151 int start_number = -1;
152 int keep_subject = 0;
154 init_revisions(&rev);
155 rev.commit_format = CMIT_FMT_EMAIL;
156 rev.verbose_header = 1;
158 rev.diffopt.with_raw = 0;
159 rev.diffopt.with_stat = 1;
160 rev.combine_merges = 0;
161 rev.ignore_merges = 1;
162 rev.diffopt.output_format = DIFF_FORMAT_PATCH;
165 * Parse the arguments before setup_revisions(), or something
166 * like "git fmt-patch -o a123 HEAD^.." may fail; a123 is
167 * possibly a valid SHA1.
169 for (i = 1, j = 1; i < argc; i++) {
170 if (!strcmp(argv[i], "--stdout"))
172 else if (!strcmp(argv[i], "-n") ||
173 !strcmp(argv[i], "--numbered"))
175 else if (!strncmp(argv[i], "--start-number=", 15))
176 start_number = strtol(argv[i] + 15, NULL, 10);
177 else if (!strcmp(argv[i], "--start-number")) {
180 die("Need a number for --start-number");
181 start_number = strtol(argv[i], NULL, 10);
182 } else if (!strcmp(argv[i], "-k") ||
183 !strcmp(argv[i], "--keep-subject")) {
186 } else if (!strcmp(argv[i], "-o")) {
188 die ("Which directory?");
189 if (mkdir(argv[i + 1], 0777) < 0 && errno != EEXIST)
190 die("Could not create directory %s",
192 output_directory = strdup(argv[i + 1]);
195 else if (!strcmp(argv[i], "--attach"))
196 rev.mime_boundary = git_version_string;
197 else if (!strncmp(argv[i], "--attach=", 9))
198 rev.mime_boundary = argv[i] + 9;
204 if (start_number < 0)
206 if (numbered && keep_subject)
207 die ("-n and -k are mutually exclusive.");
209 argc = setup_revisions(argc, argv, &rev, "HEAD");
211 die ("unrecognized argument: %s", argv[1]);
213 if (rev.pending_objects && rev.pending_objects->next == NULL) {
214 rev.pending_objects->item->flags |= UNINTERESTING;
219 realstdout = fdopen(dup(1), "w");
221 prepare_revision_walk(&rev);
222 while ((commit = get_revision(&rev)) != NULL) {
224 if (commit->parents && commit->parents->next)
227 list = realloc(list, nr * sizeof(list[0]));
228 list[nr - 1] = commit;
232 rev.total = total + start_number - 1;
236 rev.nr = total - nr + (start_number - 1);
238 reopen_stdout(commit, rev.nr, keep_subject);
239 shown = log_tree_commit(&rev, commit);
240 free(commit->buffer);
241 commit->buffer = NULL;
243 /* We put one extra blank line between formatted
244 * patches and this flag is used by log-tree code
245 * to see if it needs to emit a LF before showing
246 * the log; when using one file per patch, we do
247 * not want the extra blank line.
252 if (rev.mime_boundary)
253 printf("\n--%s%s--\n\n\n",
254 mime_boundary_leader,
257 printf("-- \n%s\n\n", git_version_string);
262 if (output_directory)
263 free(output_directory);