undef/git-commit-vandalism
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git branch: clean up detached branch handling

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Make the 'show detached branch info' a routine of its own.  And in the
process, avoid the object lookup that is unnecessary if the current
branch isn't detached.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Linus Torvalds 2009-07-23 12:13:48 -07:00 committed by Junio C Hamano
parent 191d1ac435
commit 7e9ff00bbe
1 changed files with 23 additions and 15 deletions
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38
builtin-branch.c
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@ -191,7 +191,7 @@ struct ref_item {
struct ref_list {
struct rev_info revs;
int index, alloc, maxwidth, verbose;
int index, alloc, maxwidth, verbose, abbrev;
struct ref_item *list;
struct commit_list *with_commit;
int kinds;
@ -418,15 +418,34 @@ static int calc_maxwidth(struct ref_list *refs)
return w;
}
static void show_detached(struct ref_list *ref_list)
{
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 = xstrdup("(no branch)");
item.len = strlen(item.name);
item.kind = REF_LOCAL_BRANCH;
item.dest = NULL;
item.commit = head_commit;
if (item.len > ref_list->maxwidth)
ref_list->maxwidth = item.len;
print_ref_item(&item, ref_list->maxwidth, ref_list->verbose, ref_list->abbrev, 1, "");
free(item.name);
}
}
static void print_ref_list(int kinds, int detached, int verbose, int abbrev, struct commit_list *with_commit)
{
int i;
struct ref_list ref_list;
struct commit *head_commit = lookup_commit_reference_gently(head_sha1, 1);
memset(&ref_list, 0, sizeof(ref_list));
ref_list.kinds = kinds;
ref_list.verbose = verbose;
ref_list.abbrev = abbrev;
ref_list.with_commit = with_commit;
if (merge_filter != NO_FILTER)
init_revisions(&ref_list.revs, NULL);
@ -446,19 +465,8 @@ static void print_ref_list(int kinds, int detached, int verbose, int abbrev, str
qsort(ref_list.list, ref_list.index, sizeof(struct ref_item), ref_cmp);
detached = (detached && (kinds & REF_LOCAL_BRANCH));
if (detached && head_commit &&
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 (item.len > ref_list.maxwidth)
ref_list.maxwidth = item.len;
print_ref_item(&item, ref_list.maxwidth, verbose, abbrev, 1, "");
free(item.name);
}
if (detached)
show_detached(&ref_list);
for (i = 0; i < ref_list.index; i++) {
int current = !detached &&