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git/builtin/show-branch.c

954 lines
23 KiB

#include "cache.h"
#include "config.h"
#include "pretty.h"
#include "refs.h"
#include "builtin.h"
#include "color.h"
#include "strvec.h"
#include "parse-options.h"
#include "dir.h"
#include "commit-slab.h"
static const char* show_branch_usage[] = {
N_("git show-branch [-a | --all] [-r | --remotes] [--topo-order | --date-order]\n"
" [--current] [--color[=<when>] | --no-color] [--sparse]\n"
" [--more=<n> | --list | --independent | --merge-base]\n"
" [--no-name | --sha1-name] [--topics] [(<rev> | <glob>)...]"),
N_("git show-branch (-g | --reflog)[=<n>[,<base>]] [--list] [<ref>]"),
NULL
};
static int showbranch_use_color = -1;
static struct strvec default_args = STRVEC_INIT;
/*
* TODO: convert this use of commit->object.flags to commit-slab
* instead to store a pointer to ref name directly. Then use the same
* UNINTERESTING definition from revision.h here.
*/
#define UNINTERESTING 01
#define REV_SHIFT 2
#define MAX_REVS (FLAG_BITS - REV_SHIFT) /* should not exceed bits_per_int - REV_SHIFT */
#define DEFAULT_REFLOG 4
static const char *get_color_code(int idx)
{
if (want_color(showbranch_use_color))
return column_colors_ansi[idx % column_colors_ansi_max];
return "";
}
static const char *get_color_reset_code(void)
{
if (want_color(showbranch_use_color))
return GIT_COLOR_RESET;
return "";
}
static struct commit *interesting(struct commit_list *list)
{
while (list) {
struct commit *commit = list->item;
list = list->next;
if (commit->object.flags & UNINTERESTING)
continue;
return commit;
}
return NULL;
}
struct commit_name {
const char *head_name; /* which head's ancestor? */
int generation; /* how many parents away from head_name */
};
define_commit_slab(commit_name_slab, struct commit_name *);
static struct commit_name_slab name_slab;
static struct commit_name *commit_to_name(struct commit *commit)
{
return *commit_name_slab_at(&name_slab, commit);
}
/* Name the commit as nth generation ancestor of head_name;
* we count only the first-parent relationship for naming purposes.
*/
static void name_commit(struct commit *commit, const char *head_name, int nth)
{
struct commit_name *name;
name = *commit_name_slab_at(&name_slab, commit);
if (!name) {
name = xmalloc(sizeof(*name));
*commit_name_slab_at(&name_slab, commit) = name;
}
name->head_name = head_name;
name->generation = nth;
}
/* Parent is the first parent of the commit. We may name it
* as (n+1)th generation ancestor of the same head_name as
* commit is nth generation ancestor of, if that generation
* number is better than the name it already has.
*/
static void name_parent(struct commit *commit, struct commit *parent)
{
struct commit_name *commit_name = commit_to_name(commit);
struct commit_name *parent_name = commit_to_name(parent);
if (!commit_name)
return;
if (!parent_name ||
commit_name->generation + 1 < parent_name->generation)
name_commit(parent, commit_name->head_name,
commit_name->generation + 1);
}
static int name_first_parent_chain(struct commit *c)
{
int i = 0;
while (c) {
struct commit *p;
if (!commit_to_name(c))
break;
if (!c->parents)
break;
p = c->parents->item;
if (!commit_to_name(p)) {
name_parent(c, p);
i++;
}
else
break;
c = p;
}
return i;
}
static void name_commits(struct commit_list *list,
struct commit **rev,
char **ref_name,
int num_rev)
{
struct commit_list *cl;
struct commit *c;
int i;
/* First give names to the given heads */
for (cl = list; cl; cl = cl->next) {
c = cl->item;
if (commit_to_name(c))
continue;
for (i = 0; i < num_rev; i++) {
if (rev[i] == c) {
name_commit(c, ref_name[i], 0);
break;
}
}
}
/* Then commits on the first parent ancestry chain */
do {
i = 0;
for (cl = list; cl; cl = cl->next) {
i += name_first_parent_chain(cl->item);
}
} while (i);
/* Finally, any unnamed commits */
do {
i = 0;
for (cl = list; cl; cl = cl->next) {
struct commit_list *parents;
struct commit_name *n;
int nth;
c = cl->item;
if (!commit_to_name(c))
continue;
n = commit_to_name(c);
parents = c->parents;
nth = 0;
while (parents) {
struct commit *p = parents->item;
struct strbuf newname = STRBUF_INIT;
parents = parents->next;
nth++;
if (commit_to_name(p))
continue;
switch (n->generation) {
case 0:
strbuf_addstr(&newname, n->head_name);
break;
case 1:
strbuf_addf(&newname, "%s^", n->head_name);
break;
default:
strbuf_addf(&newname, "%s~%d",
n->head_name, n->generation);
break;
}
if (nth == 1)
strbuf_addch(&newname, '^');
else
strbuf_addf(&newname, "^%d", nth);
name_commit(p, strbuf_detach(&newname, NULL), 0);
i++;
name_first_parent_chain(p);
}
}
} while (i);
}
static int mark_seen(struct commit *commit, struct commit_list **seen_p)
{
if (!commit->object.flags) {
commit_list_insert(commit, seen_p);
return 1;
}
return 0;
}
static void join_revs(struct commit_list **list_p,
struct commit_list **seen_p,
int num_rev, int extra)
{
int all_mask = ((1u << (REV_SHIFT + num_rev)) - 1);
int all_revs = all_mask & ~((1u << REV_SHIFT) - 1);
while (*list_p) {
struct commit_list *parents;
int still_interesting = !!interesting(*list_p);
struct commit *commit = pop_commit(list_p);
int flags = commit->object.flags & all_mask;
if (!still_interesting && extra <= 0)
break;
mark_seen(commit, seen_p);
if ((flags & all_revs) == all_revs)
flags |= UNINTERESTING;
parents = commit->parents;
while (parents) {
struct commit *p = parents->item;
int this_flag = p->object.flags;
parents = parents->next;
if ((this_flag & flags) == flags)
continue;
parse_commit(p);
if (mark_seen(p, seen_p) && !still_interesting)
extra--;
p->object.flags |= flags;
commit_list_insert_by_date(p, list_p);
}
}
/*
* Postprocess to complete well-poisoning.
*
* At this point we have all the commits we have seen in
* seen_p list. Mark anything that can be reached from
* uninteresting commits not interesting.
*/
for (;;) {
int changed = 0;
struct commit_list *s;
for (s = *seen_p; s; s = s->next) {
struct commit *c = s->item;
struct commit_list *parents;
if (((c->object.flags & all_revs) != all_revs) &&
!(c->object.flags & UNINTERESTING))
continue;
/* The current commit is either a merge base or
* already uninteresting one. Mark its parents
* as uninteresting commits _only_ if they are
* already parsed. No reason to find new ones
* here.
*/
parents = c->parents;
while (parents) {
struct commit *p = parents->item;
parents = parents->next;
if (!(p->object.flags & UNINTERESTING)) {
p->object.flags |= UNINTERESTING;
changed = 1;
}
}
}
if (!changed)
break;
}
}
static void show_one_commit(struct commit *commit, int no_name)
{
struct strbuf pretty = STRBUF_INIT;
const char *pretty_str = "(unavailable)";
struct commit_name *name = commit_to_name(commit);
if (commit->object.parsed) {
pp_commit_easy(CMIT_FMT_ONELINE, commit, &pretty);
pretty_str = pretty.buf;
}
skip_prefix(pretty_str, "[PATCH] ", &pretty_str);
if (!no_name) {
if (name && name->head_name) {
printf("[%s", name->head_name);
if (name->generation) {
if (name->generation == 1)
printf("^");
else
printf("~%d", name->generation);
}
printf("] ");
}
else
printf("[%s] ",
find_unique_abbrev(&commit->object.oid,
DEFAULT_ABBREV));
}
puts(pretty_str);
strbuf_release(&pretty);
}
static char *ref_name[MAX_REVS + 1];
static int ref_name_cnt;
static const char *find_digit_prefix(const char *s, int *v)
{
const char *p;
int ver;
char ch;
for (p = s, ver = 0;
'0' <= (ch = *p) && ch <= '9';
p++)
ver = ver * 10 + ch - '0';
*v = ver;
return p;
}
static int version_cmp(const char *a, const char *b)
{
while (1) {
int va, vb;
a = find_digit_prefix(a, &va);
b = find_digit_prefix(b, &vb);
if (va != vb)
return va - vb;
while (1) {
int ca = *a;
int cb = *b;
if ('0' <= ca && ca <= '9')
ca = 0;
if ('0' <= cb && cb <= '9')
cb = 0;
if (ca != cb)
return ca - cb;
if (!ca)
break;
a++;
b++;
}
if (!*a && !*b)
return 0;
}
}
static int compare_ref_name(const void *a_, const void *b_)
{
const char * const*a = a_, * const*b = b_;
return version_cmp(*a, *b);
}
static void sort_ref_range(int bottom, int top)
{
QSORT(ref_name + bottom, top - bottom, compare_ref_name);
}
static int append_ref(const char *refname, const struct object_id *oid,
int allow_dups)
{
struct commit *commit = lookup_commit_reference_gently(the_repository,
oid, 1);
int i;
if (!commit)
return 0;
if (!allow_dups) {
/* Avoid adding the same thing twice */
for (i = 0; i < ref_name_cnt; i++)
if (!strcmp(refname, ref_name[i]))
return 0;
}
if (MAX_REVS <= ref_name_cnt) {
warning(Q_("ignoring %s; cannot handle more than %d ref",
"ignoring %s; cannot handle more than %d refs",
MAX_REVS), refname, MAX_REVS);
return 0;
}
ref_name[ref_name_cnt++] = xstrdup(refname);
ref_name[ref_name_cnt] = NULL;
return 0;
}
static int append_head_ref(const char *refname, const struct object_id *oid,
int flag, void *cb_data)
{
struct object_id tmp;
int ofs = 11;
if (!starts_with(refname, "refs/heads/"))
return 0;
/* If both heads/foo and tags/foo exists, get_sha1 would
* get confused.
*/
if (get_oid(refname + ofs, &tmp) || !oideq(&tmp, oid))
ofs = 5;
return append_ref(refname + ofs, oid, 0);
}
static int append_remote_ref(const char *refname, const struct object_id *oid,
int flag, void *cb_data)
{
struct object_id tmp;
int ofs = 13;
if (!starts_with(refname, "refs/remotes/"))
return 0;
/* If both heads/foo and tags/foo exists, get_sha1 would
* get confused.
*/
if (get_oid(refname + ofs, &tmp) || !oideq(&tmp, oid))
ofs = 5;
return append_ref(refname + ofs, oid, 0);
}
static int append_tag_ref(const char *refname, const struct object_id *oid,
int flag, void *cb_data)
{
if (!starts_with(refname, "refs/tags/"))
return 0;
return append_ref(refname + 5, oid, 0);
}
static const char *match_ref_pattern = NULL;
static int match_ref_slash = 0;
static int append_matching_ref(const char *refname, const struct object_id *oid,
int flag, void *cb_data)
{
/* we want to allow pattern hold/<asterisk> to show all
* branches under refs/heads/hold/, and v0.99.9? to show
* refs/tags/v0.99.9a and friends.
*/
const char *tail;
int slash = count_slashes(refname);
for (tail = refname; *tail && match_ref_slash < slash; )
if (*tail++ == '/')
slash--;
if (!*tail)
return 0;
if (wildmatch(match_ref_pattern, tail, 0))
return 0;
if (starts_with(refname, "refs/heads/"))
return append_head_ref(refname, oid, flag, cb_data);
if (starts_with(refname, "refs/tags/"))
return append_tag_ref(refname, oid, flag, cb_data);
return append_ref(refname, oid, 0);
}
static void snarf_refs(int head, int remotes)
{
if (head) {
int orig_cnt = ref_name_cnt;
for_each_ref(append_head_ref, NULL);
sort_ref_range(orig_cnt, ref_name_cnt);
}
if (remotes) {
int orig_cnt = ref_name_cnt;
for_each_ref(append_remote_ref, NULL);
sort_ref_range(orig_cnt, ref_name_cnt);
}
}
static int rev_is_head(const char *head, const char *name,
unsigned char *head_sha1, unsigned char *sha1)
{
if (!head || (head_sha1 && sha1 && !hasheq(head_sha1, sha1)))
return 0;
skip_prefix(head, "refs/heads/", &head);
if (!skip_prefix(name, "refs/heads/", &name))
skip_prefix(name, "heads/", &name);
return !strcmp(head, name);
}
static int show_merge_base(struct commit_list *seen, int num_rev)
{
int all_mask = ((1u << (REV_SHIFT + num_rev)) - 1);
int all_revs = all_mask & ~((1u << REV_SHIFT) - 1);
int exit_status = 1;
while (seen) {
struct commit *commit = pop_commit(&seen);
int flags = commit->object.flags & all_mask;
if (!(flags & UNINTERESTING) &&
((flags & all_revs) == all_revs)) {
puts(oid_to_hex(&commit->object.oid));
exit_status = 0;
commit->object.flags |= UNINTERESTING;
}
}
return exit_status;
}
static int show_independent(struct commit **rev,
int num_rev,
unsigned int *rev_mask)
{
int i;
for (i = 0; i < num_rev; i++) {
struct commit *commit = rev[i];
unsigned int flag = rev_mask[i];
if (commit->object.flags == flag)
puts(oid_to_hex(&commit->object.oid));
commit->object.flags |= UNINTERESTING;
}
return 0;
}
static void append_one_rev(const char *av)
{
struct object_id revkey;
if (!get_oid(av, &revkey)) {
append_ref(av, &revkey, 0);
return;
}
if (strpbrk(av, "*?[")) {
/* glob style match */
int saved_matches = ref_name_cnt;
match_ref_pattern = av;
match_ref_slash = count_slashes(av);
for_each_ref(append_matching_ref, NULL);
if (saved_matches == ref_name_cnt &&
ref_name_cnt < MAX_REVS)
error(_("no matching refs with %s"), av);
sort_ref_range(saved_matches, ref_name_cnt);
return;
}
die("bad sha1 reference %s", av);
}
static int git_show_branch_config(const char *var, const char *value, void *cb)
{
if (!strcmp(var, "showbranch.default")) {
if (!value)
return config_error_nonbool(var);
/*
* default_arg is now passed to parse_options(), so we need to
* mimic the real argv a bit better.
*/
if (!default_args.nr)
strvec_push(&default_args, "show-branch");
strvec_push(&default_args, value);
return 0;
}
if (!strcmp(var, "color.showbranch")) {
showbranch_use_color = git_config_colorbool(var, value);
return 0;
}
return git_color_default_config(var, value, cb);
}
static int omit_in_dense(struct commit *commit, struct commit **rev, int n)
{
/* If the commit is tip of the named branches, do not
* omit it.
* Otherwise, if it is a merge that is reachable from only one
* tip, it is not that interesting.
*/
int i, flag, count;
for (i = 0; i < n; i++)
if (rev[i] == commit)
return 0;
flag = commit->object.flags;
for (i = count = 0; i < n; i++) {
if (flag & (1u << (i + REV_SHIFT)))
count++;
}
if (count == 1)
return 1;
return 0;
}
static int reflog = 0;
static int parse_reflog_param(const struct option *opt, const char *arg,
int unset)
{
char *ep;
const char **base = (const char **)opt->value;
BUG_ON_OPT_NEG(unset);
if (!arg)
arg = "";
reflog = strtoul(arg, &ep, 10);
if (*ep == ',')
*base = ep + 1;
else if (*ep)
return error("unrecognized reflog param '%s'", arg);
else
*base = NULL;
if (reflog <= 0)
reflog = DEFAULT_REFLOG;
return 0;
}
int cmd_show_branch(int ac, const char **av, const char *prefix)
{
struct commit *rev[MAX_REVS], *commit;
char *reflog_msg[MAX_REVS];
struct commit_list *list = NULL, *seen = NULL;
unsigned int rev_mask[MAX_REVS];
int num_rev, i, extra = 0;
int all_heads = 0, all_remotes = 0;
int all_mask, all_revs;
enum rev_sort_order sort_order = REV_SORT_IN_GRAPH_ORDER;
char *head;
struct object_id head_oid;
int merge_base = 0;
int independent = 0;
int no_name = 0;
int sha1_name = 0;
int shown_merge_point = 0;
int with_current_branch = 0;
int head_at = -1;
int topics = 0;
int dense = 1;
const char *reflog_base = NULL;
struct option builtin_show_branch_options[] = {
OPT_BOOL('a', "all", &all_heads,
N_("show remote-tracking and local branches")),
OPT_BOOL('r', "remotes", &all_remotes,
N_("show remote-tracking branches")),
OPT__COLOR(&showbranch_use_color,
N_("color '*!+-' corresponding to the branch")),
{ OPTION_INTEGER, 0, "more", &extra, N_("n"),
N_("show <n> more commits after the common ancestor"),
PARSE_OPT_OPTARG, NULL, (intptr_t)1 },
OPT_SET_INT(0, "list", &extra, N_("synonym to more=-1"), -1),
OPT_BOOL(0, "no-name", &no_name, N_("suppress naming strings")),
OPT_BOOL(0, "current", &with_current_branch,
N_("include the current branch")),
OPT_BOOL(0, "sha1-name", &sha1_name,
N_("name commits with their object names")),
OPT_BOOL(0, "merge-base", &merge_base,
N_("show possible merge bases")),
OPT_BOOL(0, "independent", &independent,
N_("show refs unreachable from any other ref")),
OPT_SET_INT(0, "topo-order", &sort_order,
N_("show commits in topological order"),
REV_SORT_IN_GRAPH_ORDER),
OPT_BOOL(0, "topics", &topics,
N_("show only commits not on the first branch")),
OPT_SET_INT(0, "sparse", &dense,
N_("show merges reachable from only one tip"), 0),
OPT_SET_INT(0, "date-order", &sort_order,
N_("topologically sort, maintaining date order "
"where possible"),
REV_SORT_BY_COMMIT_DATE),
OPT_CALLBACK_F('g', "reflog", &reflog_base, N_("<n>[,<base>]"),
N_("show <n> most recent ref-log entries starting at "
"base"),
PARSE_OPT_OPTARG | PARSE_OPT_NONEG,
parse_reflog_param),
OPT_END()
};
init_commit_name_slab(&name_slab);
git_config(git_show_branch_config, NULL);
/* If nothing is specified, try the default first */
if (ac == 1 && default_args.nr) {
ac = default_args.nr;
av = default_args.v;
}
ac = parse_options(ac, av, prefix, builtin_show_branch_options,
show_branch_usage, PARSE_OPT_STOP_AT_NON_OPTION);
if (all_heads)
all_remotes = 1;
if (extra || reflog) {
/* "listing" mode is incompatible with
* independent nor merge-base modes.
*/
if (independent || merge_base)
usage_with_options(show_branch_usage,
builtin_show_branch_options);
if (reflog && ((0 < extra) || all_heads || all_remotes))
/*
* Asking for --more in reflog mode does not
* make sense. --list is Ok.
*
* Also --all and --remotes do not make sense either.
*/
die(_("--reflog is incompatible with --all, --remotes, "
"--independent or --merge-base"));
}
/* If nothing is specified, show all branches by default */
if (ac <= topics && all_heads + all_remotes == 0)
all_heads = 1;
if (reflog) {
struct object_id oid;
char *ref;
int base = 0;
unsigned int flags = 0;
if (ac == 0) {
static const char *fake_av[2];
fake_av[0] = resolve_refdup("HEAD",
RESOLVE_REF_READING, &oid,
NULL);
fake_av[1] = NULL;
av = fake_av;
ac = 1;
if (!*av)
die(_("no branches given, and HEAD is not valid"));
}
if (ac != 1)
die(_("--reflog option needs one branch name"));
if (MAX_REVS < reflog)
die(Q_("only %d entry can be shown at one time.",
"only %d entries can be shown at one time.",
MAX_REVS), MAX_REVS);
if (!dwim_ref(*av, strlen(*av), &oid, &ref))
die(_("no such ref %s"), *av);
/* Has the base been specified? */
if (reflog_base) {
char *ep;
base = strtoul(reflog_base, &ep, 10);
if (*ep) {
/* Ah, that is a date spec... */
timestamp_t at;
at = approxidate(reflog_base);
read_ref_at(get_main_ref_store(the_repository),
ref, flags, at, -1, &oid, NULL,
NULL, NULL, &base);
}
}
for (i = 0; i < reflog; i++) {
char *logmsg;
char *nth_desc;
const char *msg;
timestamp_t timestamp;
int tz;
if (read_ref_at(get_main_ref_store(the_repository),
ref, flags, 0, base + i, &oid, &logmsg,
&timestamp, &tz, NULL)) {
reflog = i;
break;
}
msg = strchr(logmsg, '\t');
if (!msg)
msg = "(none)";
else
msg++;
reflog_msg[i] = xstrfmt("(%s) %s",
show_date(timestamp, tz,
DATE_MODE(RELATIVE)),
msg);
free(logmsg);
nth_desc = xstrfmt("%s@{%d}", *av, base+i);
append_ref(nth_desc, &oid, 1);
free(nth_desc);
}
free(ref);
}
else {
while (0 < ac) {
append_one_rev(*av);
ac--; av++;
}
if (all_heads + all_remotes)
snarf_refs(all_heads, all_remotes);
}
head = resolve_refdup("HEAD", RESOLVE_REF_READING,
&head_oid, NULL);
if (with_current_branch && head) {
int has_head = 0;
for (i = 0; !has_head && i < ref_name_cnt; i++) {
/* We are only interested in adding the branch
* HEAD points at.
*/
if (rev_is_head(head,
ref_name[i],
head_oid.hash, NULL))
has_head++;
}
if (!has_head) {
const char *name = head;
skip_prefix(name, "refs/heads/", &name);
append_one_rev(name);
}
}
if (!ref_name_cnt) {
fprintf(stderr, "No revs to be shown.\n");
exit(0);
}
for (num_rev = 0; ref_name[num_rev]; num_rev++) {
struct object_id revkey;
unsigned int flag = 1u << (num_rev + REV_SHIFT);
if (MAX_REVS <= num_rev)
die(Q_("cannot handle more than %d rev.",
"cannot handle more than %d revs.",
MAX_REVS), MAX_REVS);
if (get_oid(ref_name[num_rev], &revkey))
die(_("'%s' is not a valid ref."), ref_name[num_rev]);
commit = lookup_commit_reference(the_repository, &revkey);
if (!commit)
die(_("cannot find commit %s (%s)"),
ref_name[num_rev], oid_to_hex(&revkey));
parse_commit(commit);
mark_seen(commit, &seen);
/* rev#0 uses bit REV_SHIFT, rev#1 uses bit REV_SHIFT+1,
* and so on. REV_SHIFT bits from bit 0 are used for
* internal bookkeeping.
*/
commit->object.flags |= flag;
if (commit->object.flags == flag)
commit_list_insert_by_date(commit, &list);
rev[num_rev] = commit;
}
for (i = 0; i < num_rev; i++)
rev_mask[i] = rev[i]->object.flags;
if (0 <= extra)
join_revs(&list, &seen, num_rev, extra);
commit_list_sort_by_date(&seen);
if (merge_base)
return show_merge_base(seen, num_rev);
if (independent)
return show_independent(rev, num_rev, rev_mask);
/* Show list; --more=-1 means list-only */
if (1 < num_rev || extra < 0) {
for (i = 0; i < num_rev; i++) {
int j;
int is_head = rev_is_head(head,
ref_name[i],
head_oid.hash,
rev[i]->object.oid.hash);
if (extra < 0)
printf("%c [%s] ",
is_head ? '*' : ' ', ref_name[i]);
else {
for (j = 0; j < i; j++)
putchar(' ');
printf("%s%c%s [%s] ",
get_color_code(i),
is_head ? '*' : '!',
get_color_reset_code(), ref_name[i]);
}
if (!reflog) {
/* header lines never need name */
show_one_commit(rev[i], 1);
}
else
puts(reflog_msg[i]);
if (is_head)
head_at = i;
}
if (0 <= extra) {
for (i = 0; i < num_rev; i++)
putchar('-');
putchar('\n');
}
}
if (extra < 0)
exit(0);
/* Sort topologically */
sort_in_topological_order(&seen, sort_order);
/* Give names to commits */
if (!sha1_name && !no_name)
name_commits(seen, rev, ref_name, num_rev);
all_mask = ((1u << (REV_SHIFT + num_rev)) - 1);
all_revs = all_mask & ~((1u << REV_SHIFT) - 1);
while (seen) {
struct commit *commit = pop_commit(&seen);
int this_flag = commit->object.flags;
int is_merge_point = ((this_flag & all_revs) == all_revs);
shown_merge_point |= is_merge_point;
if (1 < num_rev) {
int is_merge = !!(commit->parents &&
commit->parents->next);
if (topics &&
!is_merge_point &&
(this_flag & (1u << REV_SHIFT)))
continue;
if (dense && is_merge &&
omit_in_dense(commit, rev, num_rev))
continue;
for (i = 0; i < num_rev; i++) {
int mark;
if (!(this_flag & (1u << (i + REV_SHIFT))))
mark = ' ';
else if (is_merge)
mark = '-';
else if (i == head_at)
mark = '*';
else
mark = '+';
printf("%s%c%s",
get_color_code(i),
mark, get_color_reset_code());
}
putchar(' ');
}
show_one_commit(commit, no_name);
if (shown_merge_point && --extra < 0)
break;
}
return 0;
}