Update dependency shellcheck to v0.9.0

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Open Update dependency shellcheck to v0.9.0

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Open Erik Seliger requested to merge renovate/shellcheck-0.x into main 2 years ago

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Created by: renovate[bot]

This PR contains the following updates:

Package	Update	New value	References	Sourcegraph
shellcheck	minor	0.9.0	source

Test plan: CI should pass with updated dependencies. No review required: this is an automated dependency update PR.

Release Notes

koalaman/shellcheck (shellcheck)

`v0.9.0`

Compare Source

Added

SC2316: Warn about 'local readonly foo' and similar (thanks, patrickxia!)
SC2317: Warn about unreachable commands
SC2318: Warn about backreferences in 'declare x=1 y=$x'
SC2319/SC2320: Warn when $? refers to echo/printf/[ ]/[[ ]]/test
SC2321: Suggest removing
((..)) in array\[
((idx))]=val
SC2322: Suggest collapsing double parentheses in arithmetic contexts
SC2323: Suggest removing wrapping parentheses in a[(x+1)]=val

Fixed

SC2086: Now uses DFA to make more accurate predictions about values
SC2086: No longer warns about values declared as integer with declare -i

Changed

ShellCheck now has a Data Flow Analysis engine to make smarter decisions based on control flow rather than just syntax. Existing checks will gradually start using it, which may cause them to trigger differently (but more accurately).
Values in directives/shellcheckrc can now be quoted with '' or ""

`v0.8.0`

Compare Source

Added

disable=all now conveniently disables all warnings
external-sources=true directive can be added to .shellcheckrc to make shellcheck behave as if -x was specified.
Optional check-extra-masked-returns for pointing out commands with suppressed exit codes (SC2312).
Optional require-double-brackets for recommending [[ ]] (SC2292).
SC2286-SC2288: Warn when command name ends in a symbol like /.)'"
SC2289: Warn when command name contains tabs or linefeeds
SC2291: Warn about repeated unquoted spaces between words in echo
SC2292: Suggest [[ over [ in Bash/Ksh scripts (optional)
SC2293/SC2294: Warn when calling eval with arrays
SC2295: Warn about "
{x#
y}" treating $y as a pattern when not quoted
SC2296-SC2301: Improved warnings for bad parameter expansions
SC2302/SC2303: Warn about loops over array values when using them as keys
SC2304-SC2306: Warn about unquoted globs in expr arguments
SC2307: Warn about insufficient number of arguments to expr
SC2308: Suggest other approaches for non-standard expr extensions
SC2313: Warn about read with unquoted, array indexed variable

Fixed

SC2102 about repetitions in ranges no longer triggers on [[ -v arr[xx] ]]
SC2155 now recognizes typeset and local read-only declare statements
SC2181 now tries to avoid triggering for error handling functions
SC2290: Warn about misused = in declare & co, which were not caught by SC2270+
The flag --color=auto no longer outputs color when TERM is "dumb" or unset

Changed

SC2048: Warning about $* now also applies to ${array[*]}
SC2181 now only triggers on single condition tests like [ $? = 0 ].
Quote warnings are now emitted for declaration utilities in sh
Leading _ can now be used to suppress warnings about unused variables
TTY output now includes warning level in text as well as color

Removed

SC1004: Literal backslash+linefeed in '' was found to be usually correct

`v0.7.2`

Compare Source

Added

disable directives can now be a range, e.g. disable=SC3000-SC4000
SC1143: Warn about line continuations in comments
SC2259/SC2260: Warn when redirections override pipes
SC2261: Warn about multiple competing redirections
SC2262/SC2263: Warn about aliases declared and used in the same parsing unit
SC2264: Warn about wrapper functions that blatantly recurse
SC2265/SC2266: Warn when using & or | with test statements
SC2267: Warn when using xargs -i instead of -I
SC2268: Warn about unnecessary x-comparisons like [ x$var = xval ]

Fixed

SC1072/SC1073 now respond to disable annotations, though ignoring parse errors is still purely cosmetic and does not allow ShellCheck to continue.
Improved error reporting for trailing tokens after ]/]] and compound commands
#!/usr/bin/env -S shell is now handled correctly
Here docs with \r are now parsed correctly and give better warnings

Changed

Assignments are now parsed to spec, without leniency for leading $ or spaces
POSIX/dash unsupported feature warnings now have individual SC3xxx codes
SC1090: A leading $x/ or $(x)/ is now treated as ./ when locating files
SC2154: Variables appearing in -z/-n tests are no longer considered unassigned
SC2270-SC2285: Improved warnings about misused =, e.g. ${var}=42

Configuration

Schedule: Branch creation - "on the 1st through 7th day of the month" in timezone America/Los_Angeles, Automerge - At any time (no schedule defined).