scalafix 0.5.2-62-95d69c47-20171010-1852
Usage: scalafix [options] [<file>...]
  --usage  
        Print usage and exit
  --help | -h  
        Print help message and exit
  --version | -v  
        Print version number and exit
  --verbose  
        If set, print out debugging inforation to stderr.
  --config | -c  <.scalafix.conf>
        File path to a .scalafix.conf configuration file.
  --config-str | -c  <imports.organize=false>
        String representing scalafix configuration
  --sourceroot  </foo/myproject>
        Absolute path passed to semanticdb with
	-P:semanticdb:sourceroot:<path>. Relative filenames persisted in the
	Semantic DB are absolutized by the sourceroot. Defaults to current
	working directory if not provided.
  --classpath  <entry1.jar:entry2.jar:target/scala-2.12/classes>
        java.io.File.pathSeparator separated list of directories or jars
	containing '.semanticdb' files. The 'semanticdb' files are emitted by
	the semanticdb-scalac compiler plugin and are necessary for semantic
	rules like ExplicitResultTypes to function.
  --classpath-auto-roots  <target:project/target>
        Automatically infer --classpath starting from these directories.
	Ignored if --classpath is provided.
  --no-strict-semanticdb  
        Disable validation when loading semanticdb files.
  --rules | -r  <ProcedureSyntax OR file:LocalFile.scala OR scala:full.Name OR https://gist.com/.../Rule.scala>
        Scalafix rules to run.
  --stdout  
        If set, print fix to stdout instead of writing to file.
  --test  
        Exit non-zero code if files have not been fixed. Won't write to files.
  --out-from  </shared/>
        Regex that is passed as first argument to
	fileToFix.replaceAll(outFrom, outTo)
  --out-to  </custom/>
        Replacement string that is passed as second argument to
	fileToFix.replaceAll(outFrom, outTo)
  --exclude  <core Foobar.scala>
        Space separated list of regexes to exclude which files to fix. If a
	file match one of the exclude regexes, then it will not get fixed.
	Defaults to excluding no files.
  --single-thread  
        If true, run on single thread. If false (default), use all available
	cores
  --no-sys-exit  
        If true, does not sys.exit at the end. Useful for example in
	sbt-scalafix
  --quiet-parse-errors  
        Don't report parse errors for non-explictly passed filepaths.
  --bash  
        Print out bash completion file for scalafix. To install on scalafix
	--bash > /usr/local/etc/bash_completion.d/scalafix # Mac scalafix
	--bash > /etc/bash_completion.d/scalafix # Linux
  --zsh  
        Print out zsh completion file for scalafix. To install: scalafix --zsh
	> /usr/local/share/zsh/site-functions/_scalafix
  --non-interactive  
        Don't use fancy progress bar.
  --project-id  <value>
        String ID to prefix reported messages with
Available rules: DottyKeywords, NoValInForComprehension, RemoveXmlLiterals, VolatileLazyVal, ProcedureSyntax, ExplicitUnit, DottyVolatileLazyVal, DottyVarArgPattern, NoInfer, Sbt1, ExplicitResultTypes, ExplicitReturnTypes, RemoveUnusedImports, RemoveUnusedTerms, NoAutoTupling, Disable

NOTE. The command line tool is mostly intended to be invoked programmatically
from build-tool integrations such as sbt-scalafix. The necessary fixture to run
semantic rules is tricky to setup manually.

Scalafix chooses which files to fix according to the following rules:
- scalafix <directory> <rule> finds *.scala files in <directory>
- when <rule> is semantic
  - if --classpath and --sourceroot are provided, then those are used to find .semanticdb files
  - otherwise, Scalafix will automatically look for META-INF/semanticdb directories from the
    current working directory.

Examples (semantic):
  $ scalafix # automatically finds .semanticdb files and runs rule configured in .scalafix.conf.
  $ scalafix <directory> # same as above except only run on files in <directory>
  $ scalafix --rules RemoveUnusedImports # same as above but run RemoveUnusedImports.
  $ scalafix --classpath <foo.jar:target/classes> # explicitly pass classpath, --sourceroot is cwd.
  $ scalafix --classpath <foo.jar:target/classes> --sourceroot <directory>
  $ cat .scalafix.conf
  rules = [ProcedureSyntax]
  $ scalafix Code.scala # Same as --rules ProcedureSyntax

Exit status codes:
 Ok=0
 UnexpectedError=1
 ParseError=2
 ScalafixError=4
 InvalidCommandLineOption=8
 MissingSemanticApi=16
 StaleSemanticDB=32
 TestFailed=64
 LinterError=128