$ git clone -n https://src.fedoraproject.org/rpms/rust-rustdoc-types0.60.git /var/lib/mock/f45-build-44563-815/root/chroot_tmpdir/scmroot/rust-rustdoc-types0.60
Cloning into '/var/lib/mock/f45-build-44563-815/root/chroot_tmpdir/scmroot/rust-rustdoc-types0.60'...
$ git fetch origin ac5e4e586959c1ca0bf3f02552fd07232898ddfe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rustdoc-types0.60
 * [new ref]         ac5e4e586959c1ca0bf3f02552fd07232898ddfe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac5e4e5 Initial compat package