Add example environment in shell.nix

This environment is default selected.

With

    nix-shell ./shell.nix --argstr example 1

it can be selected explicitely.

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>

1 files changed, 25 insertions, 4 deletions

diff --git a/shell.nix b/shell.nix
index 4657359..d52b014 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,4 +1,4 @@
-{ ... }:
+{ example ? "1", ... }:
 
 let
   moz_overlay = import (
@@ -16,8 +16,29 @@ let
   PG_PW             = "password";
   PG_CONTAINER_NAME = "pg-dev-container";
 
+
+  example_1_env = {
+    BUTIDO_RELEASES     = "/tmp/example-1-releases";
+    BUTIDO_STAGING      = "/tmp/example-1-staging";
+    BUTIDO_SOURCE_CACHE = "/tmp/example-1-sources";
+    BUTIDO_LOG_DIR      = "/tmp/example-1-logs";
+    BUTIDO_REPO         = "/tmp/example-1-repo";
+
+    BUTIDO_DATABASE_HOST     = "localhost";
+    BUTIDO_DATABASE_PORT     = 5432;
+    BUTIDO_DATABASE_USER     = PG_USER;
+    BUTIDO_DATABASE_PASSWORD = PG_PW;
+    BUTIDO_DATABASE_NAME     = PG_DB;
+  };
+
+  selectedEnv = {
+    "1" = example_1_env;
+  }."${example}";
+
+
 in
-pkgs.mkShell {
+pkgs.mkShell (
+{
   buildInputs = with pkgs; [
     rustChannels.stable.rust-std
     rustChannels.stable.rust
@@ -42,6 +63,6 @@ pkgs.mkShell {
 
   LIBCLANG_PATH   = "${pkgs.llvmPackages.libclang}/lib";
   inherit PG_USER PG_DB PG_PW PG_CONTAINER_NAME;
-}
-
+} // selectedEnv
+)