$ git clone -n https://src.fedoraproject.org/rpms/rust-reqwest.git /var/lib/mock/f45-build-44378-813/root/chroot_tmpdir/scmroot/rust-reqwest
Cloning into '/var/lib/mock/f45-build-44378-813/root/chroot_tmpdir/scmroot/rust-reqwest'...
$ git fetch origin 6027d1e1c666dadaa90ea7cb5967d3713792ba9c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-reqwest
 * [new ref]         6027d1e1c666dadaa90ea7cb5967d3713792ba9c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6027d1e Update to version 0.13.5; Fixes RHBZ#2530236