From a687e0b6a3ac727f4b40f042265093699717251e Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sun, 3 Aug 2014 17:09:43 +0100
Subject: [PATCH] getcwd: Introduce must_getcwd using getcwd rather than
 cmdoutput

---
 dgit | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/dgit b/dgit
index 6369856c..86613399 100755
--- a/dgit
+++ b/dgit
@@ -623,6 +623,12 @@ sub git_get_ref ($) {
     }
 }
 
+sub must_getcwd () {
+    my $d = getcwd();
+    defined $d or fail "getcwd failed: $!";
+    return $d;
+}
+
 our %rmad;
 
 sub archive_query ($) {
@@ -1915,7 +1921,7 @@ sub build_source {
 	runcmd_ordryrun_local (@dpkgbuildpackage, qw(-us -uc -S)),
 	    changesopts();
     } else {
-	my $pwd = cmdoutput qw(env - pwd);
+	my $pwd = must_getcwd();
 	my $leafdir = basename $pwd;
 	changedir "..";
 	runcmd_ordryrun_local @dpkgsource, qw(-b --), $leafdir;
-- 
2.30.2