From a9fe4afebac6f0450fa7ed5ff73b8d6d7792fe32 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sun, 8 Nov 2015 15:13:36 +0000
Subject: [PATCH] Split brain: Make prep_ud be able to make a different dir
 (nfc)

We will want this later.  No users yet, so no functional change.
---
 dgit | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/dgit b/dgit
index d59d2f5f..2069298b 100755
--- a/dgit
+++ b/dgit
@@ -1209,10 +1209,12 @@ our ($dsc_hash,$lastpush_hash);
 
 our $ud = '.git/dgit/unpack';
 
-sub prep_ud () {
-    rmtree($ud);
+sub prep_ud (;$) {
+    my ($d) = @_;
+    $d //= $ud;
+    rmtree($d);
     mkpath '.git/dgit';
-    mkdir $ud or die $!;
+    mkdir $d or die $!;
 }
 
 sub mktree_in_ud_here () {
-- 
2.30.2