v2.3.0

Highlights:

• syntax
  • Case clause patterns are no longer forced on a single line
  • Add ExpandBraces, to perform Bash brace expansion on words
  • Improve the handling of backslashes within backquotes
  • Improve the parsing of Bash test regexes
• interp
  • Support $DIRSTACK, ${param[@]#word}, and ${param,word}
• cmd/shfmt
  • Add -d, to display diffs when formatting differs
  • Promote -exp.tojson to -tojson
  • Add Pos and End fields to nodes in -tojson
  • Inline StmtList fields to simplify the -tojson output
  • Support -l on standard input

Binaries built on go version go1.10 linux/amd64.

v2.2.1

Highlights:

• syntax
  • Don't error on ${1:-default}
  • Allow single quotes in ${x['str key']} as well as double quotes
  • Add support for ${!foo[@]}
  • Don't simplify foo[$x] to foo[x], to not break string indexes
  • Fix Stmt.End when the end token is the background operator &
  • Never apply the negation operator ! to && and || lists
  • Apply the background operator & to entire && and || lists
  • Fix StopAt when the stop string is at the beginning of the source
  • In N>word, check that N is a valid numeric literal
  • Fix a couple of crashers found via fuzzing
• cmd/shfmt
  • Don't error if non-bash files can't be written to

Binaries built on go version go1.9.3 linux/amd64.

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.

v2.1.0

Highlights:

• syntax
  • Add Stmts, to parse one statement at a time
  • Walk no longer ignores comments
  • Parameter expansion end fixes, such as $foo.bar
  • Whitespace alignment can now be kept - see KeepPadding
  • Introduce an internal newline token to simplify the parser
  • Fix Block.Pos to actually return the start position
  • Fix mishandling of inline comments in two edge cases
• interp
  • Expose Fields to expand words into strings
  • First configurable modules - cmds and files
  • Add support for the new TimeClause
  • Add support for namerefs and readonly vars
  • Add support for associative arrays (maps)
  • More sh builtins: exec return
  • More bash builtins: command pushd popd dirs
  • More test operators: -b -c -t -o
  • Configurable kill handling - see KillTimeout
• cmd/shfmt
  • Add -f to just list all the shell files found
  • Add -kp to keep the column offsets in place
• cmd/gosh
  • Now supports a basic interactive mode

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

v2.0.0

Highlights:

• The package import paths were moved to mvdan.cc/sh/...
• syntax
  • Parser and Printer structs introduced with functional options
  • Node positions are now independent - Position merged into Pos
  • All comments are now attached to nodes
  • Support mksh - MirBSD's Korn Shell, used in Android
  • Various changes to the AST:
    • EvalClause removed; eval is no longer parsed as a keyword
    • Add support for Bash's time and select
    • Merge UntilClause into WhileClause
    • Moved Stmt.Assigns to CallExpr.Assigns
    • Remove Elif - chain IfClause nodes instead
  • Support for indexed assignments like a[i]=b
  • Allow expansions in arithmetic expressions again
  • Unclosed heredocs now produce an error
  • Binary ops are kept in the same line - see BinaryNextLine
  • Switch cases are not indented by default - see SwitchCaseIndent
• cmd/shfmt
  • Add -s, which simplifies programs via syntax.Simplify
  • Add -ln <lang>, like -ln mksh
  • Add -bn to put binary ops in the next line, like in v1
  • Add -ci to indent switch cases, like in v1
• interp
  • Some progress made, though still experimental
  • Most of POSIX done - some builtins remain to be done

Binaries built on go version go1.8.3 linux/amd64.

v2.0-beta1

See #144.

v1.3.1

Highlights:

• syntax
  • Fix parsing of ${foo[$bar]}
  • Fix printer regression where > >(foo) would be turned into >>(foo)
  • Break comment alignment on any line without a comment, fixing formatting issues
  • Error on keywords like fi and done used as commands

Binaries built on go version go1.8.3 linux/amd64.

v1.3.0

Highlights:

• syntax
  • Fix backslashes in backquote command substitutions
  • Disallow some test expressions like [[ a == ! b ]]
  • Disallow some parameter expansions like ${$foo}
  • Disallow some arithmetic expressions like ((1=3)) and (($(echo 1 + 2)))
  • Binary commands like &&, || and pipes are now left-associative
• fileutil
  • CouldBeScript may now return true on non-regular files such as symlinks
• interp
  • New experimental package to interpret a syntax.File in pure Go

Binaries built on go version go1.8.1 linux/amd64.

v1.2.0

Highlights:

• syntax
  • Add support for escaped characters in bash regular expressions
• fileutil
  • New package with some code moved from cmd/shfmt, now importable
  • New funcs HasShebang and CouldBeScript
  • Require shebangs to end with whitespace to reject #!/bin/shfoo

Binaries built on go version go1.8 linux/amd64.

v1.1.0

Highlights:

• syntax
  • Parse [[ a = b ]] like [[ a == b ]], deprecating TsAssgn in favour of TsEqual
  • Add support for the -k, -G, -O and -N unary operators inside [[ ]]
  • Add proper support for ! in parameter expansions, like ${!foo}
  • Fix a couple of crashes found via fuzzing
• cmd/shfmt
  • Rewrite [[ a = b ]] into the saner [[ a == b ]] (see above)

Binaries built on go version devel +a2b615d527 Thu Jan 5 15:37:37 2017 +0000 linux/amd64.