Scan Conan projects

* Scan the conan examples project
* Split licenses by comma
* Add integration test job for c projects
* Add package_manager, version and path to v2.1 report
* Detect collisions between names from different package managers
* Add CHANGELOG entry
* Update README to indicate Conan support
* Print timestamps in install script

11 files changed, 100 insertions, 17 deletions

diff --git a/lib/license/finder/ext.rb b/lib/license/finder/ext.rb
index 3c56c7a..8d76172 100644
--- a/lib/license/finder/ext.rb
+++ b/lib/license/finder/ext.rb
@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 require 'license/finder/ext/bower'
+require 'license/finder/ext/conan'
+require 'license/finder/ext/dependency'
 require 'license/finder/ext/go_modules'
 require 'license/finder/ext/gradle'
 require 'license/finder/ext/license'
diff --git a/lib/license/finder/ext/bower.rb b/lib/license/finder/ext/bower.rb
index d288b05..2219b18 100644
--- a/lib/license/finder/ext/bower.rb
+++ b/lib/license/finder/ext/bower.rb
@@ -34,14 +34,16 @@ module LicenseFinder
       meta = bower_module.fetch('pkgMeta', {})
       endpoint = bower_module.fetch('endpoint', {})
 
-      Package.new(
+      Dependency.new(
+        'Bower',
         meta['name'] || endpoint['name'],
         meta['version'] || endpoint['target'],
-        summary: meta['description'],
         description: meta['readme'],
+        detection_path: detected_package_path,
         homepage: meta['homepage'],
+        install_path: bower_module['canonicalDir'],
         spec_licenses: Package.license_names_from_standard_spec(meta),
-        install_path: bower_module['canonicalDir']
+        summary: meta['description']
       )
     end
 
diff --git a/lib/license/finder/ext/conan.rb b/lib/license/finder/ext/conan.rb
new file mode 100644
index 0000000..1369e6a
--- /dev/null
+++ b/lib/license/finder/ext/conan.rb
@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+module LicenseFinder
+  class Conan
+    def possible_package_paths
+      [project_path.join('conanfile.txt')]
+    end
+
+    def current_packages
+      Dir.chdir(project_path) do
+        shell.execute([:conan, :install, '.'])
+      end
+      stdout, _stderr, status = Dir.chdir(project_path) do
+        shell.execute([:conan, :info, '-j', '/dev/stdout', '.'])
+      end
+      return [] unless status.success?
+
+      parse(stdout.lines[0]).map { |dependency| map_from(dependency) }.compact
+    end
+
+    private
+
+    def extract_name_version_from(name)
+      name.split('@', 2).first.split('/', 2)
+    end
+
+    def map_from(dependency)
+      name, version = extract_name_version_from(dependency['reference'])
+      return if name == 'conanfile.txt'
+
+      Dependency.new('Conan', name, version, spec_licenses: licenses_for(dependency), detection_path: detected_package_path)
+    end
+
+    def licenses_for(dependency)
+      dependency['license']
+    end
+
+    def parse(line)
+      JSON.parse(line)
+    end
+  end
+end
diff --git a/lib/license/finder/ext/dependency.rb b/lib/license/finder/ext/dependency.rb
new file mode 100644
index 0000000..48939bf
--- /dev/null
+++ b/lib/license/finder/ext/dependency.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+module LicenseFinder
+  class Dependency < Package
+    attr_accessor :detection_path, :package_manager
+
+    def initialize(package_manager, name, version, options = {})
+      @package_manager = package_manager
+      @detection_path = options[:detection_path] || Pathname.pwd
+      super(name, version, options)
+    end
+
+    def self.from(other, detection_path)
+      new(
+        other.package_manager,
+        other.name,
+        other.version,
+        description: other.description,
+        detection_path: detection_path,
+        homepage: other.homepage,
+        install_path: other.install_path,
+        spec_licenses: other.license_names_from_spec,
+        summary: other.summary
+      )
+    end
+  end
+end
diff --git a/lib/license/finder/ext/go_modules.rb b/lib/license/finder/ext/go_modules.rb
index 3b9042e..e2f025f 100644
--- a/lib/license/finder/ext/go_modules.rb
+++ b/lib/license/finder/ext/go_modules.rb
@@ -8,7 +8,7 @@ module LicenseFinder
     end
 
     def active?
-      Dir[project_path.join('go.sum')].any?
+      sum_files.any?
     end
 
     def current_packages
@@ -20,6 +20,10 @@ module LicenseFinder
 
     private
 
+    def sum_files
+      Pathname.glob(project_path.join('go.sum'))
+    end
+
     def go_list_command
       [:go, :list, '-m', '-f', "'{{.Path}},{{.Version}},{{.Dir}}'", :all]
     end
@@ -33,7 +37,7 @@ module LicenseFinder
       return if dir.nil?
       return if Pathname(dir).cleanpath == absolute_project_path
 
-      Package.new(name, version, install_path: dir)
+      Dependency.new('Go', name, version, install_path: dir, detection_path: sum_files.find(&:exist?))
     end
   end
 end
diff --git a/lib/license/finder/ext/gradle.rb b/lib/license/finder/ext/gradle.rb
index 3357042..8328300 100644
--- a/lib/license/finder/ext/gradle.rb
+++ b/lib/license/finder/ext/gradle.rb
@@ -44,7 +44,7 @@ module LicenseFinder
     end
 
     def map_from(hash)
-      GradlePackage.new(hash, include_groups: @include_groups)
+      Dependency.from(GradlePackage.new(hash, include_groups: @include_groups), detected_package_path)
     end
   end
 end
diff --git a/lib/license/finder/ext/maven.rb b/lib/license/finder/ext/maven.rb
index 159f9f9..d6a08dc 100644
--- a/lib/license/finder/ext/maven.rb
+++ b/lib/license/finder/ext/maven.rb
@@ -38,7 +38,7 @@ module LicenseFinder
       ::License::Management.logger.debug(xml)
       XmlSimple
         .xml_in(xml, XML_PARSE_OPTIONS)['dependencies']
-        .map { |dependency| MavenPackage.new(dependency) }
+        .map { |dependency| Dependency.from(MavenPackage.new(dependency), detected_package_path) }
     end
   end
 end
diff --git a/lib/license/finder/ext/npm.rb b/lib/license/finder/ext/npm.rb
index 48741f9..e0d4e41 100644
--- a/lib/license/finder/ext/npm.rb
+++ b/lib/license/finder/ext/npm.rb
@@ -3,7 +3,9 @@
 module LicenseFinder
   class NPM
     def current_packages
-      NpmPackage.packages_from_json(npm_json, detected_package_path)
+      NpmPackage.packages_from_json(npm_json, detected_package_path).map do |item|
+        Dependency.from(item, detected_package_path)
+      end
     end
 
     def prepare_command
diff --git a/lib/license/finder/ext/pip.rb b/lib/license/finder/ext/pip.rb
index 596cd4c..bdeffc3 100644
--- a/lib/license/finder/ext/pip.rb
+++ b/lib/license/finder/ext/pip.rb
@@ -5,7 +5,7 @@ module LicenseFinder
     def current_packages
       return legacy_results unless virtual_env?
 
-      dependencies = python.pip_licenses
+      dependencies = python.pip_licenses(detection_path: detected_package_path)
       dependencies.any? ? dependencies : legacy_results
     end
 
@@ -58,10 +58,12 @@ module LicenseFinder
     def legacy_results
       pip_output.map do |name, version, _children, _location|
         spec = PyPI.definition(name, version)
-        Package.new(
+        Dependency.new(
+          'Pip',
           name,
           version,
           description: spec['description'],
+          detection_path: detected_package_path,
           homepage: spec['home_page'],
           spec_licenses: PipPackage.license_names_from_spec(spec)
         )
diff --git a/lib/license/finder/ext/pipenv.rb b/lib/license/finder/ext/pipenv.rb
index 17b7391..687c6fc 100644
--- a/lib/license/finder/ext/pipenv.rb
+++ b/lib/license/finder/ext/pipenv.rb
@@ -12,7 +12,7 @@ module LicenseFinder
     def current_packages
       return legacy_results unless pipfile?
 
-      python.pip_licenses
+      python.pip_licenses(detection_path: detected_package_path)
     end
 
     private
diff --git a/lib/license/finder/ext/yarn.rb b/lib/license/finder/ext/yarn.rb
index f9187ce..4ad97d4 100644
--- a/lib/license/finder/ext/yarn.rb
+++ b/lib/license/finder/ext/yarn.rb
@@ -54,13 +54,11 @@ module LicenseFinder
     end
 
     def map_from(hash)
-      name = hash['Name']
-
-      YarnPackage.new(
-        name,
+      build(
+        hash['Name'],
         hash['Version'],
         spec_licenses: [hash['License']],
-        install_path: install_path_for(name).to_s,
+        install_path: install_path_for(hash['Name']).to_s,
         homepage: hash['VendorUrl']
       )
     end
@@ -88,7 +86,11 @@ module LicenseFinder
       matches = json['data'].to_s.match(INCOMPATIBLE_PACKAGE_REGEX)
       return [] unless matches
 
-      [YarnPackage.new(matches['name'], matches['version'], spec_licenses: ['unknown'])]
+      [build(matches['name'], matches['version'], spec_licenses: ['unknown'])]
+    end
+
+    def build(name, version, options = {})
+      Dependency.new('Yarn', name, version, options.merge(detection_path: detected_package_path))
     end
 
     def default_env