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branch: roll show_detached HEAD into regular ref_list

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Remove show_detached() and make detached HEAD to be rolled into
regular ref_list by adding REF_DETACHED_HEAD as a kind of branch and
supporting the same in append_ref(). This eliminates the need for an
extra function and helps in easier porting of branch.c to use
ref-filter APIs.

Before show_detached() used to check if the HEAD branch satisfies the
'--contains' option, now that is taken care by append_ref().

Based-on-patch-by: Jeff King <peff@peff.net>
Mentored-by: Christian Couder <christian.couder@gmail.com>
Mentored-by: Matthieu Moy <matthieu.moy@grenoble-inp.fr>
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Karthik Nayak 2015-09-23 23:41:08 +05:30 committed by Junio C Hamano
parent 2dad24a5c3
commit 23e714df91
1 changed files with 33 additions and 28 deletions
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61
builtin/branch.c
View file

@ -28,8 +28,9 @@ static const char * const builtin_branch_usage[] = {
NULL
};
#define REF_LOCAL_BRANCH 0x01
#define REF_REMOTE_BRANCH 0x02
#define REF_DETACHED_HEAD 0x01
#define REF_LOCAL_BRANCH 0x02
#define REF_REMOTE_BRANCH 0x04
static const char *head;
static unsigned char head_sha1[20];
@ -352,8 +353,12 @@ static int append_ref(const char *refname, const struct object_id *oid, int flag
break;
}
}
if (ARRAY_SIZE(ref_kind) <= i)
return 0;
if (ARRAY_SIZE(ref_kind) <= i) {
if (!strcmp(refname, "HEAD"))
kind = REF_DETACHED_HEAD;
else
return 0;
}
/* Don't add types the caller doesn't want */
if ((kind & ref_list->kinds) == 0)
@ -535,6 +540,8 @@ static void print_ref_item(struct ref_item *item, int maxwidth, int verbose,
int color;
struct strbuf out = STRBUF_INIT, name = STRBUF_INIT;
const char *prefix = "";
const char *desc = item->name;
char *to_free = NULL;
if (item->ignore)
return;
@ -547,6 +554,10 @@ static void print_ref_item(struct ref_item *item, int maxwidth, int verbose,
color = BRANCH_COLOR_REMOTE;
prefix = remote_prefix;
break;
case REF_DETACHED_HEAD:
color = BRANCH_COLOR_CURRENT;
desc = to_free = get_head_description();
break;
default:
color = BRANCH_COLOR_PLAIN;
break;
@ -558,7 +569,7 @@ static void print_ref_item(struct ref_item *item, int maxwidth, int verbose,
color = BRANCH_COLOR_CURRENT;
}
strbuf_addf(&name, "%s%s", prefix, item->name);
strbuf_addf(&name, "%s%s", prefix, desc);
if (verbose) {
int utf8_compensation = strlen(name.buf) - utf8_strwidth(name.buf);
strbuf_addf(&out, "%c %s%-*s%s", c, branch_get_color(color),
@ -581,6 +592,7 @@ static void print_ref_item(struct ref_item *item, int maxwidth, int verbose,
}
strbuf_release(&name);
strbuf_release(&out);
free(to_free);
}
static int calc_maxwidth(struct ref_list *refs, int remote_bonus)
@ -601,22 +613,6 @@ static int calc_maxwidth(struct ref_list *refs, int remote_bonus)
return max;
}
static void show_detached(struct ref_list *ref_list, int maxwidth)
{
struct commit *head_commit = lookup_commit_reference_gently(head_sha1, 1);
if (head_commit && is_descendant_of(head_commit, ref_list->with_commit)) {
struct ref_item item;
item.name = get_head_description();
item.kind = REF_LOCAL_BRANCH;
item.dest = NULL;
item.commit = head_commit;
item.ignore = 0;
print_ref_item(&item, maxwidth, ref_list->verbose, ref_list->abbrev, 1, "");
free(item.name);
}
}
static int print_ref_list(int kinds, int detached, int verbose, int abbrev, struct commit_list *with_commit, const char **pattern)
{
int i;
@ -643,7 +639,14 @@ static int print_ref_list(int kinds, int detached, int verbose, int abbrev, stru
cb.ref_list = &ref_list;
cb.pattern = pattern;
cb.ret = 0;
/*
* First we obtain all regular branch refs and if the HEAD is
* detached then we insert that ref to the end of the ref_fist
* so that it can be printed and removed first.
*/
for_each_rawref(append_ref, &cb);
if (detached)
head_ref(append_ref, &cb);
/*
* The following implementation is currently duplicated in ref-filter. It
* will eventually be removed when we port branch.c to use ref-filter APIs.
@ -681,14 +684,12 @@ static int print_ref_list(int kinds, int detached, int verbose, int abbrev, stru
qsort(ref_list.list, ref_list.index, sizeof(struct ref_item), ref_cmp);
detached = (detached && (kinds & REF_LOCAL_BRANCH));
if (detached && match_patterns(pattern, "HEAD"))
show_detached(&ref_list, maxwidth);
for (i = 0; i < ref_list.index; i++) {
int current = !detached &&
(ref_list.list[i].kind == REF_LOCAL_BRANCH) &&
int current = !detached && (ref_list.list[i].kind == REF_LOCAL_BRANCH) &&
!strcmp(ref_list.list[i].name, head);
/* If detached the first ref_item is the current ref */
if (detached && i == 0)
current = 1;
print_ref_item(&ref_list.list[i], maxwidth, verbose,
abbrev, current, remote_prefix);
}
@ -914,7 +915,11 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
die(_("branch name required"));
return delete_branches(argc, argv, delete > 1, kinds, quiet);
} else if (list) {
int ret = print_ref_list(kinds, detached, verbose, abbrev,
int ret;
/* git branch --local also shows HEAD when it is detached */
if (kinds & REF_LOCAL_BRANCH)
kinds |= REF_DETACHED_HEAD;
ret = print_ref_list(kinds, detached, verbose, abbrev,
with_commit, argv);
print_columns(&output, colopts, NULL);
string_list_clear(&output, 0);