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-rw-r--r--builtin/show-branch.c233
1 files changed, 120 insertions, 113 deletions
diff --git a/builtin/show-branch.c b/builtin/show-branch.c
index a59e088cf5..ac5141df80 100644
--- a/builtin/show-branch.c
+++ b/builtin/show-branch.c
@@ -6,8 +6,11 @@
#include "parse-options.h"
static const char* show_branch_usage[] = {
- "git show-branch [-a|--all] [-r|--remotes] [--topo-order | --date-order] [--current] [--color[=<when>] | --no-color] [--sparse] [--more=<n> | --list | --independent | --merge-base] [--no-name | --sha1-name] [--topics] [(<rev> | <glob>)...]",
- "git show-branch (-g|--reflog)[=<n>[,<base>]] [--list] [<ref>]",
+ 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
};
@@ -50,17 +53,6 @@ static struct commit *interesting(struct commit_list *list)
return NULL;
}
-static struct commit *pop_one_commit(struct commit_list **list_p)
-{
- struct commit *commit;
- struct commit_list *list;
- list = *list_p;
- commit = list->item;
- *list_p = list->next;
- free(list);
- return commit;
-}
-
struct commit_name {
const char *head_name; /* which head's ancestor? */
int generation; /* how many parents away from head_name */
@@ -162,29 +154,28 @@ static void name_commits(struct commit_list *list,
nth = 0;
while (parents) {
struct commit *p = parents->item;
- char newname[1000], *en;
+ struct strbuf newname = STRBUF_INIT;
parents = parents->next;
nth++;
if (p->util)
continue;
- en = newname;
switch (n->generation) {
case 0:
- en += sprintf(en, "%s", n->head_name);
+ strbuf_addstr(&newname, n->head_name);
break;
case 1:
- en += sprintf(en, "%s^", n->head_name);
+ strbuf_addf(&newname, "%s^", n->head_name);
break;
default:
- en += sprintf(en, "%s~%d",
- n->head_name, n->generation);
+ strbuf_addf(&newname, "%s~%d",
+ n->head_name, n->generation);
break;
}
if (nth == 1)
- en += sprintf(en, "^");
+ strbuf_addch(&newname, '^');
else
- en += sprintf(en, "^%d", nth);
- name_commit(p, xstrdup(newname), 0);
+ strbuf_addf(&newname, "^%d", nth);
+ name_commit(p, strbuf_detach(&newname, NULL), 0);
i++;
name_first_parent_chain(p);
}
@@ -211,7 +202,7 @@ static void join_revs(struct commit_list **list_p,
while (*list_p) {
struct commit_list *parents;
int still_interesting = !!interesting(*list_p);
- struct commit *commit = pop_one_commit(list_p);
+ struct commit *commit = pop_commit(list_p);
int flags = commit->object.flags & all_mask;
if (!still_interesting && extra <= 0)
@@ -228,8 +219,7 @@ static void join_revs(struct commit_list **list_p,
parents = parents->next;
if ((this_flag & flags) == flags)
continue;
- if (!p->object.parsed)
- parse_commit(p);
+ parse_commit(p);
if (mark_seen(p, seen_p) && !still_interesting)
extra--;
p->object.flags |= flags;
@@ -286,7 +276,7 @@ static void show_one_commit(struct commit *commit, int no_name)
pp_commit_easy(CMIT_FMT_ONELINE, commit, &pretty);
pretty_str = pretty.buf;
}
- if (!prefixcmp(pretty_str, "[PATCH] "))
+ if (starts_with(pretty_str, "[PATCH] "))
pretty_str += 8;
if (!no_name) {
@@ -368,10 +358,10 @@ static void sort_ref_range(int bottom, int top)
compare_ref_name);
}
-static int append_ref(const char *refname, const unsigned char *sha1,
+static int append_ref(const char *refname, const struct object_id *oid,
int allow_dups)
{
- struct commit *commit = lookup_commit_reference_gently(sha1, 1);
+ struct commit *commit = lookup_commit_reference_gently(oid->hash, 1);
int i;
if (!commit)
@@ -393,39 +383,42 @@ static int append_ref(const char *refname, const unsigned char *sha1,
return 0;
}
-static int append_head_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
+static int append_head_ref(const char *refname, const struct object_id *oid,
+ int flag, void *cb_data)
{
- unsigned char tmp[20];
+ struct object_id tmp;
int ofs = 11;
- if (prefixcmp(refname, "refs/heads/"))
+ if (!starts_with(refname, "refs/heads/"))
return 0;
/* If both heads/foo and tags/foo exists, get_sha1 would
* get confused.
*/
- if (get_sha1(refname + ofs, tmp) || hashcmp(tmp, sha1))
+ if (get_sha1(refname + ofs, tmp.hash) || oidcmp(&tmp, oid))
ofs = 5;
- return append_ref(refname + ofs, sha1, 0);
+ return append_ref(refname + ofs, oid, 0);
}
-static int append_remote_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
+static int append_remote_ref(const char *refname, const struct object_id *oid,
+ int flag, void *cb_data)
{
- unsigned char tmp[20];
+ struct object_id tmp;
int ofs = 13;
- if (prefixcmp(refname, "refs/remotes/"))
+ if (!starts_with(refname, "refs/remotes/"))
return 0;
/* If both heads/foo and tags/foo exists, get_sha1 would
* get confused.
*/
- if (get_sha1(refname + ofs, tmp) || hashcmp(tmp, sha1))
+ if (get_sha1(refname + ofs, tmp.hash) || oidcmp(&tmp, oid))
ofs = 5;
- return append_ref(refname + ofs, sha1, 0);
+ return append_ref(refname + ofs, oid, 0);
}
-static int append_tag_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
+static int append_tag_ref(const char *refname, const struct object_id *oid,
+ int flag, void *cb_data)
{
- if (prefixcmp(refname, "refs/tags/"))
+ if (!starts_with(refname, "refs/tags/"))
return 0;
- return append_ref(refname + 5, sha1, 0);
+ return append_ref(refname + 5, oid, 0);
}
static const char *match_ref_pattern = NULL;
@@ -439,7 +432,8 @@ static int count_slash(const char *s)
return cnt;
}
-static int append_matching_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
+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
@@ -452,24 +446,26 @@ static int append_matching_ref(const char *refname, const unsigned char *sha1, i
slash--;
if (!*tail)
return 0;
- if (fnmatch(match_ref_pattern, tail, 0))
+ if (wildmatch(match_ref_pattern, tail, 0, NULL))
return 0;
- if (!prefixcmp(refname, "refs/heads/"))
- return append_head_ref(refname, sha1, flag, cb_data);
- if (!prefixcmp(refname, "refs/tags/"))
- return append_tag_ref(refname, sha1, flag, cb_data);
- return append_ref(refname, sha1, 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);
}
@@ -481,11 +477,11 @@ static int rev_is_head(char *head, int headlen, char *name,
if ((!head[0]) ||
(head_sha1 && sha1 && hashcmp(head_sha1, sha1)))
return 0;
- if (!prefixcmp(head, "refs/heads/"))
+ if (starts_with(head, "refs/heads/"))
head += 11;
- if (!prefixcmp(name, "refs/heads/"))
+ if (starts_with(name, "refs/heads/"))
name += 11;
- else if (!prefixcmp(name, "heads/"))
+ else if (starts_with(name, "heads/"))
name += 6;
return !strcmp(head, name);
}
@@ -497,7 +493,7 @@ static int show_merge_base(struct commit_list *seen, int num_rev)
int exit_status = 1;
while (seen) {
- struct commit *commit = pop_one_commit(&seen);
+ struct commit *commit = pop_commit(&seen);
int flags = commit->object.flags & all_mask;
if (!(flags & UNINTERESTING) &&
((flags & all_revs) == all_revs)) {
@@ -529,14 +525,15 @@ static int show_independent(struct commit **rev,
static void append_one_rev(const char *av)
{
- unsigned char revkey[20];
- if (!get_sha1(av, revkey)) {
- append_ref(av, revkey, 0);
+ struct object_id revkey;
+ if (!get_sha1(av, revkey.hash)) {
+ append_ref(av, &revkey, 0);
return;
}
if (strchr(av, '*') || strchr(av, '?') || strchr(av, '[')) {
/* glob style match */
int saved_matches = ref_name_cnt;
+
match_ref_pattern = av;
match_ref_slash = count_slash(av);
for_each_ref(append_matching_ref, NULL);
@@ -565,7 +562,7 @@ static int git_show_branch_config(const char *var, const char *value, void *cb)
default_arg[default_num++] = "show-branch";
} else if (default_alloc <= default_num + 1) {
default_alloc = default_alloc * 3 / 2 + 20;
- default_arg = xrealloc(default_arg, sizeof *default_arg * default_alloc);
+ REALLOC_ARRAY(default_arg, default_alloc);
}
default_arg[default_num++] = xstrdup(value);
default_arg[default_num] = NULL;
@@ -631,11 +628,11 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
int num_rev, i, extra = 0;
int all_heads = 0, all_remotes = 0;
int all_mask, all_revs;
- int lifo = 1;
+ enum rev_sort_order sort_order = REV_SORT_IN_GRAPH_ORDER;
char head[128];
const char *head_p;
int head_len;
- unsigned char head_sha1[20];
+ struct object_id head_oid;
int merge_base = 0;
int independent = 0;
int no_name = 0;
@@ -647,37 +644,39 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
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_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,
- "color '*!+-' corresponding to the branch"),
- { OPTION_INTEGER, 0, "more", &extra, "n",
- "show <n> more commits after the common ancestor",
+ 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, "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, "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,
- "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",
+ 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),
+ { OPTION_CALLBACK, 'g', "reflog", &reflog_base, N_("<n>[,<base>]"),
+ N_("show <n> most recent ref-log entries starting at "
+ "base"),
PARSE_OPT_OPTARG | PARSE_OPT_LITERAL_ARGHELP,
parse_reflog_param },
OPT_END()
@@ -715,22 +714,26 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
}
/* If nothing is specified, show all branches by default */
- if (ac + all_heads + all_remotes == 0)
+ if (ac <= topics && all_heads + all_remotes == 0)
all_heads = 1;
if (reflog) {
- unsigned char sha1[20];
- char nth_desc[256];
+ 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", sha1, 1, NULL);
+ fake_av[0] = resolve_refdup("HEAD",
+ RESOLVE_REF_READING,
+ oid.hash, 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");
@@ -738,7 +741,7 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
if (MAX_REVS < reflog)
die("Only %d entries can be shown at one time.",
MAX_REVS);
- if (!dwim_ref(*av, strlen(*av), sha1, &ref))
+ if (!dwim_ref(*av, strlen(*av), oid.hash, &ref))
die("No such ref %s", *av);
/* Has the base been specified? */
@@ -749,18 +752,19 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
/* Ah, that is a date spec... */
unsigned long at;
at = approxidate(reflog_base);
- read_ref_at(ref, at, -1, sha1, NULL,
+ read_ref_at(ref, flags, at, -1, oid.hash, NULL,
NULL, NULL, &base);
}
}
for (i = 0; i < reflog; i++) {
- char *logmsg, *m;
+ char *logmsg;
+ char *nth_desc;
const char *msg;
unsigned long timestamp;
int tz;
- if (read_ref_at(ref, 0, base+i, sha1, &logmsg,
+ if (read_ref_at(ref, flags, 0, base+i, oid.hash, &logmsg,
&timestamp, &tz, NULL)) {
reflog = i;
break;
@@ -770,26 +774,29 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
msg = "(none)";
else
msg++;
- m = xmalloc(strlen(msg) + 200);
- sprintf(m, "(%s) %s",
- show_date(timestamp, tz, 1),
- msg);
- reflog_msg[i] = m;
+ reflog_msg[i] = xstrfmt("(%s) %s",
+ show_date(timestamp, tz,
+ DATE_MODE(RELATIVE)),
+ msg);
free(logmsg);
- sprintf(nth_desc, "%s@{%d}", *av, base+i);
- append_ref(nth_desc, sha1, 1);
+
+ nth_desc = xstrfmt("%s@{%d}", *av, base+i);
+ append_ref(nth_desc, &oid, 1);
+ free(nth_desc);
}
+ free(ref);
}
- else if (all_heads + all_remotes)
- snarf_refs(all_heads, all_remotes);
else {
while (0 < ac) {
append_one_rev(*av);
ac--; av++;
}
+ if (all_heads + all_remotes)
+ snarf_refs(all_heads, all_remotes);
}
- head_p = resolve_ref_unsafe("HEAD", head_sha1, 1, NULL);
+ head_p = resolve_ref_unsafe("HEAD", RESOLVE_REF_READING,
+ head_oid.hash, NULL);
if (head_p) {
head_len = strlen(head_p);
memcpy(head, head_p, head_len + 1);
@@ -808,11 +815,11 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
if (rev_is_head(head,
head_len,
ref_name[i],
- head_sha1, NULL))
+ head_oid.hash, NULL))
has_head++;
}
if (!has_head) {
- int offset = !prefixcmp(head, "refs/heads/") ? 11 : 0;
+ int offset = starts_with(head, "refs/heads/") ? 11 : 0;
append_one_rev(head + offset);
}
}
@@ -823,17 +830,17 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
}
for (num_rev = 0; ref_name[num_rev]; num_rev++) {
- unsigned char revkey[20];
+ struct object_id revkey;
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))
+ if (get_sha1(ref_name[num_rev], revkey.hash))
die("'%s' is not a valid ref.", ref_name[num_rev]);
- commit = lookup_commit_reference(revkey);
+ commit = lookup_commit_reference(revkey.hash);
if (!commit)
die("cannot find commit %s (%s)",
- ref_name[num_rev], revkey);
+ ref_name[num_rev], oid_to_hex(&revkey));
parse_commit(commit);
mark_seen(commit, &seen);
@@ -867,7 +874,7 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
int is_head = rev_is_head(head,
head_len,
ref_name[i],
- head_sha1,
+ head_oid.hash,
rev[i]->object.sha1);
if (extra < 0)
printf("%c [%s] ",
@@ -901,7 +908,7 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
exit(0);
/* Sort topologically */
- sort_in_topological_order(&seen, lifo);
+ sort_in_topological_order(&seen, sort_order);
/* Give names to commits */
if (!sha1_name && !no_name)
@@ -911,7 +918,7 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
all_revs = all_mask & ~((1u << REV_SHIFT) - 1);
while (seen) {
- struct commit *commit = pop_one_commit(&seen);
+ struct commit *commit = pop_commit(&seen);
int this_flag = commit->object.flags;
int is_merge_point = ((this_flag & all_revs) == all_revs);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-19 21:00:34 +0000