Set custom env vars required for RStudio to work
MODIFY
repo2docker/buildpacks/r.py
repo2docker/buildpacks/r.py
@@ -133,6 +133,19 @@ class RBuildPack(PythonBuildPack):
self._runtime = "r-{}".format(str(self._checkpoint_date))
return True
+ def get_env(self):
+ """
+ Set custom env vars needed for RStudio to load
+ """
+ return super().get_env() + [
+ # rstudio (rsession) can't seem to find R unless we explicitly tell it where
+ # it is - just $PATH isn't enough. I discovered these are the env vars it
+ # looks for by digging through RStudio source and finding https://github.com/rstudio/rstudio/blob/main/src/cpp/r/session/RDiscovery.cpp
+ ("R_HOME", f"/opt/R/{self.r_version}/lib/R"),
+ ("R_DOC_DIR", "${R_HOME}/doc"),
+ ("LD_LIBRARY_PATH", "${R_HOME}/lib:${LD_LIBRARY_PATH}"),
+ ]
+
def get_path(self):
"""
Return paths to be added to the PATH environment variable.

Set custom env vars required for RStudio to work