$ git clone -n https://src.fedoraproject.org/rpms/perl-Unicode-Map8.git /var/lib/mock/f45-build-27302-622/root/chroot_tmpdir/scmroot/perl-Unicode-Map8
Cloning into '/var/lib/mock/f45-build-27302-622/root/chroot_tmpdir/scmroot/perl-Unicode-Map8'...
$ git fetch origin ea0d23b6efde072be29a881270a8ee6c1edc218f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Unicode-Map8
 * [new ref]         ea0d23b6efde072be29a881270a8ee6c1edc218f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ea0d23b Perl 5.44 rebuild