$ git clone -n https://src.fedoraproject.org/rpms/obserware.git /var/lib/mock/f39-build-1559377-37322/root/chroot_tmpdir/scmroot/obserware
Cloning into '/var/lib/mock/f39-build-1559377-37322/root/chroot_tmpdir/scmroot/obserware'...
$ git fetch origin a2ee26148843f36b49ddebb16f394c689773d311:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/obserware
 * [new ref]         a2ee26148843f36b49ddebb16f394c689773d311 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a2ee261 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild