"Avery Pennarun" <apenwarr@xxxxxxxxx> writes:
> $ git rev-list --first-parent --bisect 5109c91 ^d798a2bfe094
> Segmentation fault
Totally untested, usefulness fairly unknown.
builtin-rev-list.c | 18 ++++++++++++++----
1 files changed, 14 insertions(+), 4 deletions(-)
diff --git c/builtin-rev-list.c w/builtin-rev-list.c
index 893762c..aab198f 100644
--- c/builtin-rev-list.c
+++ w/builtin-rev-list.c
@@ -530,19 +530,23 @@ static struct commit_list *do_find_bisection(struct commit_list *list,
return best_bisection_sorted(list, nr);
}
+#define BISECT_FIND_ALL 01
+#define BISECT_FIRST_PARENT_ONLY 02
static struct commit_list *find_bisection(struct commit_list *list,
int *reaches, int *all,
- int find_all)
+ int flag)
{
int nr, on_list;
struct commit_list *p, *best, *next, *last;
int *weights;
+ int find_all = flag & BISECT_FIND_ALL;
+ int first_parent_only = flag & BISECT_FIRST_PARENT_ONLY;
show_list("bisection 2 entry", 0, 0, list);
/*
* Count the number of total and tree-changing items on the
- * list, while reversing the list.
+ * list, while reversing the list and removing.
*/
for (nr = on_list = 0, last = NULL, p = list;
p;
@@ -557,6 +561,8 @@ static struct commit_list *find_bisection(struct commit_list *list,
if (!(flags & TREESAME))
nr++;
on_list++;
+ if (first_parent_only && p->item->parents)
+ p->item->parents->next = NULL;
}
list = last;
show_list("bisection 2 sorted", 0, nr, list);
@@ -656,9 +662,13 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix)
if (bisect_list) {
int reaches = reaches, all = all;
+ int flag = 0;
+ if (bisect_find_all)
+ flag |= BISECT_FIND_ALL;
+ if (revs.first_parent_only)
+ flag |= BISECT_FIRST_PARENT_ONLY;
+ revs.commits = find_bisection(revs.commits, &reaches, &all, flag);
- revs.commits = find_bisection(revs.commits, &reaches, &all,
- bisect_find_all);
if (bisect_show_vars) {
int cnt;
char hex[41];
--
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