$ git clone -n https://src.fedoraproject.org/rpms/gperf.git /var/lib/mock/f31-build-49798-27346/root/chroot_tmpdir/scmroot/gperf
Cloning into '/var/lib/mock/f31-build-49798-27346/root/chroot_tmpdir/scmroot/gperf'...
$ git reset --hard 8aed749eac3688d49e445f4e78ce37e6f531cf8c
HEAD is now at 8aed749 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild