$ git clone -n https://src.fedoraproject.org/rpms/R-readxl.git /var/lib/mock/f31-build-114464-34451/root/chroot_tmpdir/scmroot/R-readxl
Cloning into '/var/lib/mock/f31-build-114464-34451/root/chroot_tmpdir/scmroot/R-readxl'...
$ git reset --hard 30787a236044d9e67350d713b52e4cf1b20b2908
HEAD is now at 30787a2 Remove explicit dependencies provided by automatic dependency generator.