/*
* Builtin "git log" and related commands (show, whatchanged)
*
* (C) Copyright 2006 Linus Torvalds
* 2006 Junio Hamano
*/
#include "cache.h"
#include "color.h"
#include "commit.h"
#include "diff.h"
#include "revision.h"
#include "log-tree.h"
#include "builtin.h"
#include "tag.h"
#include "reflog-walk.h"
#include "patch-ids.h"
#include "run-command.h"
#include "shortlog.h"
#include "remote.h"
#include "string-list.h"
#include "parse-options.h"
/* Set a default date-time format for git log ("log.date" config variable) */
static const char *default_date_mode = NULL;
static int default_show_root = 1;
static const char *fmt_patch_subject_prefix = "PATCH";
static const char *fmt_pretty;
static const char * const builtin_log_usage =
"git log [<options>] [<since>..<until>] [[--] <path>...]\n"
" or: git show [options] <object>...";
static void cmd_log_init(int argc, const char **argv, const char *prefix,
struct rev_info *rev)
{
int i;
int decoration_style = 0;
rev->abbrev = DEFAULT_ABBREV;
rev->commit_format = CMIT_FMT_DEFAULT;
if (fmt_pretty)
get_commit_format(fmt_pretty, rev);
rev->verbose_header = 1;
DIFF_OPT_SET(&rev->diffopt, RECURSIVE);
rev->show_root_diff = default_show_root;
rev->subject_prefix = fmt_patch_subject_prefix;
DIFF_OPT_SET(&rev->diffopt, ALLOW_TEXTCONV);
if (default_date_mode)
rev->date_mode = parse_date_format(default_date_mode);
argc = setup_revisions(argc, argv, rev, "HEAD");
if (rev->diffopt.pickaxe || rev->diffopt.filter)
rev->always_show_header = 0;
if (DIFF_OPT_TST(&rev->diffopt, FOLLOW_RENAMES)) {
rev->always_show_header = 0;
if (rev->diffopt.nr_paths != 1)
usage("git logs can only follow renames on one pathname at a time");
}
for (i = 1; i < argc; i++) {
const char *arg = argv[i];
if (!strcmp(arg, "--decorate")) {
decoration_style = DECORATE_SHORT_REFS;
} else if (!prefixcmp(arg, "--decorate=")) {
const char *v = skip_prefix(arg, "--decorate=");
if (!strcmp(v, "full"))
decoration_style = DECORATE_FULL_REFS;
else if (!strcmp(v, "short"))
decoration_style = DECORATE_SHORT_REFS;
else
die("invalid --decorate option: %s", arg);
} else if (!strcmp(arg, "--source")) {
rev->show_source = 1;
} else if (!strcmp(arg, "-h")) {
usage(builtin_log_usage);
} else
die("unrecognized argument: %s", arg);
}
if (decoration_style) {
rev->show_decorations = 1;
load_ref_decorations(decoration_style);
}
}
/*
* This gives a rough estimate for how many commits we
* will print out in the list.
*/
static int estimate_commit_count(struct rev_info *rev, struct commit_list *list)
{
int n = 0;
while (list) {
struct commit *commit = list->item;
unsigned int flags = commit->object.flags;
list = list->next;
if (!(flags & (TREESAME | UNINTERESTING)))
n++;
}
return n;
}
static void show_early_header(struct rev_info *rev, const char *stage, int nr)
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