From 30ecd0c98b1076d3245f225f331349c5901b890e Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Thu, 26 Sep 2013 22:37:37 +0100
Subject: [PATCH] wip changes for remote push - break out shellquote, nfc

---
 dgit | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/dgit b/dgit
index c24a9503..1968d8c1 100755
--- a/dgit
+++ b/dgit
@@ -183,19 +183,25 @@ sub url_get {
 
 our ($dscdata,$dscurl,$dsc,$skew_warning_vsn);
 
-sub printcmd {
-    my $fh = shift @_;
-    my $intro = shift @_;
-    print $fh $intro or die $!;
+sub shellquote {
+    my @out;
     local $_;
     foreach my $a (@_) {
 	$_ = $a;
 	if (s{['\\]}{\\$&}g || m{\s} || m{[^-_./0-9a-z]}i) {
-	    print $fh " '$_'" or die $!;
+	    push @out, "'$_'";
 	} else {
-	    print $fh " $_" or die $!;
+	    push @out, $_;
 	}
     }
+    return join '', @out;
+}
+
+sub printcmd {
+    my $fh = shift @_;
+    my $intro = shift @_;
+    print $fh $intro or die $!;
+    print $fh shellquote @_ or die $!;
     print $fh "\n" or die $!;
 }
 
-- 
2.30.2