$ git clone -n https://src.fedoraproject.org/rpms/rust-prometheus.git /var/lib/mock/f40-build-2116218-50705/root/chroot_tmpdir/scmroot/rust-prometheus
Cloning into '/var/lib/mock/f40-build-2116218-50705/root/chroot_tmpdir/scmroot/rust-prometheus'...
$ git fetch origin 06687ca0c26b474c82a6463395878edb927e4ab9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-prometheus
 * [new ref]         06687ca0c26b474c82a6463395878edb927e4ab9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 06687ca Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild