$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-utf8.git /var/lib/mock/f41-build-1211630-22574/root/chroot_tmpdir/scmroot/perl-Test-utf8
Cloning into '/var/lib/mock/f41-build-1211630-22574/root/chroot_tmpdir/scmroot/perl-Test-utf8'...
$ git fetch origin 152b92be873c3fdab93e367bae93cd00896322da:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-utf8
 * [new ref]         152b92be873c3fdab93e367bae93cd00896322da -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 152b92b Eliminate use of obsolete %patchN syntax (#2283636)