$ git clone -n https://src.fedoraproject.org/rpms/rust-quote.git /var/lib/mock/f40-build-2260553-54413/root/chroot_tmpdir/scmroot/rust-quote
Cloning into '/var/lib/mock/f40-build-2260553-54413/root/chroot_tmpdir/scmroot/rust-quote'...
$ git fetch origin 7657c6516e647a96e0199ad4b8ed49b255489bf3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-quote
 * [new ref]         7657c6516e647a96e0199ad4b8ed49b255489bf3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7657c65 Update to version 1.0.35; Fixes RHBZ#2256345