$ git clone -n https://src.fedoraproject.org/rpms/rust-pest.git /var/lib/mock/f40-build-2250993-54100/root/chroot_tmpdir/scmroot/rust-pest
Cloning into '/var/lib/mock/f40-build-2250993-54100/root/chroot_tmpdir/scmroot/rust-pest'...
$ git fetch origin 180388c17773a7e12432d0286e8e05c47e007af1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pest
 * [new ref]         180388c17773a7e12432d0286e8e05c47e007af1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 180388c Update to version 2.7.6; Fixes RHBZ#2240741