$ git clone -n https://src.fedoraproject.org/rpms/rust-tempfile.git /var/lib/mock/epel9-build-59142936-6571294/root/chroot_tmpdir/scmroot/rust-tempfile
Cloning into '/var/lib/mock/epel9-build-59142936-6571294/root/chroot_tmpdir/scmroot/rust-tempfile'...
$ git fetch origin 463af84f23fcad48195cf0396dc7022fa0134eba:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tempfile
 * [new ref]         463af84f23fcad48195cf0396dc7022fa0134eba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 463af84 Update to version 3.19.1; Fixes RHBZ#2353419