Doc: refer to the "commit-graph file" with dash

diff --git a/builtin/read-tree.c b/builtin/read-tree.c
index 3a7fd6394ea406a4091362a7a03281378e887cc6..fbbc98e5161f011a25743a528e6bb3f85e415f51 100644 (file)
--- a/builtin/read-tree.c
+++ b/builtin/read-tree.c
@@ -107,8 +107,6 @@ static int git_read_tree_config(const char *var, const char *value, void *cb)
        return git_default_config(var, value, cb);
 }
 
-static struct lock_file lock_file;
-
 int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
 {
        int i, stage = 0;
@@ -116,6 +114,7 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
        struct tree_desc t[MAX_UNPACK_TREES];
        struct unpack_trees_options opts;
        int prefix_set = 0;
+       struct lock_file lock_file = LOCK_INIT;
        const struct option read_tree_options[] = {
                { OPTION_CALLBACK, 0, "index-output", NULL, N_("file"),
                  N_("write resulting index to <file>"),