Initial commit

diff --git a/pkgs/pubspec_parse/.gitignore b/pkgs/pubspec_parse/.gitignore
new file mode 100644
index 0000000..ec8eae3
--- /dev/null
+++ b/pkgs/pubspec_parse/.gitignore

@@ -0,0 +1,4 @@
+# Don’t commit the following directories created by pub.
+.dart_tool/
+.packages
+pubspec.lock

diff --git a/pkgs/pubspec_parse/README.md b/pkgs/pubspec_parse/README.md
new file mode 100644
index 0000000..b355cef
--- /dev/null
+++ b/pkgs/pubspec_parse/README.md

@@ -0,0 +1,5 @@
+## Features and bugs
+
+Please file feature requests and bugs at the [issue tracker].
+
+[issue tracker]: https://github.com/dart-lang/pubspec_parse/issues

diff --git a/pkgs/pubspec_parse/analysis_options.yaml b/pkgs/pubspec_parse/analysis_options.yaml
new file mode 100644
index 0000000..8521d7b
--- /dev/null
+++ b/pkgs/pubspec_parse/analysis_options.yaml

@@ -0,0 +1,76 @@
+analyzer:
+  strong-mode:
+    implicit-casts: false
+  errors:
+    dead_code: error
+    override_on_non_overriding_method: error
+    unused_element: error
+    unused_import: error
+    unused_local_variable: error
+linter:
+  rules:
+    - annotate_overrides
+    - avoid_empty_else
+    - avoid_function_literals_in_foreach_calls
+    - avoid_init_to_null
+    - avoid_null_checks_in_equality_operators
+    - avoid_renaming_method_parameters
+    - avoid_return_types_on_setters
+    - avoid_returning_null
+    - avoid_types_as_parameter_names
+    - avoid_unused_constructor_parameters
+    - await_only_futures
+    - camel_case_types
+    - cancel_subscriptions
+    #- cascade_invocations
+    - comment_references
+    - constant_identifier_names
+    - control_flow_in_finally
+    - directives_ordering
+    - empty_catches
+    - empty_constructor_bodies
+    - empty_statements
+    - hash_and_equals
+    - implementation_imports
+    - invariant_booleans
+    - iterable_contains_unrelated_type
+    - library_names
+    - library_prefixes
+    - list_remove_unrelated_type
+    - no_adjacent_strings_in_list
+    - no_duplicate_case_values
+    - non_constant_identifier_names
+    - omit_local_variable_types
+    - only_throw_errors
+    - overridden_fields
+    #- package_api_docs
+    - package_names
+    - package_prefixed_library_names
+    - prefer_adjacent_string_concatenation
+    - prefer_collection_literals
+    - prefer_conditional_assignment
+    - prefer_const_constructors
+    - prefer_contains
+    - prefer_final_fields
+    - prefer_initializing_formals
+    - prefer_interpolation_to_compose_strings
+    - prefer_is_empty
+    - prefer_is_not_empty
+    - prefer_single_quotes
+    - prefer_typing_uninitialized_variables
+    - recursive_getters
+    - slash_for_doc_comments
+    - super_goes_last
+    - test_types_in_equals
+    - test_types_in_equals
+    - throw_in_finally
+    - type_init_formals
+    - unawaited_futures
+    - unnecessary_brace_in_string_interps
+    - unnecessary_getters_setters
+    - unnecessary_lambdas
+    - unnecessary_null_aware_assignments
+    - unnecessary_statements
+    - unnecessary_this
+    - unrelated_type_equality_checks
+    - valid_regexps