X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=git.c;h=905acc2f2cd591bd3bd65008f7a72a5642a21f35;hb=1293c95241531f7f17ddb58739c5c42da46fa78c;hp=37b1d76a08ca59f3de54e11890dce962403cf8d3;hpb=a0653d550524a0263d36fde6a8cf98941dd057ab;p=git.git

diff --git a/git.c b/git.c
index 37b1d76a0..905acc2f2 100644
--- a/git.c
+++ b/git.c
@@ -286,7 +286,7 @@ static void handle_internal_command(int argc, const char **argv)
 		{ "count-objects", cmd_count_objects, RUN_SETUP },
 		{ "describe", cmd_describe, RUN_SETUP },
 		{ "diff", cmd_diff },
-		{ "diff-files", cmd_diff_files, RUN_SETUP },
+		{ "diff-files", cmd_diff_files, RUN_SETUP | NEED_WORK_TREE },
 		{ "diff-index", cmd_diff_index, RUN_SETUP },
 		{ "diff-tree", cmd_diff_tree, RUN_SETUP },
 		{ "fast-export", cmd_fast_export, RUN_SETUP },
@@ -364,7 +364,7 @@ static void handle_internal_command(int argc, const char **argv)
 	if (sizeof(ext) > 1) {
 		i = strlen(argv[0]) - strlen(ext);
 		if (i > 0 && !strcmp(argv[0] + i, ext)) {
-			char *argv0 = strdup(argv[0]);
+			char *argv0 = xstrdup(argv[0]);
 			argv[0] = cmd = argv0;
 			argv0[i] = '\0';
 		}
@@ -499,7 +499,9 @@ int main(int argc, const char **argv)
 				cmd, argv[0]);
 			exit(1);
 		}
-		help_unknown_cmd(cmd);
+		argv[0] = help_unknown_cmd(cmd);
+		handle_internal_command(argc, argv);
+		execv_dashed_external(argv);
 	}
 
 	fprintf(stderr, "Failed to run command '%s': %s\n",