$ git clone -n https://src.fedoraproject.org/rpms/perl-Unicode-UTF8.git /var/lib/mock/f45-build-27341-622/root/chroot_tmpdir/scmroot/perl-Unicode-UTF8
Cloning into '/var/lib/mock/f45-build-27341-622/root/chroot_tmpdir/scmroot/perl-Unicode-UTF8'...
$ git fetch origin 165f3b0f96ae7c1b8dfa29ee6a644a35df8c6786:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Unicode-UTF8
 * [new ref]         165f3b0f96ae7c1b8dfa29ee6a644a35df8c6786 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 165f3b0 Perl 5.44 rebuild