$ git clone -n https://src.fedoraproject.org/rpms/rust-lru0.16.git /var/lib/mock/f45-build-43057-799/root/chroot_tmpdir/scmroot/rust-lru0.16
Cloning into '/var/lib/mock/f45-build-43057-799/root/chroot_tmpdir/scmroot/rust-lru0.16'...
$ git fetch origin 5d57ee78f255fd8bfdb78638c06754e76c5f7fd3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-lru0.16
 * [new ref]         5d57ee78f255fd8bfdb78638c06754e76c5f7fd3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5d57ee7 Initial import (lru v0.16 compat package)