rerere: lowercase error messages

Documentation/CodingGuidelines mentions that error messages should be
lowercase.  Prior to marking them for translation follow that pattern
in rerere as well, so translators won't have to translate messages
that don't conform to our guidelines.

Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

rerere.c

@@ -484,12 +484,12 @@ static int handle_file(const char *path, unsigned char *sha1, const char *output
 	io.input = fopen(path, "r");
 	io.io.wrerror = 0;
 	if (!io.input)
-		return error_errno("Could not open %s", path);
+		return error_errno("could not open %s", path);
 
 	if (output) {
 		io.io.output = fopen(output, "w");
 		if (!io.io.output) {
-			error_errno("Could not write %s", output);
+			error_errno("could not write %s", output);
 			fclose(io.input);
 			return -1;
 		}
@@ -499,15 +499,15 @@ static int handle_file(const char *path, unsigned char *sha1, const char *output
 
 	fclose(io.input);
 	if (io.io.wrerror)
-		error("There were errors while writing %s (%s)",
+		error("there were errors while writing %s (%s)",
 		      path, strerror(io.io.wrerror));
 	if (io.io.output && fclose(io.io.output))
-		io.io.wrerror = error_errno("Failed to flush %s", path);
+		io.io.wrerror = error_errno("failed to flush %s", path);
 
 	if (hunk_no < 0) {
 		if (output)
 			unlink_or_warn(output);
-		return error("Could not parse conflict hunks in %s", path);
+		return error("could not parse conflict hunks in %s", path);
 	}
 	if (io.io.wrerror)
 		return -1;
@@ -690,11 +690,11 @@ static int merge(const struct rerere_id *id, const char *path)
 	/* Update "path" with the resolution */
 	f = fopen(path, "w");
 	if (!f)
-		return error_errno("Could not open %s", path);
+		return error_errno("could not open %s", path);
 	if (fwrite(result.ptr, result.size, 1, f) != 1)
-		error_errno("Could not write %s", path);
+		error_errno("could not write %s", path);
 	if (fclose(f))
-		return error_errno("Writing %s failed", path);
+		return error_errno("writing %s failed", path);
 
 out:
 	free(cur.ptr);
@@ -720,7 +720,7 @@ static void update_paths(struct string_list *update)
 
 	if (write_locked_index(&the_index, &index_lock,
 			       COMMIT_LOCK | SKIP_IF_UNCHANGED))
-		die("Unable to write new index file");
+		die("unable to write new index file");
 }
 
 static void remove_variant(struct rerere_id *id)
@@ -878,7 +878,7 @@ static int is_rerere_enabled(void)
 		return rr_cache_exists;
 
 	if (!rr_cache_exists && mkdir_in_gitdir(git_path_rr_cache()))
-		die("Could not create directory %s", git_path_rr_cache());
+		die("could not create directory %s", git_path_rr_cache());
 	return 1;
 }
 
@@ -1031,7 +1031,7 @@ static int rerere_forget_one_path(const char *path, struct string_list *rr)
 	 */
 	ret = handle_cache(path, sha1, NULL);
 	if (ret < 1)
-		return error("Could not parse conflict hunks in '%s'", path);
+		return error("could not parse conflict hunks in '%s'", path);
 
 	/* Nuke the recorded resolution for the conflict */
 	id = new_rerere_id(sha1);
@@ -1049,7 +1049,7 @@ static int rerere_forget_one_path(const char *path, struct string_list *rr)
 		handle_cache(path, sha1, rerere_path(id, "thisimage"));
 		if (read_mmfile(&cur, rerere_path(id, "thisimage"))) {
 			free(cur.ptr);
-			error("Failed to update conflicted state in '%s'", path);
+			error("failed to update conflicted state in '%s'", path);
 			goto fail_exit;
 		}
 		cleanly_resolved = !try_merge(id, path, &cur, &result);