Add packages to personal-setup (#6)

This adds `tree` and `fish` to the packages installed into
devcontainers.

Author: csutter

src/personal-setup/devcontainer-feature.json

@@ -1,6 +1,6 @@
 {
   "id": "personal-setup",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "name": "Personal Setup",
   "description": "Sets up my desired software and configuration for any devcontainer environment.",
   "mounts": [

src/personal-setup/install.sh

@@ -12,10 +12,10 @@ echo "Installing packages for distribution: $ID"
 case "$ID" in
     debian|ubuntu)
         apt-get update
-        apt-get install -y rcm
+        apt-get install -y fish rcm tree
         ;;
     fedora)
-        dnf install -y rcm
+        dnf install -y fish rcm tree
         ;;
     *)
         echo "Error: Unsupported distribution: $ID"

test/personal-setup/test.sh

@@ -3,7 +3,9 @@ set -e
 
 source dev-container-features-test-lib
 
+check "fish is available"       bash -c "which fish"
 check "rcm is available"        bash -c "which rcup"
+check "tree is available"       bash -c "which tree"
 # Use a dotfile that should _always_ be present on any system
 check "dotfiles are installed"  bash -c "test -f $HOME/.config/fish/config.fish"