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Warn about >& in sh

This commit is contained in:
Vidar Holen 2016-09-24 14:03:54 -07:00
parent 3a7dc86de1
commit fe2398edc9
1 changed files with 2 additions and 0 deletions
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2
ShellCheck/Analytics.hs
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@ -501,6 +501,7 @@ prop_checkBashisms46= verify checkBashisms "#!/bin/dash\ntrap foo SIGINT"
prop_checkBashisms47= verify checkBashisms "#!/bin/dash\necho foo 42>/dev/null"
prop_checkBashisms48= verifyNot checkBashisms "#!/bin/dash\necho $LINENO"
prop_checkBashisms49= verify checkBashisms "#!/bin/dash\necho $MACHTYPE"
prop_checkBashisms50= verify checkBashisms "#!/bin/sh\ncmd >& file"
checkBashisms params = bashism
where
isDash = shellType params == Dash
@ -532,6 +533,7 @@ checkBashisms params = bashism
warnMsg id $ filter (/= '|') op ++ " is"
bashism (TA_Binary id "**" _ _) = warnMsg id "exponentials are"
bashism (T_FdRedirect id "&" (T_IoFile _ (T_Greater _) _)) = warnMsg id "&> is"
bashism (T_FdRedirect id _ (T_IoFile _ (T_GREATAND _) _)) = warnMsg id ">& is"
bashism (T_FdRedirect id ('{':_) _) = warnMsg id "named file descriptors are"
bashism (T_FdRedirect id num _)
| all isDigit num && length num > 1 = warnMsg id "FDs outside 0-9 are"