$ git clone -n https://src.fedoraproject.org/rpms/jpegoptim.git /var/lib/mock/f31-build-55831-28156/root/chroot_tmpdir/scmroot/jpegoptim
Cloning into '/var/lib/mock/f31-build-55831-28156/root/chroot_tmpdir/scmroot/jpegoptim'...
$ git reset --hard ae93d9c0e38d8e1c3ab389df96f639901c6a2fa1
HEAD is now at ae93d9c - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild