$ git clone -n https://src.fedoraproject.org/rpms/rust-os_pipe0.9.git /var/lib/mock/f38-build-side-42-init-devel-1394536-31050/root/chroot_tmpdir/scmroot/rust-os_pipe0.9
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1394536-31050/root/chroot_tmpdir/scmroot/rust-os_pipe0.9'...
$ git fetch origin 87cd975394728224d1b9d167663517068ebe2695:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-os_pipe0.9
 * [new ref]         87cd975394728224d1b9d167663517068ebe2695 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 87cd975 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild