$ git clone -n https://src.fedoraproject.org/rpms/rust-reqwest.git /var/lib/mock/f42-build-side-1-3584846-46896/root/chroot_tmpdir/scmroot/rust-reqwest
Cloning into '/var/lib/mock/f42-build-side-1-3584846-46896/root/chroot_tmpdir/scmroot/rust-reqwest'...
$ git fetch origin 46f5328388de9299ea8e804f39dd775345c06911:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-reqwest
 * [new ref]         46f5328388de9299ea8e804f39dd775345c06911 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 46f5328 Update to version 0.12.22