+# Returns source package name
+sub sourcepackage {
+ open (CONTROL, 'debian/control') ||
+ error("cannot read debian/control: $!\n");
+ while (<CONTROL>) {
+ chomp;
+ s/\s+$//;
+ if (/^Source:\s*(.*)/) {
+ close CONTROL;
+ return $1;
+ }
+ }
+
+ close CONTROL;
+ error("could not find Source: line in control file.");
+}
+