$ git clone -n https://src.fedoraproject.org/rpms/rust-reedline.git /var/lib/mock/f40-build-2597164-62834/root/chroot_tmpdir/scmroot/rust-reedline
Cloning into '/var/lib/mock/f40-build-2597164-62834/root/chroot_tmpdir/scmroot/rust-reedline'...
$ git fetch origin aa91013854553ac2b3c1ac5f621d4d95567c0980:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-reedline
 * [new ref]         aa91013854553ac2b3c1ac5f621d4d95567c0980 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aa91013 Update to 0.27.1