$ git clone -n https://src.fedoraproject.org/rpms/cross-gcc.git /var/lib/mock/f41-build-842580-161623/root/chroot_tmpdir/scmroot/cross-gcc
Cloning into '/var/lib/mock/f41-build-842580-161623/root/chroot_tmpdir/scmroot/cross-gcc'...
$ git reset --hard e1bd94474541d143d175a16f166308d0c7b55aaf
HEAD is now at e1bd944 fix build using rpm 4.20