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Account for set -o errexit and #!/bin/bash -e for unchecked cd.

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This commit is contained in:
Vidar Holen
2015-09-28 18:52:03 -07:00
parent 3fc77d94ec
commit 5467a0f1d9
1 changed files with 7 additions and 2 deletions
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9
ShellCheck/Analytics.hs
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@@ -3417,6 +3417,8 @@ prop_checkUncheckedCd3 = verifyNotTree checkUncheckedCd "set -e; cd ~/src; rm -r
prop_checkUncheckedCd4 = verifyNotTree checkUncheckedCd "if cd foo; then rm foo; fi"
prop_checkUncheckedCd5 = verifyTree checkUncheckedCd "if true; then cd foo; fi"
prop_checkUncheckedCd6 = verifyNotTree checkUncheckedCd "cd .."
prop_checkUncheckedCd7 = verifyNotTree checkUncheckedCd "#!/bin/bash -e\ncd foo\nrm bar"
prop_checkUncheckedCd8 = verifyNotTree checkUncheckedCd "set -o errexit; cd foo; rm bar"
checkUncheckedCd params root =
if hasSetE then [] else execWriter $ doAnalysis checkElement root
where
@@ -3430,9 +3432,12 @@ checkUncheckedCd params root =
hasSetE = isNothing $ doAnalysis (guard . not . isSetE) root
isSetE t =
case t of
T_SimpleCommand {} ->
t `isUnqualifiedCommand` "set" && "e" `elem` map snd (getAllFlags t)
T_Script _ str _ -> str `matches` re
T_SimpleCommand {} ->
t `isUnqualifiedCommand` "set" &&
("errexit" `elem` oversimplify t || "e" `elem` map snd (getAllFlags t))
_ -> False
re = mkRegex "[[:space:]]-[^-]*e"
prop_checkLoopVariableReassignment1 = verify checkLoopVariableReassignment "for i in *; do for i in *.bar; do true; done; done"
prop_checkLoopVariableReassignment2 = verify checkLoopVariableReassignment "for i in *; do for((i=0; i<3; i++)); do true; done; done"