mk-ca-bundle.pl: make -u delete certdata.txt if found not changed

certdata.txt should be deleted also when the process is interrupted by
"same certificate downloaded, exiting"

The certdata.txt is currently kept on disk even if you give the -u
option

Closes #2655

diff --git a/lib/mk-ca-bundle.pl b/lib/mk-ca-bundle.pl
index 3dc5b6538c3eb17520eb8bc8988f786de926911f..33977f322691a1f57a1090b2cd31f2accf13686e 100755 (executable)
--- a/lib/mk-ca-bundle.pl
+++ b/lib/mk-ca-bundle.pl
@@ -377,6 +377,9 @@ my $newhash= sha256($txt);
 
 if(!$opt_f && $oldhash eq $newhash) {
     report "Downloaded file identical to previous run\'s source file. Exiting";
+    if($opt_u && -e $txt && !unlink($txt)) {
+        report "Failed to remove $txt: $!\n";
+    }
     exit;
 }