$ git clone -n https://src.fedoraproject.org/rpms/rust-reqwest-middleware.git /var/lib/mock/f45-build-44422-813/root/chroot_tmpdir/scmroot/rust-reqwest-middleware
Cloning into '/var/lib/mock/f45-build-44422-813/root/chroot_tmpdir/scmroot/rust-reqwest-middleware'...
$ git fetch origin a2b7f5e982268b8915a2cbe18d8aa5bc5be4da84:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-reqwest-middleware
 * [new ref]         a2b7f5e982268b8915a2cbe18d8aa5bc5be4da84 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a2b7f5e Simplify .gitignore