SHA_CTX ctx;
char buf[1024];
int hunk = 0, hunk_no = 0;
- struct strbuf minus, plus;
- struct strbuf *one = &minus, *two = +
+ struct strbuf one, two;
FILE *f = fopen(path, "r");
- FILE *out;
-
- strbuf_init(&minus, 0);
- strbuf_init(&plus, 0);
+ FILE *out = NULL;
if (!f)
return error("Could not open %s", path);
fclose(f);
return error("Could not write %s", output);
}
- } else
- out = NULL;
+ }
if (sha1)
SHA1_Init(&ctx);
+ strbuf_init(&one, 0);
+ strbuf_init(&two, 0);
while (fgets(buf, sizeof(buf), f)) {
if (!prefixcmp(buf, "<<<<<<< "))
hunk = 1;
else if (!prefixcmp(buf, "======="))
hunk = 2;
else if (!prefixcmp(buf, ">>>>>>> ")) {
- int one_is_longer = (one->len > two->len);
- int common_len = one_is_longer ? two->len : one->len;
- int cmp = memcmp(one->buf, two->buf, common_len);
+ int cmp = strbuf_cmp(&one, &two);
hunk_no++;
hunk = 0;
- if ((cmp > 0) || ((cmp == 0) && one_is_longer)) {
- struct strbuf *swap = one;
- one = two;
- two = swap;
+ if (cmp > 0) {
+ strbuf_swap(&one, &two);
}
if (out) {
fputs("<<<<<<<\n", out);
- fwrite(one->buf, one->len, 1, out);
+ fwrite(one.buf, one.len, 1, out);
fputs("=======\n", out);
- fwrite(two->buf, two->len, 1, out);
+ fwrite(two.buf, two.len, 1, out);
fputs(">>>>>>>\n", out);
}
if (sha1) {
- SHA1_Update(&ctx, one->buf, one->len);
- SHA1_Update(&ctx, "\0", 1);
- SHA1_Update(&ctx, two->buf, two->len);
- SHA1_Update(&ctx, "\0", 1);
+ SHA1_Update(&ctx, one.buf ? one.buf : "",
+ one.len + 1);
+ SHA1_Update(&ctx, two.buf ? two.buf : "",
+ two.len + 1);
}
- strbuf_release(one);
- strbuf_release(two);
+ strbuf_reset(&one);
+ strbuf_reset(&two);
} else if (hunk == 1)
- strbuf_addstr(one, buf);
+ strbuf_addstr(&one, buf);
else if (hunk == 2)
- strbuf_addstr(two, buf);
+ strbuf_addstr(&two, buf);
else if (out)
fputs(buf, out);
}
+ strbuf_release(&one);
+ strbuf_release(&two);
fclose(f);
if (out)
return 1;
}
-int cmd_rerere(int argc, const char **argv, const char *prefix)
+static int setup_rerere(struct path_list *merge_rr)
{
- struct path_list merge_rr = { NULL, 0, 0, 1 };
- int i, fd = -1;
+ int fd;
git_config(git_rerere_config);
if (!is_rerere_enabled())
- return 0;
+ return -1;
merge_rr_path = xstrdup(git_path("rr-cache/MERGE_RR"));
fd = hold_lock_file_for_update(&write_lock, merge_rr_path, 1);
- read_rr(&merge_rr);
+ read_rr(merge_rr);
+ return fd;
+}
+
+int rerere(void)
+{
+ struct path_list merge_rr = { NULL, 0, 0, 1 };
+ int fd;
+
+ fd = setup_rerere(&merge_rr);
+ if (fd < 0)
+ return 0;
+ return do_plain_rerere(&merge_rr, fd);
+}
+
+int cmd_rerere(int argc, const char **argv, const char *prefix)
+{
+ struct path_list merge_rr = { NULL, 0, 0, 1 };
+ int i, fd;
+
+ fd = setup_rerere(&merge_rr);
+ if (fd < 0)
+ return 0;
if (argc < 2)
return do_plain_rerere(&merge_rr, fd);