$ git clone -n https://src.fedoraproject.org/rpms/hunspell-st.git /var/lib/mock/f45-build-13738-454/root/chroot_tmpdir/scmroot/hunspell-st
Cloning into '/var/lib/mock/f45-build-13738-454/root/chroot_tmpdir/scmroot/hunspell-st'...
$ git fetch origin c2e63c91302848ee0c81b5a547c906fa0d1daab7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hunspell-st
 * [new ref]         c2e63c91302848ee0c81b5a547c906fa0d1daab7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c2e63c9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild