$ git clone -n https://src.fedoraproject.org/rpms/perl-Package-Stash-XS.git /var/lib/mock/f29-build-1523-548/root/thebuilddir/tmp/scmroot/perl-Package-Stash-XS
Cloning into '/var/lib/mock/f29-build-1523-548/root/thebuilddir/tmp/scmroot/perl-Package-Stash-XS'...
$ git reset --hard 6ae438515ed5950bfd83f65663a2794948e187a6
HEAD is now at 6ae4385 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild