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Diffstat (limited to 'builtin/show-branch.c')
-rw-r--r--builtin/show-branch.c109
1 files changed, 62 insertions, 47 deletions
diff --git a/builtin/show-branch.c b/builtin/show-branch.c
index d87317290c..344ae4ce2a 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[] = {
- N_("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>)...]"),
- N_("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
};
@@ -366,10 +369,10 @@ 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)
@@ -391,39 +394,42 @@ 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 (!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 (!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 (!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;
@@ -437,7 +443,8 @@ 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
@@ -453,21 +460,23 @@ static int append_matching_ref(const char *refname, const unsigned char *sha1, i
if (wildmatch(match_ref_pattern, tail, 0, NULL))
return 0;
if (starts_with(refname, "refs/heads/"))
- return append_head_ref(refname, sha1, flag, cb_data);
+ return append_head_ref(refname, oid, flag, cb_data);
if (starts_with(refname, "refs/tags/"))
- return append_tag_ref(refname, sha1, flag, cb_data);
- return append_ref(refname, sha1, 0);
+ 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);
}
@@ -527,14 +536,15 @@ 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);
@@ -563,7 +573,7 @@ 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;
@@ -633,7 +643,7 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
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;
@@ -715,19 +725,21 @@ 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;
@@ -738,7 +750,7 @@ 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 +761,19 @@ 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 +783,28 @@ 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, 1),
+ 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);
@@ -808,7 +823,7 @@ 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) {
@@ -823,17 +838,17 @@ 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 +882,7 @@ 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] ",
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-17 06:52:27 +0000