$ git clone -n https://src.fedoraproject.org/rpms/rust-time0.2.git /var/lib/mock/f38-build-side-42-init-devel-1395955-31050/root/chroot_tmpdir/scmroot/rust-time0.2
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1395955-31050/root/chroot_tmpdir/scmroot/rust-time0.2'...
$ git fetch origin 0db8ea6fb2bf795ab16fb1a1a188bd5cda304aac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-time0.2
 * [new ref]         0db8ea6fb2bf795ab16fb1a1a188bd5cda304aac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0db8ea6 Allow warnings in doctests to fix tests	with Rust 1.70