$ git clone -n https://src.fedoraproject.org/rpms/perl-Algorithm-Diff-XS.git /var/lib/mock/f40-build-2301273-56771/root/chroot_tmpdir/scmroot/perl-Algorithm-Diff-XS
Cloning into '/var/lib/mock/f40-build-2301273-56771/root/chroot_tmpdir/scmroot/perl-Algorithm-Diff-XS'...
$ git fetch origin c68f28fcfd72c7696388d168d8d5a27f5e6609a1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Algorithm-Diff-XS
 * [new ref]         c68f28fcfd72c7696388d168d8d5a27f5e6609a1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c68f28f Add TMT tests and gating