help: check early if we have a command, if not try a documentation topic

diff --git a/builtin-cat-file.c b/builtin-cat-file.c
index 200345e7fbd54d86fb1e4db228244b7a7a221562..bd343efae7d6cc6fddef4df5c3433b97bd640d3c 100644 (file)
--- a/builtin-cat-file.c
+++ b/builtin-cat-file.c
@@ -150,7 +150,7 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name)
 static int batch_one_object(const char *obj_name, int print_contents)
 {
        unsigned char sha1[20];
-       enum object_type type;
+       enum object_type type = 0;
        unsigned long size;
        void *contents = contents;
 
@@ -159,6 +159,7 @@ static int batch_one_object(const char *obj_name, int print_contents)
 
        if (get_sha1(obj_name, sha1)) {
                printf("%s missing\n", obj_name);
+               fflush(stdout);
                return 0;
        }
 
@@ -167,8 +168,11 @@ static int batch_one_object(const char *obj_name, int print_contents)
        else
                type = sha1_object_info(sha1, &size);
 
-       if (type <= 0)
-               return 1;
+       if (type <= 0) {
+               printf("%s missing\n", obj_name);
+               fflush(stdout);
+               return 0;
+       }
 
        printf("%s %s %lu\n", sha1_to_hex(sha1), typename(type), size);
        fflush(stdout);