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SC2250: New optional check for braces around variable references

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Always using braces makes it harder to accidentally change a variable by
pasting other text next to it, but the warning is off by default because
it's definitely a style preference.  Omit special and positional
variables from the check because appending additional characters to them
already doesn't change parsing.
This commit is contained in:
Benjamin Gordon 2019-05-14 10:54:56 -06:00 • committed by Benjamin Gordon
parent aa3b709b5d
commit 64c9c83cc8
3 changed files with 33 additions and 3 deletions
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4
src/ShellCheck/Data.hs
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@ -49,6 +49,10 @@ variablesWithoutSpaces = specialVariablesWithoutSpaces ++ [
specialVariables = specialVariablesWithoutSpaces ++ ["@", "*"]
unbracedVariables = specialVariables ++ [
"0", "1", "2", "3", "4", "5", "6", "7", "8", "9"
]
arrayVariables = [
"BASH_ALIASES", "BASH_ARGC", "BASH_ARGV", "BASH_CMDS", "BASH_LINENO",
"BASH_REMATCH", "BASH_SOURCE", "BASH_VERSINFO", "COMP_WORDS", "COPROC",