Support installing Ruby local deps (#477)

* don't have any file deps for ruby to support installing local deps

* update snapshot tests

* ruby local deps test

* add ruby local snapshot test

* fix ruby local deps procfile

* update snapshot tests

examples/ruby-local-deps/Gemfile

@@ -0,0 +1,3 @@
+source 'https://rubygems.org'
+
+gem "local", path: "libs/local"

examples/ruby-local-deps/Gemfile.lock

@@ -0,0 +1,20 @@
+PATH
+  remote: libs/local
+  specs:
+    local (0.1.0)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+
+PLATFORMS
+  arm64-darwin-21
+
+DEPENDENCIES
+  local!
+
+RUBY VERSION
+   ruby 3.1.2p20
+
+BUNDLED WITH
+   2.3.7

examples/ruby-local-deps/Procfile

@@ -0,0 +1 @@
+web: bundle exec ruby app.rb

examples/ruby-local-deps/app.rb

@@ -0,0 +1,3 @@
+require "local"
+
+Local.hi

examples/ruby-local-deps/libs/local/Gemfile

@@ -0,0 +1,4 @@
+source "https://rubygems.org"
+git_source(:github) { |repo| "https://github.com/#{repo}.git" }
+
+gemspec

examples/ruby-local-deps/libs/local/lib/local.rb

@@ -0,0 +1,5 @@
+class Local
+  def self.hi
+    puts "Hello world from Local lib"
+  end
+end

examples/ruby-local-deps/libs/local/local.gemspec

@@ -0,0 +1,11 @@
+# Describe your gem and declare its dependencies:
+Gem::Specification.new do |s|
+  s.name = "local"
+  s.version = "0.1.0"
+  s.authors = ["Nixpacks"]
+  s.homepage = ""
+  s.summary = ""
+  s.description = ""
+  s.license = "MIT"
+  s.files = ["lib/local.rb"]
+end

examples/ruby-with-node/app.rb

@@ -1 +1 @@
-puts "Hello from Ruby"
+puts "Hello from Ruby with Node"

src/providers/ruby.rs

@@ -81,7 +81,6 @@ impl RubyProvider {
 
     fn get_install(&self, app: &App) -> Result<Option<Phase>> {
         let mut install = Phase::install(None);
-        install.add_file_dependency("Gemfile*".to_string());
         install.add_cache_directory(BUNDLE_CACHE_DIR.to_string());
 
         install.add_cmd("bundle install".to_string());

tests/docker_run_tests.rs

@@ -645,6 +645,20 @@ fn test_ruby_sinatra() {
     assert!(output.contains("Hello from Sinatra"));
 }
 
+#[test]
+fn test_ruby_node() {
+    let name = simple_build("./examples/ruby-with-node/");
+    let output = run_image(&name, None);
+    assert!(output.contains("Hello from Ruby with Node"));
+}
+
+#[test]
+fn test_ruby_local_deps() {
+    let name = simple_build("./examples/ruby-local-deps/");
+    let output = run_image(&name, None);
+    assert!(output.contains("Hello world from Local lib"));
+}
+
 #[test]
 fn test_ruby_rails() {
     // Create the network

tests/snapshots/generate_plan_tests__ruby.snap

@@ -32,9 +32,6 @@ expression: plan
       "commands": [
         "bundle install"
       ],
-      "onlyIncludeFiles": [
-        "Gemfile*"
-      ],
       "cacheDirectories": [
         "/root/.bundle/cache"
       ],

tests/snapshots/generate_plan_tests__ruby_local_deps.snap

@@ -0,0 +1,54 @@
+---
+source: tests/generate_plan_tests.rs
+expression: plan
+---
+{
+  "nixpacksVersion": "[version]",
+  "buildImage": "[build_image]",
+  "variables": {
+    "BUNDLE_GEMFILE": "/app/Gemfile",
+    "GEM_HOME": "/usr/local/rvm/gems/ruby-3.1.2",
+    "GEM_PATH": "/usr/local/rvm/gems/ruby-3.1.2:/usr/local/rvm/gems/ruby-3.1.2@global"
+  },
+  "phases": [
+    {
+      "name": "setup",
+      "aptPackages": [
+        "procps"
+      ],
+      "commands": [
+        "curl -sSL https://get.rvm.io | bash -s stable && . /etc/profile.d/rvm.sh",
+        "rvm install ruby-3.1.2",
+        "rvm --default use ruby-3.1.2",
+        "gem install bundler:2.3.7",
+        "echo 'source /usr/local/rvm/scripts/rvm' >> /root/.profile"
+      ]
+    },
+    {
+      "name": "install",
+      "dependsOn": [
+        "setup"
+      ],
+      "commands": [
+        "bundle install"
+      ],
+      "cacheDirectories": [
+        "/root/.bundle/cache"
+      ],
+      "paths": [
+        "/usr/local/rvm/rubies/ruby-3.1.2/bin",
+        "/usr/local/rvm/gems/ruby-3.1.2/bin",
+        "/usr/local/rvm/gems/ruby-3.1.2@global/bin"
+      ]
+    },
+    {
+      "name": "build",
+      "dependsOn": [
+        "install"
+      ]
+    }
+  ],
+  "startPhase": {
+    "cmd": "bundle exec ruby app.rb"
+  }
+}

tests/snapshots/generate_plan_tests__ruby_rails_postgres.snap

@@ -19,9 +19,6 @@ expression: plan
       "commands": [
         "bundle install"
       ],
-      "onlyIncludeFiles": [
-        "Gemfile*"
-      ],
       "cacheDirectories": [
         "/root/.bundle/cache"
       ],

tests/snapshots/generate_plan_tests__ruby_sinatra.snap

@@ -32,9 +32,6 @@ expression: plan
       "commands": [
         "bundle install"
       ],
-      "onlyIncludeFiles": [
-        "Gemfile*"
-      ],
       "cacheDirectories": [
         "/root/.bundle/cache"
       ],

tests/snapshots/generate_plan_tests__ruby_with_node.snap

@@ -59,9 +59,6 @@ expression: plan
       "commands": [
         "bundle install"
       ],
-      "onlyIncludeFiles": [
-        "Gemfile*"
-      ],
       "cacheDirectories": [
         "/root/.bundle/cache"
       ],