Merge pull request tweag#118 from tweag/non-quiet

Flip back to verbose output in nixpkgs_package

CHANGELOG.md

@@ -12,6 +12,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/).
 
 - Define `rules_nixpkgs_dependencies` in `//nixpkgs:repositories.bzl`.
 - Define `nixpkgs_go_configure` in `//nixpkgs:toolchains/go.bzl`
+- `nixpkgs_package` now has a `quiet` attribute.
+
+### Changed
+
+- Show Nix output by default, like in releases prior to v0.6.
 
 ## [0.6.0] - 2019-11-14
 

nixpkgs/nixpkgs.bzl

@@ -162,6 +162,7 @@ def _nixpkgs_package_impl(repository_ctx):
             failure_message = "Cannot build Nix attribute '{}'.".format(
                 repository_ctx.attr.attribute_path,
             ),
+            quiet = repository_ctx.attr.quiet,
             timeout = timeout,
         )
         output_path = exec_result.stdout.splitlines()[-1]
@@ -201,6 +202,7 @@ _nixpkgs_package = repository_rule(
         "build_file": attr.label(),
         "build_file_content": attr.string(),
         "nixopts": attr.string_list(),
+        "quiet": attr.bool(),
         "fail_not_supported": attr.bool(default = True, doc = """
             If set to True (default) this rule will fail on platforms which do not support Nix (e.g. Windows). If set to False calling this rule will succeed but no output will be generated.
                                         """),