$ git clone -n https://src.fedoraproject.org/rpms/dracut.git /var/lib/mock/f42-build-side-1-3586750-46925/root/chroot_tmpdir/scmroot/dracut
Cloning into '/var/lib/mock/f42-build-side-1-3586750-46925/root/chroot_tmpdir/scmroot/dracut'...
$ git fetch origin 075aed74e7ab155a62f9d102aa04a05f9c9a761f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dracut
 * [new ref]         075aed74e7ab155a62f9d102aa04a05f9c9a761f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 075aed7 build: upgrade to dracut 107