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.

v1.0.0

Highlights:

• syntax
  • Stable release, API now frozen
  • Parse now reads input in chunks of 1KiB
• cmd/shfmt
  • Add -version flag

Binaries built on go version devel +3fb1e0b Tue Dec 13 13:42:41 2016 +0000 linux/amd64.

v0.6.0

Highlights:

• syntax
  • Parse now takes an io.Reader instead of []byte
  • Invalid UTF-8 is now reported as an error
  • Remove backtracking for $(( and ((
  • Walk now takes a func literal to simplify its use

Binaries built on go version devel +ed0b232 Mon Dec 5 03:53:56 2016 +0000 linux/amd64.

v0.5.0

Highlights:

• cmd/shfmt
  • Remove -cpuprofile
  • Don't read entire files into memory to check for a shebang
• syntax
  • Use uint32 for tokens and positions in nodes
  • Use Word and Lit pointers consistently instead of values
  • Ensure Word.Parts is never empty
  • Add support for expressions in array indexing and parameter expansion slicing

Binaries built on go version devel +a2bd5c5 Thu Nov 24 03:48:45 2016 +0000 linux/amd64.