From 1d790de19cc8357c29bfb87ab4729c25c49b624e Mon Sep 17 00:00:00 2001
From: chick
Date: Fri, 14 Aug 2020 10:31:52 -0700
Subject: Add control files for scala-fmt

- .scalafmt.conf  formatting rules
- .travs.yml      adds test that files are formatted to pass CI
- .plugins.sbt    add plugin for scalafmt
---
 .scalafmt.conf      | 26 ++++++++++++++++++++++++++
 .travis.yml         |  6 ++++++
 project/plugins.sbt |  2 ++
 3 files changed, 34 insertions(+)
 create mode 100644 .scalafmt.conf

diff --git a/.scalafmt.conf b/.scalafmt.conf
new file mode 100644
index 00000000..f74e5504
--- /dev/null
+++ b/.scalafmt.conf
@@ -0,0 +1,26 @@
+version = 2.6.4
+
+maxColumn = 120
+align = most
+continuationIndent.defnSite = 2
+assumeStandardLibraryStripMargin = true
+docstrings = ScalaDoc
+lineEndings = preserve
+includeCurlyBraceInSelectChains = false
+danglingParentheses = true
+
+align.tokens.add = [
+  {
+    code = ":"
+  }
+]
+
+newlines.alwaysBeforeCurlyBraceLambdaParams = false
+newlines.alwaysBeforeMultilineDef = false
+newlines.implicitParamListModifierForce = [before]
+
+verticalMultiline.atDefnSite = true
+
+optIn.annotationNewlines = true
+
+rewrite.rules = [SortImports, PreferCurlyFors, AvoidInfix]
diff --git a/.travis.yml b/.travis.yml
index 9163efa4..424d60c7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -58,6 +58,12 @@ jobs:
             - utils/bin/firrtl.jar
             - project/project/
             - project/target/
+    - stage: test
+      name: "All files must be formatted with scalafmt"
+      workspaces:
+        use: firrtl_build
+      script:
+        - sbt scalafmtCheck
     - stage: test
       name: "Unidoc builds (no warnings)"
       workspaces:
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 45d9425a..fb530385 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -22,4 +22,6 @@ addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.9.19")
 
 addSbtPlugin("com.thoughtworks.sbt-api-mappings" % "sbt-api-mappings" % "3.0.0")
 
+addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.4.0")
+
 libraryDependencies += "com.github.os72" % "protoc-jar" % "3.11.4"
-- 
cgit v1.2.3