Move the R build script to the devcontainer

.devcontainer/Dockerfile

@@ -70,4 +70,6 @@ RUN curl -fsSL -o /opt/llvm.sh https://apt.llvm.org/llvm.sh \
   && /opt/llvm.sh "$LLVM_VERSION"
 
 # Install R
-RUN make setup 
+COPY ./build-gnur.sh /workspace/tools/build-gnur.sh
+RUN mkdir -p /workspace/external
+RUN cd /workspace/external ; bash ../tools/build-gnur.sh

.devcontainer/build-gnur.sh

@@ -0,0 +1,112 @@
+#!/bin/bash
+
+set -Eeuo pipefail
+
+SCRIPT_DIR=$(cd "$(dirname "$0")" && pwd)
+BASE_DIR=$(cd "$SCRIPT_DIR/.." && pwd)
+R_DIR=""
+
+if [ ! -d "$BASE_DIR" ]; then
+  echo "Could not determine absolute dir of $0"
+  echo "Maybe accessed with symlink"
+  exit 1
+fi
+
+function usage() {
+  echo "$0 [-d] <R sources path>"
+}
+
+while [[ $# -gt 0 ]]; do
+  case $1 in
+  -d | --debug)
+    export CFLAGS="-ggdb3 -O0"
+    export CXXFLAGS="-ggdb3 -O0"
+    export CPPFLAGS="-ggdb3 -O0"
+    echo "Building a debug version of R"
+    shift
+    ;;
+  -*)
+    echo "Unknown option $1"
+    exit 1
+    ;;
+  *)
+    if [[ -z "$R_DIR" ]]; then
+      R_DIR="$1"
+      shift
+    else
+      echo "Unknown options $*"
+      exit 1
+    fi
+    ;;
+  esac
+done
+
+if [[ -z "$R_DIR" ]]; then
+  usage
+  exit 1
+fi
+
+echo "Building in $R_DIR"
+
+if [[ "$OSTYPE" == "darwin"* ]]; then
+  USING_OSX=1
+else
+  USING_OSX=0
+fi
+
+if [[ ! -f ${R_DIR}/.git ]]; then
+  echo "-> update submodules"
+  git submodule update --init
+fi
+
+function build {
+  cd "$R_DIR"
+
+  if [[ $(git diff --shortstat 2>/dev/null | tail -n1) != "" ]]; then
+    echo "** warning: $R_DIR repo is dirty"
+    sleep 1
+  fi
+
+  tools/rsync-recommended
+
+  if [[ ! -f Makefile ]]; then
+    echo "-> configure"
+    if [ $USING_OSX -eq 1 ]; then
+      ./configure --enable-R-shlib --with-internal-tzcode --with-ICU=no --with-x=no || cat config.log
+    else
+      ./configure
+    fi
+  fi
+
+  if [ ! -f doc/FAQ ]; then
+    touch doc/FAQ
+  fi
+
+  if [ ! -f "$R_DIR/SVN-REVISION" ]; then
+    # R must either be built from a svn checkout, or from the tarball generated by make dist
+    # this is a workaround to build it from a git mirror
+    # see https://github.com/wch/r-source/wiki/Home/6d35777dcb772f86371bf221c194ca0aa7874016#building-r-from-source
+    echo -n 'Revision: ' >SVN-REVISION
+    # get the latest revision that is not a rir patch
+    REV=$(git log --grep "git-svn-id" -1 --format=%B | grep "^git-svn-id" | sed -E 's/^git-svn-id: https:\/\/svn.r-project.org\/R\/[^@]*@([0-9]+).*$/\1/')
+    # can fail on shallow checkouts, so let's put the last known there
+    if [ "$REV" == "" ]; then
+      REV='74948'
+    fi
+    echo "$REV" >>SVN-REVISION
+    echo -n 'Last Changed Date: ' >>SVN-REVISION
+    REV_DATE=$(git log --grep "git-svn-id" -1 --pretty=format:"%ad" --date=iso | cut -d' ' -f1)
+    # can fail on shallow checkouts, so let's put the last known there
+    if [ "$REV_DATE" == "" ]; then
+      REV_DATE='2018-07-02'
+    fi
+    echo "$REV_DATE" >>SVN-REVISION
+
+    rm -f non-tarball
+  fi
+
+  echo "-> make"
+  make -j8
+}
+
+build