Add a changelog
This commit is contained in:
Vidar Holen
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## Latest - ???
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### Added
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- Statically linked binaries for Linux and Windows (see README.md)!
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- `-a` flag to also include warnings in `source`d files
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- SC2221/SC2222: Warn about overridden case branches
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- SC2220: Warn about unhandled error cases in getopt loops
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- SC2218: Warn when using functions before they're defined
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- SC2216/SC2217: Warn when piping/redirecting to mv/cp and other non-readers
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- SC2215: Warn about commands starting with leading dash
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- SC2214: Warn about superfluous getopt flags
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- SC2213: Warn about unhandled getopt flags
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- SC2212: Suggest `false` over `[ ]`
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- SC2211: Warn when using a glob as a command name
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- SC2210: Warn when redirecting to an integer, e.g. `foo 1>2`
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- SC2206/SC2207: Suggest alternatives when using word splitting in arrays
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- SC1117: Warn about double quoted, undefined backslash sequences
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- SC1113/SC1114/SC1115: Recognized more malformed shebangs
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### Fixed
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- `[ -v foo ]` no longer warns if `foo` is undefined
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- SC2037 is now suppressed by quotes, e.g. `PAGER="cat" man foo`
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- Ksh nested array declarations now parse correctly
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- Parameter Expansion without colons are now recognized, e.g. `${foo+bar}`
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- The `lastpipe` option is now respected with regard to subshell warnings
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- `\(` is now respected for grouping in `[`
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- Leading `\` is now ignored for commands, to allow alias suppression
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- Comments are now allowed after directives to e.g. explain 'disable'
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## v0.4.6 - 2017-03-26
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### Added
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- SC2204/SC2205: Warn about `( -z foo )` and `( foo -eq bar )`
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- SC2200/SC2201: Warn about brace expansion in [/[[
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- SC2198/SC2199: Warn about arrays in [/[[
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- SC2196/SC2197: Warn about deprected egrep/fgrep
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- SC2195: Warn about unmatchable case branches
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- SC2194: Warn about constant 'case' statements
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- SC2193: Warn about `[[ file.png == *.mp3 ]]` and other unmatchables
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- SC2188/SC2189: Warn about redirections without commands
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- SC2186: Warn about deprecated `tempfile`
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- SC1109: Warn when finding `&`/`>`/`<` unquoted
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- SC1108: Warn about missing spaces in `[ var= foo ]`
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### Changed
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- All files are now read as UTF-8 with lenient latin1 fallback, ignoring locale
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- Unicode quotes are no longer considered syntactic quotes
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- `ash` scripts will now be checked as `dash` with a warning
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### Fixed
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- `-c` no longer suggested when using `grep -o | wc`
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- Comments and whitespace are now allowed before filewide directives
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- Here doc delimters with esoteric quoting like `foo""` are now handled
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- SC2095 about `ssh` in while read loops is now suppressed when using `-n`
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- `%(%Y%M%D)T` now recognized as a single formatter in `printf` checks
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- `grep -F` now suppresses regex related suggestions
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- Command name checks now recognize busybox applet names
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## v0.4.5 - 2016-10-21
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### Added
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- A Docker build (thanks, kpankonen!)
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- SC2185: Suggest explicitly adding path for `find`
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- SC2184: Warn about unsetting globs (e.g. `unset foo[1]`)
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- SC2183: Warn about `printf` with more formatters than variables
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- SC2182: Warn about ignored arguments with `printf`
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- SC2181: Suggest using command directly instead of `if [ $? -eq 0 ]`
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- SC1106: Warn when using `test` operators in `(( 1 -eq 2 ))`
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### Changed
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- Unrecognized directives now causes a warning rather than parse failure.
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### Fixed
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- Indices in associative arrays are now parsed correctly
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- Missing shebang warning squashed when specifying with a directive
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- Ksh multidimensional arrays are now supported
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- Variables in substring ${a:x:y} expansions now count as referenced
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- SC1102 now also handles ambiguous `$((`
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- Using `$(seq ..)` will no longer suggest quoting
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- SC2148 (missing shebang) is now suppressed when using shell directives
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- `[ a '>' b ]` is now recognized as being correctly escaped
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## v0.4.4 - 2016-05-15
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### Added
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- Haskell Stack support (thanks, Arguggi!)
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- SC2179/SC2178: Warn when assigning/appending strings to arrays
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- SC1102: Warn about ambiguous `$(((`
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- SC1101: Warn when \\ linebreaks have trailing spaces
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### Changed
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- Directives directly after the shebang now apply to the entire file
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### Fixed
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- `{$i..10}` is now flagged similar to `{1..$i}`
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## v0.4.3 - 2016-01-13
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### Fixed
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- Build now works on GHC 7.6.3 as found on Debian Stable/Ubuntu LTS
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## v0.4.2 - 2016-01-09
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### Added
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- First class support for the `dash` shell
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- The `--color` flag similar to ls/grep's (thanks, haguenau!)
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- SC2174: Warn about unexpected behavior of `mkdir -pm` (thanks, eatnumber1!)
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- SC2172: Warn about non-portable use of signal numbers in `trap`
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- SC2171: Warn about `]]` without leading `[[`
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- SC2168: Warn about `local` outside functions
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### Fixed
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- Warnings about unchecked `cd` will no longer trigger with `set -e`
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- `[ a -nt/-ot/-ef b ]` no longer warns about being constant
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- Quoted test operators like `[ foo "<" bar ]` now parse
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- Escaped quotes in backticks now parse correctly
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## v0.4.1 - 2015-09-05
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### Fixed
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- Added missing files to Cabal, fixing the build
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## v0.4.0 - 2015-09-05
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### Added
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- Support for following `source`d files
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- Support for setting default flags in `SHELLCHECK_OPTS`
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- An `--external-sources` flag for following arbitrary `source`d files
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- A `source` directive to override the filename to `source`
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- SC2166: Suggest using `[ p ] && [ q ]` over `[ p -a q ]`
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- SC2165: Warn when nested `for` loops use the same variable name
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- SC2164: Warn when using `cd` without checking that it succeeds
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- SC2163: Warn about `export $var`
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- SC2162: Warn when using `read` without `-r`
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- SC2157: Warn about `[ "$var " ]` and similar never-empty string matches
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### Fixed
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- `cat -vnE file` and similar will no longer flag as UUOC
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- Nested trinary operators in `(( ))` now parse correctly
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- Ksh `${ ..; }` command expansions now parse
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## v0.3.8 - 2015-06-20
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### Changed
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- ShellCheck's license has changed from AGPLv3 to GPLv3.
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### Added
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- SC2156: Warn about injecting filenames in `find -exec sh -c "{}" \;`
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### Fixed
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- Variables and command substitutions in brace expansions are now parsed
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- ANSI colors are now disabled on Windows
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- Empty scripts now parse
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## v0.3.7 - 2015-04-16
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### Fixed
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- Build now works on GHC 7.10
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- Use `regex-tdfa` over `regex-compat` since the latter crashes on OS X.
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## v0.3.6 - 2015-03-28
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### Added
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- SC2155: Warn about masked return values in `export foo=$(exit 1)`
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- SC2154: Warn when a lowercase variable is referenced but not assigned
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- SC2152/SC2151: Warn about bad `return` values like `1234` and `"foo"`
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- SC2150: Warn about `find -exec "shell command" \;`
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### Fixed
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- `coproc` is now supported
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- Trinary operator now recognized in `((..))`
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### Removed
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- Zsh support has been removed
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## v0.3.5 - 2014-11-09
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### Added
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- SC2148: Warn when not including a shebang
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- SC2147: Warn about literal ~ in PATH
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- SC1086: Warn about `$` in for loop variables, e.g. `for $i in ..`
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- SC1084: Warn when the shebang uses `!#` instead of `#!`
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### Fixed
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- Empty and comment-only backtick expansions now parse
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- Variables used in PS1/PROMPT\_COMMAND/trap now count as referenced
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- ShellCheck now skips unreadable files and directories
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- `-f gcc` on empty files no longer crashes
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- Variables in $".." are now considered quoted
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- Warnings about expansions in single quotes now include backticks
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## v0.3.4 - 2014-07-08
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### Added
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- SC2146: Warn about precedence when combining `find -o` with actions
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- SC2145: Warn when concatenating arrays and strings
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### Fixed
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- Case statements now support `;&` and `;;&`
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- Indices in array declarations now parse correctly
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- `let` expressions now parsed as arithmetic expressions
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- Escaping is now respected in here documents
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### Changed
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- Completely drop Makefile in favor of Cabal (thanks rodrigosetti!)
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## v0.3.3 - 2014-05-29
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### Added
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- SC2144: Warn when using globs in `[/[[`
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- SC2143: Suggesting using `grep -q` over `[ "$(.. | grep)" ]`
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- SC2142: Warn when referencing positional parameters in aliases
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- SC2141: Warn about suspicious IFS assignments like `IFS="\n"`
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- SC2140: Warn about bad embedded quotes like `echo "var="value""`
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- SC2130: Warn when using `-eq` on strings
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- SC2139: Warn about define time expansions in alias definitions
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- SC2129: Suggest command grouping over `a >> log; b >> log; c >> log`
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- SC2128: Warn when expanding arrays without an index
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- SC2126: Suggest `grep -c` over `grep|wc`
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- SC2123: Warn about accidentally overriding `$PATH`, e.g. `PATH=/my/dir`
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- SC1083: Warn about literal `{/}` outside of quotes
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- SC1082: Warn about UTF-8 BOMs
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### Fixed
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- SC2051 no longer triggers for `{1,$n}`, only `{1..$n}`
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- Improved detection of single quoted `sed` variables, e.g. `sed '$s///'`
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- Stop warning about single quoted variables in `PS1` and similar
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- Support for Zsh short form loops, `=(..)`
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### Removed
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- SC1000 about unescaped lonely `$`, e.g. `grep "^foo$"`
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## v0.3.2 - 2014-03-22
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### Added
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- SC2121: Warn about trying to `set` variables, e.g. `set var = value`
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- SC2120/SC2119: Warn when a function uses `$1..` if none are ever passed
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- SC2117: Warn when using `su` in interactive mode, e.g. `su foo; whoami`
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- SC2116: Detect useless use of echo, e.g. `for i in $(echo $var)`
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- SC2115/SC2114: Detect some catastrophic `rm -r "$empty/"` mistakes
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- SC1081: Warn when capitalizing keywords like `While`
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- SC1077: Warn when using acute accents instead of backticks
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### Fixed
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- Shells are now properly recognized in shebangs containing flags
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- Stop warning about math on decimals in ksh/zsh
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- Stop warning about decimal comparisons with `=`, e.g. `[ $version = 1.2 ]`
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- Parsing of `|&`
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- `${a[x]}` not counting as a reference of `x`
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- `(( x[0] ))` not counting as a reference of `x`
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## v0.3.1 - 2014-02-03
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### Added
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- The `-s` flag to specify shell dialect
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- SC2105/SC2104: Warn about `break/continue` outside loops
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- SC1076: Detect invalid `[/[[` arithmetic like `[ 1 + 2 = 3 ]`
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- SC1075: Suggest using `elif` over `else if`
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### Fixed
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- Don't warn when comma separating elements in brace expansions
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- Improved detection of single quoted `sed` variables, e.g. `sed '$d'`
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- Parsing of arithmetic for loops using `{..}` instead of `do..done`
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- Don't treat the last pipeline stage as a subshell in ksh/zsh
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## v0.3.0 - 2014-01-19
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### Added
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- A man page (thanks Dridi!)
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- GCC compatible error reporting (`shellcheck -f gcc`)
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- CheckStyle compatible XML error reporting (`shellcheck -f checkstyle`)
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- Error codes for each warning, e.g. SC1234
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- Allow disabling warnings with `# shellcheck disable=SC1234`
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- Allow disabling warnings with `--exclude`
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- SC2103: Suggest using subshells over `cd foo; bar; cd ..`
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- SC2102: Warn about duplicates in char ranges, e.g. `[10-15]`
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- SC2101: Warn about named classes not inside a char range, e.g. `[:digit:]`
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- SC2100/SC2099: Warn about bad math expressions like `i=i+5`
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- SC2098/SC2097: Warn about `foo=bar echo $foo`
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- SC2095: Warn when using `ssh`/`ffmpeg` in `while read` loops
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- Better warnings for missing here doc tokens
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### Fixed
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- Don't warn when single quoting variables with `ssh/perl/eval`
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- `${!var}` is now counted as a variable reference
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### Removed
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- Suggestions about using parameter expansion over basename
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- The `jsoncheck` binary. Use `shellcheck -f json` instead.
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## v0.2.0 - 2013-10-27
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### Added
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- Suggest `./*` instead of `*` when passing globs to commands
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- Suggest `pgrep` over `ps | grep`
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- Warn about unicode quotes
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- Warn about assigned but unused variables
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- Inform about client side expansion when using `ssh`
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### Fixed
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- CLI tool now uses exit codes and stderr canonically
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- Parsing of extglobs containing empty patterns
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- Parsing of bash style `eval foo=(bar)`
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- Parsing of expansions in here documents
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- Parsing of function names containing :+-
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- Don't warn about `find|xargs` when using `-print0`
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## v0.1.0 - 2013-07-23
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### Added
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- First release
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