$ git clone -n https://src.fedoraproject.org/rpms/rust-mdsh.git /var/lib/mock/f40-build-2037901-48135/root/chroot_tmpdir/scmroot/rust-mdsh
Cloning into '/var/lib/mock/f40-build-2037901-48135/root/chroot_tmpdir/scmroot/rust-mdsh'...
$ git fetch origin ad618ede4190230ff86d66c12ce0b1102577bbce:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-mdsh
 * [new ref]         ad618ede4190230ff86d66c12ce0b1102577bbce -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ad618ed Initial package (rhbz#2245151)