mirror of
https://github.com/git/git
synced 2024-11-05 18:59:29 +00:00
47 lines
1 KiB
C
47 lines
1 KiB
C
|
/*
|
||
|
|
* Copyright (C) 2021, Google LLC.
|
||
|
|
* Based on diffcore-order.c, which is Copyright (C) 2005, Junio C Hamano
|
||
|
|
*/
|
||
|
|
#include "cache.h"
|
||
|
|
#include "diff.h"
|
||
|
|
#include "diffcore.h"
|
||
|
|
|
||
|
|
void diffcore_rotate(struct diff_options *opt)
|
||
|
|
{
|
||
|
|
struct diff_queue_struct *q = &diff_queued_diff;
|
||
|
|
struct diff_queue_struct outq;
|
||
|
|
int rotate_to, i;
|
||
|
|
|
||
|
|
if (!q->nr)
|
||
|
|
return;
|
||
|
|
|
||
|
|
for (i = 0; i < q->nr; i++) {
|
||
|
|
int cmp = strcmp(opt->rotate_to, q->queue[i]->two->path);
|
||
|
|
if (!cmp)
|
||
|
|
break; /* exact match */
|
||
|
|
if (!opt->rotate_to_strict && cmp < 0)
|
||
|
|
break; /* q->queue[i] is now past the target pathname */
|
||
|
|
}
|
||
|
|
|
||
|
|
if (q->nr <= i) {
|
||
|
|
/* we did not find the specified path */
|
||
|
|
if (opt->rotate_to_strict)
|
||
|
|
die(_("No such path '%s' in the diff"), opt->rotate_to);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
DIFF_QUEUE_CLEAR(&outq);
|
||
|
|
rotate_to = i;
|
||
|
|
|
||
|
|
for (i = rotate_to; i < q->nr; i++)
|
||
|
|
diff_q(&outq, q->queue[i]);
|
||
|
|
for (i = 0; i < rotate_to; i++) {
|
||
|
|
if (opt->skip_instead_of_rotate)
|
||
|
|
diff_free_filepair(q->queue[i]);
|
||
|
|
else
|
||
|
|
diff_q(&outq, q->queue[i]);
|
||
|
|
}
|
||
|
|
free(q->queue);
|
||
|
|
*q = outq;
|
||
|
|
}
|