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-rw-r--r--builtin/show-branch.c58
1 files changed, 40 insertions, 18 deletions
diff --git a/builtin/show-branch.c b/builtin/show-branch.c
index 6c2148b71d..934e514944 100644
--- a/builtin/show-branch.c
+++ b/builtin/show-branch.c
@@ -7,6 +7,7 @@
#include "argv-array.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"
@@ -21,6 +22,11 @@ static int showbranch_use_color = -1;
static struct argv_array default_args = ARGV_ARRAY_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
@@ -59,15 +65,27 @@ struct commit_name {
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;
- if (!commit->util)
- commit->util = xmalloc(sizeof(struct commit_name));
- name = commit->util;
+
+ 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;
}
@@ -79,8 +97,8 @@ static void name_commit(struct commit *commit, const char *head_name, int nth)
*/
static void name_parent(struct commit *commit, struct commit *parent)
{
- struct commit_name *commit_name = commit->util;
- struct commit_name *parent_name = parent->util;
+ 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 ||
@@ -94,12 +112,12 @@ static int name_first_parent_chain(struct commit *c)
int i = 0;
while (c) {
struct commit *p;
- if (!c->util)
+ if (!commit_to_name(c))
break;
if (!c->parents)
break;
p = c->parents->item;
- if (!p->util) {
+ if (!commit_to_name(p)) {
name_parent(c, p);
i++;
}
@@ -122,7 +140,7 @@ static void name_commits(struct commit_list *list,
/* First give names to the given heads */
for (cl = list; cl; cl = cl->next) {
c = cl->item;
- if (c->util)
+ if (commit_to_name(c))
continue;
for (i = 0; i < num_rev; i++) {
if (rev[i] == c) {
@@ -148,9 +166,9 @@ static void name_commits(struct commit_list *list,
struct commit_name *n;
int nth;
c = cl->item;
- if (!c->util)
+ if (!commit_to_name(c))
continue;
- n = c->util;
+ n = commit_to_name(c);
parents = c->parents;
nth = 0;
while (parents) {
@@ -158,7 +176,7 @@ static void name_commits(struct commit_list *list,
struct strbuf newname = STRBUF_INIT;
parents = parents->next;
nth++;
- if (p->util)
+ if (commit_to_name(p))
continue;
switch (n->generation) {
case 0:
@@ -271,7 +289,7 @@ 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->util;
+ struct commit_name *name = commit_to_name(commit);
if (commit->object.parsed) {
pp_commit_easy(CMIT_FMT_ONELINE, commit, &pretty);
@@ -360,7 +378,8 @@ static void sort_ref_range(int bottom, int top)
static int append_ref(const char *refname, const struct object_id *oid,
int allow_dups)
{
- struct commit *commit = lookup_commit_reference_gently(oid, 1);
+ struct commit *commit = lookup_commit_reference_gently(the_repository,
+ oid, 1);
int i;
if (!commit)
@@ -393,7 +412,7 @@ static int append_head_ref(const char *refname, const struct object_id *oid,
/* If both heads/foo and tags/foo exists, get_sha1 would
* get confused.
*/
- if (get_oid(refname + ofs, &tmp) || oidcmp(&tmp, oid))
+ if (get_oid(refname + ofs, &tmp) || !oideq(&tmp, oid))
ofs = 5;
return append_ref(refname + ofs, oid, 0);
}
@@ -408,7 +427,7 @@ static int append_remote_ref(const char *refname, const struct object_id *oid,
/* If both heads/foo and tags/foo exists, get_sha1 would
* get confused.
*/
- if (get_oid(refname + ofs, &tmp) || oidcmp(&tmp, oid))
+ if (get_oid(refname + ofs, &tmp) || !oideq(&tmp, oid))
ofs = 5;
return append_ref(refname + ofs, oid, 0);
}
@@ -466,7 +485,7 @@ static void snarf_refs(int head, int remotes)
static int rev_is_head(const char *head, const char *name,
unsigned char *head_sha1, unsigned char *sha1)
{
- if (!head || (head_sha1 && sha1 && hashcmp(head_sha1, 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))
@@ -585,6 +604,7 @@ static int parse_reflog_param(const struct option *opt, const char *arg,
{
char *ep;
const char **base = (const char **)opt->value;
+ BUG_ON_OPT_NEG(unset);
if (!arg)
arg = "";
reflog = strtoul(arg, &ep, 10);
@@ -655,11 +675,13 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
{ 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_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 */
@@ -810,7 +832,7 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
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(&revkey);
+ commit = lookup_commit_reference(the_repository, &revkey);
if (!commit)
die(_("cannot find commit %s (%s)"),
ref_name[num_rev], oid_to_hex(&revkey));