$ git clone -n https://src.fedoraproject.org/rpms/rust-lsd.git /var/lib/mock/f41-build-861649-169934/root/chroot_tmpdir/scmroot/rust-lsd
Cloning into '/var/lib/mock/f41-build-861649-169934/root/chroot_tmpdir/scmroot/rust-lsd'...
$ git fetch origin 1a85942e3e841ffe91f0b3301291c5402b1b2203:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-lsd
 * [new ref]         1a85942e3e841ffe91f0b3301291c5402b1b2203 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1a85942 Bump git2 dependency from 0.18 to 0.19