$ git clone -n https://src.fedoraproject.org/rpms/rust-pasetors.git /var/lib/mock/f40-build-2260493-54410/root/chroot_tmpdir/scmroot/rust-pasetors
Cloning into '/var/lib/mock/f40-build-2260493-54410/root/chroot_tmpdir/scmroot/rust-pasetors'...
$ git fetch origin c13464b712416598eb01aa7724196af9aa18d7d2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pasetors
 * [new ref]         c13464b712416598eb01aa7724196af9aa18d7d2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c13464b Update to version 0.6.8; Fixes RHBZ#2254219