$ git clone -n https://src.fedoraproject.org/rpms/rust-comrak.git /var/lib/mock/f40-build-782807-132281/root/chroot_tmpdir/scmroot/rust-comrak
Cloning into '/var/lib/mock/f40-build-782807-132281/root/chroot_tmpdir/scmroot/rust-comrak'...
$ git fetch origin ef1fd52f9b992fc7fe181d872eff0e77f8c93538:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-comrak
 * [new ref]         ef1fd52f9b992fc7fe181d872eff0e77f8c93538 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ef1fd52 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild