Revert change of install dir (#393)

spec/integration/install_spec.cr

@@ -41,32 +41,6 @@ describe "install" do
     end
   end
 
-  it "shows warning if legacy path is present" do
-    with_shard(NamedTuple.new) do
-      Dir.mkdir "lib"
-      stdout = run "shards install --no-color"
-      stdout.should contain(%(W: Shards now installs dependencies into the '.crystal/shards' directory. You may move or delete the legacy 'lib' directory.\n))
-    end
-  end
-
-  it "doesn't show warning if both legacy and current install path are present" do
-    with_shard(NamedTuple.new) do
-      Dir.mkdir "lib"
-      Dir.mkdir_p Shards::INSTALL_DIR
-      stdout = run "shards install --no-color"
-      stdout.should eq(%(I: Resolving dependencies\n))
-    end
-  end
-
-  it "doesn't show warning when explicit install path is set" do
-    with_shard(NamedTuple.new) do
-      Dir.mkdir "lib"
-      env = {"SHARDS_INSTALL_PATH" => "foo"}
-      stdout = run "shards install --no-color", env: env
-      stdout.should eq(%(I: Resolving dependencies\n))
-    end
-  end
-
   it "fails when spec is missing" do
     Dir.cd(application_path) do
       ex = expect_raises(FailedCommand) { run "shards install --no-color" }

spec/support/cli.cr

@@ -3,7 +3,6 @@ Spec.before_each do
 
   if File.exists?(path)
     run("rm -rf #{path}/*")
-    run("rm -rf #{path}/.crystal")
     run("rm -rf #{path}/.shards")
   else
     Dir.mkdir_p(path)

src/commands/command.cr

@@ -24,7 +24,6 @@ module Shards
     abstract def run(*args, **kwargs)
 
     def self.run(path, *args, **kwargs)
-      Shards.warn_about_legacy_libs_path
       new(path).run(*args, **kwargs)
     end
 

src/config.cr

@@ -3,7 +3,7 @@ require "./info"
 module Shards
   SPEC_FILENAME = "shard.yml"
   LOCK_FILENAME = "shard.lock"
-  INSTALL_DIR   = ".crystal/shards"
+  INSTALL_DIR   = "lib"
 
   DEFAULT_COMMAND = "install"
   DEFAULT_VERSION = "0"
@@ -57,16 +57,6 @@ module Shards
     @@info ||= Info.new
   end
 
-  def self.warn_about_legacy_libs_path
-    return if ENV["SHARDS_INSTALL_PATH"]?
-
-    legacy_install_path = File.join(Dir.current, "lib")
-
-    if File.exists?(legacy_install_path) && !File.exists?(install_path)
-      Log.warn { "Shards now installs dependencies into the '.crystal/shards' directory. You may move or delete the legacy 'lib' directory." }
-    end
-  end
-
   def self.bin_path
     @@bin_path ||= ENV.fetch("SHARDS_BIN_PATH") { File.join(Dir.current, "bin") }
   end