#!/bin/sh
# stamp the source with the originating git revision.
git_rev=$(git show --pretty'=oneline' 'HEAD' | head -n1 | cut -f1 -d' ')
#git_r='assign("git_revision","'$git_rev'",envir=.GlobalEnv)'
git_r='    global("git_revision","'$git_rev'")'

awk -v "git_r=$git_r" '
/# git_revision }/ {suppress=0}
suppress == 0 {print}
/# git_revision {/ {print git_r; suppress=1}
' <R/zzz.R.in >R/zzz.R