provide a nice @{...} syntax to always mean the current branch reflog

diff --git a/builtin-rerere.c b/builtin-rerere.c
index 7442498deedfef1f6be9e550f3c0259aaa82e0ba..318d959d89669f09e12b1b97ca62f100e1a58ecd 100644 (file)
--- a/builtin-rerere.c
+++ b/builtin-rerere.c
@@ -51,9 +51,11 @@ static int write_rr(struct path_list *rr, int out_fd)
        int i;
        for (i = 0; i < rr->nr; i++) {
                const char *path = rr->items[i].path;
-               write(out_fd, rr->items[i].util, 40);
-               write(out_fd, "\t", 1);
-               write(out_fd, path, strlen(path) + 1);
+               int length = strlen(path) + 1;
+               if (write_in_full(out_fd, rr->items[i].util, 40) != 40 ||
+                   write_in_full(out_fd, "\t", 1) != 1 ||
+                   write_in_full(out_fd, path, length) != length)
+                       die("unable to write rerere record");
        }
        close(out_fd);
        return commit_lock_file(&write_lock);
@@ -244,7 +246,8 @@ static int outf(void *dummy, mmbuffer_t *ptr, int nbuf)
 {
        int i;
        for (i = 0; i < nbuf; i++)
-               write(1, ptr[i].ptr, ptr[i].size);
+               if (write_in_full(1, ptr[i].ptr, ptr[i].size) != ptr[i].size)
+                       return -1;
        return 0;
 }
 
@@ -350,11 +353,10 @@ static int do_plain_rerere(struct path_list *rr, int fd)
                fprintf(stderr, "Recorded resolution for '%s'.\n", path);
                copy_file(path, rr_path(name, "postimage"));
 tail_optimization:
-               if (i < rr->nr - 1) {
+               if (i < rr->nr - 1)
                        memmove(rr->items + i,
-                                       rr->items + i + 1,
-                                       rr->nr - i - 1);
-               }
+                               rr->items + i + 1,
+                               sizeof(rr->items[0]) * (rr->nr - i - 1));
                rr->nr--;
                i--;
        }