$ git clone -n https://src.fedoraproject.org/rpms/hyperestraier.git /var/lib/mock/f42-build-865325-173025/root/chroot_tmpdir/scmroot/hyperestraier
Cloning into '/var/lib/mock/f42-build-865325-173025/root/chroot_tmpdir/scmroot/hyperestraier'...
$ git fetch origin c68b02ee14c6a4969f69c59812d44a59a45e8ed5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hyperestraier
 * [new ref]         c68b02ee14c6a4969f69c59812d44a59a45e8ed5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c68b02e Rebuild for https://fedoraproject.org/wiki/Changes/Ruby_3.4