From c5273e0c317a941af9c8a4090ad38b1c7b55d716 Mon Sep 17 00:00:00 2001 From: Rob N <rob.norris@klarasystems.com> Date: Sat, 22 Jul 2023 04:53:06 +1000 Subject: [PATCH] shellcheck: disable "unreachable command" check [SC2317] This new check in 0.9.0 appears to have some issues with various forms of "early return", like trap, exit and return. This is tripping up (at least): cmd/zed/zed.d/history_event-zfs-list-cacher.sh /etc/zfs/zfs-functions Its not obvious what its complaining about or what the remedy is, so it seems sensible to disable this check for now. See also: https://www.shellcheck.net/wiki/SC2317 https://github.com/koalaman/shellcheck/issues/2542 https://github.com/koalaman/shellcheck/issues/2613 Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Rob Norris <robn@despairlabs.com> Closes #15089 --- config/Shellcheck.am | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/config/Shellcheck.am b/config/Shellcheck.am index 1cff81e04b..1ab1351606 100644 --- a/config/Shellcheck.am +++ b/config/Shellcheck.am @@ -4,6 +4,7 @@ # Not following: a was not specified as input (see shellcheck -x). [SC1091] # Prefer putting braces around variable references even when not strictly required. [SC2250] # Consider invoking this command separately to avoid masking its return value (or use '|| true' to ignore). [SC2312] +# Command appears to be unreachable. Check usage (or ignore if invoked indirectly). [SC2317] # In POSIX sh, 'local' is undefined. [SC2039] # older ShellCheck versions # In POSIX sh, 'local' is undefined. [SC3043] # newer ShellCheck versions @@ -18,7 +19,7 @@ PHONY += shellcheck _STGT = $(subst ^,/,$(subst shellcheck-here-,,$@)) shellcheck-here-%: if HAVE_SHELLCHECK - shellcheck --format=gcc --enable=all --exclude=SC1090,SC1091,SC2039,SC2250,SC2312,SC3043 $$([ -n "$(SHELLCHECK_SHELL)" ] && echo "--shell=$(SHELLCHECK_SHELL)") "$$([ -e "$(_STGT)" ] || echo "$(srcdir)/")$(_STGT)" + shellcheck --format=gcc --enable=all --exclude=SC1090,SC1091,SC2039,SC2250,SC2312,SC2317,SC3043 $$([ -n "$(SHELLCHECK_SHELL)" ] && echo "--shell=$(SHELLCHECK_SHELL)") "$$([ -e "$(_STGT)" ] || echo "$(srcdir)/")$(_STGT)" else @echo "skipping shellcheck of" $(_STGT) "because shellcheck is not installed" endif