Merge pull request #198 from tennox/gettingstarted-improvements

Docs on finding packages & let template watch devshell.toml

docs/getting_started.md

@@ -140,7 +140,30 @@ packages = [
 ]
 ```
 
-devshell is extensible in many different ways. In the next chapters we will
+### Finding packages
+
+Check out the [Nix package repository](https://search.nixos.org/packages).
+
+Note that it is also possible to **use specific versions** for some packages - e.g. for NodeJS, [search the repo](https://search.nixos.org/packages?type=packages&query=nodejs) & use like this:
+```toml
+[[commands]]
+package = "nodejs-17_x" # https://search.nixos.org/packages?type=packages&query=nodejs
+name = "node"
+help = "NodeJS"
+```
+
+Or another example:
+```toml
+[devshell]
+packages = [
+  "python27", # 2.7
+  "python311", # 3.11
+]
+```
+
+### Wrapping up
+
+**devshell** is extensible in many different ways. In the next chapters we will
 discuss the various ways in which it can be adapted to your project's needs.
 to find 
 of the configuration options available.

template/.envrc

@@ -1,7 +1,12 @@
+#!/usr/bin/env bash
+# ^ added for shellcheck and file-type detection
+
+# Watch & reload direnv on change
+watch_file devshell.toml
+
 if [[ $(type -t use_flake) != function ]]; then
   echo "ERROR: use_flake function missing."
   echo "Please update direnv to v2.30.0 or later."
   exit 1
 fi
-
-use flake
+use flake