$ git clone -n https://src.fedoraproject.org/rpms/perl-Devel-FindPerl.git /var/lib/mock/f45-build-23103-595/root/chroot_tmpdir/scmroot/perl-Devel-FindPerl
Cloning into '/var/lib/mock/f45-build-23103-595/root/chroot_tmpdir/scmroot/perl-Devel-FindPerl'...
$ git fetch origin 8209f025920cef830e443e2466ece6e4a61402af:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Devel-FindPerl
 * [new ref]         8209f025920cef830e443e2466ece6e4a61402af -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8209f02 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild