$ git clone -n https://src.fedoraproject.org/rpms/rust-pathdiff.git /var/lib/mock/f40-build-2038476-48185/root/chroot_tmpdir/scmroot/rust-pathdiff
Cloning into '/var/lib/mock/f40-build-2038476-48185/root/chroot_tmpdir/scmroot/rust-pathdiff'...
$ git fetch origin 7d7cf8386d4dc5b13b161168969923a5bc52f144:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pathdiff
 * [new ref]         7d7cf8386d4dc5b13b161168969923a5bc52f144 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7d7cf83 Regenerate with rust2rpm v24