Merge branch 'jn/fsck-ident'

[git.git] / diff-no-index.c

diff --git a/diff-no-index.c b/diff-no-index.c
index 7273a7a0b648cc8cbd6dce2043a6e544b87d28b6..4cd9dacbe8e98d1420ebe1a217b0f927d24d125a 100644 (file)
--- a/diff-no-index.c
+++ b/diff-no-index.c
@@ -38,6 +38,10 @@ static int get_mode(const char *path, int *mode)
 
        if (!path || !strcmp(path, "/dev/null"))
                *mode = 0;
+#ifdef _WIN32
+       else if (!strcasecmp(path, "nul"))
+               *mode = 0;
+#endif
        else if (!strcmp(path, "-"))
                *mode = create_ce_mode(0666);
        else if (lstat(path, &st))
@@ -146,16 +150,14 @@ static int queue_diff(struct diff_options *o,
 
 static int path_outside_repo(const char *path)
 {
-       /*
-        * We have already done setup_git_directory_gently() so we
-        * know we are inside a git work tree already.
-        */
        const char *work_tree;
        size_t len;
 
        if (!is_absolute_path(path))
                return 0;
        work_tree = get_git_work_tree();
+       if (!work_tree)
+               return 1;
        len = strlen(work_tree);
        if (strncmp(path, work_tree, len) ||
            (path[len] != '\0' && path[len] != '/'))
@@ -197,8 +199,8 @@ void diff_no_index(struct rev_info *revs,
                        return;
        }
        if (argc != i + 2)
-               die("git diff %s takes two paths",
-                   no_index ? "--no-index" : "[--no-index]");
+               usagef("git diff %s <path> <path>",
+                      no_index ? "--no-index" : "[--no-index]");
 
        diff_setup(&revs->diffopt);
        for (i = 1; i < argc - 2; ) {
@@ -229,7 +231,7 @@ void diff_no_index(struct rev_info *revs,
        if (prefix) {
                int len = strlen(prefix);
 
-               revs->diffopt.paths = xcalloc(2, sizeof(char*));
+               revs->diffopt.paths = xcalloc(2, sizeof(char *));
                for (i = 0; i < 2; i++) {
                        const char *p = argv[argc - 2 + i];
                        /*