$ git clone -n https://src.fedoraproject.org/rpms/perl-List-SomeUtils-XS.git /var/lib/mock/f45-build-24565-604/root/chroot_tmpdir/scmroot/perl-List-SomeUtils-XS
Cloning into '/var/lib/mock/f45-build-24565-604/root/chroot_tmpdir/scmroot/perl-List-SomeUtils-XS'...
$ git fetch origin 1458cbc708a8ed7a7cd0a21417f1f012f361c298:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-List-SomeUtils-XS
 * [new ref]         1458cbc708a8ed7a7cd0a21417f1f012f361c298 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1458cbc Perl 5.44 rebuild