v2.2.0

Highlights:

• Tests on Mac and Windows are now ran as part of CI
• syntax
  • Add StopAt to stop lexing at a custom arbitrary token
  • Add TranslatePattern and QuotePattern for pattern matching
  • Minification support added to the printer - see Minify
  • Add ParamExp.Names to represent ${!prefix*}
  • Add TimeClause.PosixFormat for its -p flag
  • Fix parsing of assignment values containing =
  • Fix parsing of parameter expansions followed by a backslash
  • Fix quotes in parameter expansion operators like ${v:-'def'}
  • Fix parsing of negated declare attributes like declare +x name
  • Fix parsing of ${#@}
  • Reject bad parameter expansion operators like ${v@WRONG}
  • Reject inline array variables like a=(b c) prog
  • Reject indexing of special vars like ${1[3]}
  • Reject ${!name} when in POSIX mode
  • Reject multiple parameter expansion actions like ${#v:-def}
• interp
  • Add Bash brace expansion support, including {a,b} and {x..y}
  • Pattern matching actions are more correct and precise
  • Exported some Runner internals, including Vars and Funcs
  • Use the interpreter's $PATH to find binaries
  • Roll our own globbing to use our own pattern matching code
  • Support the getopts sh builtin
  • Support the read bash builtin
  • Numerous changes to improve Windows support
• shell
  • New experimental package with high-level utility functions
  • Add SourceFile to get the variables declared in a script
  • Add SourceNode as a lower-level version of the above
• cmd/shfmt
  • Add -mn, which minifies programs via syntax.Minify

Binaries built on go version go1.9.2 linux/amd64.