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authorJunio C Hamano <gitster@pobox.com>2009-03-05 15:41:35 -0800
committerJunio C Hamano <gitster@pobox.com>2009-03-05 15:41:35 -0800
commit814742672f765e379f7809eab7650e8ad0a24c35 (patch)
tree0b39f14aa6deeb6a35a3effced48faaefb3813ef /builtin-branch.c
parent4a2caf691232ef9599ee3f1a1a04a47f309e65c1 (diff)
parent0afc304406196e4470fd2a628c3733e966068d98 (diff)
downloadgit-814742672f765e379f7809eab7650e8ad0a24c35.tar.gz
Merge branch 'js/branch-symref'
* js/branch-symref: add basic branch display tests branch: clean up repeated strlen Avoid segfault with 'git branch' when the HEAD is detached builtin-branch: improve output when displaying remote branches Conflicts: builtin-branch.c
Diffstat (limited to 'builtin-branch.c')
-rw-r--r--builtin-branch.c111
1 files changed, 79 insertions, 32 deletions
diff --git a/builtin-branch.c b/builtin-branch.c
index 60f70acd14..14d4b917e5 100644
--- a/builtin-branch.c
+++ b/builtin-branch.c
@@ -188,7 +188,8 @@ static int delete_branches(int argc, const char **argv, int force, int kinds)
struct ref_item {
char *name;
- unsigned int kind;
+ char *dest;
+ unsigned int kind, len;
struct commit *commit;
};
@@ -200,22 +201,47 @@ struct ref_list {
int kinds;
};
+static char *resolve_symref(const char *src, const char *prefix)
+{
+ unsigned char sha1[20];
+ int flag;
+ const char *dst, *cp;
+
+ dst = resolve_ref(src, sha1, 0, &flag);
+ if (!(dst && (flag & REF_ISSYMREF)))
+ return NULL;
+ if (prefix && (cp = skip_prefix(dst, prefix)))
+ dst = cp;
+ return xstrdup(dst);
+}
+
static int append_ref(const char *refname, const unsigned char *sha1, int flags, void *cb_data)
{
struct ref_list *ref_list = (struct ref_list*)(cb_data);
struct ref_item *newitem;
struct commit *commit;
- int kind;
- int len;
+ int kind, i;
+ const char *prefix, *orig_refname = refname;
+
+ static struct {
+ int kind;
+ const char *prefix;
+ int pfxlen;
+ } ref_kind[] = {
+ { REF_LOCAL_BRANCH, "refs/heads/", 11 },
+ { REF_REMOTE_BRANCH, "refs/remotes/", 13 },
+ };
/* Detect kind */
- if (!prefixcmp(refname, "refs/heads/")) {
- kind = REF_LOCAL_BRANCH;
- refname += 11;
- } else if (!prefixcmp(refname, "refs/remotes/")) {
- kind = REF_REMOTE_BRANCH;
- refname += 13;
- } else
+ for (i = 0; i < ARRAY_SIZE(ref_kind); i++) {
+ prefix = ref_kind[i].prefix;
+ if (strncmp(refname, prefix, ref_kind[i].pfxlen))
+ continue;
+ kind = ref_kind[i].kind;
+ refname += ref_kind[i].pfxlen;
+ break;
+ }
+ if (ARRAY_SIZE(ref_kind) <= i)
return 0;
commit = lookup_commit_reference_gently(sha1, 1);
@@ -246,9 +272,14 @@ static int append_ref(const char *refname, const unsigned char *sha1, int flags,
newitem->name = xstrdup(refname);
newitem->kind = kind;
newitem->commit = commit;
- len = strlen(newitem->name);
- if (len > ref_list->maxwidth)
- ref_list->maxwidth = len;
+ newitem->len = strlen(refname);
+ newitem->dest = resolve_symref(orig_refname, prefix);
+ /* adjust for "remotes/" */
+ if (newitem->kind == REF_REMOTE_BRANCH &&
+ ref_list->kinds != REF_REMOTE_BRANCH)
+ newitem->len += 8;
+ if (newitem->len > ref_list->maxwidth)
+ ref_list->maxwidth = newitem->len;
return 0;
}
@@ -257,8 +288,10 @@ static void free_ref_list(struct ref_list *ref_list)
{
int i;
- for (i = 0; i < ref_list->index; i++)
+ for (i = 0; i < ref_list->index; i++) {
free(ref_list->list[i].name);
+ free(ref_list->list[i].dest);
+ }
free(ref_list->list);
}
@@ -299,11 +332,12 @@ static int matches_merge_filter(struct commit *commit)
}
static void print_ref_item(struct ref_item *item, int maxwidth, int verbose,
- int abbrev, int current)
+ int abbrev, int current, char *prefix)
{
char c;
int color;
struct commit *commit = item->commit;
+ struct strbuf out = STRBUF_INIT, name = STRBUF_INIT;
if (!matches_merge_filter(commit))
return;
@@ -326,7 +360,18 @@ static void print_ref_item(struct ref_item *item, int maxwidth, int verbose,
color = BRANCH_COLOR_CURRENT;
}
- if (verbose) {
+ strbuf_addf(&name, "%s%s", prefix, item->name);
+ if (verbose)
+ strbuf_addf(&out, "%c %s%-*s%s", c, branch_get_color(color),
+ maxwidth, name.buf,
+ branch_get_color(BRANCH_COLOR_RESET));
+ else
+ strbuf_addf(&out, "%c %s%s%s", c, branch_get_color(color),
+ name.buf, branch_get_color(BRANCH_COLOR_RESET));
+
+ if (item->dest)
+ strbuf_addf(&out, " -> %s", item->dest);
+ else if (verbose) {
struct strbuf subject = STRBUF_INIT, stat = STRBUF_INIT;
const char *sub = " **** invalid ref ****";
@@ -340,28 +385,25 @@ static void print_ref_item(struct ref_item *item, int maxwidth, int verbose,
if (item->kind == REF_LOCAL_BRANCH)
fill_tracking_info(&stat, item->name);
- printf("%c %s%-*s%s %s %s%s\n", c, branch_get_color(color),
- maxwidth, item->name,
- branch_get_color(BRANCH_COLOR_RESET),
- find_unique_abbrev(item->commit->object.sha1, abbrev),
- stat.buf, sub);
+ strbuf_addf(&out, " %s %s%s",
+ find_unique_abbrev(item->commit->object.sha1, abbrev),
+ stat.buf, sub);
strbuf_release(&stat);
strbuf_release(&subject);
- } else {
- printf("%c %s%s%s\n", c, branch_get_color(color), item->name,
- branch_get_color(BRANCH_COLOR_RESET));
}
+ printf("%s\n", out.buf);
+ strbuf_release(&name);
+ strbuf_release(&out);
}
static int calc_maxwidth(struct ref_list *refs)
{
- int i, l, w = 0;
+ int i, w = 0;
for (i = 0; i < refs->index; i++) {
if (!matches_merge_filter(refs->list[i].commit))
continue;
- l = strlen(refs->list[i].name);
- if (l > w)
- w = l;
+ if (refs->list[i].len > w)
+ w = refs->list[i].len;
}
return w;
}
@@ -397,11 +439,13 @@ static void print_ref_list(int kinds, int detached, int verbose, int abbrev, str
is_descendant_of(head_commit, with_commit)) {
struct ref_item item;
item.name = xstrdup("(no branch)");
+ item.len = strlen(item.name);
item.kind = REF_LOCAL_BRANCH;
+ item.dest = NULL;
item.commit = head_commit;
- if (strlen(item.name) > ref_list.maxwidth)
- ref_list.maxwidth = strlen(item.name);
- print_ref_item(&item, ref_list.maxwidth, verbose, abbrev, 1);
+ if (item.len > ref_list.maxwidth)
+ ref_list.maxwidth = item.len;
+ print_ref_item(&item, ref_list.maxwidth, verbose, abbrev, 1, "");
free(item.name);
}
@@ -409,8 +453,11 @@ static void print_ref_list(int kinds, int detached, int verbose, int abbrev, str
int current = !detached &&
(ref_list.list[i].kind == REF_LOCAL_BRANCH) &&
!strcmp(ref_list.list[i].name, head);
+ char *prefix = (kinds != REF_REMOTE_BRANCH &&
+ ref_list.list[i].kind == REF_REMOTE_BRANCH)
+ ? "remotes/" : "";
print_ref_item(&ref_list.list[i], ref_list.maxwidth, verbose,
- abbrev, current);
+ abbrev, current, prefix);
}
free_ref_list(&ref_list);