Write rcrc from install script (#17)

Going around in circles but it does seem like this is a better place for
it than living in the dotfiles themselves.

Author: csutter

src/personal-setup/README.md

@@ -7,7 +7,7 @@ Sets up my desired software and configuration for any devcontainer environment.
 
 ```json
 "features": {
-    "ghcr.io/csutter/devcontainer-features/personal-setup:4": {}
+    "ghcr.io/csutter/devcontainer-features/personal-setup:5": {}
 }
 ```
 

src/personal-setup/devcontainer-feature.json

@@ -1,6 +1,6 @@
 {
   "id": "personal-setup",
-  "version": "4.2.0",
+  "version": "5.0.0",
   "name": "Personal Setup",
   "description": "Sets up my desired software and configuration for any devcontainer environment.",
   "mounts": [
@@ -16,7 +16,7 @@
     }
   ],
   "containerEnv": {
-    "RCRC": "/mnt/dotfiles/tag-devcontainer/rcrc",
+
     "PROMPT_PREFIX": "", // Nerd font "remote" icon
     "_IS_DEVCONTAINER": "true"
   },

src/personal-setup/install.sh

@@ -23,3 +23,10 @@ case "$ID" in
         exit 1
         ;;
 esac
+
+echo "Setting up rcm configuration for user: $_REMOTE_USER"
+cat > "$_REMOTE_USER_HOME/.rcrc" <<'EOF'
+EXCLUDES="README.md"
+DOTFILES_DIRS="/mnt/dotfiles /mnt/dotfiles-private"
+TAGS="devcontainer"
+EOF

test/personal-setup/test.sh

@@ -16,7 +16,9 @@ check "ssh is available"          bash -c "which ssh"
 check "tree is available"         bash -c "which tree"
 
 # Check dotfiles are installed
-check "dotfiles are installed"  bash -c "test -f $HOME/.rcrc"
+# WARNING: implicit dependency on the contents of the dotfiles repo
+check "rcrc is created"       bash -c "test -f $HOME/.rcrc"
+check "dotfiles are linked"   bash -c "test -L $HOME/.config/git/config_devcontainer"
 
 # Check environment variables are set
 check "_IS_DEVCONTAINER is set" bash -c "test \"\$_IS_DEVCONTAINER\" = \"true\""