$ git clone -n https://src.fedoraproject.org/rpms/rust-inflate.git /var/lib/mock/f41-build-side-1-3134839-39762/root/chroot_tmpdir/scmroot/rust-inflate
Cloning into '/var/lib/mock/f41-build-side-1-3134839-39762/root/chroot_tmpdir/scmroot/rust-inflate'...
$ git fetch origin 87b0fc05620069da998d2224312ffff17ad5c71b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-inflate
 * [new ref]         87b0fc05620069da998d2224312ffff17ad5c71b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 87b0fc0 unused leaf package for more than two release cycles