$ git clone -n https://src.fedoraproject.org/rpms/rust-pest.git /var/lib/mock/f41-build-1197928-22358/root/chroot_tmpdir/scmroot/rust-pest
Cloning into '/var/lib/mock/f41-build-1197928-22358/root/chroot_tmpdir/scmroot/rust-pest'...
$ git fetch origin 215634b709d744e0779ecb8478ba200316e32c47:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pest
 * [new ref]         215634b709d744e0779ecb8478ba200316e32c47 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 215634b Update to version 2.7.10; Fixes RHBZ#2262742