$ git clone -n https://src.fedoraproject.org/rpms/rust-pipe-trait.git /var/lib/mock/f45-build-43857-807/root/chroot_tmpdir/scmroot/rust-pipe-trait
Cloning into '/var/lib/mock/f45-build-43857-807/root/chroot_tmpdir/scmroot/rust-pipe-trait'...
$ git fetch origin b0ece7bdb98fbb214ce276d369c151c13f621782:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pipe-trait
 * [new ref]         b0ece7bdb98fbb214ce276d369c151c13f621782 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b0ece7b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild