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https://github.com/git/git
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![Brandon Casey](/assets/img/avatar_default.png)
Many call sites use strbuf_init(&foo, 0) to initialize local strbuf variable "foo" which has not been accessed since its declaration. These can be replaced with a static initialization using the STRBUF_INIT macro which is just as readable, saves a function call, and takes up fewer lines. Signed-off-by: Brandon Casey <casey@nrlssc.navy.mil> Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
1156 lines
29 KiB
C
1156 lines
29 KiB
C
/*
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* Builtin "git log" and related commands (show, whatchanged)
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*
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* (C) Copyright 2006 Linus Torvalds
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* 2006 Junio Hamano
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*/
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#include "cache.h"
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#include "color.h"
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#include "commit.h"
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#include "diff.h"
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#include "revision.h"
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#include "log-tree.h"
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#include "builtin.h"
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#include "tag.h"
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#include "reflog-walk.h"
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#include "patch-ids.h"
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#include "run-command.h"
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#include "shortlog.h"
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/* Set a default date-time format for git log ("log.date" config variable) */
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static const char *default_date_mode = NULL;
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static int default_show_root = 1;
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static const char *fmt_patch_subject_prefix = "PATCH";
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static const char *fmt_pretty;
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static void cmd_log_init(int argc, const char **argv, const char *prefix,
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struct rev_info *rev)
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{
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int i;
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int decorate = 0;
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rev->abbrev = DEFAULT_ABBREV;
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rev->commit_format = CMIT_FMT_DEFAULT;
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if (fmt_pretty)
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get_commit_format(fmt_pretty, rev);
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rev->verbose_header = 1;
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DIFF_OPT_SET(&rev->diffopt, RECURSIVE);
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rev->show_root_diff = default_show_root;
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rev->subject_prefix = fmt_patch_subject_prefix;
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if (default_date_mode)
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rev->date_mode = parse_date_format(default_date_mode);
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argc = setup_revisions(argc, argv, rev, "HEAD");
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if (rev->diffopt.pickaxe || rev->diffopt.filter)
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rev->always_show_header = 0;
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if (DIFF_OPT_TST(&rev->diffopt, FOLLOW_RENAMES)) {
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rev->always_show_header = 0;
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if (rev->diffopt.nr_paths != 1)
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usage("git logs can only follow renames on one pathname at a time");
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}
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for (i = 1; i < argc; i++) {
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const char *arg = argv[i];
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if (!strcmp(arg, "--decorate")) {
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load_ref_decorations();
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decorate = 1;
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} else
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die("unrecognized argument: %s", arg);
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}
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}
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/*
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* This gives a rough estimate for how many commits we
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* will print out in the list.
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*/
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static int estimate_commit_count(struct rev_info *rev, struct commit_list *list)
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{
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int n = 0;
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while (list) {
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struct commit *commit = list->item;
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unsigned int flags = commit->object.flags;
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list = list->next;
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if (!(flags & (TREESAME | UNINTERESTING)))
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n++;
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}
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return n;
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}
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static void show_early_header(struct rev_info *rev, const char *stage, int nr)
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{
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if (rev->shown_one) {
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rev->shown_one = 0;
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if (rev->commit_format != CMIT_FMT_ONELINE)
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putchar(rev->diffopt.line_termination);
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}
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printf("Final output: %d %s\n", nr, stage);
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}
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struct itimerval early_output_timer;
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static void log_show_early(struct rev_info *revs, struct commit_list *list)
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{
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int i = revs->early_output;
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int show_header = 1;
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sort_in_topological_order(&list, revs->lifo);
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while (list && i) {
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struct commit *commit = list->item;
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switch (simplify_commit(revs, commit)) {
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case commit_show:
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if (show_header) {
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int n = estimate_commit_count(revs, list);
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show_early_header(revs, "incomplete", n);
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show_header = 0;
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}
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log_tree_commit(revs, commit);
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i--;
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break;
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case commit_ignore:
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break;
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case commit_error:
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return;
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}
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list = list->next;
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}
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/* Did we already get enough commits for the early output? */
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if (!i)
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return;
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/*
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* ..if no, then repeat it twice a second until we
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* do.
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*
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* NOTE! We don't use "it_interval", because if the
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* reader isn't listening, we want our output to be
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* throttled by the writing, and not have the timer
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* trigger every second even if we're blocked on a
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* reader!
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*/
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early_output_timer.it_value.tv_sec = 0;
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early_output_timer.it_value.tv_usec = 500000;
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setitimer(ITIMER_REAL, &early_output_timer, NULL);
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}
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static void early_output(int signal)
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{
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show_early_output = log_show_early;
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}
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static void setup_early_output(struct rev_info *rev)
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{
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struct sigaction sa;
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/*
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* Set up the signal handler, minimally intrusively:
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* we only set a single volatile integer word (not
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* using sigatomic_t - trying to avoid unnecessary
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* system dependencies and headers), and using
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* SA_RESTART.
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*/
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memset(&sa, 0, sizeof(sa));
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sa.sa_handler = early_output;
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sigemptyset(&sa.sa_mask);
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sa.sa_flags = SA_RESTART;
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sigaction(SIGALRM, &sa, NULL);
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/*
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* If we can get the whole output in less than a
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* tenth of a second, don't even bother doing the
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* early-output thing..
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*
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* This is a one-time-only trigger.
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*/
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early_output_timer.it_value.tv_sec = 0;
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early_output_timer.it_value.tv_usec = 100000;
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setitimer(ITIMER_REAL, &early_output_timer, NULL);
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}
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static void finish_early_output(struct rev_info *rev)
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{
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int n = estimate_commit_count(rev, rev->commits);
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signal(SIGALRM, SIG_IGN);
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show_early_header(rev, "done", n);
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}
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static int cmd_log_walk(struct rev_info *rev)
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{
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struct commit *commit;
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if (rev->early_output)
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setup_early_output(rev);
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if (prepare_revision_walk(rev))
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die("revision walk setup failed");
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if (rev->early_output)
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finish_early_output(rev);
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/*
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* For --check and --exit-code, the exit code is based on CHECK_FAILED
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* and HAS_CHANGES being accumulated in rev->diffopt, so be careful to
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* retain that state information if replacing rev->diffopt in this loop
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*/
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while ((commit = get_revision(rev)) != NULL) {
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log_tree_commit(rev, commit);
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if (!rev->reflog_info) {
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/* we allow cycles in reflog ancestry */
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free(commit->buffer);
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commit->buffer = NULL;
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}
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free_commit_list(commit->parents);
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commit->parents = NULL;
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}
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if (rev->diffopt.output_format & DIFF_FORMAT_CHECKDIFF &&
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DIFF_OPT_TST(&rev->diffopt, CHECK_FAILED)) {
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return 02;
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}
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return diff_result_code(&rev->diffopt, 0);
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}
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static int git_log_config(const char *var, const char *value, void *cb)
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{
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if (!strcmp(var, "format.pretty"))
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return git_config_string(&fmt_pretty, var, value);
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if (!strcmp(var, "format.subjectprefix"))
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return git_config_string(&fmt_patch_subject_prefix, var, value);
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if (!strcmp(var, "log.date"))
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return git_config_string(&default_date_mode, var, value);
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if (!strcmp(var, "log.showroot")) {
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default_show_root = git_config_bool(var, value);
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return 0;
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}
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return git_diff_ui_config(var, value, cb);
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}
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int cmd_whatchanged(int argc, const char **argv, const char *prefix)
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{
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struct rev_info rev;
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git_config(git_log_config, NULL);
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if (diff_use_color_default == -1)
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diff_use_color_default = git_use_color_default;
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init_revisions(&rev, prefix);
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rev.diff = 1;
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rev.simplify_history = 0;
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cmd_log_init(argc, argv, prefix, &rev);
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if (!rev.diffopt.output_format)
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rev.diffopt.output_format = DIFF_FORMAT_RAW;
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return cmd_log_walk(&rev);
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}
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static void show_tagger(char *buf, int len, struct rev_info *rev)
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{
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char *email_end, *p;
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unsigned long date;
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int tz;
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email_end = memchr(buf, '>', len);
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if (!email_end)
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return;
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p = ++email_end;
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while (isspace(*p))
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p++;
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date = strtoul(p, &p, 10);
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while (isspace(*p))
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p++;
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tz = (int)strtol(p, NULL, 10);
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printf("Tagger: %.*s\nDate: %s\n", (int)(email_end - buf), buf,
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show_date(date, tz, rev->date_mode));
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}
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static int show_object(const unsigned char *sha1, int show_tag_object,
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struct rev_info *rev)
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{
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unsigned long size;
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enum object_type type;
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char *buf = read_sha1_file(sha1, &type, &size);
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int offset = 0;
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if (!buf)
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return error("Could not read object %s", sha1_to_hex(sha1));
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if (show_tag_object)
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while (offset < size && buf[offset] != '\n') {
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int new_offset = offset + 1;
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while (new_offset < size && buf[new_offset++] != '\n')
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; /* do nothing */
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if (!prefixcmp(buf + offset, "tagger "))
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show_tagger(buf + offset + 7,
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new_offset - offset - 7, rev);
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offset = new_offset;
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}
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if (offset < size)
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fwrite(buf + offset, size - offset, 1, stdout);
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free(buf);
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return 0;
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}
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static int show_tree_object(const unsigned char *sha1,
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const char *base, int baselen,
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const char *pathname, unsigned mode, int stage, void *context)
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{
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printf("%s%s\n", pathname, S_ISDIR(mode) ? "/" : "");
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return 0;
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}
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int cmd_show(int argc, const char **argv, const char *prefix)
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{
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struct rev_info rev;
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struct object_array_entry *objects;
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int i, count, ret = 0;
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git_config(git_log_config, NULL);
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if (diff_use_color_default == -1)
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diff_use_color_default = git_use_color_default;
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init_revisions(&rev, prefix);
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rev.diff = 1;
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rev.combine_merges = 1;
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rev.dense_combined_merges = 1;
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rev.always_show_header = 1;
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rev.ignore_merges = 0;
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rev.no_walk = 1;
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cmd_log_init(argc, argv, prefix, &rev);
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count = rev.pending.nr;
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objects = rev.pending.objects;
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for (i = 0; i < count && !ret; i++) {
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struct object *o = objects[i].item;
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const char *name = objects[i].name;
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switch (o->type) {
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case OBJ_BLOB:
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ret = show_object(o->sha1, 0, NULL);
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break;
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case OBJ_TAG: {
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struct tag *t = (struct tag *)o;
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printf("%stag %s%s\n",
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diff_get_color_opt(&rev.diffopt, DIFF_COMMIT),
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t->tag,
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diff_get_color_opt(&rev.diffopt, DIFF_RESET));
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ret = show_object(o->sha1, 1, &rev);
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objects[i].item = parse_object(t->tagged->sha1);
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i--;
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break;
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}
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case OBJ_TREE:
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printf("%stree %s%s\n\n",
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diff_get_color_opt(&rev.diffopt, DIFF_COMMIT),
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name,
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diff_get_color_opt(&rev.diffopt, DIFF_RESET));
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read_tree_recursive((struct tree *)o, "", 0, 0, NULL,
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show_tree_object, NULL);
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break;
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case OBJ_COMMIT:
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rev.pending.nr = rev.pending.alloc = 0;
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rev.pending.objects = NULL;
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add_object_array(o, name, &rev.pending);
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ret = cmd_log_walk(&rev);
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break;
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default:
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ret = error("Unknown type: %d", o->type);
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}
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}
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free(objects);
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return ret;
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}
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/*
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* This is equivalent to "git log -g --abbrev-commit --pretty=oneline"
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*/
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int cmd_log_reflog(int argc, const char **argv, const char *prefix)
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{
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struct rev_info rev;
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git_config(git_log_config, NULL);
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if (diff_use_color_default == -1)
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diff_use_color_default = git_use_color_default;
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init_revisions(&rev, prefix);
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init_reflog_walk(&rev.reflog_info);
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rev.abbrev_commit = 1;
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rev.verbose_header = 1;
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cmd_log_init(argc, argv, prefix, &rev);
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/*
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* This means that we override whatever commit format the user gave
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* on the cmd line. Sad, but cmd_log_init() currently doesn't
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* allow us to set a different default.
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*/
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rev.commit_format = CMIT_FMT_ONELINE;
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rev.use_terminator = 1;
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rev.always_show_header = 1;
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/*
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* We get called through "git reflog", so unlike the other log
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* routines, we need to set up our pager manually..
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*/
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setup_pager();
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return cmd_log_walk(&rev);
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}
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int cmd_log(int argc, const char **argv, const char *prefix)
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{
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struct rev_info rev;
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git_config(git_log_config, NULL);
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if (diff_use_color_default == -1)
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diff_use_color_default = git_use_color_default;
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init_revisions(&rev, prefix);
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rev.always_show_header = 1;
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cmd_log_init(argc, argv, prefix, &rev);
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return cmd_log_walk(&rev);
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}
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/* format-patch */
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#define FORMAT_PATCH_NAME_MAX 64
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static int istitlechar(char c)
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{
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return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') ||
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(c >= '0' && c <= '9') || c == '.' || c == '_';
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}
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static const char *fmt_patch_suffix = ".patch";
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static int numbered = 0;
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static int auto_number = 0;
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static char **extra_hdr;
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static int extra_hdr_nr;
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static int extra_hdr_alloc;
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static char **extra_to;
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static int extra_to_nr;
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static int extra_to_alloc;
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static char **extra_cc;
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static int extra_cc_nr;
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static int extra_cc_alloc;
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static void add_header(const char *value)
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{
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int len = strlen(value);
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while (len && value[len - 1] == '\n')
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len--;
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if (!strncasecmp(value, "to: ", 4)) {
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ALLOC_GROW(extra_to, extra_to_nr + 1, extra_to_alloc);
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extra_to[extra_to_nr++] = xstrndup(value + 4, len - 4);
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return;
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}
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if (!strncasecmp(value, "cc: ", 4)) {
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ALLOC_GROW(extra_cc, extra_cc_nr + 1, extra_cc_alloc);
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extra_cc[extra_cc_nr++] = xstrndup(value + 4, len - 4);
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return;
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}
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ALLOC_GROW(extra_hdr, extra_hdr_nr + 1, extra_hdr_alloc);
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extra_hdr[extra_hdr_nr++] = xstrndup(value, len);
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}
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static int git_format_config(const char *var, const char *value, void *cb)
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{
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if (!strcmp(var, "format.headers")) {
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if (!value)
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die("format.headers without value");
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add_header(value);
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return 0;
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}
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if (!strcmp(var, "format.suffix"))
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return git_config_string(&fmt_patch_suffix, var, value);
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if (!strcmp(var, "format.cc")) {
|
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if (!value)
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return config_error_nonbool(var);
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ALLOC_GROW(extra_cc, extra_cc_nr + 1, extra_cc_alloc);
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extra_cc[extra_cc_nr++] = xstrdup(value);
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return 0;
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}
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if (!strcmp(var, "diff.color") || !strcmp(var, "color.diff")) {
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return 0;
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}
|
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if (!strcmp(var, "format.numbered")) {
|
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if (value && !strcasecmp(value, "auto")) {
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auto_number = 1;
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return 0;
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}
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numbered = git_config_bool(var, value);
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return 0;
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}
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return git_log_config(var, value, cb);
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}
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|
|
|
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static const char *get_oneline_for_filename(struct commit *commit,
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int keep_subject)
|
|
{
|
|
static char filename[PATH_MAX];
|
|
char *sol;
|
|
int len = 0;
|
|
int suffix_len = strlen(fmt_patch_suffix) + 1;
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|
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sol = strstr(commit->buffer, "\n\n");
|
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if (!sol)
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filename[0] = '\0';
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else {
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int j, space = 0;
|
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|
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sol += 2;
|
|
/* strip [PATCH] or [PATCH blabla] */
|
|
if (!keep_subject && !prefixcmp(sol, "[PATCH")) {
|
|
char *eos = strchr(sol + 6, ']');
|
|
if (eos) {
|
|
while (isspace(*eos))
|
|
eos++;
|
|
sol = eos;
|
|
}
|
|
}
|
|
|
|
for (j = 0;
|
|
j < FORMAT_PATCH_NAME_MAX - suffix_len - 5 &&
|
|
len < sizeof(filename) - suffix_len &&
|
|
sol[j] && sol[j] != '\n';
|
|
j++) {
|
|
if (istitlechar(sol[j])) {
|
|
if (space) {
|
|
filename[len++] = '-';
|
|
space = 0;
|
|
}
|
|
filename[len++] = sol[j];
|
|
if (sol[j] == '.')
|
|
while (sol[j + 1] == '.')
|
|
j++;
|
|
} else
|
|
space = 1;
|
|
}
|
|
while (filename[len - 1] == '.'
|
|
|| filename[len - 1] == '-')
|
|
len--;
|
|
filename[len] = '\0';
|
|
}
|
|
return filename;
|
|
}
|
|
|
|
static FILE *realstdout = NULL;
|
|
static const char *output_directory = NULL;
|
|
|
|
static int reopen_stdout(const char *oneline, int nr, int total)
|
|
{
|
|
char filename[PATH_MAX];
|
|
int len = 0;
|
|
int suffix_len = strlen(fmt_patch_suffix) + 1;
|
|
|
|
if (output_directory) {
|
|
len = snprintf(filename, sizeof(filename), "%s",
|
|
output_directory);
|
|
if (len >=
|
|
sizeof(filename) - FORMAT_PATCH_NAME_MAX - suffix_len)
|
|
return error("name of output directory is too long");
|
|
if (filename[len - 1] != '/')
|
|
filename[len++] = '/';
|
|
}
|
|
|
|
if (!oneline)
|
|
len += sprintf(filename + len, "%d", nr);
|
|
else {
|
|
len += sprintf(filename + len, "%04d-", nr);
|
|
len += snprintf(filename + len, sizeof(filename) - len - 1
|
|
- suffix_len, "%s", oneline);
|
|
strcpy(filename + len, fmt_patch_suffix);
|
|
}
|
|
|
|
fprintf(realstdout, "%s\n", filename);
|
|
if (freopen(filename, "w", stdout) == NULL)
|
|
return error("Cannot open patch file %s",filename);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids, const char *prefix)
|
|
{
|
|
struct rev_info check_rev;
|
|
struct commit *commit;
|
|
struct object *o1, *o2;
|
|
unsigned flags1, flags2;
|
|
|
|
if (rev->pending.nr != 2)
|
|
die("Need exactly one range.");
|
|
|
|
o1 = rev->pending.objects[0].item;
|
|
flags1 = o1->flags;
|
|
o2 = rev->pending.objects[1].item;
|
|
flags2 = o2->flags;
|
|
|
|
if ((flags1 & UNINTERESTING) == (flags2 & UNINTERESTING))
|
|
die("Not a range.");
|
|
|
|
init_patch_ids(ids);
|
|
|
|
/* given a range a..b get all patch ids for b..a */
|
|
init_revisions(&check_rev, prefix);
|
|
o1->flags ^= UNINTERESTING;
|
|
o2->flags ^= UNINTERESTING;
|
|
add_pending_object(&check_rev, o1, "o1");
|
|
add_pending_object(&check_rev, o2, "o2");
|
|
if (prepare_revision_walk(&check_rev))
|
|
die("revision walk setup failed");
|
|
|
|
while ((commit = get_revision(&check_rev)) != NULL) {
|
|
/* ignore merges */
|
|
if (commit->parents && commit->parents->next)
|
|
continue;
|
|
|
|
add_commit_patch_id(commit, ids);
|
|
}
|
|
|
|
/* reset for next revision walk */
|
|
clear_commit_marks((struct commit *)o1,
|
|
SEEN | UNINTERESTING | SHOWN | ADDED);
|
|
clear_commit_marks((struct commit *)o2,
|
|
SEEN | UNINTERESTING | SHOWN | ADDED);
|
|
o1->flags = flags1;
|
|
o2->flags = flags2;
|
|
}
|
|
|
|
static void gen_message_id(struct rev_info *info, char *base)
|
|
{
|
|
const char *committer = git_committer_info(IDENT_WARN_ON_NO_NAME);
|
|
const char *email_start = strrchr(committer, '<');
|
|
const char *email_end = strrchr(committer, '>');
|
|
struct strbuf buf = STRBUF_INIT;
|
|
if (!email_start || !email_end || email_start > email_end - 1)
|
|
die("Could not extract email from committer identity.");
|
|
strbuf_addf(&buf, "%s.%lu.git.%.*s", base,
|
|
(unsigned long) time(NULL),
|
|
(int)(email_end - email_start - 1), email_start + 1);
|
|
info->message_id = strbuf_detach(&buf, NULL);
|
|
}
|
|
|
|
static void make_cover_letter(struct rev_info *rev, int use_stdout,
|
|
int numbered, int numbered_files,
|
|
struct commit *origin,
|
|
int nr, struct commit **list, struct commit *head)
|
|
{
|
|
const char *committer;
|
|
char *head_sha1;
|
|
const char *subject_start = NULL;
|
|
const char *body = "*** SUBJECT HERE ***\n\n*** BLURB HERE ***\n";
|
|
const char *msg;
|
|
const char *extra_headers = rev->extra_headers;
|
|
struct shortlog log;
|
|
struct strbuf sb = STRBUF_INIT;
|
|
int i;
|
|
const char *encoding = "utf-8";
|
|
struct diff_options opts;
|
|
int need_8bit_cte = 0;
|
|
|
|
if (rev->commit_format != CMIT_FMT_EMAIL)
|
|
die("Cover letter needs email format");
|
|
|
|
if (!use_stdout && reopen_stdout(numbered_files ?
|
|
NULL : "cover-letter", 0, rev->total))
|
|
return;
|
|
|
|
head_sha1 = sha1_to_hex(head->object.sha1);
|
|
|
|
log_write_email_headers(rev, head_sha1, &subject_start, &extra_headers,
|
|
&need_8bit_cte);
|
|
|
|
committer = git_committer_info(0);
|
|
|
|
msg = body;
|
|
pp_user_info(NULL, CMIT_FMT_EMAIL, &sb, committer, DATE_RFC2822,
|
|
encoding);
|
|
pp_title_line(CMIT_FMT_EMAIL, &msg, &sb, subject_start, extra_headers,
|
|
encoding, need_8bit_cte);
|
|
pp_remainder(CMIT_FMT_EMAIL, &msg, &sb, 0);
|
|
printf("%s\n", sb.buf);
|
|
|
|
strbuf_release(&sb);
|
|
|
|
shortlog_init(&log);
|
|
log.wrap_lines = 1;
|
|
log.wrap = 72;
|
|
log.in1 = 2;
|
|
log.in2 = 4;
|
|
for (i = 0; i < nr; i++)
|
|
shortlog_add_commit(&log, list[i]);
|
|
|
|
shortlog_output(&log);
|
|
|
|
/*
|
|
* We can only do diffstat with a unique reference point
|
|
*/
|
|
if (!origin)
|
|
return;
|
|
|
|
memcpy(&opts, &rev->diffopt, sizeof(opts));
|
|
opts.output_format = DIFF_FORMAT_SUMMARY | DIFF_FORMAT_DIFFSTAT;
|
|
|
|
diff_setup_done(&opts);
|
|
|
|
diff_tree_sha1(origin->tree->object.sha1,
|
|
head->tree->object.sha1,
|
|
"", &opts);
|
|
diffcore_std(&opts);
|
|
diff_flush(&opts);
|
|
|
|
printf("\n");
|
|
}
|
|
|
|
static const char *clean_message_id(const char *msg_id)
|
|
{
|
|
char ch;
|
|
const char *a, *z, *m;
|
|
|
|
m = msg_id;
|
|
while ((ch = *m) && (isspace(ch) || (ch == '<')))
|
|
m++;
|
|
a = m;
|
|
z = NULL;
|
|
while ((ch = *m)) {
|
|
if (!isspace(ch) && (ch != '>'))
|
|
z = m;
|
|
m++;
|
|
}
|
|
if (!z)
|
|
die("insane in-reply-to: %s", msg_id);
|
|
if (++z == m)
|
|
return a;
|
|
return xmemdupz(a, z - a);
|
|
}
|
|
|
|
int cmd_format_patch(int argc, const char **argv, const char *prefix)
|
|
{
|
|
struct commit *commit;
|
|
struct commit **list = NULL;
|
|
struct rev_info rev;
|
|
int nr = 0, total, i, j;
|
|
int use_stdout = 0;
|
|
int start_number = -1;
|
|
int keep_subject = 0;
|
|
int numbered_files = 0; /* _just_ numbers */
|
|
int subject_prefix = 0;
|
|
int ignore_if_in_upstream = 0;
|
|
int thread = 0;
|
|
int cover_letter = 0;
|
|
int boundary_count = 0;
|
|
int no_binary_diff = 0;
|
|
struct commit *origin = NULL, *head = NULL;
|
|
const char *in_reply_to = NULL;
|
|
struct patch_ids ids;
|
|
char *add_signoff = NULL;
|
|
struct strbuf buf = STRBUF_INIT;
|
|
|
|
git_config(git_format_config, NULL);
|
|
init_revisions(&rev, prefix);
|
|
rev.commit_format = CMIT_FMT_EMAIL;
|
|
rev.verbose_header = 1;
|
|
rev.diff = 1;
|
|
rev.combine_merges = 0;
|
|
rev.ignore_merges = 1;
|
|
DIFF_OPT_SET(&rev.diffopt, RECURSIVE);
|
|
|
|
rev.subject_prefix = fmt_patch_subject_prefix;
|
|
|
|
/*
|
|
* Parse the arguments before setup_revisions(), or something
|
|
* like "git format-patch -o a123 HEAD^.." may fail; a123 is
|
|
* possibly a valid SHA1.
|
|
*/
|
|
for (i = 1, j = 1; i < argc; i++) {
|
|
if (!strcmp(argv[i], "--stdout"))
|
|
use_stdout = 1;
|
|
else if (!strcmp(argv[i], "-n") ||
|
|
!strcmp(argv[i], "--numbered"))
|
|
numbered = 1;
|
|
else if (!strcmp(argv[i], "-N") ||
|
|
!strcmp(argv[i], "--no-numbered")) {
|
|
numbered = 0;
|
|
auto_number = 0;
|
|
}
|
|
else if (!prefixcmp(argv[i], "--start-number="))
|
|
start_number = strtol(argv[i] + 15, NULL, 10);
|
|
else if (!strcmp(argv[i], "--numbered-files"))
|
|
numbered_files = 1;
|
|
else if (!strcmp(argv[i], "--start-number")) {
|
|
i++;
|
|
if (i == argc)
|
|
die("Need a number for --start-number");
|
|
start_number = strtol(argv[i], NULL, 10);
|
|
}
|
|
else if (!prefixcmp(argv[i], "--cc=")) {
|
|
ALLOC_GROW(extra_cc, extra_cc_nr + 1, extra_cc_alloc);
|
|
extra_cc[extra_cc_nr++] = xstrdup(argv[i] + 5);
|
|
}
|
|
else if (!strcmp(argv[i], "-k") ||
|
|
!strcmp(argv[i], "--keep-subject")) {
|
|
keep_subject = 1;
|
|
rev.total = -1;
|
|
}
|
|
else if (!strcmp(argv[i], "--output-directory") ||
|
|
!strcmp(argv[i], "-o")) {
|
|
i++;
|
|
if (argc <= i)
|
|
die("Which directory?");
|
|
if (output_directory)
|
|
die("Two output directories?");
|
|
output_directory = argv[i];
|
|
}
|
|
else if (!strcmp(argv[i], "--signoff") ||
|
|
!strcmp(argv[i], "-s")) {
|
|
const char *committer;
|
|
const char *endpos;
|
|
committer = git_committer_info(IDENT_ERROR_ON_NO_NAME);
|
|
endpos = strchr(committer, '>');
|
|
if (!endpos)
|
|
die("bogus committer info %s\n", committer);
|
|
add_signoff = xmemdupz(committer, endpos - committer + 1);
|
|
}
|
|
else if (!strcmp(argv[i], "--attach")) {
|
|
rev.mime_boundary = git_version_string;
|
|
rev.no_inline = 1;
|
|
}
|
|
else if (!prefixcmp(argv[i], "--attach=")) {
|
|
rev.mime_boundary = argv[i] + 9;
|
|
rev.no_inline = 1;
|
|
}
|
|
else if (!strcmp(argv[i], "--inline")) {
|
|
rev.mime_boundary = git_version_string;
|
|
rev.no_inline = 0;
|
|
}
|
|
else if (!prefixcmp(argv[i], "--inline=")) {
|
|
rev.mime_boundary = argv[i] + 9;
|
|
rev.no_inline = 0;
|
|
}
|
|
else if (!strcmp(argv[i], "--ignore-if-in-upstream"))
|
|
ignore_if_in_upstream = 1;
|
|
else if (!strcmp(argv[i], "--thread"))
|
|
thread = 1;
|
|
else if (!prefixcmp(argv[i], "--in-reply-to="))
|
|
in_reply_to = argv[i] + 14;
|
|
else if (!strcmp(argv[i], "--in-reply-to")) {
|
|
i++;
|
|
if (i == argc)
|
|
die("Need a Message-Id for --in-reply-to");
|
|
in_reply_to = argv[i];
|
|
} else if (!prefixcmp(argv[i], "--subject-prefix=")) {
|
|
subject_prefix = 1;
|
|
rev.subject_prefix = argv[i] + 17;
|
|
} else if (!prefixcmp(argv[i], "--suffix="))
|
|
fmt_patch_suffix = argv[i] + 9;
|
|
else if (!strcmp(argv[i], "--cover-letter"))
|
|
cover_letter = 1;
|
|
else if (!strcmp(argv[i], "--no-binary"))
|
|
no_binary_diff = 1;
|
|
else
|
|
argv[j++] = argv[i];
|
|
}
|
|
argc = j;
|
|
|
|
for (i = 0; i < extra_hdr_nr; i++) {
|
|
strbuf_addstr(&buf, extra_hdr[i]);
|
|
strbuf_addch(&buf, '\n');
|
|
}
|
|
|
|
if (extra_to_nr)
|
|
strbuf_addstr(&buf, "To: ");
|
|
for (i = 0; i < extra_to_nr; i++) {
|
|
if (i)
|
|
strbuf_addstr(&buf, " ");
|
|
strbuf_addstr(&buf, extra_to[i]);
|
|
if (i + 1 < extra_to_nr)
|
|
strbuf_addch(&buf, ',');
|
|
strbuf_addch(&buf, '\n');
|
|
}
|
|
|
|
if (extra_cc_nr)
|
|
strbuf_addstr(&buf, "Cc: ");
|
|
for (i = 0; i < extra_cc_nr; i++) {
|
|
if (i)
|
|
strbuf_addstr(&buf, " ");
|
|
strbuf_addstr(&buf, extra_cc[i]);
|
|
if (i + 1 < extra_cc_nr)
|
|
strbuf_addch(&buf, ',');
|
|
strbuf_addch(&buf, '\n');
|
|
}
|
|
|
|
rev.extra_headers = strbuf_detach(&buf, 0);
|
|
|
|
if (start_number < 0)
|
|
start_number = 1;
|
|
if (numbered && keep_subject)
|
|
die ("-n and -k are mutually exclusive.");
|
|
if (keep_subject && subject_prefix)
|
|
die ("--subject-prefix and -k are mutually exclusive.");
|
|
if (numbered_files && use_stdout)
|
|
die ("--numbered-files and --stdout are mutually exclusive.");
|
|
|
|
argc = setup_revisions(argc, argv, &rev, "HEAD");
|
|
if (argc > 1)
|
|
die ("unrecognized argument: %s", argv[1]);
|
|
|
|
if (!rev.diffopt.output_format
|
|
|| rev.diffopt.output_format == DIFF_FORMAT_PATCH)
|
|
rev.diffopt.output_format = DIFF_FORMAT_DIFFSTAT | DIFF_FORMAT_SUMMARY | DIFF_FORMAT_PATCH;
|
|
|
|
if (!DIFF_OPT_TST(&rev.diffopt, TEXT) && !no_binary_diff)
|
|
DIFF_OPT_SET(&rev.diffopt, BINARY);
|
|
|
|
if (!output_directory && !use_stdout)
|
|
output_directory = prefix;
|
|
|
|
if (output_directory) {
|
|
if (use_stdout)
|
|
die("standard output, or directory, which one?");
|
|
if (mkdir(output_directory, 0777) < 0 && errno != EEXIST)
|
|
die("Could not create directory %s",
|
|
output_directory);
|
|
}
|
|
|
|
if (rev.pending.nr == 1) {
|
|
if (rev.max_count < 0 && !rev.show_root_diff) {
|
|
/*
|
|
* This is traditional behaviour of "git format-patch
|
|
* origin" that prepares what the origin side still
|
|
* does not have.
|
|
*/
|
|
rev.pending.objects[0].item->flags |= UNINTERESTING;
|
|
add_head_to_pending(&rev);
|
|
}
|
|
/*
|
|
* Otherwise, it is "format-patch -22 HEAD", and/or
|
|
* "format-patch --root HEAD". The user wants
|
|
* get_revision() to do the usual traversal.
|
|
*/
|
|
}
|
|
if (cover_letter) {
|
|
/* remember the range */
|
|
int i;
|
|
for (i = 0; i < rev.pending.nr; i++) {
|
|
struct object *o = rev.pending.objects[i].item;
|
|
if (!(o->flags & UNINTERESTING))
|
|
head = (struct commit *)o;
|
|
}
|
|
/* We can't generate a cover letter without any patches */
|
|
if (!head)
|
|
return 0;
|
|
}
|
|
|
|
if (ignore_if_in_upstream)
|
|
get_patch_ids(&rev, &ids, prefix);
|
|
|
|
if (!use_stdout)
|
|
realstdout = xfdopen(xdup(1), "w");
|
|
|
|
if (prepare_revision_walk(&rev))
|
|
die("revision walk setup failed");
|
|
rev.boundary = 1;
|
|
while ((commit = get_revision(&rev)) != NULL) {
|
|
if (commit->object.flags & BOUNDARY) {
|
|
boundary_count++;
|
|
origin = (boundary_count == 1) ? commit : NULL;
|
|
continue;
|
|
}
|
|
|
|
/* ignore merges */
|
|
if (commit->parents && commit->parents->next)
|
|
continue;
|
|
|
|
if (ignore_if_in_upstream &&
|
|
has_commit_patch_id(commit, &ids))
|
|
continue;
|
|
|
|
nr++;
|
|
list = xrealloc(list, nr * sizeof(list[0]));
|
|
list[nr - 1] = commit;
|
|
}
|
|
total = nr;
|
|
if (!keep_subject && auto_number && total > 1)
|
|
numbered = 1;
|
|
if (numbered)
|
|
rev.total = total + start_number - 1;
|
|
if (in_reply_to)
|
|
rev.ref_message_id = clean_message_id(in_reply_to);
|
|
if (cover_letter) {
|
|
if (thread)
|
|
gen_message_id(&rev, "cover");
|
|
make_cover_letter(&rev, use_stdout, numbered, numbered_files,
|
|
origin, nr, list, head);
|
|
total++;
|
|
start_number--;
|
|
}
|
|
rev.add_signoff = add_signoff;
|
|
while (0 <= --nr) {
|
|
int shown;
|
|
commit = list[nr];
|
|
rev.nr = total - nr + (start_number - 1);
|
|
/* Make the second and subsequent mails replies to the first */
|
|
if (thread) {
|
|
/* Have we already had a message ID? */
|
|
if (rev.message_id) {
|
|
/*
|
|
* If we've got the ID to be a reply
|
|
* to, discard the current ID;
|
|
* otherwise, make everything a reply
|
|
* to that.
|
|
*/
|
|
if (rev.ref_message_id)
|
|
free(rev.message_id);
|
|
else
|
|
rev.ref_message_id = rev.message_id;
|
|
}
|
|
gen_message_id(&rev, sha1_to_hex(commit->object.sha1));
|
|
}
|
|
if (!use_stdout && reopen_stdout(numbered_files ? NULL :
|
|
get_oneline_for_filename(commit, keep_subject),
|
|
rev.nr, rev.total))
|
|
die("Failed to create output files");
|
|
shown = log_tree_commit(&rev, commit);
|
|
free(commit->buffer);
|
|
commit->buffer = NULL;
|
|
|
|
/* We put one extra blank line between formatted
|
|
* patches and this flag is used by log-tree code
|
|
* to see if it needs to emit a LF before showing
|
|
* the log; when using one file per patch, we do
|
|
* not want the extra blank line.
|
|
*/
|
|
if (!use_stdout)
|
|
rev.shown_one = 0;
|
|
if (shown) {
|
|
if (rev.mime_boundary)
|
|
printf("\n--%s%s--\n\n\n",
|
|
mime_boundary_leader,
|
|
rev.mime_boundary);
|
|
else
|
|
printf("-- \n%s\n\n", git_version_string);
|
|
}
|
|
if (!use_stdout)
|
|
fclose(stdout);
|
|
}
|
|
free(list);
|
|
if (ignore_if_in_upstream)
|
|
free_patch_ids(&ids);
|
|
return 0;
|
|
}
|
|
|
|
static int add_pending_commit(const char *arg, struct rev_info *revs, int flags)
|
|
{
|
|
unsigned char sha1[20];
|
|
if (get_sha1(arg, sha1) == 0) {
|
|
struct commit *commit = lookup_commit_reference(sha1);
|
|
if (commit) {
|
|
commit->object.flags |= flags;
|
|
add_pending_object(revs, &commit->object, arg);
|
|
return 0;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static const char cherry_usage[] =
|
|
"git cherry [-v] <upstream> [<head>] [<limit>]";
|
|
int cmd_cherry(int argc, const char **argv, const char *prefix)
|
|
{
|
|
struct rev_info revs;
|
|
struct patch_ids ids;
|
|
struct commit *commit;
|
|
struct commit_list *list = NULL;
|
|
const char *upstream;
|
|
const char *head = "HEAD";
|
|
const char *limit = NULL;
|
|
int verbose = 0;
|
|
|
|
if (argc > 1 && !strcmp(argv[1], "-v")) {
|
|
verbose = 1;
|
|
argc--;
|
|
argv++;
|
|
}
|
|
|
|
switch (argc) {
|
|
case 4:
|
|
limit = argv[3];
|
|
/* FALLTHROUGH */
|
|
case 3:
|
|
head = argv[2];
|
|
/* FALLTHROUGH */
|
|
case 2:
|
|
upstream = argv[1];
|
|
break;
|
|
default:
|
|
usage(cherry_usage);
|
|
}
|
|
|
|
init_revisions(&revs, prefix);
|
|
revs.diff = 1;
|
|
revs.combine_merges = 0;
|
|
revs.ignore_merges = 1;
|
|
DIFF_OPT_SET(&revs.diffopt, RECURSIVE);
|
|
|
|
if (add_pending_commit(head, &revs, 0))
|
|
die("Unknown commit %s", head);
|
|
if (add_pending_commit(upstream, &revs, UNINTERESTING))
|
|
die("Unknown commit %s", upstream);
|
|
|
|
/* Don't say anything if head and upstream are the same. */
|
|
if (revs.pending.nr == 2) {
|
|
struct object_array_entry *o = revs.pending.objects;
|
|
if (hashcmp(o[0].item->sha1, o[1].item->sha1) == 0)
|
|
return 0;
|
|
}
|
|
|
|
get_patch_ids(&revs, &ids, prefix);
|
|
|
|
if (limit && add_pending_commit(limit, &revs, UNINTERESTING))
|
|
die("Unknown commit %s", limit);
|
|
|
|
/* reverse the list of commits */
|
|
if (prepare_revision_walk(&revs))
|
|
die("revision walk setup failed");
|
|
while ((commit = get_revision(&revs)) != NULL) {
|
|
/* ignore merges */
|
|
if (commit->parents && commit->parents->next)
|
|
continue;
|
|
|
|
commit_list_insert(commit, &list);
|
|
}
|
|
|
|
while (list) {
|
|
char sign = '+';
|
|
|
|
commit = list->item;
|
|
if (has_commit_patch_id(commit, &ids))
|
|
sign = '-';
|
|
|
|
if (verbose) {
|
|
struct strbuf buf = STRBUF_INIT;
|
|
pretty_print_commit(CMIT_FMT_ONELINE, commit,
|
|
&buf, 0, NULL, NULL, 0, 0);
|
|
printf("%c %s %s\n", sign,
|
|
sha1_to_hex(commit->object.sha1), buf.buf);
|
|
strbuf_release(&buf);
|
|
}
|
|
else {
|
|
printf("%c %s\n", sign,
|
|
sha1_to_hex(commit->object.sha1));
|
|
}
|
|
|
|
list = list->next;
|
|
}
|
|
|
|
free_patch_ids(&ids);
|
|
return 0;
|
|
}
|