remote: align --verbose output with spaces

Remote names exceeding a tab width could cause misalignment.
Align --verbose output with spaces instead of a tab.

Signed-off-by: Wang Bing-hua <louiswpf@gmail.com>

Author: louiswpf

builtin/remote.c

@@ -16,6 +16,7 @@
 #include "strvec.h"
 #include "commit-reach.h"
 #include "progress.h"
+#include "utf8.h"
 
 static const char * const builtin_remote_usage[] = {
 	"git remote [-v | --verbose]",
@@ -1279,6 +1280,20 @@ static int get_one_entry(struct remote *remote, void *priv)
 	return 0;
 }
 
+static int calc_maxwidth(struct string_list *list)
+{
+	int max = 0;
+	struct string_list_item *item;
+
+	for_each_string_list_item (item, list) {
+		int w = utf8_strwidth(item->string);
+
+		if (w > max)
+			max = w;
+	}
+	return max;
+}
+
 static int show_all(void)
 {
 	struct string_list list = STRING_LIST_INIT_DUP;
@@ -1287,16 +1302,25 @@ static int show_all(void)
 	result = for_each_remote(get_one_entry, &list);
 
 	if (!result) {
-		int i;
+		int maxwidth = 0;
+		struct string_list_item *item;
 
+		if (verbose)
+			maxwidth = calc_maxwidth(&list);
 		string_list_sort(&list);
-		for (i = 0; i < list.nr; i++) {
-			struct string_list_item *item = list.items + i;
-			if (verbose)
-				printf("%s\t%s\n", item->string,
-					item->util ? (const char *)item->util : "");
-			else {
-				if (i && !strcmp((item - 1)->string, item->string))
+		for_each_string_list_item (item, &list) {
+			if (verbose) {
+				struct strbuf s = STRBUF_INIT;
+
+				strbuf_utf8_align(&s, ALIGN_LEFT, maxwidth + 1,
+						  item->string);
+				if (item->util)
+					strbuf_addstr(&s, item->util);
+				printf("%s\n", s.buf);
+				strbuf_release(&s);
+			} else {
+				if (item != list.items &&
+				    !strcmp((item - 1)->string, item->string))
 					continue;
 				printf("%s\n", item->string);
 			}

t/t5505-remote.sh

@@ -249,8 +249,8 @@ test_expect_success 'without subcommand' '
 
 test_expect_success 'without subcommand accepts -v' '
 	cat >expect <<-EOF &&
-	origin	$(pwd)/one (fetch)
-	origin	$(pwd)/one (push)
+	origin $(pwd)/one (fetch)
+	origin $(pwd)/one (push)
 	EOF
 	git -C test remote -v >actual &&
 	test_cmp expect actual