worktree: remove special case GVFS cmd blocking

Replace the special casing of the `worktree` command being blocked on
VFS-enabled repos with the new `BLOCK_ON_VFS_ENABLED` flag.

Signed-off-by: Matthew John Cheetham <mjcheetham@outlook.com>

Author: mjcheetham

builtin/worktree.c

@@ -1451,13 +1451,6 @@ int cmd_worktree(int ac,
 
 	git_config(git_worktree_config, NULL);
 
-	/*
-	 * git-worktree is special-cased to work in Scalar repositories
-	 * even when they use the GVFS Protocol.
-	 */
-	if (core_gvfs & GVFS_USE_VIRTUAL_FILESYSTEM)
-		die("'git %s' is not supported on a GVFS repo", "worktree");
-
 	if (!prefix)
 		prefix = "";
 

git.c

@@ -727,7 +727,7 @@ static struct cmd_struct commands[] = {
 	{ "verify-tag", cmd_verify_tag, RUN_SETUP },
 	{ "version", cmd_version },
 	{ "whatchanged", cmd_whatchanged, RUN_SETUP },
-	{ "worktree", cmd_worktree, RUN_SETUP },
+	{ "worktree", cmd_worktree, RUN_SETUP | BLOCK_ON_VFS_ENABLED },
 	{ "write-tree", cmd_write_tree, RUN_SETUP },
 };