cdist configuration management Latest manual: https://www.cdi.st/manual/latest/ Home page: https://www.cdi.st
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#!/bin/sh -e
if [ -f "$__object/parameter/file" ]
then
file="$( cat "$__object/parameter/file" )"
else
file="/$__object_id"
fi
script="$( cat "$__object/parameter/script" )"
if [ "$script" = '-' ]
then
script="$( cat "$__object/stdin" )"
fi
# since stdin is not available in explorer, we pull file from target with explorer
file_from_target="$__object/explorer/file"
sed_cmd='sed'
if [ -f "$__object/parameter/regexp-extended" ]
then
sed_cmd="$sed_cmd -E"
fi
# do sed dry run, diff result and if no change, then there's nothing to do
# also redirect diff's output to stderr for debugging purposes
if echo "$script" | "$sed_cmd" -f - "$file_from_target" | diff -u "$file_from_target" - >&2
then
exit 0
fi
# we can't use -i, because it's not posix, so we fly with tempfile and cp
# and we use cp because we want to preserve destination file's attributes
# shellcheck disable=SC2016
echo 'tmp="$__object/tempfile"'
echo "$sed_cmd -f - '$file' > \"\$tmp\" << EOF"
echo "$script"
echo 'EOF'
echo "cp \"\$tmp\" '$file'"
# shellcheck disable=SC2016
echo 'rm -f "$tmp"'
echo 'change' >> "$__messages_out"
if [ -f "$__object/parameter/onchange" ]
then
cat "$__object/parameter/onchange"
fi