X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~cjwatson/git?a=blobdiff_plain;f=desymlink;h=f3cf416d535538b98acc53d8c3c28232593f5ef4;hb=d4b1b0c18521d57183d981831661879bc6d60aee;hp=a1a40ee2c81302e7d163928c354120d049b7c75f;hpb=048aac6382a1cd35c048734907a51e3be5727e42;p=bin.git

diff --git a/desymlink b/desymlink
index a1a40ee..f3cf416 100755
--- a/desymlink
+++ b/desymlink
@@ -1,16 +1,17 @@
 #! /usr/bin/perl -w
 use strict;
+use File::Copy;
 
 for (@ARGV) {
     my $source = $_;
     next unless -l $source;
-    my $target = readlink $source or die "readlink: $!";
+    my $target = readlink $source or die "readlink $source: $!";
     my $trap = sub { unlink $source;
 		     symlink $target, $source;
 		     print "Caught a SIG$_[0]!\n";
 		     exit; };
     local ($SIG{HUP}, $SIG{INT}, $SIG{TERM}, $SIG{QUIT}, $SIG{__DIE__}) =
 	($trap, $trap, $trap, $trap, $trap);
-    unlink $source;
-    system '/bin/cp', $target, $source;
+    unlink $source or die "unlink $source: $!";
+    copy $target, $source or die "copy $source to $target: $!";
 }