$ git clone -n https://src.fedoraproject.org/rpms/rust-pom.git /var/lib/mock/f40-build-2083241-49900/root/chroot_tmpdir/scmroot/rust-pom
Cloning into '/var/lib/mock/f40-build-2083241-49900/root/chroot_tmpdir/scmroot/rust-pom'...
$ git fetch origin 7509fec3e1f3807aa812d811d66c6fd683228bb8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pom
 * [new ref]         7509fec3e1f3807aa812d811d66c6fd683228bb8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7509fec Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild