Closed
Description
OCaml's opam has a convenient command to setup environment variables:
❯ opam config env
CAML_LD_LIBRARY_PATH="/Users/lostman/.opam/system/lib/stublibs:/usr/local/lib/ocaml/stublibs"; export CAML_LD_LIBRARY_PATH;
OPAMUTF8MSGS="1"; export OPAMUTF8MSGS;
MANPATH=":/Users/lostman/.opam/system/man"; export MANPATH;
MAKELEVEL=""; export MAKELEVEL;
MAKEFLAGS=""; export MAKEFLAGS;
PERL5LIB="/Users/lostman/.opam/system/lib/perl5"; export PERL5LIB;
OCAML_TOPLEVEL_PATH="/Users/lostman/.opam/system/lib/toplevel"; export OCAML_TOPLEVEL_PATH;
PATH="/Users/lostman/.opam/system/bin:/Users/lostman/.local/bin:/Users/lostman/.cabal/bin:/Users/lostman/bin:/usr/local/Cellar/llvm/3.4.2/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/opt/X11/bin"; export PATH;
Which can be consumed by:
eval `opam config env`
It would be great if stack offered something similar. In particular, when using stack-installed GHC one needs to add it to PATH. Ditto regarding bin/ directory. While stack exec foo works, it is not enough when I want to call more than one binary from a script.
stack config env (or equivalent) could work globally by pointing to the latest GHC version that has been installed and locally in a directory with stack.yaml by pointing to GHC version that is required to build that particular project.