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"
21 #include "parse-options.h"
24 #include "streaming.h"
27 #include "gpg-interface.h"
29 /* Set a default date-time format for git log ("log.date" config variable) */
30 static const char *default_date_mode
= NULL
;
32 static int default_abbrev_commit
;
33 static int default_show_root
= 1;
34 static int decoration_style
;
35 static int decoration_given
;
36 static int use_mailmap_config
;
37 static const char *fmt_patch_subject_prefix
= "PATCH";
38 static const char *fmt_pretty
;
40 static const char * const builtin_log_usage
[] = {
41 N_("git log [<options>] [<revision range>] [[--] <path>...]\n")
42 N_(" or: git show [options] <object>..."),
46 struct line_opt_callback_data
{
49 struct string_list args
;
52 static int parse_decoration_style(const char *var
, const char *value
)
54 switch (git_config_maybe_bool(var
, value
)) {
56 return DECORATE_SHORT_REFS
;
62 if (!strcmp(value
, "full"))
63 return DECORATE_FULL_REFS
;
64 else if (!strcmp(value
, "short"))
65 return DECORATE_SHORT_REFS
;
69 static int decorate_callback(const struct option
*opt
, const char *arg
, int unset
)
74 decoration_style
= parse_decoration_style("command line", arg
);
76 decoration_style
= DECORATE_SHORT_REFS
;
78 if (decoration_style
< 0)
79 die("invalid --decorate option: %s", arg
);
86 static int log_line_range_callback(const struct option
*option
, const char *arg
, int unset
)
88 struct line_opt_callback_data
*data
= option
->value
;
93 data
->rev
->line_level_traverse
= 1;
94 string_list_append(&data
->args
, arg
);
99 static void cmd_log_init_defaults(struct rev_info
*rev
)
102 get_commit_format(fmt_pretty
, rev
);
103 rev
->verbose_header
= 1;
104 DIFF_OPT_SET(&rev
->diffopt
, RECURSIVE
);
105 rev
->diffopt
.stat_width
= -1; /* use full terminal width */
106 rev
->diffopt
.stat_graph_width
= -1; /* respect statGraphWidth config */
107 rev
->abbrev_commit
= default_abbrev_commit
;
108 rev
->show_root_diff
= default_show_root
;
109 rev
->subject_prefix
= fmt_patch_subject_prefix
;
110 DIFF_OPT_SET(&rev
->diffopt
, ALLOW_TEXTCONV
);
112 if (default_date_mode
)
113 rev
->date_mode
= parse_date_format(default_date_mode
);
114 rev
->diffopt
.touched_flags
= 0;
117 static void cmd_log_init_finish(int argc
, const char **argv
, const char *prefix
,
118 struct rev_info
*rev
, struct setup_revision_opt
*opt
)
120 struct userformat_want w
;
121 int quiet
= 0, source
= 0, mailmap
= 0;
122 static struct line_opt_callback_data line_cb
= {NULL
, NULL
, STRING_LIST_INIT_DUP
};
124 const struct option builtin_log_options
[] = {
125 OPT__QUIET(&quiet
, N_("suppress diff output")),
126 OPT_BOOL(0, "source", &source
, N_("show source")),
127 OPT_BOOL(0, "use-mailmap", &mailmap
, N_("Use mail map file")),
128 { OPTION_CALLBACK
, 0, "decorate", NULL
, NULL
, N_("decorate options"),
129 PARSE_OPT_OPTARG
, decorate_callback
},
130 OPT_CALLBACK('L', NULL
, &line_cb
, "n,m:file",
131 "Process line range n,m in file, counting from 1",
132 log_line_range_callback
),
137 line_cb
.prefix
= prefix
;
139 mailmap
= use_mailmap_config
;
140 argc
= parse_options(argc
, argv
, prefix
,
141 builtin_log_options
, builtin_log_usage
,
142 PARSE_OPT_KEEP_ARGV0
| PARSE_OPT_KEEP_UNKNOWN
|
143 PARSE_OPT_KEEP_DASHDASH
);
146 rev
->diffopt
.output_format
|= DIFF_FORMAT_NO_OUTPUT
;
147 argc
= setup_revisions(argc
, argv
, rev
, opt
);
149 /* Any arguments at this point are not recognized */
151 die("unrecognized argument: %s", argv
[1]);
153 memset(&w
, 0, sizeof(w
));
154 userformat_find_requirements(NULL
, &w
);
156 if (!rev
->show_notes_given
&& (!rev
->pretty_given
|| w
.notes
))
159 init_display_notes(&rev
->notes_opt
);
161 if (rev
->diffopt
.pickaxe
|| rev
->diffopt
.filter
)
162 rev
->always_show_header
= 0;
163 if (DIFF_OPT_TST(&rev
->diffopt
, FOLLOW_RENAMES
)) {
164 rev
->always_show_header
= 0;
165 if (rev
->diffopt
.pathspec
.nr
!= 1)
166 usage("git logs can only follow renames on one pathname at a time");
170 rev
->show_source
= 1;
173 rev
->mailmap
= xcalloc(1, sizeof(struct string_list
));
174 read_mailmap(rev
->mailmap
, NULL
);
177 if (rev
->pretty_given
&& rev
->commit_format
== CMIT_FMT_RAW
) {
179 * "log --pretty=raw" is special; ignore UI oriented
180 * configuration variables such as decoration.
182 if (!decoration_given
)
183 decoration_style
= 0;
184 if (!rev
->abbrev_commit_given
)
185 rev
->abbrev_commit
= 0;
188 if (decoration_style
) {
189 rev
->show_decorations
= 1;
190 load_ref_decorations(decoration_style
);
193 if (rev
->line_level_traverse
)
194 line_log_init(rev
, line_cb
.prefix
, &line_cb
.args
);
199 static void cmd_log_init(int argc
, const char **argv
, const char *prefix
,
200 struct rev_info
*rev
, struct setup_revision_opt
*opt
)
202 cmd_log_init_defaults(rev
);
203 cmd_log_init_finish(argc
, argv
, prefix
, rev
, opt
);
207 * This gives a rough estimate for how many commits we
208 * will print out in the list.
210 static int estimate_commit_count(struct rev_info
*rev
, struct commit_list
*list
)
215 struct commit
*commit
= list
->item
;
216 unsigned int flags
= commit
->object
.flags
;
218 if (!(flags
& (TREESAME
| UNINTERESTING
)))
224 static void show_early_header(struct rev_info
*rev
, const char *stage
, int nr
)
226 if (rev
->shown_one
) {
228 if (rev
->commit_format
!= CMIT_FMT_ONELINE
)
229 putchar(rev
->diffopt
.line_termination
);
231 printf(_("Final output: %d %s\n"), nr
, stage
);
234 static struct itimerval early_output_timer
;
236 static void log_show_early(struct rev_info
*revs
, struct commit_list
*list
)
238 int i
= revs
->early_output
;
241 sort_in_topological_order(&list
, revs
->sort_order
);
243 struct commit
*commit
= list
->item
;
244 switch (simplify_commit(revs
, commit
)) {
247 int n
= estimate_commit_count(revs
, list
);
248 show_early_header(revs
, "incomplete", n
);
251 log_tree_commit(revs
, commit
);
262 /* Did we already get enough commits for the early output? */
267 * ..if no, then repeat it twice a second until we
270 * NOTE! We don't use "it_interval", because if the
271 * reader isn't listening, we want our output to be
272 * throttled by the writing, and not have the timer
273 * trigger every second even if we're blocked on a
276 early_output_timer
.it_value
.tv_sec
= 0;
277 early_output_timer
.it_value
.tv_usec
= 500000;
278 setitimer(ITIMER_REAL
, &early_output_timer
, NULL
);
281 static void early_output(int signal
)
283 show_early_output
= log_show_early
;
286 static void setup_early_output(struct rev_info
*rev
)
291 * Set up the signal handler, minimally intrusively:
292 * we only set a single volatile integer word (not
293 * using sigatomic_t - trying to avoid unnecessary
294 * system dependencies and headers), and using
297 memset(&sa
, 0, sizeof(sa
));
298 sa
.sa_handler
= early_output
;
299 sigemptyset(&sa
.sa_mask
);
300 sa
.sa_flags
= SA_RESTART
;
301 sigaction(SIGALRM
, &sa
, NULL
);
304 * If we can get the whole output in less than a
305 * tenth of a second, don't even bother doing the
306 * early-output thing..
308 * This is a one-time-only trigger.
310 early_output_timer
.it_value
.tv_sec
= 0;
311 early_output_timer
.it_value
.tv_usec
= 100000;
312 setitimer(ITIMER_REAL
, &early_output_timer
, NULL
);
315 static void finish_early_output(struct rev_info
*rev
)
317 int n
= estimate_commit_count(rev
, rev
->commits
);
318 signal(SIGALRM
, SIG_IGN
);
319 show_early_header(rev
, "done", n
);
322 static int cmd_log_walk(struct rev_info
*rev
)
324 struct commit
*commit
;
328 if (rev
->early_output
)
329 setup_early_output(rev
);
331 if (prepare_revision_walk(rev
))
332 die(_("revision walk setup failed"));
334 if (rev
->early_output
)
335 finish_early_output(rev
);
338 * For --check and --exit-code, the exit code is based on CHECK_FAILED
339 * and HAS_CHANGES being accumulated in rev->diffopt, so be careful to
340 * retain that state information if replacing rev->diffopt in this loop
342 while ((commit
= get_revision(rev
)) != NULL
) {
343 if (!log_tree_commit(rev
, commit
) &&
346 * We decremented max_count in get_revision,
347 * but we didn't actually show the commit.
350 if (!rev
->reflog_info
) {
351 /* we allow cycles in reflog ancestry */
352 free_commit_buffer(commit
);
354 free_commit_list(commit
->parents
);
355 commit
->parents
= NULL
;
356 if (saved_nrl
< rev
->diffopt
.needed_rename_limit
)
357 saved_nrl
= rev
->diffopt
.needed_rename_limit
;
358 if (rev
->diffopt
.degraded_cc_to_c
)
361 rev
->diffopt
.degraded_cc_to_c
= saved_dcctc
;
362 rev
->diffopt
.needed_rename_limit
= saved_nrl
;
364 if (rev
->diffopt
.output_format
& DIFF_FORMAT_CHECKDIFF
&&
365 DIFF_OPT_TST(&rev
->diffopt
, CHECK_FAILED
)) {
368 return diff_result_code(&rev
->diffopt
, 0);
371 static int git_log_config(const char *var
, const char *value
, void *cb
)
373 if (!strcmp(var
, "format.pretty"))
374 return git_config_string(&fmt_pretty
, var
, value
);
375 if (!strcmp(var
, "format.subjectprefix"))
376 return git_config_string(&fmt_patch_subject_prefix
, var
, value
);
377 if (!strcmp(var
, "log.abbrevcommit")) {
378 default_abbrev_commit
= git_config_bool(var
, value
);
381 if (!strcmp(var
, "log.date"))
382 return git_config_string(&default_date_mode
, var
, value
);
383 if (!strcmp(var
, "log.decorate")) {
384 decoration_style
= parse_decoration_style(var
, value
);
385 if (decoration_style
< 0)
386 decoration_style
= 0; /* maybe warn? */
389 if (!strcmp(var
, "log.showroot")) {
390 default_show_root
= git_config_bool(var
, value
);
393 if (starts_with(var
, "color.decorate."))
394 return parse_decorate_color_config(var
, 15, value
);
395 if (!strcmp(var
, "log.mailmap")) {
396 use_mailmap_config
= git_config_bool(var
, value
);
400 if (grep_config(var
, value
, cb
) < 0)
402 if (git_gpg_config(var
, value
, cb
) < 0)
404 return git_diff_ui_config(var
, value
, cb
);
407 int cmd_whatchanged(int argc
, const char **argv
, const char *prefix
)
410 struct setup_revision_opt opt
;
412 init_grep_defaults();
413 git_config(git_log_config
, NULL
);
415 init_revisions(&rev
, prefix
);
417 rev
.simplify_history
= 0;
418 memset(&opt
, 0, sizeof(opt
));
420 opt
.revarg_opt
= REVARG_COMMITTISH
;
421 cmd_log_init(argc
, argv
, prefix
, &rev
, &opt
);
422 if (!rev
.diffopt
.output_format
)
423 rev
.diffopt
.output_format
= DIFF_FORMAT_RAW
;
424 return cmd_log_walk(&rev
);
427 static void show_tagger(char *buf
, int len
, struct rev_info
*rev
)
429 struct strbuf out
= STRBUF_INIT
;
430 struct pretty_print_context pp
= {0};
432 pp
.fmt
= rev
->commit_format
;
433 pp
.date_mode
= rev
->date_mode
;
434 pp_user_info(&pp
, "Tagger", &out
, buf
, get_log_output_encoding());
435 printf("%s", out
.buf
);
436 strbuf_release(&out
);
439 static int show_blob_object(const unsigned char *sha1
, struct rev_info
*rev
, const char *obj_name
)
441 unsigned char sha1c
[20];
442 struct object_context obj_context
;
447 if (!DIFF_OPT_TOUCHED(&rev
->diffopt
, ALLOW_TEXTCONV
) ||
448 !DIFF_OPT_TST(&rev
->diffopt
, ALLOW_TEXTCONV
))
449 return stream_blob_to_fd(1, sha1
, NULL
, 0);
451 if (get_sha1_with_context(obj_name
, 0, sha1c
, &obj_context
))
452 die("Not a valid object name %s", obj_name
);
453 if (!obj_context
.path
[0] ||
454 !textconv_object(obj_context
.path
, obj_context
.mode
, sha1c
, 1, &buf
, &size
))
455 return stream_blob_to_fd(1, sha1
, NULL
, 0);
458 die("git show %s: bad file", obj_name
);
460 write_or_die(1, buf
, size
);
464 static int show_tag_object(const unsigned char *sha1
, struct rev_info
*rev
)
467 enum object_type type
;
468 char *buf
= read_sha1_file(sha1
, &type
, &size
);
472 return error(_("Could not read object %s"), sha1_to_hex(sha1
));
474 assert(type
== OBJ_TAG
);
475 while (offset
< size
&& buf
[offset
] != '\n') {
476 int new_offset
= offset
+ 1;
477 while (new_offset
< size
&& buf
[new_offset
++] != '\n')
479 if (starts_with(buf
+ offset
, "tagger "))
480 show_tagger(buf
+ offset
+ 7,
481 new_offset
- offset
- 7, rev
);
486 fwrite(buf
+ offset
, size
- offset
, 1, stdout
);
491 static int show_tree_object(const unsigned char *sha1
,
492 const char *base
, int baselen
,
493 const char *pathname
, unsigned mode
, int stage
, void *context
)
495 printf("%s%s\n", pathname
, S_ISDIR(mode
) ? "/" : "");
499 static void show_rev_tweak_rev(struct rev_info
*rev
, struct setup_revision_opt
*opt
)
501 if (rev
->ignore_merges
) {
502 /* There was no "-m" on the command line */
503 rev
->ignore_merges
= 0;
504 if (!rev
->first_parent_only
&& !rev
->combine_merges
) {
505 /* No "--first-parent", "-c", or "--cc" */
506 rev
->combine_merges
= 1;
507 rev
->dense_combined_merges
= 1;
510 if (!rev
->diffopt
.output_format
)
511 rev
->diffopt
.output_format
= DIFF_FORMAT_PATCH
;
514 int cmd_show(int argc
, const char **argv
, const char *prefix
)
517 struct object_array_entry
*objects
;
518 struct setup_revision_opt opt
;
519 struct pathspec match_all
;
520 int i
, count
, ret
= 0;
522 init_grep_defaults();
523 git_config(git_log_config
, NULL
);
525 memset(&match_all
, 0, sizeof(match_all
));
526 init_revisions(&rev
, prefix
);
528 rev
.always_show_header
= 1;
529 rev
.no_walk
= REVISION_WALK_NO_WALK_SORTED
;
530 rev
.diffopt
.stat_width
= -1; /* Scale to real terminal size */
532 memset(&opt
, 0, sizeof(opt
));
534 opt
.tweak
= show_rev_tweak_rev
;
535 cmd_log_init(argc
, argv
, prefix
, &rev
, &opt
);
538 return cmd_log_walk(&rev
);
540 count
= rev
.pending
.nr
;
541 objects
= rev
.pending
.objects
;
542 for (i
= 0; i
< count
&& !ret
; i
++) {
543 struct object
*o
= objects
[i
].item
;
544 const char *name
= objects
[i
].name
;
547 ret
= show_blob_object(o
->sha1
, &rev
, name
);
550 struct tag
*t
= (struct tag
*)o
;
554 printf("%stag %s%s\n",
555 diff_get_color_opt(&rev
.diffopt
, DIFF_COMMIT
),
557 diff_get_color_opt(&rev
.diffopt
, DIFF_RESET
));
558 ret
= show_tag_object(o
->sha1
, &rev
);
562 o
= parse_object(t
->tagged
->sha1
);
564 ret
= error(_("Could not read object %s"),
565 sha1_to_hex(t
->tagged
->sha1
));
573 printf("%stree %s%s\n\n",
574 diff_get_color_opt(&rev
.diffopt
, DIFF_COMMIT
),
576 diff_get_color_opt(&rev
.diffopt
, DIFF_RESET
));
577 read_tree_recursive((struct tree
*)o
, "", 0, 0, &match_all
,
578 show_tree_object
, NULL
);
582 rev
.pending
.nr
= rev
.pending
.alloc
= 0;
583 rev
.pending
.objects
= NULL
;
584 add_object_array(o
, name
, &rev
.pending
);
585 ret
= cmd_log_walk(&rev
);
588 ret
= error(_("Unknown type: %d"), o
->type
);
596 * This is equivalent to "git log -g --abbrev-commit --pretty=oneline"
598 int cmd_log_reflog(int argc
, const char **argv
, const char *prefix
)
601 struct setup_revision_opt opt
;
603 init_grep_defaults();
604 git_config(git_log_config
, NULL
);
606 init_revisions(&rev
, prefix
);
607 init_reflog_walk(&rev
.reflog_info
);
608 rev
.verbose_header
= 1;
609 memset(&opt
, 0, sizeof(opt
));
611 cmd_log_init_defaults(&rev
);
612 rev
.abbrev_commit
= 1;
613 rev
.commit_format
= CMIT_FMT_ONELINE
;
614 rev
.use_terminator
= 1;
615 rev
.always_show_header
= 1;
616 cmd_log_init_finish(argc
, argv
, prefix
, &rev
, &opt
);
618 return cmd_log_walk(&rev
);
621 int cmd_log(int argc
, const char **argv
, const char *prefix
)
624 struct setup_revision_opt opt
;
626 init_grep_defaults();
627 git_config(git_log_config
, NULL
);
629 init_revisions(&rev
, prefix
);
630 rev
.always_show_header
= 1;
631 memset(&opt
, 0, sizeof(opt
));
633 opt
.revarg_opt
= REVARG_COMMITTISH
;
634 cmd_log_init(argc
, argv
, prefix
, &rev
, &opt
);
635 return cmd_log_walk(&rev
);
640 static const char *fmt_patch_suffix
= ".patch";
641 static int numbered
= 0;
642 static int auto_number
= 1;
644 static char *default_attach
= NULL
;
646 static struct string_list extra_hdr
;
647 static struct string_list extra_to
;
648 static struct string_list extra_cc
;
650 static void add_header(const char *value
)
652 struct string_list_item
*item
;
653 int len
= strlen(value
);
654 while (len
&& value
[len
- 1] == '\n')
657 if (!strncasecmp(value
, "to: ", 4)) {
658 item
= string_list_append(&extra_to
, value
+ 4);
660 } else if (!strncasecmp(value
, "cc: ", 4)) {
661 item
= string_list_append(&extra_cc
, value
+ 4);
664 item
= string_list_append(&extra_hdr
, value
);
667 item
->string
[len
] = '\0';
670 #define THREAD_SHALLOW 1
671 #define THREAD_DEEP 2
673 static int do_signoff
;
674 static const char *signature
= git_version_string
;
675 static int config_cover_letter
;
684 static int git_format_config(const char *var
, const char *value
, void *cb
)
686 if (!strcmp(var
, "format.headers")) {
688 die(_("format.headers without value"));
692 if (!strcmp(var
, "format.suffix"))
693 return git_config_string(&fmt_patch_suffix
, var
, value
);
694 if (!strcmp(var
, "format.to")) {
696 return config_error_nonbool(var
);
697 string_list_append(&extra_to
, value
);
700 if (!strcmp(var
, "format.cc")) {
702 return config_error_nonbool(var
);
703 string_list_append(&extra_cc
, value
);
706 if (!strcmp(var
, "diff.color") || !strcmp(var
, "color.diff") ||
707 !strcmp(var
, "color.ui")) {
710 if (!strcmp(var
, "format.numbered")) {
711 if (value
&& !strcasecmp(value
, "auto")) {
715 numbered
= git_config_bool(var
, value
);
716 auto_number
= auto_number
&& numbered
;
719 if (!strcmp(var
, "format.attach")) {
721 default_attach
= xstrdup(value
);
723 default_attach
= xstrdup(git_version_string
);
726 if (!strcmp(var
, "format.thread")) {
727 if (value
&& !strcasecmp(value
, "deep")) {
728 thread
= THREAD_DEEP
;
731 if (value
&& !strcasecmp(value
, "shallow")) {
732 thread
= THREAD_SHALLOW
;
735 thread
= git_config_bool(var
, value
) && THREAD_SHALLOW
;
738 if (!strcmp(var
, "format.signoff")) {
739 do_signoff
= git_config_bool(var
, value
);
742 if (!strcmp(var
, "format.signature"))
743 return git_config_string(&signature
, var
, value
);
744 if (!strcmp(var
, "format.coverletter")) {
745 if (value
&& !strcasecmp(value
, "auto")) {
746 config_cover_letter
= COVER_AUTO
;
749 config_cover_letter
= git_config_bool(var
, value
) ? COVER_ON
: COVER_OFF
;
753 return git_log_config(var
, value
, cb
);
756 static FILE *realstdout
= NULL
;
757 static const char *output_directory
= NULL
;
758 static int outdir_offset
;
760 static int reopen_stdout(struct commit
*commit
, const char *subject
,
761 struct rev_info
*rev
, int quiet
)
763 struct strbuf filename
= STRBUF_INIT
;
764 int suffix_len
= strlen(rev
->patch_suffix
) + 1;
766 if (output_directory
) {
767 strbuf_addstr(&filename
, output_directory
);
769 PATH_MAX
- FORMAT_PATCH_NAME_MAX
- suffix_len
)
770 return error(_("name of output directory is too long"));
771 if (filename
.buf
[filename
.len
- 1] != '/')
772 strbuf_addch(&filename
, '/');
775 if (rev
->numbered_files
)
776 strbuf_addf(&filename
, "%d", rev
->nr
);
778 fmt_output_commit(&filename
, commit
, rev
);
780 fmt_output_subject(&filename
, subject
, rev
);
783 fprintf(realstdout
, "%s\n", filename
.buf
+ outdir_offset
);
785 if (freopen(filename
.buf
, "w", stdout
) == NULL
)
786 return error(_("Cannot open patch file %s"), filename
.buf
);
788 strbuf_release(&filename
);
792 static void get_patch_ids(struct rev_info
*rev
, struct patch_ids
*ids
)
794 struct rev_info check_rev
;
795 struct commit
*commit
;
796 struct object
*o1
, *o2
;
797 unsigned flags1
, flags2
;
799 if (rev
->pending
.nr
!= 2)
800 die(_("Need exactly one range."));
802 o1
= rev
->pending
.objects
[0].item
;
804 o2
= rev
->pending
.objects
[1].item
;
807 if ((flags1
& UNINTERESTING
) == (flags2
& UNINTERESTING
))
808 die(_("Not a range."));
812 /* given a range a..b get all patch ids for b..a */
813 init_revisions(&check_rev
, rev
->prefix
);
814 check_rev
.max_parents
= 1;
815 o1
->flags
^= UNINTERESTING
;
816 o2
->flags
^= UNINTERESTING
;
817 add_pending_object(&check_rev
, o1
, "o1");
818 add_pending_object(&check_rev
, o2
, "o2");
819 if (prepare_revision_walk(&check_rev
))
820 die(_("revision walk setup failed"));
822 while ((commit
= get_revision(&check_rev
)) != NULL
) {
823 add_commit_patch_id(commit
, ids
);
826 /* reset for next revision walk */
827 clear_commit_marks((struct commit
*)o1
,
828 SEEN
| UNINTERESTING
| SHOWN
| ADDED
);
829 clear_commit_marks((struct commit
*)o2
,
830 SEEN
| UNINTERESTING
| SHOWN
| ADDED
);
835 static void gen_message_id(struct rev_info
*info
, char *base
)
837 struct strbuf buf
= STRBUF_INIT
;
838 strbuf_addf(&buf
, "%s.%lu.git.%s", base
,
839 (unsigned long) time(NULL
),
840 git_committer_info(IDENT_NO_NAME
|IDENT_NO_DATE
|IDENT_STRICT
));
841 info
->message_id
= strbuf_detach(&buf
, NULL
);
844 static void print_signature(void)
846 if (signature
&& *signature
)
847 printf("-- \n%s\n\n", signature
);
850 static void add_branch_description(struct strbuf
*buf
, const char *branch_name
)
852 struct strbuf desc
= STRBUF_INIT
;
853 if (!branch_name
|| !*branch_name
)
855 read_branch_desc(&desc
, branch_name
);
857 strbuf_addch(buf
, '\n');
858 strbuf_add(buf
, desc
.buf
, desc
.len
);
859 strbuf_addch(buf
, '\n');
863 static char *find_branch_name(struct rev_info
*rev
)
865 int i
, positive
= -1;
866 unsigned char branch_sha1
[20];
867 const unsigned char *tip_sha1
;
869 char *full_ref
, *branch
= NULL
;
871 for (i
= 0; i
< rev
->cmdline
.nr
; i
++) {
872 if (rev
->cmdline
.rev
[i
].flags
& UNINTERESTING
)
881 ref
= rev
->cmdline
.rev
[positive
].name
;
882 tip_sha1
= rev
->cmdline
.rev
[positive
].item
->sha1
;
883 if (dwim_ref(ref
, strlen(ref
), branch_sha1
, &full_ref
) &&
884 starts_with(full_ref
, "refs/heads/") &&
885 !hashcmp(tip_sha1
, branch_sha1
))
886 branch
= xstrdup(full_ref
+ strlen("refs/heads/"));
891 static void make_cover_letter(struct rev_info
*rev
, int use_stdout
,
892 struct commit
*origin
,
893 int nr
, struct commit
**list
,
894 const char *branch_name
,
897 const char *committer
;
898 const char *body
= "*** SUBJECT HERE ***\n\n*** BLURB HERE ***\n";
901 struct strbuf sb
= STRBUF_INIT
;
903 const char *encoding
= "UTF-8";
904 struct diff_options opts
;
905 int need_8bit_cte
= 0;
906 struct pretty_print_context pp
= {0};
907 struct commit
*head
= list
[0];
909 if (rev
->commit_format
!= CMIT_FMT_EMAIL
)
910 die(_("Cover letter needs email format"));
912 committer
= git_committer_info(0);
915 reopen_stdout(NULL
, rev
->numbered_files
? NULL
: "cover-letter", rev
, quiet
))
918 log_write_email_headers(rev
, head
, &pp
.subject
, &pp
.after_subject
,
921 for (i
= 0; !need_8bit_cte
&& i
< nr
; i
++) {
922 const char *buf
= get_commit_buffer(list
[i
], NULL
);
923 if (has_non_ascii(buf
))
925 unuse_commit_buffer(list
[i
], buf
);
929 branch_name
= find_branch_name(rev
);
932 pp
.fmt
= CMIT_FMT_EMAIL
;
933 pp
.date_mode
= DATE_RFC2822
;
934 pp_user_info(&pp
, NULL
, &sb
, committer
, encoding
);
935 pp_title_line(&pp
, &msg
, &sb
, encoding
, need_8bit_cte
);
936 pp_remainder(&pp
, &msg
, &sb
, 0);
937 add_branch_description(&sb
, branch_name
);
938 printf("%s\n", sb
.buf
);
947 for (i
= 0; i
< nr
; i
++)
948 shortlog_add_commit(&log
, list
[i
]);
950 shortlog_output(&log
);
953 * We can only do diffstat with a unique reference point
958 memcpy(&opts
, &rev
->diffopt
, sizeof(opts
));
959 opts
.output_format
= DIFF_FORMAT_SUMMARY
| DIFF_FORMAT_DIFFSTAT
;
961 diff_setup_done(&opts
);
963 diff_tree_sha1(origin
->tree
->object
.sha1
,
964 head
->tree
->object
.sha1
,
973 static const char *clean_message_id(const char *msg_id
)
976 const char *a
, *z
, *m
;
979 while ((ch
= *m
) && (isspace(ch
) || (ch
== '<')))
984 if (!isspace(ch
) && (ch
!= '>'))
989 die(_("insane in-reply-to: %s"), msg_id
);
992 return xmemdupz(a
, z
- a
);
995 static const char *set_outdir(const char *prefix
, const char *output_directory
)
997 if (output_directory
&& is_absolute_path(output_directory
))
998 return output_directory
;
1000 if (!prefix
|| !*prefix
) {
1001 if (output_directory
)
1002 return output_directory
;
1003 /* The user did not explicitly ask for "./" */
1008 outdir_offset
= strlen(prefix
);
1009 if (!output_directory
)
1012 return xstrdup(prefix_filename(prefix
, outdir_offset
,
1016 static const char * const builtin_format_patch_usage
[] = {
1017 N_("git format-patch [options] [<since> | <revision range>]"),
1021 static int keep_subject
= 0;
1023 static int keep_callback(const struct option
*opt
, const char *arg
, int unset
)
1025 ((struct rev_info
*)opt
->value
)->total
= -1;
1030 static int subject_prefix
= 0;
1032 static int subject_prefix_callback(const struct option
*opt
, const char *arg
,
1036 ((struct rev_info
*)opt
->value
)->subject_prefix
= arg
;
1040 static int numbered_cmdline_opt
= 0;
1042 static int numbered_callback(const struct option
*opt
, const char *arg
,
1045 *(int *)opt
->value
= numbered_cmdline_opt
= unset
? 0 : 1;
1051 static int no_numbered_callback(const struct option
*opt
, const char *arg
,
1054 return numbered_callback(opt
, arg
, 1);
1057 static int output_directory_callback(const struct option
*opt
, const char *arg
,
1060 const char **dir
= (const char **)opt
->value
;
1062 die(_("Two output directories?"));
1067 static int thread_callback(const struct option
*opt
, const char *arg
, int unset
)
1069 int *thread
= (int *)opt
->value
;
1072 else if (!arg
|| !strcmp(arg
, "shallow"))
1073 *thread
= THREAD_SHALLOW
;
1074 else if (!strcmp(arg
, "deep"))
1075 *thread
= THREAD_DEEP
;
1081 static int attach_callback(const struct option
*opt
, const char *arg
, int unset
)
1083 struct rev_info
*rev
= (struct rev_info
*)opt
->value
;
1085 rev
->mime_boundary
= NULL
;
1087 rev
->mime_boundary
= arg
;
1089 rev
->mime_boundary
= git_version_string
;
1090 rev
->no_inline
= unset
? 0 : 1;
1094 static int inline_callback(const struct option
*opt
, const char *arg
, int unset
)
1096 struct rev_info
*rev
= (struct rev_info
*)opt
->value
;
1098 rev
->mime_boundary
= NULL
;
1100 rev
->mime_boundary
= arg
;
1102 rev
->mime_boundary
= git_version_string
;
1107 static int header_callback(const struct option
*opt
, const char *arg
, int unset
)
1110 string_list_clear(&extra_hdr
, 0);
1111 string_list_clear(&extra_to
, 0);
1112 string_list_clear(&extra_cc
, 0);
1119 static int to_callback(const struct option
*opt
, const char *arg
, int unset
)
1122 string_list_clear(&extra_to
, 0);
1124 string_list_append(&extra_to
, arg
);
1128 static int cc_callback(const struct option
*opt
, const char *arg
, int unset
)
1131 string_list_clear(&extra_cc
, 0);
1133 string_list_append(&extra_cc
, arg
);
1137 static int from_callback(const struct option
*opt
, const char *arg
, int unset
)
1139 char **from
= opt
->value
;
1146 *from
= xstrdup(arg
);
1148 *from
= xstrdup(git_committer_info(IDENT_NO_DATE
));
1152 int cmd_format_patch(int argc
, const char **argv
, const char *prefix
)
1154 struct commit
*commit
;
1155 struct commit
**list
= NULL
;
1156 struct rev_info rev
;
1157 struct setup_revision_opt s_r_opt
;
1158 int nr
= 0, total
, i
;
1160 int start_number
= -1;
1161 int just_numbers
= 0;
1162 int ignore_if_in_upstream
= 0;
1163 int cover_letter
= -1;
1164 int boundary_count
= 0;
1165 int no_binary_diff
= 0;
1166 struct commit
*origin
= NULL
;
1167 const char *in_reply_to
= NULL
;
1168 struct patch_ids ids
;
1169 struct strbuf buf
= STRBUF_INIT
;
1170 int use_patch_format
= 0;
1172 int reroll_count
= -1;
1173 char *branch_name
= NULL
;
1175 const struct option builtin_format_patch_options
[] = {
1176 { OPTION_CALLBACK
, 'n', "numbered", &numbered
, NULL
,
1177 N_("use [PATCH n/m] even with a single patch"),
1178 PARSE_OPT_NOARG
, numbered_callback
},
1179 { OPTION_CALLBACK
, 'N', "no-numbered", &numbered
, NULL
,
1180 N_("use [PATCH] even with multiple patches"),
1181 PARSE_OPT_NOARG
, no_numbered_callback
},
1182 OPT_BOOL('s', "signoff", &do_signoff
, N_("add Signed-off-by:")),
1183 OPT_BOOL(0, "stdout", &use_stdout
,
1184 N_("print patches to standard out")),
1185 OPT_BOOL(0, "cover-letter", &cover_letter
,
1186 N_("generate a cover letter")),
1187 OPT_BOOL(0, "numbered-files", &just_numbers
,
1188 N_("use simple number sequence for output file names")),
1189 OPT_STRING(0, "suffix", &fmt_patch_suffix
, N_("sfx"),
1190 N_("use <sfx> instead of '.patch'")),
1191 OPT_INTEGER(0, "start-number", &start_number
,
1192 N_("start numbering patches at <n> instead of 1")),
1193 OPT_INTEGER('v', "reroll-count", &reroll_count
,
1194 N_("mark the series as Nth re-roll")),
1195 { OPTION_CALLBACK
, 0, "subject-prefix", &rev
, N_("prefix"),
1196 N_("Use [<prefix>] instead of [PATCH]"),
1197 PARSE_OPT_NONEG
, subject_prefix_callback
},
1198 { OPTION_CALLBACK
, 'o', "output-directory", &output_directory
,
1199 N_("dir"), N_("store resulting files in <dir>"),
1200 PARSE_OPT_NONEG
, output_directory_callback
},
1201 { OPTION_CALLBACK
, 'k', "keep-subject", &rev
, NULL
,
1202 N_("don't strip/add [PATCH]"),
1203 PARSE_OPT_NOARG
| PARSE_OPT_NONEG
, keep_callback
},
1204 OPT_BOOL(0, "no-binary", &no_binary_diff
,
1205 N_("don't output binary diffs")),
1206 OPT_BOOL(0, "ignore-if-in-upstream", &ignore_if_in_upstream
,
1207 N_("don't include a patch matching a commit upstream")),
1208 { OPTION_SET_INT
, 'p', "no-stat", &use_patch_format
, NULL
,
1209 N_("show patch format instead of default (patch + stat)"),
1210 PARSE_OPT_NONEG
| PARSE_OPT_NOARG
, NULL
, 1},
1211 OPT_GROUP(N_("Messaging")),
1212 { OPTION_CALLBACK
, 0, "add-header", NULL
, N_("header"),
1213 N_("add email header"), 0, header_callback
},
1214 { OPTION_CALLBACK
, 0, "to", NULL
, N_("email"), N_("add To: header"),
1216 { OPTION_CALLBACK
, 0, "cc", NULL
, N_("email"), N_("add Cc: header"),
1218 { OPTION_CALLBACK
, 0, "from", &from
, N_("ident"),
1219 N_("set From address to <ident> (or committer ident if absent)"),
1220 PARSE_OPT_OPTARG
, from_callback
},
1221 OPT_STRING(0, "in-reply-to", &in_reply_to
, N_("message-id"),
1222 N_("make first mail a reply to <message-id>")),
1223 { OPTION_CALLBACK
, 0, "attach", &rev
, N_("boundary"),
1224 N_("attach the patch"), PARSE_OPT_OPTARG
,
1226 { OPTION_CALLBACK
, 0, "inline", &rev
, N_("boundary"),
1227 N_("inline the patch"),
1228 PARSE_OPT_OPTARG
| PARSE_OPT_NONEG
,
1230 { OPTION_CALLBACK
, 0, "thread", &thread
, N_("style"),
1231 N_("enable message threading, styles: shallow, deep"),
1232 PARSE_OPT_OPTARG
, thread_callback
},
1233 OPT_STRING(0, "signature", &signature
, N_("signature"),
1234 N_("add a signature")),
1235 OPT__QUIET(&quiet
, N_("don't print the patch filenames")),
1239 extra_hdr
.strdup_strings
= 1;
1240 extra_to
.strdup_strings
= 1;
1241 extra_cc
.strdup_strings
= 1;
1242 init_grep_defaults();
1243 git_config(git_format_config
, NULL
);
1244 init_revisions(&rev
, prefix
);
1245 rev
.commit_format
= CMIT_FMT_EMAIL
;
1246 rev
.verbose_header
= 1;
1248 rev
.max_parents
= 1;
1249 DIFF_OPT_SET(&rev
.diffopt
, RECURSIVE
);
1250 rev
.subject_prefix
= fmt_patch_subject_prefix
;
1251 memset(&s_r_opt
, 0, sizeof(s_r_opt
));
1252 s_r_opt
.def
= "HEAD";
1253 s_r_opt
.revarg_opt
= REVARG_COMMITTISH
;
1255 if (default_attach
) {
1256 rev
.mime_boundary
= default_attach
;
1261 * Parse the arguments before setup_revisions(), or something
1262 * like "git format-patch -o a123 HEAD^.." may fail; a123 is
1263 * possibly a valid SHA1.
1265 argc
= parse_options(argc
, argv
, prefix
, builtin_format_patch_options
,
1266 builtin_format_patch_usage
,
1267 PARSE_OPT_KEEP_ARGV0
| PARSE_OPT_KEEP_UNKNOWN
|
1268 PARSE_OPT_KEEP_DASHDASH
);
1270 if (0 < reroll_count
) {
1271 struct strbuf sprefix
= STRBUF_INIT
;
1272 strbuf_addf(&sprefix
, "%s v%d",
1273 rev
.subject_prefix
, reroll_count
);
1274 rev
.reroll_count
= reroll_count
;
1275 rev
.subject_prefix
= strbuf_detach(&sprefix
, NULL
);
1278 for (i
= 0; i
< extra_hdr
.nr
; i
++) {
1279 strbuf_addstr(&buf
, extra_hdr
.items
[i
].string
);
1280 strbuf_addch(&buf
, '\n');
1284 strbuf_addstr(&buf
, "To: ");
1285 for (i
= 0; i
< extra_to
.nr
; i
++) {
1287 strbuf_addstr(&buf
, " ");
1288 strbuf_addstr(&buf
, extra_to
.items
[i
].string
);
1289 if (i
+ 1 < extra_to
.nr
)
1290 strbuf_addch(&buf
, ',');
1291 strbuf_addch(&buf
, '\n');
1295 strbuf_addstr(&buf
, "Cc: ");
1296 for (i
= 0; i
< extra_cc
.nr
; i
++) {
1298 strbuf_addstr(&buf
, " ");
1299 strbuf_addstr(&buf
, extra_cc
.items
[i
].string
);
1300 if (i
+ 1 < extra_cc
.nr
)
1301 strbuf_addch(&buf
, ',');
1302 strbuf_addch(&buf
, '\n');
1305 rev
.extra_headers
= strbuf_detach(&buf
, NULL
);
1308 if (split_ident_line(&rev
.from_ident
, from
, strlen(from
)))
1309 die(_("invalid ident line: %s"), from
);
1312 if (start_number
< 0)
1316 * If numbered is set solely due to format.numbered in config,
1317 * and it would conflict with --keep-subject (-k) from the
1318 * command line, reset "numbered".
1320 if (numbered
&& keep_subject
&& !numbered_cmdline_opt
)
1323 if (numbered
&& keep_subject
)
1324 die (_("-n and -k are mutually exclusive."));
1325 if (keep_subject
&& subject_prefix
)
1326 die (_("--subject-prefix and -k are mutually exclusive."));
1327 rev
.preserve_subject
= keep_subject
;
1329 argc
= setup_revisions(argc
, argv
, &rev
, &s_r_opt
);
1331 die (_("unrecognized argument: %s"), argv
[1]);
1333 if (rev
.diffopt
.output_format
& DIFF_FORMAT_NAME
)
1334 die(_("--name-only does not make sense"));
1335 if (rev
.diffopt
.output_format
& DIFF_FORMAT_NAME_STATUS
)
1336 die(_("--name-status does not make sense"));
1337 if (rev
.diffopt
.output_format
& DIFF_FORMAT_CHECKDIFF
)
1338 die(_("--check does not make sense"));
1340 if (!use_patch_format
&&
1341 (!rev
.diffopt
.output_format
||
1342 rev
.diffopt
.output_format
== DIFF_FORMAT_PATCH
))
1343 rev
.diffopt
.output_format
= DIFF_FORMAT_DIFFSTAT
| DIFF_FORMAT_SUMMARY
;
1345 /* Always generate a patch */
1346 rev
.diffopt
.output_format
|= DIFF_FORMAT_PATCH
;
1348 if (!DIFF_OPT_TST(&rev
.diffopt
, TEXT
) && !no_binary_diff
)
1349 DIFF_OPT_SET(&rev
.diffopt
, BINARY
);
1352 init_display_notes(&rev
.notes_opt
);
1355 output_directory
= set_outdir(prefix
, output_directory
);
1359 if (output_directory
) {
1361 die(_("standard output, or directory, which one?"));
1362 if (mkdir(output_directory
, 0777) < 0 && errno
!= EEXIST
)
1363 die_errno(_("Could not create directory '%s'"),
1367 if (rev
.pending
.nr
== 1) {
1370 if (rev
.max_count
< 0 && !rev
.show_root_diff
) {
1372 * This is traditional behaviour of "git format-patch
1373 * origin" that prepares what the origin side still
1376 rev
.pending
.objects
[0].item
->flags
|= UNINTERESTING
;
1377 add_head_to_pending(&rev
);
1381 * Otherwise, it is "format-patch -22 HEAD", and/or
1382 * "format-patch --root HEAD". The user wants
1383 * get_revision() to do the usual traversal.
1386 if (!strcmp(rev
.pending
.objects
[0].name
, "HEAD"))
1390 unsigned char sha1
[20];
1392 ref
= resolve_ref_unsafe("HEAD", sha1
, 1, NULL
);
1393 if (ref
&& starts_with(ref
, "refs/heads/"))
1394 branch_name
= xstrdup(ref
+ strlen("refs/heads/"));
1396 branch_name
= xstrdup(""); /* no branch */
1401 * We cannot move this anywhere earlier because we do want to
1402 * know if --root was given explicitly from the command line.
1404 rev
.show_root_diff
= 1;
1406 if (ignore_if_in_upstream
) {
1407 /* Don't say anything if head and upstream are the same. */
1408 if (rev
.pending
.nr
== 2) {
1409 struct object_array_entry
*o
= rev
.pending
.objects
;
1410 if (hashcmp(o
[0].item
->sha1
, o
[1].item
->sha1
) == 0)
1413 get_patch_ids(&rev
, &ids
);
1417 realstdout
= xfdopen(xdup(1), "w");
1419 if (prepare_revision_walk(&rev
))
1420 die(_("revision walk setup failed"));
1422 while ((commit
= get_revision(&rev
)) != NULL
) {
1423 if (commit
->object
.flags
& BOUNDARY
) {
1425 origin
= (boundary_count
== 1) ? commit
: NULL
;
1429 if (ignore_if_in_upstream
&&
1430 has_commit_patch_id(commit
, &ids
))
1434 list
= xrealloc(list
, nr
* sizeof(list
[0]));
1435 list
[nr
- 1] = commit
;
1441 if (!keep_subject
&& auto_number
&& total
> 1)
1444 rev
.total
= total
+ start_number
- 1;
1445 if (cover_letter
== -1) {
1446 if (config_cover_letter
== COVER_AUTO
)
1447 cover_letter
= (total
> 1);
1449 cover_letter
= (config_cover_letter
== COVER_ON
);
1452 if (in_reply_to
|| thread
|| cover_letter
)
1453 rev
.ref_message_ids
= xcalloc(1, sizeof(struct string_list
));
1455 const char *msgid
= clean_message_id(in_reply_to
);
1456 string_list_append(rev
.ref_message_ids
, msgid
);
1458 rev
.numbered_files
= just_numbers
;
1459 rev
.patch_suffix
= fmt_patch_suffix
;
1462 gen_message_id(&rev
, "cover");
1463 make_cover_letter(&rev
, use_stdout
,
1464 origin
, nr
, list
, branch_name
, quiet
);
1468 rev
.add_signoff
= do_signoff
;
1472 rev
.nr
= total
- nr
+ (start_number
- 1);
1473 /* Make the second and subsequent mails replies to the first */
1475 /* Have we already had a message ID? */
1476 if (rev
.message_id
) {
1478 * For deep threading: make every mail
1479 * a reply to the previous one, no
1480 * matter what other options are set.
1482 * For shallow threading:
1484 * Without --cover-letter and
1485 * --in-reply-to, make every mail a
1486 * reply to the one before.
1488 * With --in-reply-to but no
1489 * --cover-letter, make every mail a
1490 * reply to the <reply-to>.
1492 * With --cover-letter, make every
1493 * mail but the cover letter a reply
1494 * to the cover letter. The cover
1495 * letter is a reply to the
1496 * --in-reply-to, if specified.
1498 if (thread
== THREAD_SHALLOW
1499 && rev
.ref_message_ids
->nr
> 0
1500 && (!cover_letter
|| rev
.nr
> 1))
1501 free(rev
.message_id
);
1503 string_list_append(rev
.ref_message_ids
,
1506 gen_message_id(&rev
, sha1_to_hex(commit
->object
.sha1
));
1510 reopen_stdout(rev
.numbered_files
? NULL
: commit
, NULL
, &rev
, quiet
))
1511 die(_("Failed to create output files"));
1512 shown
= log_tree_commit(&rev
, commit
);
1513 free_commit_buffer(commit
);
1515 /* We put one extra blank line between formatted
1516 * patches and this flag is used by log-tree code
1517 * to see if it needs to emit a LF before showing
1518 * the log; when using one file per patch, we do
1519 * not want the extra blank line.
1524 if (rev
.mime_boundary
)
1525 printf("\n--%s%s--\n\n\n",
1526 mime_boundary_leader
,
1536 string_list_clear(&extra_to
, 0);
1537 string_list_clear(&extra_cc
, 0);
1538 string_list_clear(&extra_hdr
, 0);
1539 if (ignore_if_in_upstream
)
1540 free_patch_ids(&ids
);
1544 static int add_pending_commit(const char *arg
, struct rev_info
*revs
, int flags
)
1546 unsigned char sha1
[20];
1547 if (get_sha1(arg
, sha1
) == 0) {
1548 struct commit
*commit
= lookup_commit_reference(sha1
);
1550 commit
->object
.flags
|= flags
;
1551 add_pending_object(revs
, &commit
->object
, arg
);
1558 static const char * const cherry_usage
[] = {
1559 N_("git cherry [-v] [<upstream> [<head> [<limit>]]]"),
1563 static void print_commit(char sign
, struct commit
*commit
, int verbose
,
1567 printf("%c %s\n", sign
,
1568 find_unique_abbrev(commit
->object
.sha1
, abbrev
));
1570 struct strbuf buf
= STRBUF_INIT
;
1571 pp_commit_easy(CMIT_FMT_ONELINE
, commit
, &buf
);
1572 printf("%c %s %s\n", sign
,
1573 find_unique_abbrev(commit
->object
.sha1
, abbrev
),
1575 strbuf_release(&buf
);
1579 int cmd_cherry(int argc
, const char **argv
, const char *prefix
)
1581 struct rev_info revs
;
1582 struct patch_ids ids
;
1583 struct commit
*commit
;
1584 struct commit_list
*list
= NULL
;
1585 struct branch
*current_branch
;
1586 const char *upstream
;
1587 const char *head
= "HEAD";
1588 const char *limit
= NULL
;
1589 int verbose
= 0, abbrev
= 0;
1591 struct option options
[] = {
1592 OPT__ABBREV(&abbrev
),
1593 OPT__VERBOSE(&verbose
, N_("be verbose")),
1597 argc
= parse_options(argc
, argv
, prefix
, options
, cherry_usage
, 0);
1610 current_branch
= branch_get(NULL
);
1611 if (!current_branch
|| !current_branch
->merge
1612 || !current_branch
->merge
[0]
1613 || !current_branch
->merge
[0]->dst
) {
1614 fprintf(stderr
, _("Could not find a tracked"
1615 " remote branch, please"
1616 " specify <upstream> manually.\n"));
1617 usage_with_options(cherry_usage
, options
);
1620 upstream
= current_branch
->merge
[0]->dst
;
1623 init_revisions(&revs
, prefix
);
1624 revs
.max_parents
= 1;
1626 if (add_pending_commit(head
, &revs
, 0))
1627 die(_("Unknown commit %s"), head
);
1628 if (add_pending_commit(upstream
, &revs
, UNINTERESTING
))
1629 die(_("Unknown commit %s"), upstream
);
1631 /* Don't say anything if head and upstream are the same. */
1632 if (revs
.pending
.nr
== 2) {
1633 struct object_array_entry
*o
= revs
.pending
.objects
;
1634 if (hashcmp(o
[0].item
->sha1
, o
[1].item
->sha1
) == 0)
1638 get_patch_ids(&revs
, &ids
);
1640 if (limit
&& add_pending_commit(limit
, &revs
, UNINTERESTING
))
1641 die(_("Unknown commit %s"), limit
);
1643 /* reverse the list of commits */
1644 if (prepare_revision_walk(&revs
))
1645 die(_("revision walk setup failed"));
1646 while ((commit
= get_revision(&revs
)) != NULL
) {
1647 commit_list_insert(commit
, &list
);
1653 commit
= list
->item
;
1654 if (has_commit_patch_id(commit
, &ids
))
1656 print_commit(sign
, commit
, verbose
, abbrev
);
1660 free_patch_ids(&ids
);