static void gc_config(void)
{
const char *value;
if (!git_config_get_value("gc.packrefs", &value)) {
if (value && !strcmp(value, "notbare"))
pack_refs = -1;
else
pack_refs = git_config_bool("gc.packrefs", value);
}
git_config_get_int("gc.aggressivewindow", &aggressive_window);
git_config_get_int("gc.aggressivedepth", &aggressive_depth);
git_config_get_int("gc.auto", &gc_auto_threshold);
git_config_get_int("gc.autopacklimit", &gc_auto_pack_limit);
git_config_get_bool("gc.autodetach", &detach_auto);
if (!git_config_get_string_const("gc.pruneexpire", &prune_expire)) {
if (strcmp(prune_expire, "now")) {
unsigned long now = approxidate("now");
if (approxidate(prune_expire) >= now) {
git_die_config("gc.pruneexpire", _("Invalid gc.pruneexpire: '%s'"),
prune_expire);
}
}
}
git_config(git_default_config, NULL);
}
static int gc_config(const char *var, const char *value, void *cb)
{
if (!strcmp(var, "gc.packrefs")) {
if (value && !strcmp(value, "notbare"))
pack_refs = -1;
else
pack_refs = git_config_bool(var, value);
return 0;
}
if (!strcmp(var, "gc.aggressivewindow")) {
aggressive_window = git_config_int(var, value);
return 0;
}
if (!strcmp(var, "gc.auto")) {
gc_auto_threshold = git_config_int(var, value);
return 0;
}
if (!strcmp(var, "gc.autopacklimit")) {
gc_auto_pack_limit = git_config_int(var, value);
return 0;
}
if (!strcmp(var, "gc.pruneexpire")) {
if (!value)
return config_error_nonbool(var);
if (strcmp(value, "now")) {
unsigned long now = approxidate("now");
if (approxidate(value) >= now)
return error("Invalid %s: '%s'", var, value);
}
prune_expire = xstrdup(value);
return 0;
}
return git_default_config(var, value, cb);
}
static void git_config_date_string(const char *key, const char **output)
{
if (git_config_get_string_const(key, output))
return;
if (strcmp(*output, "now")) {
unsigned long now = approxidate("now");
if (approxidate(*output) >= now)
git_die_config(key, _("Invalid %s: '%s'"), key, *output);
}
}
int main() {
long usec;
struct timeval start, end;
gettimeofday(&start, NULL);
for (int i = 0; i < ROUNDS; i++) {
struct timeval t;
approxidate("10/Mar/2013:00:00:02.003 -0500", &t);
}
gettimeofday(&end, NULL);
usec = end.tv_usec - start.tv_usec;
double approxidate_time = usec/((double)(1000*1000));
approxidate_time += end.tv_sec - start.tv_sec;
gettimeofday(&start, NULL);
for (int i = 0; i < ROUNDS; i++) {
struct tm m;
strptime("10/Mar/2013:00:00:02", "%d/%b/%Y:%T", &m);
}
gettimeofday(&end, NULL);
usec = end.tv_usec - start.tv_usec;
double strptime_time = usec/((double)(1000*1000));
strptime_time += end.tv_sec - start.tv_sec;
printf("approxidate time: %lf\n", approxidate_time);
printf("strptime time: %lf\n", strptime_time);
return 0;
}
static int gc_config(const char *var, const char *value, void *cb)
{
if (!strcmp(var, "gc.packrefs")) {
if (value && !strcmp(value, "notbare"))
pack_refs = -1;
else
pack_refs = git_config_bool(var, value);
return 0;
}
if (!strcmp(var, "gc.aggressivewindow")) {
aggressive_window = git_config_int(var, value);
return 0;
}
if (!strcmp(var, "gc.aggressivedepth")) {
aggressive_depth = git_config_int(var, value);
return 0;
}
if (!strcmp(var, "gc.auto")) {
gc_auto_threshold = git_config_int(var, value);
return 0;
}
if (!strcmp(var, "gc.autopacklimit")) {
gc_auto_pack_limit = git_config_int(var, value);
return 0;
}
if (!strcmp(var, "gc.autodetach")) {
detach_auto = git_config_bool(var, value);
return 0;
}
if (!strcmp(var, "gc.pruneexpire")) {
if (value && strcmp(value, "now")) {
unsigned long now = approxidate("now");
if (approxidate(value) >= now)
return error(_("Invalid %s: '%s'"), var, value);
}
return git_config_string(&prune_expire, var, value);
}
if (!strcmp(var, "gc.prunereposexpire")) {
if (value && strcmp(value, "now")) {
unsigned long now = approxidate("now");
if (approxidate(value) >= now)
return error(_("Invalid %s: '%s'"), var, value);
}
return git_config_string(&prune_repos_expire, var, value);
}
return git_default_config(var, value, cb);
}
static void show_datestring(const char *flag, const char *datestr)
{
static char buffer[100];
/* date handling requires both flags and revs */
if ((filter & (DO_FLAGS | DO_REVS)) != (DO_FLAGS | DO_REVS))
return;
snprintf(buffer, sizeof(buffer), "%s%lu", flag, approxidate(datestr));
show(buffer);
}
static void parse_approxidate(char **argv)
{
char buff[100];
for (; *argv; argv++) {
time_t t;
t = approxidate(*argv);
strftime(buff, 100, "%d/%m/%Y %H:%M:%S", localtime(&t));
printf("%s -> %s\n", *argv, buff);
}
}
static void show_datestring(const char *flag, const char *datestr)
{
char *buffer;
/* date handling requires both flags and revs */
if ((filter & (DO_FLAGS | DO_REVS)) != (DO_FLAGS | DO_REVS))
return;
buffer = xstrfmt("%s%"PRItime, flag, approxidate(datestr));
show(buffer);
free(buffer);
}
static int l_tm_approxidate_milli (lua_State *L)
{
char* date_string = (char*)colony_toutf8(L, 1);
struct timeval tv;
approxidate(date_string, &tv);
double sec = (double)tv.tv_sec;
double usec = (double)tv.tv_usec;
double millisec = sec * 1000;
double micro_milli = floor(usec/1000);
double since_epoch = millisec+micro_milli;
lua_pushnumber(L, since_epoch);
return 1;
}
static void add_shallow_requests(struct strbuf *req_buf,
const struct fetch_pack_args *args)
{
if (is_repository_shallow(the_repository))
write_shallow_commits(req_buf, 1, NULL);
if (args->depth > 0)
packet_buf_write(req_buf, "deepen %d", args->depth);
if (args->deepen_since) {
timestamp_t max_age = approxidate(args->deepen_since);
packet_buf_write(req_buf, "deepen-since %"PRItime, max_age);
}
if (args->deepen_not) {
int i;
for (i = 0; i < args->deepen_not->nr; i++) {
struct string_list_item *s = args->deepen_not->items + i;
packet_buf_write(req_buf, "deepen-not %s", s->string);
}
}
}
int parse_opt_approxidate_cb(const struct option *opt, const char *arg,
int unset)
{
*(unsigned long *)(opt->value) = approxidate(arg);
return 0;
}
int add_reflog_for_walk(struct reflog_walk_info *info,
struct commit *commit, const char *name)
{
timestamp_t timestamp = 0;
int recno = -1;
struct string_list_item *item;
struct complete_reflogs *reflogs;
char *branch, *at = strchr(name, '@');
struct commit_reflog *commit_reflog;
enum selector_type selector = SELECTOR_NONE;
if (commit->object.flags & UNINTERESTING)
die ("Cannot walk reflogs for %s", name);
branch = xstrdup(name);
if (at && at[1] == '{') {
char *ep;
branch[at - name] = '\0';
recno = strtoul(at + 2, &ep, 10);
if (*ep != '}') {
recno = -1;
timestamp = approxidate(at + 2);
selector = SELECTOR_DATE;
}
else
selector = SELECTOR_INDEX;
} else
recno = 0;
item = string_list_lookup(&info->complete_reflogs, branch);
if (item)
reflogs = item->util;
else {
if (*branch == '\0') {
struct object_id oid;
free(branch);
branch = resolve_refdup("HEAD", 0, oid.hash, NULL);
if (!branch)
die ("No current branch");
}
reflogs = read_complete_reflog(branch);
if (!reflogs || reflogs->nr == 0) {
struct object_id oid;
char *b;
int ret = dwim_log(branch, strlen(branch),
oid.hash, &b);
if (ret > 1)
free(b);
else if (ret == 1) {
if (reflogs) {
free(reflogs->ref);
free(reflogs);
}
free(branch);
branch = b;
reflogs = read_complete_reflog(branch);
}
}
if (!reflogs || reflogs->nr == 0) {
if (reflogs) {
free(reflogs->ref);
free(reflogs);
}
free(branch);
return -1;
}
string_list_insert(&info->complete_reflogs, branch)->util
= reflogs;
}
free(branch);
commit_reflog = xcalloc(1, sizeof(struct commit_reflog));
if (recno < 0) {
commit_reflog->recno = get_reflog_recno_by_time(reflogs, timestamp);
if (commit_reflog->recno < 0) {
if (reflogs) {
free(reflogs->ref);
free(reflogs);
}
free(commit_reflog);
return -1;
}
} else
commit_reflog->recno = reflogs->nr - recno - 1;
commit_reflog->selector = selector;
commit_reflog->reflogs = reflogs;
add_commit_info(commit, commit_reflog, &info->reflogs);
return 0;
}
static int cmd_reflog_delete(int argc, const char **argv, const char *prefix)
{
struct expire_reflog_policy_cb cb;
int i, status = 0;
unsigned int flags = 0;
memset(&cb, 0, sizeof(cb));
for (i = 1; i < argc; i++) {
const char *arg = argv[i];
if (!strcmp(arg, "--dry-run") || !strcmp(arg, "-n"))
flags |= EXPIRE_REFLOGS_DRY_RUN;
else if (!strcmp(arg, "--rewrite"))
flags |= EXPIRE_REFLOGS_REWRITE;
else if (!strcmp(arg, "--updateref"))
flags |= EXPIRE_REFLOGS_UPDATE_REF;
else if (!strcmp(arg, "--verbose"))
flags |= EXPIRE_REFLOGS_VERBOSE;
else if (!strcmp(arg, "--")) {
i++;
break;
}
else if (arg[0] == '-')
usage(_(reflog_delete_usage));
else
break;
}
if (argc - i < 1)
return error(_("no reflog specified to delete"));
for ( ; i < argc; i++) {
const char *spec = strstr(argv[i], "@{");
struct object_id oid;
char *ep, *ref;
int recno;
if (!spec) {
status |= error(_("not a reflog: %s"), argv[i]);
continue;
}
if (!dwim_log(argv[i], spec - argv[i], &oid, &ref)) {
status |= error(_("no reflog for '%s'"), argv[i]);
continue;
}
recno = strtoul(spec + 2, &ep, 10);
if (*ep == '}') {
cb.cmd.recno = -recno;
for_each_reflog_ent(ref, count_reflog_ent, &cb);
} else {
cb.cmd.expire_total = approxidate(spec + 2);
for_each_reflog_ent(ref, count_reflog_ent, &cb);
cb.cmd.expire_total = 0;
}
status |= reflog_expire(ref, &oid, flags,
reflog_expiry_prepare,
should_expire_reflog_ent,
reflog_expiry_cleanup,
&cb);
free(ref);
}
return status;
}
static int handle_revision_opt(struct rev_info *revs, int argc, const char **argv,
int *unkc, const char **unkv)
{
const char *arg = argv[0];
/* pseudo revision arguments */
if (!strcmp(arg, "--all") || !strcmp(arg, "--branches") ||
!strcmp(arg, "--tags") || !strcmp(arg, "--remotes") ||
!strcmp(arg, "--reflog") || !strcmp(arg, "--not") ||
!strcmp(arg, "--no-walk") || !strcmp(arg, "--do-walk"))
{
unkv[(*unkc)++] = arg;
return 1;
}
if (!prefixcmp(arg, "--max-count=")) {
revs->max_count = atoi(arg + 12);
} else if (!prefixcmp(arg, "--skip=")) {
revs->skip_count = atoi(arg + 7);
} else if ((*arg == '-') && isdigit(arg[1])) {
/* accept -<digit>, like traditional "head" */
revs->max_count = atoi(arg + 1);
} else if (!strcmp(arg, "-n")) {
if (argc <= 1)
return error("-n requires an argument");
revs->max_count = atoi(argv[1]);
return 2;
} else if (!prefixcmp(arg, "-n")) {
revs->max_count = atoi(arg + 2);
} else if (!prefixcmp(arg, "--max-age=")) {
revs->max_age = atoi(arg + 10);
} else if (!prefixcmp(arg, "--since=")) {
revs->max_age = approxidate(arg + 8);
} else if (!prefixcmp(arg, "--after=")) {
revs->max_age = approxidate(arg + 8);
} else if (!prefixcmp(arg, "--min-age=")) {
revs->min_age = atoi(arg + 10);
} else if (!prefixcmp(arg, "--before=")) {
revs->min_age = approxidate(arg + 9);
} else if (!prefixcmp(arg, "--until=")) {
revs->min_age = approxidate(arg + 8);
} else if (!strcmp(arg, "--first-parent")) {
revs->first_parent_only = 1;
} else if (!strcmp(arg, "-g") || !strcmp(arg, "--walk-reflogs")) {
init_reflog_walk(&revs->reflog_info);
} else if (!strcmp(arg, "--default")) {
if (argc <= 1)
return error("bad --default argument");
revs->def = argv[1];
return 2;
} else if (!strcmp(arg, "--merge")) {
revs->show_merge = 1;
} else if (!strcmp(arg, "--topo-order")) {
revs->lifo = 1;
revs->topo_order = 1;
} else if (!strcmp(arg, "--simplify-merges")) {
revs->simplify_merges = 1;
revs->rewrite_parents = 1;
revs->simplify_history = 0;
revs->limited = 1;
} else if (!strcmp(arg, "--date-order")) {
revs->lifo = 0;
revs->topo_order = 1;
} else if (!prefixcmp(arg, "--early-output")) {
int count = 100;
switch (arg[14]) {
case '=':
count = atoi(arg+15);
/* Fallthrough */
case 0:
revs->topo_order = 1;
revs->early_output = count;
}
} else if (!strcmp(arg, "--parents")) {
revs->rewrite_parents = 1;
revs->print_parents = 1;
} else if (!strcmp(arg, "--dense")) {
revs->dense = 1;
} else if (!strcmp(arg, "--sparse")) {
revs->dense = 0;
} else if (!strcmp(arg, "--show-all")) {
revs->show_all = 1;
} else if (!strcmp(arg, "--remove-empty")) {
revs->remove_empty_trees = 1;
} else if (!strcmp(arg, "--no-merges")) {
revs->no_merges = 1;
} else if (!strcmp(arg, "--boundary")) {
revs->boundary = 1;
} else if (!strcmp(arg, "--left-right")) {
revs->left_right = 1;
} else if (!strcmp(arg, "--cherry-pick")) {
revs->cherry_pick = 1;
revs->limited = 1;
} else if (!strcmp(arg, "--objects")) {
revs->tag_objects = 1;
revs->tree_objects = 1;
revs->blob_objects = 1;
} else if (!strcmp(arg, "--objects-edge")) {
revs->tag_objects = 1;
revs->tree_objects = 1;
revs->blob_objects = 1;
revs->edge_hint = 1;
} else if (!strcmp(arg, "--unpacked")) {
revs->unpacked = 1;
free(revs->ignore_packed);
revs->ignore_packed = NULL;
revs->num_ignore_packed = 0;
} else if (!prefixcmp(arg, "--unpacked=")) {
revs->unpacked = 1;
add_ignore_packed(revs, arg+11);
} else if (!strcmp(arg, "-r")) {
revs->diff = 1;
DIFF_OPT_SET(&revs->diffopt, RECURSIVE);
} else if (!strcmp(arg, "-t")) {
revs->diff = 1;
DIFF_OPT_SET(&revs->diffopt, RECURSIVE);
DIFF_OPT_SET(&revs->diffopt, TREE_IN_RECURSIVE);
} else if (!strcmp(arg, "-m")) {
revs->ignore_merges = 0;
} else if (!strcmp(arg, "-c")) {
revs->diff = 1;
revs->dense_combined_merges = 0;
revs->combine_merges = 1;
} else if (!strcmp(arg, "--cc")) {
revs->diff = 1;
revs->dense_combined_merges = 1;
revs->combine_merges = 1;
} else if (!strcmp(arg, "-v")) {
revs->verbose_header = 1;
} else if (!strcmp(arg, "--pretty")) {
revs->verbose_header = 1;
get_commit_format(arg+8, revs);
} else if (!prefixcmp(arg, "--pretty=")) {
revs->verbose_header = 1;
get_commit_format(arg+9, revs);
} else if (!strcmp(arg, "--graph")) {
revs->topo_order = 1;
revs->rewrite_parents = 1;
revs->graph = graph_init(revs);
} else if (!strcmp(arg, "--root")) {
revs->show_root_diff = 1;
} else if (!strcmp(arg, "--no-commit-id")) {
revs->no_commit_id = 1;
} else if (!strcmp(arg, "--always")) {
revs->always_show_header = 1;
} else if (!strcmp(arg, "--no-abbrev")) {
revs->abbrev = 0;
} else if (!strcmp(arg, "--abbrev")) {
revs->abbrev = DEFAULT_ABBREV;
} else if (!prefixcmp(arg, "--abbrev=")) {
revs->abbrev = strtoul(arg + 9, NULL, 10);
if (revs->abbrev < MINIMUM_ABBREV)
revs->abbrev = MINIMUM_ABBREV;
else if (revs->abbrev > 40)
revs->abbrev = 40;
} else if (!strcmp(arg, "--abbrev-commit")) {
revs->abbrev_commit = 1;
} else if (!strcmp(arg, "--full-diff")) {
revs->diff = 1;
revs->full_diff = 1;
} else if (!strcmp(arg, "--full-history")) {
revs->simplify_history = 0;
} else if (!strcmp(arg, "--relative-date")) {
revs->date_mode = DATE_RELATIVE;
} else if (!strncmp(arg, "--date=", 7)) {
revs->date_mode = parse_date_format(arg + 7);
} else if (!strcmp(arg, "--log-size")) {
revs->show_log_size = 1;
}
/*
* Grepping the commit log
*/
else if (!prefixcmp(arg, "--author=")) {
add_header_grep(revs, GREP_HEADER_AUTHOR, arg+9);
} else if (!prefixcmp(arg, "--committer=")) {
add_header_grep(revs, GREP_HEADER_COMMITTER, arg+12);
} else if (!prefixcmp(arg, "--grep=")) {
add_message_grep(revs, arg+7);
} else if (!strcmp(arg, "--extended-regexp") || !strcmp(arg, "-E")) {
revs->grep_filter.regflags |= REG_EXTENDED;
} else if (!strcmp(arg, "--regexp-ignore-case") || !strcmp(arg, "-i")) {
revs->grep_filter.regflags |= REG_ICASE;
} else if (!strcmp(arg, "--fixed-strings") || !strcmp(arg, "-F")) {
revs->grep_filter.fixed = 1;
} else if (!strcmp(arg, "--all-match")) {
revs->grep_filter.all_match = 1;
} else if (!prefixcmp(arg, "--encoding=")) {
arg += 11;
if (strcmp(arg, "none"))
git_log_output_encoding = xstrdup(arg);
else
git_log_output_encoding = "";
} else if (!strcmp(arg, "--reverse")) {
revs->reverse ^= 1;
} else if (!strcmp(arg, "--children")) {
revs->children.name = "children";
revs->limited = 1;
} else {
int opts = diff_opt_parse(&revs->diffopt, argv, argc);
if (!opts)
unkv[(*unkc)++] = arg;
return opts;
}
return 1;
}
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;
int lifo = 1;
char head[128];
const char *head_p;
int head_len;
unsigned char head_sha1[20];
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;
int reflog = 0;
const char *reflog_base = NULL;
git_config(git_show_branch_config);
/* If nothing is specified, try the default first */
if (ac == 1 && default_num) {
ac = default_num + 1;
av = default_arg - 1; /* ick; we would not address av[0] */
}
while (1 < ac && av[1][0] == '-') {
const char *arg = av[1];
if (!strcmp(arg, "--")) {
ac--; av++;
break;
}
else if (!strcmp(arg, "--all") || !strcmp(arg, "-a"))
all_heads = all_remotes = 1;
else if (!strcmp(arg, "--remotes") || !strcmp(arg, "-r"))
all_remotes = 1;
else if (!strcmp(arg, "--more"))
extra = 1;
else if (!strcmp(arg, "--list"))
extra = -1;
else if (!strcmp(arg, "--no-name"))
no_name = 1;
else if (!strcmp(arg, "--current"))
with_current_branch = 1;
else if (!strcmp(arg, "--sha1-name"))
sha1_name = 1;
else if (!prefixcmp(arg, "--more="))
extra = atoi(arg + 7);
else if (!strcmp(arg, "--merge-base"))
merge_base = 1;
else if (!strcmp(arg, "--independent"))
independent = 1;
else if (!strcmp(arg, "--topo-order"))
lifo = 1;
else if (!strcmp(arg, "--topics"))
topics = 1;
else if (!strcmp(arg, "--sparse"))
dense = 0;
else if (!strcmp(arg, "--date-order"))
lifo = 0;
else if (!strcmp(arg, "--reflog") || !strcmp(arg, "-g")) {
reflog = DEFAULT_REFLOG;
}
else if (!prefixcmp(arg, "--reflog="))
parse_reflog_param(arg + 9, &reflog, &reflog_base);
else if (!prefixcmp(arg, "-g="))
parse_reflog_param(arg + 3, &reflog, &reflog_base);
else
usage(show_branch_usage);
ac--; av++;
}
ac--; av++;
if (extra || reflog) {
/* "listing" mode is incompatible with
* independent nor merge-base modes.
*/
if (independent || merge_base)
usage(show_branch_usage);
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.
*/
usage(show_branch_usage_reflog);
}
/* If nothing is specified, show all branches by default */
if (ac + all_heads + all_remotes == 0)
all_heads = 1;
if (reflog) {
unsigned char sha1[20];
char nth_desc[256];
char *ref;
int base = 0;
if (ac == 0) {
static const char *fake_av[2];
const char *refname;
refname = resolve_ref("HEAD", sha1, 1, NULL);
fake_av[0] = xstrdup(refname);
fake_av[1] = NULL;
av = fake_av;
ac = 1;
}
if (ac != 1)
die("--reflog option needs one branch name");
if (MAX_REVS < reflog)
die("Only %d entries can be shown at one time.",
MAX_REVS);
if (!dwim_ref(*av, strlen(*av), sha1, &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... */
unsigned long at;
at = approxidate(reflog_base);
read_ref_at(ref, at, -1, sha1, NULL,
NULL, NULL, &base);
}
}
for (i = 0; i < reflog; i++) {
char *logmsg, *m;
const char *msg;
unsigned long timestamp;
int tz;
if (read_ref_at(ref, 0, base+i, sha1, &logmsg,
×tamp, &tz, NULL)) {
reflog = i;
break;
}
msg = strchr(logmsg, '\t');
if (!msg)
msg = "(none)";
else
msg++;
m = xmalloc(strlen(msg) + 200);
sprintf(m, "(%s) %s",
show_date(timestamp, tz, 1),
msg);
reflog_msg[i] = m;
free(logmsg);
sprintf(nth_desc, "%s@{%d}", *av, base+i);
append_ref(nth_desc, sha1, 1);
}
}
else if (all_heads + all_remotes)
snarf_refs(all_heads, all_remotes);
else {
while (0 < ac) {
append_one_rev(*av);
ac--; av++;
}
}
head_p = resolve_ref("HEAD", head_sha1, 1, NULL);
if (head_p) {
head_len = strlen(head_p);
memcpy(head, head_p, head_len + 1);
}
else {
head_len = 0;
head[0] = 0;
}
if (with_current_branch && head_p) {
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,
head_len,
ref_name[i],
head_sha1, NULL))
has_head++;
}
if (!has_head) {
int pfxlen = strlen("refs/heads/");
append_one_rev(head + pfxlen);
}
}
if (!ref_name_cnt) {
fprintf(stderr, "No revs to be shown.\n");
exit(0);
}
for (num_rev = 0; ref_name[num_rev]; num_rev++) {
unsigned char revkey[20];
unsigned int flag = 1u << (num_rev + REV_SHIFT);
if (MAX_REVS <= num_rev)
die("cannot handle more than %d revs.", MAX_REVS);
if (get_sha1(ref_name[num_rev], revkey))
die("'%s' is not a valid ref.", ref_name[num_rev]);
commit = lookup_commit_reference(revkey);
if (!commit)
die("cannot find commit %s (%s)",
ref_name[num_rev], 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)
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);
sort_by_date(&seen);
if (merge_base)
return show_merge_base(seen, num_rev);
if (independent)
return show_independent(rev, num_rev, ref_name, 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,
head_len,
ref_name[i],
head_sha1,
rev[i]->object.sha1);
if (extra < 0)
printf("%c [%s] ",
is_head ? '*' : ' ', ref_name[i]);
else {
for (j = 0; j < i; j++)
putchar(' ');
printf("%c [%s] ",
is_head ? '*' : '!', 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, lifo);
/* 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_one_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 = '+';
putchar(mark);
}
putchar(' ');
}
show_one_commit(commit, no_name);
if (shown_merge_point && --extra < 0)
break;
}
return 0;
}
int parse_opt_approxidate_cb(const struct option *opt, const char *arg,
int unset)
{
*(timestamp_t *)(opt->value) = approxidate(arg);
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;
int lifo = 1;
char head[128];
const char *head_p;
int head_len;
unsigned char head_sha1[20];
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_BOOLEAN('a', "all", &all_heads,
"show remote-tracking and local branches"),
OPT_BOOLEAN('r', "remotes", &all_remotes,
"show remote-tracking branches"),
OPT__COLOR(&showbranch_use_color,
"color '*!+-' corresponding to the branch"),
{ OPTION_INTEGER, 0, "more", &extra, "n",
"show <n> more commits after the common ancestor",
PARSE_OPT_OPTARG, NULL, (intptr_t)1 },
OPT_SET_INT(0, "list", &extra, "synonym to more=-1", -1),
OPT_BOOLEAN(0, "no-name", &no_name, "suppress naming strings"),
OPT_BOOLEAN(0, "current", &with_current_branch,
"include the current branch"),
OPT_BOOLEAN(0, "sha1-name", &sha1_name,
"name commits with their object names"),
OPT_BOOLEAN(0, "merge-base", &merge_base,
"show possible merge bases"),
OPT_BOOLEAN(0, "independent", &independent,
"show refs unreachable from any other ref"),
OPT_BOOLEAN(0, "topo-order", &lifo,
"show commits in topological order"),
OPT_BOOLEAN(0, "topics", &topics,
"show only commits not on the first branch"),
OPT_SET_INT(0, "sparse", &dense,
"show merges reachable from only one tip", 0),
OPT_SET_INT(0, "date-order", &lifo,
"show commits where no parent comes before its "
"children", 0),
{ OPTION_CALLBACK, 'g', "reflog", &reflog_base, "<n>[,<base>]",
"show <n> most recent ref-log entries starting at "
"base",
PARSE_OPT_OPTARG | PARSE_OPT_LITERAL_ARGHELP,
parse_reflog_param },
OPT_END()
};
git_config(git_show_branch_config, NULL);
if (showbranch_use_color == -1)
showbranch_use_color = git_use_color_default;
/* If nothing is specified, try the default first */
if (ac == 1 && default_num) {
ac = default_num;
av = default_arg;
}
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 + all_heads + all_remotes == 0)
all_heads = 1;
if (reflog) {
unsigned char sha1[20];
char nth_desc[256];
char *ref;
int base = 0;
if (ac == 0) {
static const char *fake_av[2];
const char *refname;
refname = resolve_ref("HEAD", sha1, 1, NULL);
fake_av[0] = xstrdup(refname);
fake_av[1] = NULL;
av = fake_av;
ac = 1;
}
if (ac != 1)
die("--reflog option needs one branch name");
if (MAX_REVS < reflog)
die("Only %d entries can be shown at one time.",
MAX_REVS);
if (!dwim_ref(*av, strlen(*av), sha1, &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... */
unsigned long at;
at = approxidate(reflog_base);
read_ref_at(ref, at, -1, sha1, NULL,
NULL, NULL, &base);
}
}
for (i = 0; i < reflog; i++) {
char *logmsg, *m;
const char *msg;
unsigned long timestamp;
int tz;
if (read_ref_at(ref, 0, base+i, sha1, &logmsg,
×tamp, &tz, NULL)) {
reflog = i;
break;
}
msg = strchr(logmsg, '\t');
if (!msg)
msg = "(none)";
else
msg++;
m = xmalloc(strlen(msg) + 200);
sprintf(m, "(%s) %s",
show_date(timestamp, tz, 1),
msg);
reflog_msg[i] = m;
free(logmsg);
sprintf(nth_desc, "%s@{%d}", *av, base+i);
append_ref(nth_desc, sha1, 1);
}
}
else if (all_heads + all_remotes)
snarf_refs(all_heads, all_remotes);
else {
while (0 < ac) {
append_one_rev(*av);
ac--; av++;
}
}
head_p = resolve_ref("HEAD", head_sha1, 1, NULL);
if (head_p) {
head_len = strlen(head_p);
memcpy(head, head_p, head_len + 1);
}
else {
head_len = 0;
head[0] = 0;
}
if (with_current_branch && head_p) {
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,
head_len,
ref_name[i],
head_sha1, NULL))
has_head++;
}
if (!has_head) {
int offset = !prefixcmp(head, "refs/heads/") ? 11 : 0;
append_one_rev(head + offset);
}
}
if (!ref_name_cnt) {
fprintf(stderr, "No revs to be shown.\n");
exit(0);
}
for (num_rev = 0; ref_name[num_rev]; num_rev++) {
unsigned char revkey[20];
unsigned int flag = 1u << (num_rev + REV_SHIFT);
if (MAX_REVS <= num_rev)
die("cannot handle more than %d revs.", MAX_REVS);
if (get_sha1(ref_name[num_rev], revkey))
die("'%s' is not a valid ref.", ref_name[num_rev]);
commit = lookup_commit_reference(revkey);
if (!commit)
die("cannot find commit %s (%s)",
ref_name[num_rev], 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, ref_name, 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,
head_len,
ref_name[i],
head_sha1,
rev[i]->object.sha1);
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 % COLUMN_COLORS_MAX),
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, lifo);
/* 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_one_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 % COLUMN_COLORS_MAX),
mark, get_color_reset_code());
}
putchar(' ');
}
show_one_commit(commit, no_name);
if (shown_merge_point && --extra < 0)
break;
}
return 0;
}
static int find_common(struct fetch_negotiator *negotiator,
struct fetch_pack_args *args,
int fd[2], struct object_id *result_oid,
struct ref *refs)
{
int fetching;
int count = 0, flushes = 0, flush_at = INITIAL_FLUSH, retval;
const struct object_id *oid;
unsigned in_vain = 0;
int got_continue = 0;
int got_ready = 0;
struct strbuf req_buf = STRBUF_INIT;
size_t state_len = 0;
if (args->stateless_rpc && multi_ack == 1)
die(_("--stateless-rpc requires multi_ack_detailed"));
if (!args->no_dependents) {
mark_tips(negotiator, args->negotiation_tips);
for_each_cached_alternate(negotiator, insert_one_alternate_object);
}
fetching = 0;
for ( ; refs ; refs = refs->next) {
struct object_id *remote = &refs->old_oid;
const char *remote_hex;
struct object *o;
/*
* If that object is complete (i.e. it is an ancestor of a
* local ref), we tell them we have it but do not have to
* tell them about its ancestors, which they already know
* about.
*
* We use lookup_object here because we are only
* interested in the case we *know* the object is
* reachable and we have already scanned it.
*
* Do this only if args->no_dependents is false (if it is true,
* we cannot trust the object flags).
*/
if (!args->no_dependents &&
((o = lookup_object(the_repository, remote->hash)) != NULL) &&
(o->flags & COMPLETE)) {
continue;
}
remote_hex = oid_to_hex(remote);
if (!fetching) {
struct strbuf c = STRBUF_INIT;
if (multi_ack == 2) strbuf_addstr(&c, " multi_ack_detailed");
if (multi_ack == 1) strbuf_addstr(&c, " multi_ack");
if (no_done) strbuf_addstr(&c, " no-done");
if (use_sideband == 2) strbuf_addstr(&c, " side-band-64k");
if (use_sideband == 1) strbuf_addstr(&c, " side-band");
if (args->deepen_relative) strbuf_addstr(&c, " deepen-relative");
if (args->use_thin_pack) strbuf_addstr(&c, " thin-pack");
if (args->no_progress) strbuf_addstr(&c, " no-progress");
if (args->include_tag) strbuf_addstr(&c, " include-tag");
if (prefer_ofs_delta) strbuf_addstr(&c, " ofs-delta");
if (deepen_since_ok) strbuf_addstr(&c, " deepen-since");
if (deepen_not_ok) strbuf_addstr(&c, " deepen-not");
if (agent_supported) strbuf_addf(&c, " agent=%s",
git_user_agent_sanitized());
if (args->filter_options.choice)
strbuf_addstr(&c, " filter");
packet_buf_write(&req_buf, "want %s%s\n", remote_hex, c.buf);
strbuf_release(&c);
} else
packet_buf_write(&req_buf, "want %s\n", remote_hex);
fetching++;
}
if (!fetching) {
strbuf_release(&req_buf);
packet_flush(fd[1]);
return 1;
}
if (is_repository_shallow(the_repository))
write_shallow_commits(&req_buf, 1, NULL);
if (args->depth > 0)
packet_buf_write(&req_buf, "deepen %d", args->depth);
if (args->deepen_since) {
timestamp_t max_age = approxidate(args->deepen_since);
packet_buf_write(&req_buf, "deepen-since %"PRItime, max_age);
}
if (args->deepen_not) {
int i;
for (i = 0; i < args->deepen_not->nr; i++) {
struct string_list_item *s = args->deepen_not->items + i;
packet_buf_write(&req_buf, "deepen-not %s", s->string);
}
}
if (server_supports_filtering && args->filter_options.choice)
packet_buf_write(&req_buf, "filter %s",
args->filter_options.filter_spec);
packet_buf_flush(&req_buf);
state_len = req_buf.len;
if (args->deepen) {
char *line;
const char *arg;
struct object_id oid;
send_request(args, fd[1], &req_buf);
while ((line = packet_read_line(fd[0], NULL))) {
if (skip_prefix(line, "shallow ", &arg)) {
if (get_oid_hex(arg, &oid))
die(_("invalid shallow line: %s"), line);
register_shallow(the_repository, &oid);
continue;
}
if (skip_prefix(line, "unshallow ", &arg)) {
if (get_oid_hex(arg, &oid))
die(_("invalid unshallow line: %s"), line);
if (!lookup_object(the_repository, oid.hash))
die(_("object not found: %s"), line);
/* make sure that it is parsed as shallow */
if (!parse_object(the_repository, &oid))
die(_("error in object: %s"), line);
if (unregister_shallow(&oid))
die(_("no shallow found: %s"), line);
continue;
}
die(_("expected shallow/unshallow, got %s"), line);
}
} else if (!args->stateless_rpc)
send_request(args, fd[1], &req_buf);
if (!args->stateless_rpc) {
/* If we aren't using the stateless-rpc interface
* we don't need to retain the headers.
*/
strbuf_setlen(&req_buf, 0);
state_len = 0;
}
flushes = 0;
retval = -1;
if (args->no_dependents)
goto done;
while ((oid = negotiator->next(negotiator))) {
packet_buf_write(&req_buf, "have %s\n", oid_to_hex(oid));
print_verbose(args, "have %s", oid_to_hex(oid));
in_vain++;
if (flush_at <= ++count) {
int ack;
packet_buf_flush(&req_buf);
send_request(args, fd[1], &req_buf);
strbuf_setlen(&req_buf, state_len);
flushes++;
flush_at = next_flush(args->stateless_rpc, count);
/*
* We keep one window "ahead" of the other side, and
* will wait for an ACK only on the next one
*/
if (!args->stateless_rpc && count == INITIAL_FLUSH)
continue;
consume_shallow_list(args, fd[0]);
do {
ack = get_ack(fd[0], result_oid);
if (ack)
print_verbose(args, _("got %s %d %s"), "ack",
ack, oid_to_hex(result_oid));
switch (ack) {
case ACK:
flushes = 0;
multi_ack = 0;
retval = 0;
goto done;
case ACK_common:
case ACK_ready:
case ACK_continue: {
struct commit *commit =
lookup_commit(the_repository,
result_oid);
int was_common;
if (!commit)
die(_("invalid commit %s"), oid_to_hex(result_oid));
was_common = negotiator->ack(negotiator, commit);
if (args->stateless_rpc
&& ack == ACK_common
&& !was_common) {
/* We need to replay the have for this object
* on the next RPC request so the peer knows
* it is in common with us.
*/
const char *hex = oid_to_hex(result_oid);
packet_buf_write(&req_buf, "have %s\n", hex);
state_len = req_buf.len;
/*
* Reset in_vain because an ack
* for this commit has not been
* seen.
*/
in_vain = 0;
} else if (!args->stateless_rpc
|| ack != ACK_common)
in_vain = 0;
retval = 0;
got_continue = 1;
if (ack == ACK_ready)
got_ready = 1;
break;
}
}
} while (ack);
flushes--;
if (got_continue && MAX_IN_VAIN < in_vain) {
print_verbose(args, _("giving up"));
break; /* give up */
}
if (got_ready)
break;
}
}
done:
if (!got_ready || !no_done) {
packet_buf_write(&req_buf, "done\n");
send_request(args, fd[1], &req_buf);
}
print_verbose(args, _("done"));
if (retval != 0) {
multi_ack = 0;
flushes++;
}
strbuf_release(&req_buf);
if (!got_ready || !no_done)
consume_shallow_list(args, fd[0]);
while (flushes || multi_ack) {
int ack = get_ack(fd[0], result_oid);
if (ack) {
print_verbose(args, _("got %s (%d) %s"), "ack",
ack, oid_to_hex(result_oid));
if (ack == ACK)
return 0;
multi_ack = 1;
continue;
}
flushes--;
}
/* it is no error to fetch into a completely empty repo */
return count ? retval : 0;
}