fix(dev): fail on retry of a command with a deleted file

``` fatal: pathspec ':<path>' did not match any files ```
werf · Sep 15, 2021 · d286821 · d286821
1 parent 3d81fce
commit d286821
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pkg/true_git/service_branch.go b/pkg/true_git/service_branch.go
@@ -170,7 +170,7 @@ func runGitAddCmd(ctx context.Context, sourceWorktreeDir string, serviceWorktree
 	}
 
 	if dryRun {
-		gitAddArgs = append(gitAddArgs, "--dry-run")
+		gitAddArgs = append(gitAddArgs, "--dry-run", "--ignore-missing")
 	}
 
 	var pathSpecList []string