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# $NetBSD: check-interpreter.mk,v 1.28 2014/10/12 23:39:17 joerg Exp $
#
# This file checks that after installation, all files of the package
# that start with a "#!" line will find their interpreter. Files that
# have a "#!" line with a non-existent interpreter will generate an
# error message if they are executable, and a warning message otherwise.
#
# Files are not allowed to use /bin/env or /usr/bin/env as an interpreter
# due the use dynamic paths and package developers not checking that they work.
# A classic example is: #!/usr/bin/env python
#
# User-settable variables:
#
# CHECK_INTERPRETER
# Whether this check should be enabled or not.
#
# Default value: "yes" for PKG_DEVELOPER, "no" otherwise.
#
# Package-settable variables:
#
# CHECK_INTERPRETER_SKIP
# The list of file patterns that are skipped by the check.
# All files in share/examples and share/doc are skipped as well.
#
# Default value: (empty)
#
# Example: share/package1/* share/package2/somefile
#
.if ${PKG_DEVELOPER:Uno} != "no"
CHECK_INTERPRETER?= yes
.else
CHECK_INTERPRETER?= no
.endif
CHECK_INTERPRETER_SKIP?= # empty
_CHECK_INTERP_SKIP= share/doc/*
_CHECK_INTERP_SKIP+= share/examples/*
_CHECK_INTERP_SKIP+= ${CHECK_INTERPRETER_SKIP}
_CHECK_INTERP_FILELIST_CMD?= ${SED} -e '/^@/d' ${PLIST}
.if !empty(CHECK_INTERPRETER:M[Yy][Ee][Ss])
privileged-install-hook: _check-interpreter
.endif
_check-interpreter: error-check .PHONY
@${STEP_MSG} "Checking for non-existent script interpreters in ${PKGNAME}"
${RUN} cd ${DESTDIR}${PREFIX}; \
${_CHECK_INTERP_FILELIST_CMD} | ${SORT} | ${SED} 's,\\,\\\\,g' |\
while read file; do \
case "$$file" in \
${_CHECK_INTERP_SKIP:@p@${p}) continue ;;@} \
*) ;; \
esac; \
if [ ! -f "$$file" ]; then \
continue; \
fi; \
if [ ! -r "$$file" ]; then \
${DELAYED_WARNING_MSG} "[check-interpreter.mk] File \"${DESTDIR}${PREFIX}/$$file\" cannot be read."; \
continue; \
fi; \
${SHCOMMENT} "[$$file]"; \
interp=`${SED} -n -e '1s/^#![[:space:]]*\([^[:space:]]*\).*/\1/p' -e '1q' < "$$file"` \
|| { ${DELAYED_WARNING_MSG} "[check-interpreter.mk] sed(1) failed for \"${DESTDIR}${PREFIX}/$$file\"."; \
continue; \
}; \
case "$$interp" in \
"") continue;; \
/bin/env|/usr/bin/env) if [ -x "$$file" ]; then \
${DELAYED_ERROR_MSG} "[check-interpreter.mk] The interpreter \"$$interp\" of \"${DESTDIR}${PREFIX}/$$file\" is not allowed."; \
else \
${DELAYED_WARNING_MSG} "[check-interpreter.mk] The interpreter \"$$interp\" of \"${DESTDIR}${PREFIX}/$$file\" is not allowed."; \
fi; \
continue;; \
esac; \
\
if { [ ! -f ${DESTDIR:Q}"$$interp" ] && \
[ ! -f "$$interp" ]; }; then \
\
if [ -x "$$file" ]; then \
${DELAYED_ERROR_MSG} "[check-interpreter.mk] The interpreter \"$$interp\" of \"${DESTDIR}${PREFIX}/$$file\" does not exist."; \
else \
\
${DELAYED_WARNING_MSG} "[check-interpreter.mk] The interpreter \"$$interp\" of \"${DESTDIR}${PREFIX}/$$file\" does not exist."; \
fi; \
fi; \
done
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