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Merge pull request #3011 from sertonix/busybox-3003 

Fix SC3003, SC3036 and SC3045 for busybox shell
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Vidar Holen 2024-08-04 16:52:15 -07:00 committed by GitHub
parent cd6fdee99b 6d2f3d8628
commit 4cd76283da
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GPG Key ID: B5690EEEBB952194
1 changed files with 16 additions and 4 deletions
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20
src/ShellCheck/Checks/ShellSupport.hs
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@ -212,6 +212,12 @@ prop_checkBashisms118 = verify checkBashisms "#!/bin/busybox sh\nxyz=1\n${!x*}"
prop_checkBashisms119 = verify checkBashisms "#!/bin/busybox sh\nx='test'\n${x^^[t]}" -- SC3059
prop_checkBashisms120 = verify checkBashisms "#!/bin/sh\n[ x == y ]"
prop_checkBashisms121 = verifyNot checkBashisms "#!/bin/sh\n# shellcheck shell=busybox\n[ x == y ]"
prop_checkBashisms122 = verify checkBashisms "#!/bin/dash\n$'a'"
prop_checkBashisms123 = verifyNot checkBashisms "#!/bin/busybox sh\n$'a'"
prop_checkBashisms124 = verify checkBashisms "#!/bin/dash\ntype -p test"
prop_checkBashisms125 = verifyNot checkBashisms "#!/bin/busybox sh\ntype -p test"
prop_checkBashisms126 = verifyNot checkBashisms "#!/bin/busybox sh\nread -p foo -r bar"
prop_checkBashisms127 = verifyNot checkBashisms "#!/bin/busybox sh\necho -ne foo"
checkBashisms = ForShell [Sh, Dash, BusyboxSh] $ \t -> do
params <- ask
kludge params t
@ -229,7 +235,8 @@ checkBashisms = ForShell [Sh, Dash, BusyboxSh] $ \t -> do
bashism (T_ProcSub id _ _) = warnMsg id 3001 "process substitution is"
bashism (T_Extglob id _ _) = warnMsg id 3002 "extglob is"
bashism (T_DollarSingleQuoted id _) = warnMsg id 3003 "$'..' is"
bashism (T_DollarSingleQuoted id _) =
unless isBusyboxSh $ warnMsg id 3003 "$'..' is"
bashism (T_DollarDoubleQuoted id _) = warnMsg id 3004 "$\"..\" is"
bashism (T_ForArithmetic id _ _ _ _) = warnMsg id 3005 "arithmetic for loops are"
bashism (T_Arithmetic id _) = warnMsg id 3006 "standalone ((..)) is"
@ -321,7 +328,11 @@ checkBashisms = ForShell [Sh, Dash, BusyboxSh] $ \t -> do
bashism t@(T_SimpleCommand _ _ (cmd:arg:_))
| t `isCommand` "echo" && argString `matches` flagRegex =
if isDash
if isBusyboxSh
then
when (not (argString `matches` busyboxFlagRegex)) $
warnMsg (getId arg) 3036 "echo flags besides -n and -e"
else if isDash
then
when (argString /= "-n") $
warnMsg (getId arg) 3036 "echo flags besides -n"
@ -330,6 +341,7 @@ checkBashisms = ForShell [Sh, Dash, BusyboxSh] $ \t -> do
where
argString = concat $ oversimplify arg
flagRegex = mkRegex "^-[eEsn]+$"
busyboxFlagRegex = mkRegex "^-[en]+$"
bashism t@(T_SimpleCommand _ _ (cmd:arg:_))
| getLiteralString cmd == Just "exec" && "-" `isPrefixOf` concat (oversimplify arg) =
@ -443,10 +455,10 @@ checkBashisms = ForShell [Sh, Dash, BusyboxSh] $ \t -> do
("hash", Just $ if isDash then ["r", "v"] else ["r"]),
("jobs", Just ["l", "p"]),
("printf", Just []),
("read", Just $ if isDash then ["r", "p"] else ["r"]),
("read", Just $ if isDash || isBusyboxSh then ["r", "p"] else ["r"]),
("readonly", Just ["p"]),
("trap", Just []),
("type", Just []),
("type", Just $ if isBusyboxSh then ["p"] else []),
("ulimit", if isDash then Nothing else Just ["f"]),
("umask", Just ["S"]),
("unset", Just ["f", "v"]),