Fix: constants are now always resolved first

This change in crystal caused the test suite to use the default
`.shards` and `libs` folders instead of the specified ones in the
`test` folder.

src/commands/prune.cr

@@ -8,13 +8,13 @@ module Shards
  return unless lockfile?
  locks = Lock.from_file(lockfile_path)
 
- Dir[File.join(INSTALL_PATH, "*")].each do |path|
+ Dir[File.join(Shards.install_path, "*")].each do |path|
  next unless Dir.exists?(path)
  name = File.basename(path)
 
  if locks.none? { |d| d.name == name }
  FileUtils.rm_rf(path)
- Shards.logger.info "Pruned #{File.join(File.basename(INSTALL_PATH), name)}"
+ Shards.logger.info "Pruned #{File.join(File.basename(Shards.install_path), name)}"
  end
  end
  end

src/config.cr

@@ -2,12 +2,23 @@ module Shards
  SPEC_FILENAME = "shard.yml"
  LOCK_FILENAME = "shard.lock"
 
- CACHE_DIRECTORY = ENV["SHARDS_CACHE_PATH"]? || File.join(Dir.current, ".shards")
- INSTALL_PATH = ENV["SHARDS_INSTALL_PATH"]? || File.join(Dir.current, "libs")
-
  DEFAULT_COMMAND = "install"
  DEFAULT_VERSION = "0"
 
+ def self.cache_path
+ @@cache_path ||= ENV.fetch("SHARDS_CACHE_PATH", File.join(Dir.current, ".shards"))
+ end
+
+ def self.cache_path=(@@cache_path : String)
+ end
+
+ def self.install_path
+ @@install_path ||= ENV.fetch("SHARDS_INSTALL_PATH", File.join(Dir.current, "libs"))
+ end
+
+ def self.install_path=(@@install_path : String)
+ end
+
  @@production = false
 
  def self.production?

src/resolvers/git.cr

@@ -107,11 +107,11 @@ module Shards
  end
 
  def sha1_path
- File.join(CACHE_DIRECTORY, "#{ dependency.name }.sha1")
+ File.join(Shards.cache_path, "#{ dependency.name }.sha1")
  end
 
  def local_path
- File.join(CACHE_DIRECTORY, dependency.name)
+ File.join(Shards.cache_path, dependency.name)
  end
 
  def git_url
@@ -177,7 +177,7 @@ module Shards
  end
 
  private def clone_repository
- Dir.mkdir_p(CACHE_DIRECTORY) unless Dir.exists?(CACHE_DIRECTORY)
+ Dir.mkdir_p(Shards.cache_path) unless Dir.exists?(Shards.cache_path)
  run "git clone --mirror --quiet -- #{FileUtils.escape git_url} #{dependency.name}",
  path: File.dirname(local_path)
  rescue Error

src/resolvers/resolver.cr

@@ -45,7 +45,7 @@ module Shards
  end
 
  protected def install_path
- File.join(INSTALL_PATH, dependency.name)
+ File.join(Shards.install_path, dependency.name)
  end
 
  protected def cleanup_install_directory

test/test_helper.cr

@@ -1,12 +1,11 @@
 require "minitest/autorun"
-
-ENV["SHARDS_CACHE_PATH"] = File.expand_path("../.shards", __FILE__)
-ENV["SHARDS_INSTALL_PATH"] = File.expand_path("../.libs", __FILE__)
-
 require "../src/config"
 require "../src/logger"
 require "../src/manager"
 
+Shards.cache_path = File.join(__DIR__, ".shards")
+Shards.install_path = File.join(__DIR__, ".libs")
+
 require "./support/factories"
 require "./support/mock_resolver"
 
@@ -22,11 +21,11 @@ class Minitest::Test
 
  def clear_repositories
  run "rm -rf #{ tmp_path }/*"
- run "rm -rf #{ Shards::CACHE_DIRECTORY }/*"
- run "rm -rf #{ Shards::INSTALL_PATH }/*"
+ run "rm -rf #{ Shards.cache_path }/*"
+ run "rm -rf #{ Shards.install_path }/*"
  end
 
  def install_path(project, *path_names)
- File.join(Shards::INSTALL_PATH, project, *path_names)
+ File.join(Shards.install_path, project, *path_names)
  end
 end