push doc: correct lies about how push refspecs work

diff --git a/builtin/diff-tree.c b/builtin/diff-tree.c
index 1fd06eac4b9b56dc2f3e21ef3045ff66507cdaf3..473615117e0adbb301e6ddc0ab000accc513a9ee 100644 (file)
--- a/builtin/diff-tree.c
+++ b/builtin/diff-tree.c
@@ -1,4 +1,5 @@
 #include "cache.h"
+#include "config.h"
 #include "diff.h"
 #include "commit.h"
 #include "log-tree.h"
@@ -75,7 +76,7 @@ static int diff_tree_stdin(char *line)
        if (obj->type == OBJ_TREE)
                return stdin_diff_trees((struct tree *)obj, p);
        error("Object %s is a %s, not a commit or tree",
-             oid_to_hex(&oid), typename(obj->type));
+             oid_to_hex(&oid), type_name(obj->type));
        return -1;
 }
 
@@ -104,9 +105,13 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix)
        struct setup_revision_opt s_r_opt;
        int read_stdin = 0;
 
+       if (argc == 2 && !strcmp(argv[1], "-h"))
+               usage(diff_tree_usage);
+
        git_config(git_diff_basic_config, NULL); /* no "diff" UI options */
        init_revisions(opt, prefix);
-       gitmodules_config();
+       if (read_cache() < 0)
+               die(_("index file corrupt"));
        opt->abbrev = 0;
        opt->diff = 1;
        opt->disable_stdin = 1;