git: replace strbuf_addstr with strbuf_addch for all strings of length 2

Adding the char directly instead of a string of length 2
is clearer and more efficient.

Signed-off-by: Seija Kijin <[email protected]>

Author: Seija Kijin

bisect.c

@@ -454,7 +454,7 @@ static int register_ref(const char *refname, const char *referent UNUSED, const
 {
 	struct strbuf good_prefix = STRBUF_INIT;
 	strbuf_addstr(&good_prefix, term_good);
-	strbuf_addstr(&good_prefix, "-");
+	strbuf_addch(&good_prefix, '-');
 
 	if (!strcmp(refname, term_bad)) {
 		free(current_bad_oid);

builtin/am.c

@@ -341,13 +341,11 @@ static void write_author_script(const struct am_state *state)
 
 	strbuf_addstr(&sb, "GIT_AUTHOR_NAME=");
 	sq_quote_buf(&sb, state->author_name);
-	strbuf_addch(&sb, '\n');
 
-	strbuf_addstr(&sb, "GIT_AUTHOR_EMAIL=");
+	strbuf_addstr(&sb, "\nGIT_AUTHOR_EMAIL=");
 	sq_quote_buf(&sb, state->author_email);
-	strbuf_addch(&sb, '\n');
 
-	strbuf_addstr(&sb, "GIT_AUTHOR_DATE=");
+	strbuf_addstr(&sb, "\nGIT_AUTHOR_DATE=");
 	sq_quote_buf(&sb, state->author_date);
 	strbuf_addch(&sb, '\n');
 

builtin/blame.c

@@ -148,11 +148,9 @@ static void get_ac_line(const char *inbuf, const char *what,
 
 	if (split_ident_line(&ident, tmp, len)) {
 	error_out:
-		/* Ugh */
-		tmp = "(unknown)";
-		strbuf_addstr(name, tmp);
-		strbuf_addstr(mail, tmp);
-		strbuf_addstr(tz, tmp);
+		strbuf_addstr(name, "(unknown)");
+		strbuf_addstr(mail, "(unknown)");
+		strbuf_addstr(tz, "(unknown)");
 		*time = 0;
 		return;
 	}

builtin/ls-tree.c

@@ -37,7 +37,7 @@ static void expand_objectsize(struct strbuf *line, const struct object_id *oid,
 	} else if (padded) {
 		strbuf_addf(line, "%7s", "-");
 	} else {
-		strbuf_addstr(line, "-");
+		strbuf_addch(line, '-');
 	}
 }
 

diff.c

@@ -1763,7 +1763,7 @@ static void add_line_count(struct strbuf *out, int count)
 		strbuf_addstr(out, "0,0");
 		break;
 	case 1:
-		strbuf_addstr(out, "1");
+		strbuf_addch(out, '1');
 		break;
 	default:
 		strbuf_addf(out, "1,%d", count);

log-tree.c

@@ -452,7 +452,7 @@ void fmt_output_subject(struct strbuf *filename,
 
 		strbuf_addf(&temp, "v%s", info->reroll_count);
 		format_sanitized_subject(filename, temp.buf, temp.len);
-		strbuf_addstr(filename, "-");
+		strbuf_addch(filename, '-');
 		strbuf_release(&temp);
 	}
 	strbuf_addf(filename, "%04d-%s", nr, subject);

path.c

@@ -982,7 +982,7 @@ const char *remove_leading_path(const char *in, const char *prefix)
 
 	strbuf_reset(&buf);
 	if (!in[j])
-		strbuf_addstr(&buf, ".");
+		strbuf_addch(&buf, '.');
 	else
 		strbuf_addstr(&buf, in + j);
 	return buf.buf;

protocol-caps.c

@@ -65,7 +65,7 @@ static void send_info(struct repository *r, struct packet_writer *writer,
 
 		if (info->size) {
 			if (oid_object_info(r, &oid, &object_size) < 0) {
-				strbuf_addstr(&send_buffer, " ");
+				strbuf_addch(&send_buffer, ' ');
 			} else {
 				strbuf_addf(&send_buffer, " %lu", object_size);
 			}

setup.c

@@ -1550,7 +1550,7 @@ static enum discovery_result setup_git_directory_gently_1(struct strbuf *dir,
 				return GIT_DIR_DISALLOWED_BARE;
 			if (!ensure_valid_ownership(NULL, NULL, dir->buf, report))
 				return GIT_DIR_INVALID_OWNERSHIP;
-			strbuf_addstr(gitdir, ".");
+			strbuf_addch(gitdir, '.');
 			return GIT_DIR_BARE;
 		}
 

trace2/tr2_tgt_normal.c

@@ -226,7 +226,7 @@ static void fn_child_start_fl(const char *file, int line,
 	if (cmd->dir) {
 		strbuf_addstr(&buf_payload, " cd ");
 		sq_quote_buf_pretty(&buf_payload, cmd->dir);
-		strbuf_addstr(&buf_payload, ";");
+		strbuf_addch(&buf_payload, ';');
 	}
 
 	/*