$ git clone -n https://src.fedoraproject.org/rpms/kcron.git /var/lib/mock/f39-build-2063833-49192/root/chroot_tmpdir/scmroot/kcron
Cloning into '/var/lib/mock/f39-build-2063833-49192/root/chroot_tmpdir/scmroot/kcron'...
$ git fetch origin 7982191fb8aaf1ceb276f97c80701385ba6f3429:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kcron
 * [new ref]         7982191fb8aaf1ceb276f97c80701385ba6f3429 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7982191 23.08.4