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#
# set -o errexit -o noglob are assumed.
#
pre_prereqs() {
local __ _exit;
for __ in ${CHECK_PATH_VARS}; do
if [ -z "${___:=$(get_var_unsafe "${__}")}" ]; then
log_msg failexit "Error: variable \`${__}' is empty or unset.";
elif [ "${___#* *}" != "${___}" ]; then
log_msg failexit "Error: variable \`${__}' contains one or more whitespace characters.";
fi;
done;
for __ in ${CHECK_PREREQ_CMDS} $(eval echo ${CHECK_PREREQ_FILES_DYNAMIC}) ${CHECK_PREREQ_FILES}; do
if [ "${__#/}" != "${__}" ]; then
if [ ! -e "${__}" ]; then
log_msg fail "Error: missing prerequisite file \`${__}'.";
_exit=1;
fi;
else
if ! test_cmd "${__}"; then
log_msg fail "Error: missing prerequisite command \`${__}'.";
_exit=1;
fi;
fi;
done;
for __ in ${CHECK_PREREQ_PERL_MODULES}; do
if ! perl -M"${__}" -e "" 2>/dev/null; then
log_msg fail "Error: missing prerequisite Perl module \`${__}'.";
_exit=1;
fi;
done;
if [ ${_exit:-0} = 1 ]; then
exit 1;
fi;
};
# vim:filetype=sh
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