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199 Commits

Author SHA1 Message Date
Vidar Holen fbb14d6b38 Improve checks for = in command names (fixes #2102) 2020-12-30 20:30:43 -08:00
Vidar Holen bd3299edd3 Treat 'exec $1' like '$1' for the purpose of quoting (fixes #2068) 2020-12-17 20:31:45 -08:00
Vidar Holen cc3884cf9f Support env -S/--split-string in shebangs (fixes #2105) 2020-12-12 20:24:32 -08:00
Vidar Holen 6ba1af0898 Warn when a variable is assigned to itself 2020-12-11 20:28:36 -08:00
Vidar Holen 65044c2568 SC2095: Also warn if the command is backgrounded 2020-11-29 13:01:23 -08:00
Keith Smiley 619662adb6 Add readonly to SC2155 
This adds a warning for readonly masking the return value of function.
This is mentioned in the wiki
https://github.com/koalaman/shellcheck/wiki/SC2155#problematic-code-in-the-case-of-readonly
but didn't actually produce a warning.

Fixes https://github.com/koalaman/shellcheck/issues/1336
 2020-10-23 17:29:04 -07:00
Vidar Holen 28d3279ba6 Optional style warning about [ x$var = xval ] 2020-10-19 20:04:58 -07:00
Vidar Holen 256457c47a Use getopts parser to find 'read' arrays (fixes #2073) 2020-10-18 22:57:16 -07:00
Vidar Holen f100c2939e Rewrite getopts style option parser 2020-10-18 21:34:58 -07:00
Vidar Holen 8d99926554 Recognize `local -x` similarly to `export` (fixes #2069) 2020-10-18 15:15:31 -07:00
Vidar Holen 218deb6d01 Update SC2091/SC2092 message and ignore in quotes. 2020-09-08 19:30:13 -07:00
Vidar Holen 43191fa71d Suppress SC2035 for echo * and printf * (fixes #2036) 2020-09-01 14:19:28 -07:00
Vidar Holen a62d9f10c2 Warn when using &/| between test statements 2020-08-23 15:43:33 -07:00
Vidar Holen 50067ddf94 Consider variables in -z/-n tests to be checked 2020-08-08 12:32:20 -07:00
Vidar Holen 3fa5b7d3bd Merge branch 'supportMinusNZ' of https://github.com/donnerpeter/shellcheck into donnerpeter-supportMinusNZ 2020-08-08 11:22:00 -07:00
Vidar Holen e779aedac3 Modernize getting mapfile array name 2020-08-07 16:41:18 -07:00
Vidar Holen 3ef1175566 Merge branch 'issue_1759_mapfile_proc_substition' of https://github.com/Gandalf-/shellcheck into Gandalf--issue_1759_mapfile_proc_substition 2020-08-07 15:57:59 -07:00
Vidar Holen 3e50a2fce8 Suppress SC2216 for du --files0-from or --exclude-from (fixes #1286) 2020-08-07 14:59:34 -07:00
Vidar Holen 1ac2c31728 Warn when shell functions blatantly recurse (fixes #1994) 2020-07-27 21:50:33 -07:00
Vidar Holen 34885142e7 Handle tilde expansion in pattern matching (fixes #1769) 2020-07-27 18:34:42 -07:00
Vidar Holen 5d753212fb Improve handling of command prefixes like exec/command (fixes #2008) 2020-07-25 13:45:05 -07:00
Vidar Holen 5cf2c00ff7 Warn about defining and using an alias in a single command (fixes #1807) 2020-05-25 23:24:33 -07:00
Vidar Holen a08ad3bee9 Count $# as an argument reference in SC2120 2020-05-25 23:24:33 -07:00
Vidar Holen d6adbfde78 Improve SC2259/60/61 messages 2020-05-03 21:46:16 -07:00
Vidar Holen 2030b83607 Warn about duplicate uses of stdin/out/err 2020-05-03 11:54:25 -07:00
Vidar Holen 73cc11fd0a
Merge pull request #1901 from josephcsible/bracedstring 
Mostly get rid of bracedString
 2020-04-12 15:14:50 -07:00
Joseph C. Sible b58bb4ba9d Move bracedString to be local to its last use site 2020-04-11 19:24:11 -04:00
Joseph C. Sible 999b7e2596 Get rid of bracedString everywhere it's easy to 2020-04-11 19:24:11 -04:00
Joseph C. Sible 8a7497c4f0 Simplify checkVariableBraces 2020-04-11 19:23:13 -04:00
Joseph C. Sible 322842b57e Remove unnecessary monadicity from wordToPseudoGlob 2020-04-05 19:29:40 -04:00
Vidar Holen 01f4423465 Disable SC2257 about > $((i=42)) for Dash 2020-04-05 11:38:22 -07:00
Vidar Holen bd717c9d1b Don't warn about [ 0 -ne $FOO ] || [ 0 -ne $BAR ] (fixes #1891) 2020-04-01 22:09:00 -07:00
Vidar Holen da0931740f
Merge pull request #1876 from fork-graveyard/master 
recognize `: ${parameter=word}` as assignment
 2020-04-01 18:52:53 -07:00
Vidar Holen c60323fb25
Merge pull request #1873 from josephcsible/checkwhilereadpitfalls 
Simplify checkWhileReadPitfalls
 2020-03-31 19:10:53 -07:00
girst 7a5e261d03 recognize `: ${parameter=word}` as assignment 2020-03-16 23:04:54 +01:00
Joseph C. Sible 9d5363377e Simplify checkWhileReadPitfalls 
* Clean up usage of not
* Use a case match instead of sequence_ and a do block
 2020-03-16 00:14:22 -04:00
Joseph C. Sible 86d470c74f Simplify checkForInQuoted 
* Avoid some unnecessary fmaps
* Reuse an identical pattern-match for two guards
* Apply De Morgan's law
* Use forM_ to avoid an unnecessary where
 2020-03-15 16:05:55 -04:00
Vidar Holen a57f6d2886 Improve detection of for loops with single values 2020-03-15 11:30:56 -07:00
Vidar Holen c43b19f897 Make SC2095 (ssh in while read loops) more robust and suggest fixes 2020-03-14 21:15:47 -07:00
Austin English 741d499b3d src/ShellCheck/Analytics.hs: suggest using a shell directive for SC2148 2020-03-07 19:23:35 -06:00
Vidar Holen 7b998239af SC2257: Warn when changing arithmetic variables in redirections 2020-02-17 18:16:57 -08:00
Vidar Holen 4c9210af79 Inspect 'alias' commands for referenced variables (Fixes #1832) 2020-02-17 14:20:21 -08:00
Vidar Holen c2d67c15f8
Merge pull request #1802 from szydell/master 
SC2016, repair false error for M language parser
 2020-02-10 18:25:28 -08:00
Vidar Holen 6043deb8f2
Merge pull request #1824 from josephcsible/patch-1 
Simplify literalEquals
 2020-02-10 18:20:05 -08:00
Vidar Holen d0beac6d0b
Merge pull request #1826 from josephcsible/nofromjust 
Use the Identity monad to avoid unnecessary uses of fromJust
 2020-02-10 18:05:36 -08:00
Vidar Holen b88b253cad
Merge pull request #1827 from josephcsible/nofromjust2 
Remove more unnecessary uses of fromJust
 2020-02-10 18:01:38 -08:00
Joseph C. Sible 6d06103cab Remove unnecessary uses of head 2020-02-09 23:18:09 -05:00
Joseph C. Sible ea24e25efd Use Map.member instead of isJust and Map.lookup 2020-02-09 23:18:09 -05:00
Joseph C. Sible 8f0448133c Use isNothing instead of reimplementing it 2020-02-09 23:18:08 -05:00
Joseph C. Sible 7fc9496320 Use forM_ instead of reimplementing it 2020-02-09 23:18:08 -05:00