$ git clone -n https://src.fedoraproject.org/rpms/sudo-rs.git /var/lib/mock/f45-build-46399-834/root/chroot_tmpdir/scmroot/sudo-rs
Cloning into '/var/lib/mock/f45-build-46399-834/root/chroot_tmpdir/scmroot/sudo-rs'...
$ git fetch origin f7a73b6ec678558766813459cb0a74e97f039cad:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sudo-rs
 * [new ref]         f7a73b6ec678558766813459cb0a74e97f039cad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f7a73b6 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild