config/Shellcheck.am

   1 # Global ShellCheck exclusions:
   2 #
   3 # ShellCheck can't follow non-constant source. Use a directive to specify location. [SC1090]
   4 # Not following: a was not specified as input (see shellcheck -x). [SC1091]
   5 # Prefer putting braces around variable references even when not strictly required. [SC2250]
   6 # In POSIX sh, 'local' is undefined. [SC2039] # older ShellCheck versions
   7 # In POSIX sh, 'local' is undefined. [SC3043] # newer ShellCheck versions
   8
   9 SHELLCHECKSCRIPTS =
  10
  11 JUST_SHELLCHECK_OPTS    = $(addprefix shellcheck-here-,$(subst /,^,$(1)))
  12 JUST_CHECKBASHISMS_OPTS = $(addprefix checkbashisms-here-,$(subst /,^,$(1)))
  13 SHELLCHECK_OPTS         = $(call JUST_SHELLCHECK_OPTS,$(1)) $(call JUST_CHECKBASHISMS_OPTS,$(1))
  14
  15 PHONY += shellcheck
  16
  17 _STGT = $(subst ^,/,$(subst shellcheck-here-,,$@))
  18 shellcheck-here-%:
  19 if HAVE_SHELLCHECK
  20         shellcheck --format=gcc --enable=all --exclude=SC1090,SC1091,SC2039,SC2250,SC3043 $$([ -n "$(SHELLCHECK_SHELL)" ] && echo "--shell=$(SHELLCHECK_SHELL)") "$$([ -e "$(_STGT)" ] || echo "$(srcdir)/")$(_STGT)"
  21 else
  22         @echo "skipping shellcheck of" $(_STGT) "because shellcheck is not installed"
  23 endif
  24
  25 shellcheck: $(SHELLCHECKSCRIPTS) $(call JUST_SHELLCHECK_OPTS,$(SHELLCHECKSCRIPTS))
  26
  27
  28 PHONY += checkbashisms
  29
  30 # command -v *is* specified by POSIX and every shell in existence supports it
  31 _BTGT = $(subst ^,/,$(subst checkbashisms-here-,,$@))
  32 checkbashisms-here-%:
  33 if HAVE_CHECKBASHISMS
  34         ! { [ -n "$(SHELLCHECK_SHELL)" ] && echo '#!/bin/$(SHELLCHECK_SHELL)'; cat "$$([ -e "$(_BTGT)" ] || echo "$(srcdir)/")$(_BTGT)"; } | \
  35         checkbashisms -npx 2>&1 | grep -vFe "'command' with option other than -p" -e 'command -v' -e 'any possible bashisms' $(CHECKBASHISMS_IGNORE) >&2
  36 else
  37         @echo "skipping checkbashisms of" $(_BTGT) "because checkbashisms is not installed"
  38 endif
  39
  40 checkbashisms: $(SHELLCHECKSCRIPTS) $(call JUST_CHECKBASHISMS_OPTS,$(SHELLCHECKSCRIPTS))