$ git clone -n https://src.fedoraproject.org/rpms/perl-Crypt-SysRandom-XS.git /var/lib/mock/f45-build-22658-593/root/chroot_tmpdir/scmroot/perl-Crypt-SysRandom-XS
Cloning into '/var/lib/mock/f45-build-22658-593/root/chroot_tmpdir/scmroot/perl-Crypt-SysRandom-XS'...
$ git fetch origin dea2adc976b8acbbcae883820985132df5ac1a86:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Crypt-SysRandom-XS
 * [new ref]         dea2adc976b8acbbcae883820985132df5ac1a86 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dea2adc Perl 5.44 rebuild