show-index: use gettext wrapping in user facing error messages

Multiple 'die()' calls in show-index.c use literal strings directly.

Wrap all user-facing 'die()' messages with '_()' so they can be translated
via gettext, this ensures better support for users.

Signed-off-by: Shreyansh Paliwal <shreyanshpaliwalcmsmn@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Author: shreyp135

builtin/show-index.c

@@ -55,31 +55,31 @@ int cmd_show_index(int argc,
 	hashsz = the_hash_algo->rawsz;
 
 	if (fread(top_index, 2 * 4, 1, stdin) != 1)
-		die("unable to read header");
+		die(_("unable to read header"));
 	if (top_index[0] == htonl(PACK_IDX_SIGNATURE)) {
 		version = ntohl(top_index[1]);
 		if (version < 2 || version > 2)
-			die("unknown index version");
+			die(_("unknown index version"));
 		if (fread(top_index, 256 * 4, 1, stdin) != 1)
-			die("unable to read index");
+			die(_("unable to read index"));
 	} else {
 		version = 1;
 		if (fread(&top_index[2], 254 * 4, 1, stdin) != 1)
-			die("unable to read index");
+			die(_("unable to read index"));
 	}
 	nr = 0;
 	for (i = 0; i < 256; i++) {
 		unsigned n = ntohl(top_index[i]);
 		if (n < nr)
-			die("corrupt index file");
+			die(_("corrupt index file"));
 		nr = n;
 	}
 	if (version == 1) {
 		for (i = 0; i < nr; i++) {
 			unsigned int offset, entry[(GIT_MAX_RAWSZ + 4) / sizeof(unsigned int)];
 
 			if (fread(entry, 4 + hashsz, 1, stdin) != 1)
-				die("unable to read entry %u/%u", i, nr);
+				die(_("unable to read entry %u/%u"), i, nr);
 			offset = ntohl(entry[0]);
 			printf("%u %s\n", offset, hash_to_hex((void *)(entry+1)));
 		}
@@ -93,15 +93,15 @@ int cmd_show_index(int argc,
 		ALLOC_ARRAY(entries, nr);
 		for (i = 0; i < nr; i++) {
 			if (fread(entries[i].oid.hash, hashsz, 1, stdin) != 1)
-				die("unable to read sha1 %u/%u", i, nr);
+				die(_("unable to read sha1 %u/%u"), i, nr);
 			entries[i].oid.algo = hash_algo_by_ptr(the_hash_algo);
 		}
 		for (i = 0; i < nr; i++)
 			if (fread(&entries[i].crc, 4, 1, stdin) != 1)
-				die("unable to read crc %u/%u", i, nr);
+				die(_("unable to read crc %u/%u"), i, nr);
 		for (i = 0; i < nr; i++)
 			if (fread(&entries[i].off, 4, 1, stdin) != 1)
-				die("unable to read 32b offset %u/%u", i, nr);
+				die(_("unable to read 32b offset %u/%u"), i, nr);
 		for (i = 0; i < nr; i++) {
 			uint64_t offset;
 			uint32_t off = ntohl(entries[i].off);
@@ -110,9 +110,9 @@ int cmd_show_index(int argc,
 			} else {
 				uint32_t off64[2];
 				if ((off & 0x7fffffff) != off64_nr)
-					die("inconsistent 64b offset index");
+					die(_("inconsistent 64b offset index"));
 				if (fread(off64, 8, 1, stdin) != 1)
-					die("unable to read 64b offset %u", off64_nr);
+					die(_("unable to read 64b offset %u"), off64_nr);
 				offset = (((uint64_t)ntohl(off64[0])) << 32) |
 						     ntohl(off64[1]);
 				off64_nr++;