2 * Builtin "git log" and related commands (show, whatchanged)
4 * (C) Copyright 2006 Linus Torvalds
15 #include "reflog-walk.h"
16 #include "patch-ids.h"
17 #include "run-command.h"
20 #include "string-list.h"
22 /* Set a default date-time format for git log ("log.date" config variable) */
23 static const char *default_date_mode
= NULL
;
25 static int default_show_root
= 1;
26 static const char *fmt_patch_subject_prefix
= "PATCH";
27 static const char *fmt_pretty
;
29 static void cmd_log_init(int argc
, const char **argv
, const char *prefix
,
34 rev
->abbrev
= DEFAULT_ABBREV
;
35 rev
->commit_format
= CMIT_FMT_DEFAULT
;
37 get_commit_format(fmt_pretty
, rev
);
38 rev
->verbose_header
= 1;
39 DIFF_OPT_SET(&rev
->diffopt
, RECURSIVE
);
40 rev
->show_root_diff
= default_show_root
;
41 rev
->subject_prefix
= fmt_patch_subject_prefix
;
42 DIFF_OPT_SET(&rev
->diffopt
, ALLOW_TEXTCONV
);
44 if (default_date_mode
)
45 rev
->date_mode
= parse_date_format(default_date_mode
);
47 argc
= setup_revisions(argc
, argv
, rev
, "HEAD");
49 if (rev
->diffopt
.pickaxe
|| rev
->diffopt
.filter
)
50 rev
->always_show_header
= 0;
51 if (DIFF_OPT_TST(&rev
->diffopt
, FOLLOW_RENAMES
)) {
52 rev
->always_show_header
= 0;
53 if (rev
->diffopt
.nr_paths
!= 1)
54 usage("git logs can only follow renames on one pathname at a time");
56 for (i
= 1; i
< argc
; i
++) {
57 const char *arg
= argv
[i
];
58 if (!strcmp(arg
, "--decorate")) {
59 load_ref_decorations();
60 rev
->show_decorations
= 1;
61 } else if (!strcmp(arg
, "--source")) {
64 die("unrecognized argument: %s", arg
);
69 * This gives a rough estimate for how many commits we
70 * will print out in the list.
72 static int estimate_commit_count(struct rev_info
*rev
, struct commit_list
*list
)
77 struct commit
*commit
= list
->item
;
78 unsigned int flags
= commit
->object
.flags
;
80 if (!(flags
& (TREESAME
| UNINTERESTING
)))
86 static void show_early_header(struct rev_info
*rev
, const char *stage
, int nr
)
90 if (rev
->commit_format
!= CMIT_FMT_ONELINE
)
91 putchar(rev
->diffopt
.line_termination
);
93 printf("Final output: %d %s\n", nr
, stage
);
96 struct itimerval early_output_timer
;
98 static void log_show_early(struct rev_info
*revs
, struct commit_list
*list
)
100 int i
= revs
->early_output
;
103 sort_in_topological_order(&list
, revs
->lifo
);
105 struct commit
*commit
= list
->item
;
106 switch (simplify_commit(revs
, commit
)) {
109 int n
= estimate_commit_count(revs
, list
);
110 show_early_header(revs
, "incomplete", n
);
113 log_tree_commit(revs
, commit
);
124 /* Did we already get enough commits for the early output? */
129 * ..if no, then repeat it twice a second until we
132 * NOTE! We don't use "it_interval", because if the
133 * reader isn't listening, we want our output to be
134 * throttled by the writing, and not have the timer
135 * trigger every second even if we're blocked on a
138 early_output_timer
.it_value
.tv_sec
= 0;
139 early_output_timer
.it_value
.tv_usec
= 500000;
140 setitimer(ITIMER_REAL
, &early_output_timer
, NULL
);
143 static void early_output(int signal
)
145 show_early_output
= log_show_early
;
148 static void setup_early_output(struct rev_info
*rev
)
153 * Set up the signal handler, minimally intrusively:
154 * we only set a single volatile integer word (not
155 * using sigatomic_t - trying to avoid unnecessary
156 * system dependencies and headers), and using
159 memset(&sa
, 0, sizeof(sa
));
160 sa
.sa_handler
= early_output
;
161 sigemptyset(&sa
.sa_mask
);
162 sa
.sa_flags
= SA_RESTART
;
163 sigaction(SIGALRM
, &sa
, NULL
);
166 * If we can get the whole output in less than a
167 * tenth of a second, don't even bother doing the
168 * early-output thing..
170 * This is a one-time-only trigger.
172 early_output_timer
.it_value
.tv_sec
= 0;
173 early_output_timer
.it_value
.tv_usec
= 100000;
174 setitimer(ITIMER_REAL
, &early_output_timer
, NULL
);
177 static void finish_early_output(struct rev_info
*rev
)
179 int n
= estimate_commit_count(rev
, rev
->commits
);
180 signal(SIGALRM
, SIG_IGN
);
181 show_early_header(rev
, "done", n
);
184 static int cmd_log_walk(struct rev_info
*rev
)
186 struct commit
*commit
;
188 if (rev
->early_output
)
189 setup_early_output(rev
);
191 if (prepare_revision_walk(rev
))
192 die("revision walk setup failed");
194 if (rev
->early_output
)
195 finish_early_output(rev
);
198 * For --check and --exit-code, the exit code is based on CHECK_FAILED
199 * and HAS_CHANGES being accumulated in rev->diffopt, so be careful to
200 * retain that state information if replacing rev->diffopt in this loop
202 while ((commit
= get_revision(rev
)) != NULL
) {
203 log_tree_commit(rev
, commit
);
204 if (!rev
->reflog_info
) {
205 /* we allow cycles in reflog ancestry */
206 free(commit
->buffer
);
207 commit
->buffer
= NULL
;
209 free_commit_list(commit
->parents
);
210 commit
->parents
= NULL
;
212 if (rev
->diffopt
.output_format
& DIFF_FORMAT_CHECKDIFF
&&
213 DIFF_OPT_TST(&rev
->diffopt
, CHECK_FAILED
)) {
216 return diff_result_code(&rev
->diffopt
, 0);
219 static int git_log_config(const char *var
, const char *value
, void *cb
)
221 if (!strcmp(var
, "format.pretty"))
222 return git_config_string(&fmt_pretty
, var
, value
);
223 if (!strcmp(var
, "format.subjectprefix"))
224 return git_config_string(&fmt_patch_subject_prefix
, var
, value
);
225 if (!strcmp(var
, "log.date"))
226 return git_config_string(&default_date_mode
, var
, value
);
227 if (!strcmp(var
, "log.showroot")) {
228 default_show_root
= git_config_bool(var
, value
);
231 return git_diff_ui_config(var
, value
, cb
);
234 int cmd_whatchanged(int argc
, const char **argv
, const char *prefix
)
238 git_config(git_log_config
, NULL
);
240 if (diff_use_color_default
== -1)
241 diff_use_color_default
= git_use_color_default
;
243 init_revisions(&rev
, prefix
);
245 rev
.simplify_history
= 0;
246 cmd_log_init(argc
, argv
, prefix
, &rev
);
247 if (!rev
.diffopt
.output_format
)
248 rev
.diffopt
.output_format
= DIFF_FORMAT_RAW
;
249 return cmd_log_walk(&rev
);
252 static void show_tagger(char *buf
, int len
, struct rev_info
*rev
)
254 struct strbuf out
= STRBUF_INIT
;
256 pp_user_info("Tagger", rev
->commit_format
, &out
, buf
, rev
->date_mode
,
257 git_log_output_encoding
?
258 git_log_output_encoding
: git_commit_encoding
);
259 printf("%s\n", out
.buf
);
260 strbuf_release(&out
);
263 static int show_object(const unsigned char *sha1
, int show_tag_object
,
264 struct rev_info
*rev
)
267 enum object_type type
;
268 char *buf
= read_sha1_file(sha1
, &type
, &size
);
272 return error("Could not read object %s", sha1_to_hex(sha1
));
275 while (offset
< size
&& buf
[offset
] != '\n') {
276 int new_offset
= offset
+ 1;
277 while (new_offset
< size
&& buf
[new_offset
++] != '\n')
279 if (!prefixcmp(buf
+ offset
, "tagger "))
280 show_tagger(buf
+ offset
+ 7,
281 new_offset
- offset
- 7, rev
);
286 fwrite(buf
+ offset
, size
- offset
, 1, stdout
);
291 static int show_tree_object(const unsigned char *sha1
,
292 const char *base
, int baselen
,
293 const char *pathname
, unsigned mode
, int stage
, void *context
)
295 printf("%s%s\n", pathname
, S_ISDIR(mode
) ? "/" : "");
299 int cmd_show(int argc
, const char **argv
, const char *prefix
)
302 struct object_array_entry
*objects
;
303 int i
, count
, ret
= 0;
305 git_config(git_log_config
, NULL
);
307 if (diff_use_color_default
== -1)
308 diff_use_color_default
= git_use_color_default
;
310 init_revisions(&rev
, prefix
);
312 rev
.combine_merges
= 1;
313 rev
.dense_combined_merges
= 1;
314 rev
.always_show_header
= 1;
315 rev
.ignore_merges
= 0;
317 cmd_log_init(argc
, argv
, prefix
, &rev
);
319 count
= rev
.pending
.nr
;
320 objects
= rev
.pending
.objects
;
321 for (i
= 0; i
< count
&& !ret
; i
++) {
322 struct object
*o
= objects
[i
].item
;
323 const char *name
= objects
[i
].name
;
326 ret
= show_object(o
->sha1
, 0, NULL
);
329 struct tag
*t
= (struct tag
*)o
;
331 printf("%stag %s%s\n",
332 diff_get_color_opt(&rev
.diffopt
, DIFF_COMMIT
),
334 diff_get_color_opt(&rev
.diffopt
, DIFF_RESET
));
335 ret
= show_object(o
->sha1
, 1, &rev
);
338 o
= parse_object(t
->tagged
->sha1
);
340 ret
= error("Could not read object %s",
341 sha1_to_hex(t
->tagged
->sha1
));
347 printf("%stree %s%s\n\n",
348 diff_get_color_opt(&rev
.diffopt
, DIFF_COMMIT
),
350 diff_get_color_opt(&rev
.diffopt
, DIFF_RESET
));
351 read_tree_recursive((struct tree
*)o
, "", 0, 0, NULL
,
352 show_tree_object
, NULL
);
355 rev
.pending
.nr
= rev
.pending
.alloc
= 0;
356 rev
.pending
.objects
= NULL
;
357 add_object_array(o
, name
, &rev
.pending
);
358 ret
= cmd_log_walk(&rev
);
361 ret
= error("Unknown type: %d", o
->type
);
369 * This is equivalent to "git log -g --abbrev-commit --pretty=oneline"
371 int cmd_log_reflog(int argc
, const char **argv
, const char *prefix
)
375 git_config(git_log_config
, NULL
);
377 if (diff_use_color_default
== -1)
378 diff_use_color_default
= git_use_color_default
;
380 init_revisions(&rev
, prefix
);
381 init_reflog_walk(&rev
.reflog_info
);
382 rev
.abbrev_commit
= 1;
383 rev
.verbose_header
= 1;
384 cmd_log_init(argc
, argv
, prefix
, &rev
);
387 * This means that we override whatever commit format the user gave
388 * on the cmd line. Sad, but cmd_log_init() currently doesn't
389 * allow us to set a different default.
391 rev
.commit_format
= CMIT_FMT_ONELINE
;
392 rev
.use_terminator
= 1;
393 rev
.always_show_header
= 1;
396 * We get called through "git reflog", so unlike the other log
397 * routines, we need to set up our pager manually..
401 return cmd_log_walk(&rev
);
404 int cmd_log(int argc
, const char **argv
, const char *prefix
)
408 git_config(git_log_config
, NULL
);
410 if (diff_use_color_default
== -1)
411 diff_use_color_default
= git_use_color_default
;
413 init_revisions(&rev
, prefix
);
414 rev
.always_show_header
= 1;
415 cmd_log_init(argc
, argv
, prefix
, &rev
);
416 return cmd_log_walk(&rev
);
420 #define FORMAT_PATCH_NAME_MAX 64
422 static int istitlechar(char c
)
424 return (c
>= 'a' && c
<= 'z') || (c
>= 'A' && c
<= 'Z') ||
425 (c
>= '0' && c
<= '9') || c
== '.' || c
== '_';
428 static const char *fmt_patch_suffix
= ".patch";
429 static int numbered
= 0;
430 static int auto_number
= 1;
432 static char **extra_hdr
;
433 static int extra_hdr_nr
;
434 static int extra_hdr_alloc
;
436 static char **extra_to
;
437 static int extra_to_nr
;
438 static int extra_to_alloc
;
440 static char **extra_cc
;
441 static int extra_cc_nr
;
442 static int extra_cc_alloc
;
444 static void add_header(const char *value
)
446 int len
= strlen(value
);
447 while (len
&& value
[len
- 1] == '\n')
449 if (!strncasecmp(value
, "to: ", 4)) {
450 ALLOC_GROW(extra_to
, extra_to_nr
+ 1, extra_to_alloc
);
451 extra_to
[extra_to_nr
++] = xstrndup(value
+ 4, len
- 4);
454 if (!strncasecmp(value
, "cc: ", 4)) {
455 ALLOC_GROW(extra_cc
, extra_cc_nr
+ 1, extra_cc_alloc
);
456 extra_cc
[extra_cc_nr
++] = xstrndup(value
+ 4, len
- 4);
459 ALLOC_GROW(extra_hdr
, extra_hdr_nr
+ 1, extra_hdr_alloc
);
460 extra_hdr
[extra_hdr_nr
++] = xstrndup(value
, len
);
463 static int git_format_config(const char *var
, const char *value
, void *cb
)
465 if (!strcmp(var
, "format.headers")) {
467 die("format.headers without value");
471 if (!strcmp(var
, "format.suffix"))
472 return git_config_string(&fmt_patch_suffix
, var
, value
);
473 if (!strcmp(var
, "format.cc")) {
475 return config_error_nonbool(var
);
476 ALLOC_GROW(extra_cc
, extra_cc_nr
+ 1, extra_cc_alloc
);
477 extra_cc
[extra_cc_nr
++] = xstrdup(value
);
480 if (!strcmp(var
, "diff.color") || !strcmp(var
, "color.diff")) {
483 if (!strcmp(var
, "format.numbered")) {
484 if (value
&& !strcasecmp(value
, "auto")) {
488 numbered
= git_config_bool(var
, value
);
489 auto_number
= auto_number
&& numbered
;
493 return git_log_config(var
, value
, cb
);
497 static const char *get_oneline_for_filename(struct commit
*commit
,
500 static char filename
[PATH_MAX
];
503 int suffix_len
= strlen(fmt_patch_suffix
) + 1;
505 sol
= strstr(commit
->buffer
, "\n\n");
512 /* strip [PATCH] or [PATCH blabla] */
513 if (!keep_subject
&& !prefixcmp(sol
, "[PATCH")) {
514 char *eos
= strchr(sol
+ 6, ']');
516 while (isspace(*eos
))
523 j
< FORMAT_PATCH_NAME_MAX
- suffix_len
- 5 &&
524 len
< sizeof(filename
) - suffix_len
&&
525 sol
[j
] && sol
[j
] != '\n';
527 if (istitlechar(sol
[j
])) {
529 filename
[len
++] = '-';
532 filename
[len
++] = sol
[j
];
534 while (sol
[j
+ 1] == '.')
539 while (filename
[len
- 1] == '.'
540 || filename
[len
- 1] == '-')
542 filename
[len
] = '\0';
547 static FILE *realstdout
= NULL
;
548 static const char *output_directory
= NULL
;
549 static int outdir_offset
;
551 static int reopen_stdout(const char *oneline
, int nr
, int total
)
553 char filename
[PATH_MAX
];
555 int suffix_len
= strlen(fmt_patch_suffix
) + 1;
557 if (output_directory
) {
558 len
= snprintf(filename
, sizeof(filename
), "%s",
561 sizeof(filename
) - FORMAT_PATCH_NAME_MAX
- suffix_len
)
562 return error("name of output directory is too long");
563 if (filename
[len
- 1] != '/')
564 filename
[len
++] = '/';
568 len
+= sprintf(filename
+ len
, "%d", nr
);
570 len
+= sprintf(filename
+ len
, "%04d-", nr
);
571 len
+= snprintf(filename
+ len
, sizeof(filename
) - len
- 1
572 - suffix_len
, "%s", oneline
);
573 strcpy(filename
+ len
, fmt_patch_suffix
);
576 fprintf(realstdout
, "%s\n", filename
+ outdir_offset
);
577 if (freopen(filename
, "w", stdout
) == NULL
)
578 return error("Cannot open patch file %s",filename
);
583 static void get_patch_ids(struct rev_info
*rev
, struct patch_ids
*ids
, const char *prefix
)
585 struct rev_info check_rev
;
586 struct commit
*commit
;
587 struct object
*o1
, *o2
;
588 unsigned flags1
, flags2
;
590 if (rev
->pending
.nr
!= 2)
591 die("Need exactly one range.");
593 o1
= rev
->pending
.objects
[0].item
;
595 o2
= rev
->pending
.objects
[1].item
;
598 if ((flags1
& UNINTERESTING
) == (flags2
& UNINTERESTING
))
603 /* given a range a..b get all patch ids for b..a */
604 init_revisions(&check_rev
, prefix
);
605 o1
->flags
^= UNINTERESTING
;
606 o2
->flags
^= UNINTERESTING
;
607 add_pending_object(&check_rev
, o1
, "o1");
608 add_pending_object(&check_rev
, o2
, "o2");
609 if (prepare_revision_walk(&check_rev
))
610 die("revision walk setup failed");
612 while ((commit
= get_revision(&check_rev
)) != NULL
) {
614 if (commit
->parents
&& commit
->parents
->next
)
617 add_commit_patch_id(commit
, ids
);
620 /* reset for next revision walk */
621 clear_commit_marks((struct commit
*)o1
,
622 SEEN
| UNINTERESTING
| SHOWN
| ADDED
);
623 clear_commit_marks((struct commit
*)o2
,
624 SEEN
| UNINTERESTING
| SHOWN
| ADDED
);
629 static void gen_message_id(struct rev_info
*info
, char *base
)
631 const char *committer
= git_committer_info(IDENT_WARN_ON_NO_NAME
);
632 const char *email_start
= strrchr(committer
, '<');
633 const char *email_end
= strrchr(committer
, '>');
634 struct strbuf buf
= STRBUF_INIT
;
635 if (!email_start
|| !email_end
|| email_start
> email_end
- 1)
636 die("Could not extract email from committer identity.");
637 strbuf_addf(&buf
, "%s.%lu.git.%.*s", base
,
638 (unsigned long) time(NULL
),
639 (int)(email_end
- email_start
- 1), email_start
+ 1);
640 info
->message_id
= strbuf_detach(&buf
, NULL
);
643 static void make_cover_letter(struct rev_info
*rev
, int use_stdout
,
644 int numbered
, int numbered_files
,
645 struct commit
*origin
,
646 int nr
, struct commit
**list
, struct commit
*head
)
648 const char *committer
;
650 const char *subject_start
= NULL
;
651 const char *body
= "*** SUBJECT HERE ***\n\n*** BLURB HERE ***\n";
653 const char *extra_headers
= rev
->extra_headers
;
655 struct strbuf sb
= STRBUF_INIT
;
657 const char *encoding
= "utf-8";
658 struct diff_options opts
;
659 int need_8bit_cte
= 0;
661 if (rev
->commit_format
!= CMIT_FMT_EMAIL
)
662 die("Cover letter needs email format");
664 if (!use_stdout
&& reopen_stdout(numbered_files
?
665 NULL
: "cover-letter", 0, rev
->total
))
668 head_sha1
= sha1_to_hex(head
->object
.sha1
);
670 log_write_email_headers(rev
, head_sha1
, &subject_start
, &extra_headers
,
673 committer
= git_committer_info(0);
676 pp_user_info(NULL
, CMIT_FMT_EMAIL
, &sb
, committer
, DATE_RFC2822
,
678 pp_title_line(CMIT_FMT_EMAIL
, &msg
, &sb
, subject_start
, extra_headers
,
679 encoding
, need_8bit_cte
);
680 pp_remainder(CMIT_FMT_EMAIL
, &msg
, &sb
, 0);
681 printf("%s\n", sb
.buf
);
690 for (i
= 0; i
< nr
; i
++)
691 shortlog_add_commit(&log
, list
[i
]);
693 shortlog_output(&log
);
696 * We can only do diffstat with a unique reference point
701 memcpy(&opts
, &rev
->diffopt
, sizeof(opts
));
702 opts
.output_format
= DIFF_FORMAT_SUMMARY
| DIFF_FORMAT_DIFFSTAT
;
704 diff_setup_done(&opts
);
706 diff_tree_sha1(origin
->tree
->object
.sha1
,
707 head
->tree
->object
.sha1
,
715 static const char *clean_message_id(const char *msg_id
)
718 const char *a
, *z
, *m
;
721 while ((ch
= *m
) && (isspace(ch
) || (ch
== '<')))
726 if (!isspace(ch
) && (ch
!= '>'))
731 die("insane in-reply-to: %s", msg_id
);
734 return xmemdupz(a
, z
- a
);
737 static const char *set_outdir(const char *prefix
, const char *output_directory
)
739 if (output_directory
&& is_absolute_path(output_directory
))
740 return output_directory
;
742 if (!prefix
|| !*prefix
) {
743 if (output_directory
)
744 return output_directory
;
745 /* The user did not explicitly ask for "./" */
750 outdir_offset
= strlen(prefix
);
751 if (!output_directory
)
754 return xstrdup(prefix_filename(prefix
, outdir_offset
,
758 int cmd_format_patch(int argc
, const char **argv
, const char *prefix
)
760 struct commit
*commit
;
761 struct commit
**list
= NULL
;
763 int nr
= 0, total
, i
, j
;
765 int start_number
= -1;
766 int keep_subject
= 0;
767 int numbered_files
= 0; /* _just_ numbers */
768 int subject_prefix
= 0;
769 int ignore_if_in_upstream
= 0;
771 int cover_letter
= 0;
772 int boundary_count
= 0;
773 int no_binary_diff
= 0;
774 struct commit
*origin
= NULL
, *head
= NULL
;
775 const char *in_reply_to
= NULL
;
776 struct patch_ids ids
;
777 char *add_signoff
= NULL
;
778 struct strbuf buf
= STRBUF_INIT
;
780 git_config(git_format_config
, NULL
);
781 init_revisions(&rev
, prefix
);
782 rev
.commit_format
= CMIT_FMT_EMAIL
;
783 rev
.verbose_header
= 1;
785 rev
.combine_merges
= 0;
786 rev
.ignore_merges
= 1;
787 DIFF_OPT_SET(&rev
.diffopt
, RECURSIVE
);
789 rev
.subject_prefix
= fmt_patch_subject_prefix
;
792 * Parse the arguments before setup_revisions(), or something
793 * like "git format-patch -o a123 HEAD^.." may fail; a123 is
794 * possibly a valid SHA1.
796 for (i
= 1, j
= 1; i
< argc
; i
++) {
797 if (!strcmp(argv
[i
], "--stdout"))
799 else if (!strcmp(argv
[i
], "-n") ||
800 !strcmp(argv
[i
], "--numbered"))
802 else if (!strcmp(argv
[i
], "-N") ||
803 !strcmp(argv
[i
], "--no-numbered")) {
807 else if (!prefixcmp(argv
[i
], "--start-number="))
808 start_number
= strtol(argv
[i
] + 15, NULL
, 10);
809 else if (!strcmp(argv
[i
], "--numbered-files"))
811 else if (!strcmp(argv
[i
], "--start-number")) {
814 die("Need a number for --start-number");
815 start_number
= strtol(argv
[i
], NULL
, 10);
817 else if (!prefixcmp(argv
[i
], "--cc=")) {
818 ALLOC_GROW(extra_cc
, extra_cc_nr
+ 1, extra_cc_alloc
);
819 extra_cc
[extra_cc_nr
++] = xstrdup(argv
[i
] + 5);
821 else if (!strcmp(argv
[i
], "-k") ||
822 !strcmp(argv
[i
], "--keep-subject")) {
826 else if (!strcmp(argv
[i
], "--output-directory") ||
827 !strcmp(argv
[i
], "-o")) {
830 die("Which directory?");
831 if (output_directory
)
832 die("Two output directories?");
833 output_directory
= argv
[i
];
835 else if (!strcmp(argv
[i
], "--signoff") ||
836 !strcmp(argv
[i
], "-s")) {
837 const char *committer
;
839 committer
= git_committer_info(IDENT_ERROR_ON_NO_NAME
);
840 endpos
= strchr(committer
, '>');
842 die("bogus committer info %s", committer
);
843 add_signoff
= xmemdupz(committer
, endpos
- committer
+ 1);
845 else if (!strcmp(argv
[i
], "--attach")) {
846 rev
.mime_boundary
= git_version_string
;
849 else if (!prefixcmp(argv
[i
], "--attach=")) {
850 rev
.mime_boundary
= argv
[i
] + 9;
853 else if (!strcmp(argv
[i
], "--inline")) {
854 rev
.mime_boundary
= git_version_string
;
857 else if (!prefixcmp(argv
[i
], "--inline=")) {
858 rev
.mime_boundary
= argv
[i
] + 9;
861 else if (!strcmp(argv
[i
], "--ignore-if-in-upstream"))
862 ignore_if_in_upstream
= 1;
863 else if (!strcmp(argv
[i
], "--thread"))
865 else if (!prefixcmp(argv
[i
], "--in-reply-to="))
866 in_reply_to
= argv
[i
] + 14;
867 else if (!strcmp(argv
[i
], "--in-reply-to")) {
870 die("Need a Message-Id for --in-reply-to");
871 in_reply_to
= argv
[i
];
872 } else if (!prefixcmp(argv
[i
], "--subject-prefix=")) {
874 rev
.subject_prefix
= argv
[i
] + 17;
875 } else if (!prefixcmp(argv
[i
], "--suffix="))
876 fmt_patch_suffix
= argv
[i
] + 9;
877 else if (!strcmp(argv
[i
], "--cover-letter"))
879 else if (!strcmp(argv
[i
], "--no-binary"))
886 for (i
= 0; i
< extra_hdr_nr
; i
++) {
887 strbuf_addstr(&buf
, extra_hdr
[i
]);
888 strbuf_addch(&buf
, '\n');
892 strbuf_addstr(&buf
, "To: ");
893 for (i
= 0; i
< extra_to_nr
; i
++) {
895 strbuf_addstr(&buf
, " ");
896 strbuf_addstr(&buf
, extra_to
[i
]);
897 if (i
+ 1 < extra_to_nr
)
898 strbuf_addch(&buf
, ',');
899 strbuf_addch(&buf
, '\n');
903 strbuf_addstr(&buf
, "Cc: ");
904 for (i
= 0; i
< extra_cc_nr
; i
++) {
906 strbuf_addstr(&buf
, " ");
907 strbuf_addstr(&buf
, extra_cc
[i
]);
908 if (i
+ 1 < extra_cc_nr
)
909 strbuf_addch(&buf
, ',');
910 strbuf_addch(&buf
, '\n');
913 rev
.extra_headers
= strbuf_detach(&buf
, 0);
915 if (start_number
< 0)
917 if (numbered
&& keep_subject
)
918 die ("-n and -k are mutually exclusive.");
919 if (keep_subject
&& subject_prefix
)
920 die ("--subject-prefix and -k are mutually exclusive.");
921 if (numbered_files
&& use_stdout
)
922 die ("--numbered-files and --stdout are mutually exclusive.");
924 argc
= setup_revisions(argc
, argv
, &rev
, "HEAD");
926 die ("unrecognized argument: %s", argv
[1]);
928 if (!rev
.diffopt
.output_format
929 || rev
.diffopt
.output_format
== DIFF_FORMAT_PATCH
)
930 rev
.diffopt
.output_format
= DIFF_FORMAT_DIFFSTAT
| DIFF_FORMAT_SUMMARY
| DIFF_FORMAT_PATCH
;
932 if (!DIFF_OPT_TST(&rev
.diffopt
, TEXT
) && !no_binary_diff
)
933 DIFF_OPT_SET(&rev
.diffopt
, BINARY
);
936 output_directory
= set_outdir(prefix
, output_directory
);
938 if (output_directory
) {
940 die("standard output, or directory, which one?");
941 if (mkdir(output_directory
, 0777) < 0 && errno
!= EEXIST
)
942 die("Could not create directory %s",
946 if (rev
.pending
.nr
== 1) {
947 if (rev
.max_count
< 0 && !rev
.show_root_diff
) {
949 * This is traditional behaviour of "git format-patch
950 * origin" that prepares what the origin side still
953 rev
.pending
.objects
[0].item
->flags
|= UNINTERESTING
;
954 add_head_to_pending(&rev
);
957 * Otherwise, it is "format-patch -22 HEAD", and/or
958 * "format-patch --root HEAD". The user wants
959 * get_revision() to do the usual traversal.
964 * We cannot move this anywhere earlier because we do want to
965 * know if --root was given explicitly from the comand line.
967 rev
.show_root_diff
= 1;
970 /* remember the range */
972 for (i
= 0; i
< rev
.pending
.nr
; i
++) {
973 struct object
*o
= rev
.pending
.objects
[i
].item
;
974 if (!(o
->flags
& UNINTERESTING
))
975 head
= (struct commit
*)o
;
977 /* We can't generate a cover letter without any patches */
982 if (ignore_if_in_upstream
)
983 get_patch_ids(&rev
, &ids
, prefix
);
986 realstdout
= xfdopen(xdup(1), "w");
988 if (prepare_revision_walk(&rev
))
989 die("revision walk setup failed");
991 while ((commit
= get_revision(&rev
)) != NULL
) {
992 if (commit
->object
.flags
& BOUNDARY
) {
994 origin
= (boundary_count
== 1) ? commit
: NULL
;
999 if (commit
->parents
&& commit
->parents
->next
)
1002 if (ignore_if_in_upstream
&&
1003 has_commit_patch_id(commit
, &ids
))
1007 list
= xrealloc(list
, nr
* sizeof(list
[0]));
1008 list
[nr
- 1] = commit
;
1011 if (!keep_subject
&& auto_number
&& total
> 1)
1014 rev
.total
= total
+ start_number
- 1;
1015 if (in_reply_to
|| thread
|| cover_letter
)
1016 rev
.ref_message_ids
= xcalloc(1, sizeof(struct string_list
));
1018 const char *msgid
= clean_message_id(in_reply_to
);
1019 string_list_append(msgid
, rev
.ref_message_ids
);
1023 gen_message_id(&rev
, "cover");
1024 make_cover_letter(&rev
, use_stdout
, numbered
, numbered_files
,
1025 origin
, nr
, list
, head
);
1029 rev
.add_signoff
= add_signoff
;
1033 rev
.nr
= total
- nr
+ (start_number
- 1);
1034 /* Make the second and subsequent mails replies to the first */
1036 /* Have we already had a message ID? */
1037 if (rev
.message_id
) {
1039 * If we've got the ID to be a reply
1040 * to, discard the current ID;
1041 * otherwise, make everything a reply
1044 if (rev
.ref_message_ids
->nr
> 0)
1045 free(rev
.message_id
);
1047 string_list_append(rev
.message_id
,
1048 rev
.ref_message_ids
);
1050 gen_message_id(&rev
, sha1_to_hex(commit
->object
.sha1
));
1052 if (!use_stdout
&& reopen_stdout(numbered_files
? NULL
:
1053 get_oneline_for_filename(commit
, keep_subject
),
1055 die("Failed to create output files");
1056 shown
= log_tree_commit(&rev
, commit
);
1057 free(commit
->buffer
);
1058 commit
->buffer
= NULL
;
1060 /* We put one extra blank line between formatted
1061 * patches and this flag is used by log-tree code
1062 * to see if it needs to emit a LF before showing
1063 * the log; when using one file per patch, we do
1064 * not want the extra blank line.
1069 if (rev
.mime_boundary
)
1070 printf("\n--%s%s--\n\n\n",
1071 mime_boundary_leader
,
1074 printf("-- \n%s\n\n", git_version_string
);
1080 if (ignore_if_in_upstream
)
1081 free_patch_ids(&ids
);
1085 static int add_pending_commit(const char *arg
, struct rev_info
*revs
, int flags
)
1087 unsigned char sha1
[20];
1088 if (get_sha1(arg
, sha1
) == 0) {
1089 struct commit
*commit
= lookup_commit_reference(sha1
);
1091 commit
->object
.flags
|= flags
;
1092 add_pending_object(revs
, &commit
->object
, arg
);
1099 static const char cherry_usage
[] =
1100 "git cherry [-v] [<upstream> [<head> [<limit>]]]";
1101 int cmd_cherry(int argc
, const char **argv
, const char *prefix
)
1103 struct rev_info revs
;
1104 struct patch_ids ids
;
1105 struct commit
*commit
;
1106 struct commit_list
*list
= NULL
;
1107 struct branch
*current_branch
;
1108 const char *upstream
;
1109 const char *head
= "HEAD";
1110 const char *limit
= NULL
;
1113 if (argc
> 1 && !strcmp(argv
[1], "-v")) {
1130 current_branch
= branch_get(NULL
);
1131 if (!current_branch
|| !current_branch
->merge
1132 || !current_branch
->merge
[0]
1133 || !current_branch
->merge
[0]->dst
) {
1134 fprintf(stderr
, "Could not find a tracked"
1135 " remote branch, please"
1136 " specify <upstream> manually.\n");
1137 usage(cherry_usage
);
1140 upstream
= current_branch
->merge
[0]->dst
;
1143 init_revisions(&revs
, prefix
);
1145 revs
.combine_merges
= 0;
1146 revs
.ignore_merges
= 1;
1147 DIFF_OPT_SET(&revs
.diffopt
, RECURSIVE
);
1149 if (add_pending_commit(head
, &revs
, 0))
1150 die("Unknown commit %s", head
);
1151 if (add_pending_commit(upstream
, &revs
, UNINTERESTING
))
1152 die("Unknown commit %s", upstream
);
1154 /* Don't say anything if head and upstream are the same. */
1155 if (revs
.pending
.nr
== 2) {
1156 struct object_array_entry
*o
= revs
.pending
.objects
;
1157 if (hashcmp(o
[0].item
->sha1
, o
[1].item
->sha1
) == 0)
1161 get_patch_ids(&revs
, &ids
, prefix
);
1163 if (limit
&& add_pending_commit(limit
, &revs
, UNINTERESTING
))
1164 die("Unknown commit %s", limit
);
1166 /* reverse the list of commits */
1167 if (prepare_revision_walk(&revs
))
1168 die("revision walk setup failed");
1169 while ((commit
= get_revision(&revs
)) != NULL
) {
1171 if (commit
->parents
&& commit
->parents
->next
)
1174 commit_list_insert(commit
, &list
);
1180 commit
= list
->item
;
1181 if (has_commit_patch_id(commit
, &ids
))
1185 struct strbuf buf
= STRBUF_INIT
;
1186 pretty_print_commit(CMIT_FMT_ONELINE
, commit
,
1187 &buf
, 0, NULL
, NULL
, 0, 0);
1188 printf("%c %s %s\n", sign
,
1189 sha1_to_hex(commit
->object
.sha1
), buf
.buf
);
1190 strbuf_release(&buf
);
1193 printf("%c %s\n", sign
,
1194 sha1_to_hex(commit
->object
.sha1
));
1200 free_patch_ids(&ids
);