$ git clone -n https://src.fedoraproject.org/rpms/R-gsl.git /var/lib/mock/f38-build-721196-98409/root/chroot_tmpdir/scmroot/R-gsl
Cloning into '/var/lib/mock/f38-build-721196-98409/root/chroot_tmpdir/scmroot/R-gsl'...
$ git reset --hard 7a06e2f5fb43a651a855a3373578b23b03e099f0
HEAD is now at 7a06e2f R-maint-sig mass rebuild