$ git clone -n https://src.fedoraproject.org/rpms/rust-reqwest.git /var/lib/mock/f40-build-1924429-25102/root/chroot_tmpdir/scmroot/rust-reqwest
Cloning into '/var/lib/mock/f40-build-1924429-25102/root/chroot_tmpdir/scmroot/rust-reqwest'...
$ git fetch origin 93b38b86e2212815781db1618e11963a413b61bb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-reqwest
 * [new ref]         93b38b86e2212815781db1618e11963a413b61bb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 93b38b8 Update to version 0.12.5; Fixes RHBZ#2292662