$ git clone -n https://src.fedoraproject.org/rpms/rust-sd-notify.git /var/lib/mock/f40-build-2039413-48268/root/chroot_tmpdir/scmroot/rust-sd-notify
Cloning into '/var/lib/mock/f40-build-2039413-48268/root/chroot_tmpdir/scmroot/rust-sd-notify'...
$ git fetch origin 001303325ebc91625ad67726cb55c888df7c138a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-sd-notify
 * [new ref]         001303325ebc91625ad67726cb55c888df7c138a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0013033 Update to 0.3.0