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Permit colon after exec

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ShellCheck throws warning SC2093 when a script contains commands that could never be executed because they are after an `exec`.  Command `:` does nothing, so add it to the list of commands that don’t trigger this warning.
This commit is contained in:
Peter Oliver 2022-10-07 17:02:31 +01:00
parent d71d6ff294
commit 128351f5ef
1 changed files with 2 additions and 1 deletions

3
src/ShellCheck/Analytics.hs

@ -1876,6 +1876,7 @@ prop_checkSpuriousExec7 = verifyNot checkSpuriousExec "exec file; echo failed; e
prop_checkSpuriousExec8 = verifyNot checkSpuriousExec "exec {origout}>&1- >tmp.log 2>&1; bar"
prop_checkSpuriousExec9 = verify checkSpuriousExec "for file in rc.d/*; do exec \"$file\"; done"
prop_checkSpuriousExec10 = verifyNot checkSpuriousExec "exec file; r=$?; printf >&2 'failed\n'; return $r"
prop_checkSpuriousExec11 = verifyNot checkSpuriousExec "exec file; :"
checkSpuriousExec _ = doLists
where
doLists (T_Script _ _ cmds) = doList cmds False
@ -1891,7 +1892,7 @@ checkSpuriousExec _ = doLists
stripCleanup = reverse . dropWhile cleanup . reverse
cleanup (T_Pipeline _ _ [cmd]) =
isCommandMatch cmd (`elem` ["echo", "exit", "printf", "return"])
isCommandMatch cmd (`elem` [":", "echo", "exit", "printf", "return"])
|| isAssignment cmd
cleanup _ = False