rerere: un-nest merge() further
By consistently using "upon failure, set 'ret' and jump to out" pattern, flatten the function further. Signed-off-by: Junio C Hamano <gitster@pobox.com>
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parent
1d51eced10
commit
15ed07d532
48
rerere.c
48
rerere.c
@ -580,6 +580,7 @@ int rerere_remaining(struct string_list *merge_rr)
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*/
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static int merge(const struct rerere_id *id, const char *path)
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{
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FILE *f;
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int ret;
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mmfile_t cur = {NULL, 0}, base = {NULL, 0}, other = {NULL, 0};
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mmbuffer_t result = {NULL, 0};
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@ -588,8 +589,10 @@ static int merge(const struct rerere_id *id, const char *path)
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* Normalize the conflicts in path and write it out to
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* "thisimage" temporary file.
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*/
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if (handle_file(path, NULL, rerere_path(id, "thisimage")) < 0)
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return 1;
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if (handle_file(path, NULL, rerere_path(id, "thisimage")) < 0) {
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ret = 1;
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goto out;
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}
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if (read_mmfile(&cur, rerere_path(id, "thisimage")) ||
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read_mmfile(&base, rerere_path(id, "preimage")) ||
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@ -603,29 +606,28 @@ static int merge(const struct rerere_id *id, const char *path)
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* low-level merge driver settings.
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*/
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ret = ll_merge(&result, path, &base, NULL, &cur, "", &other, "", NULL);
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if (!ret) {
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FILE *f;
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if (ret)
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goto out;
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/*
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* A successful replay of recorded resolution.
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* Mark that "postimage" was used to help gc.
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*/
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if (utime(rerere_path(id, "postimage"), NULL) < 0)
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warning("failed utime() on %s: %s",
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rerere_path(id, "postimage"),
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strerror(errno));
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/*
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* A successful replay of recorded resolution.
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* Mark that "postimage" was used to help gc.
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*/
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if (utime(rerere_path(id, "postimage"), NULL) < 0)
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warning("failed utime() on %s: %s",
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rerere_path(id, "postimage"),
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strerror(errno));
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/* Update "path" with the resolution */
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f = fopen(path, "w");
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if (!f)
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return error("Could not open %s: %s", path,
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strerror(errno));
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if (fwrite(result.ptr, result.size, 1, f) != 1)
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error("Could not write %s: %s", path, strerror(errno));
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if (fclose(f))
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return error("Writing %s failed: %s", path,
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strerror(errno));
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}
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/* Update "path" with the resolution */
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f = fopen(path, "w");
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if (!f)
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return error("Could not open %s: %s", path,
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strerror(errno));
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if (fwrite(result.ptr, result.size, 1, f) != 1)
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error("Could not write %s: %s", path, strerror(errno));
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if (fclose(f))
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return error("Writing %s failed: %s", path,
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strerror(errno));
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out:
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free(cur.ptr);
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