$ git clone -n https://src.fedoraproject.org/rpms/rust-wyz.git /var/lib/mock/f39-build-1489331-34501/root/chroot_tmpdir/scmroot/rust-wyz
Cloning into '/var/lib/mock/f39-build-1489331-34501/root/chroot_tmpdir/scmroot/rust-wyz'...
$ git fetch origin e2b21f24b3aee1818939a9603d0fd9c26c28e1d4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-wyz
 * [new ref]         e2b21f24b3aee1818939a9603d0fd9c26c28e1d4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e2b21f2 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild