Integrated gencode-remote actions into gencode-local in order to make the
file attribute change more atomic (in 1 ssh command). This fixes the problem when distributing files related to ssh access on the host (for example files in ~/.ssh or /etc/hosts.allow|deny).
This commit is contained in:
Mark Verboom
parent
bd44c023d3
commit
bd5537f416
2 changed files with 98 additions and 117 deletions
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@ -22,8 +22,43 @@
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destination="/$__object_id"
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state_should="$(cat "$__object/parameter/state")"
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type="$(cat "$__object/explorer/type")"
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stat_file="$__object/explorer/stat"
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fire_onchange=''
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[ "$state_should" = "exists" ] && [ "$type" = "file" ] && exit 0 # nothing to do
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get_current_value() {
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if [ -s "$stat_file" ]; then
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_name="$1"
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_value="$2"
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case "$_value" in
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[0-9]*)
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_index=2
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;;
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*)
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_index=3
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;;
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esac
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awk '/'"$_name"':/ { print $'$_index' }' "$stat_file"
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unset _name _value _index
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fi
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}
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set_group() {
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remote_cmd="$remote_cmd chgrp '$1' '$destination';"
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echo "chgrp '$1'" >> "$__messages_out"
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fire_onchange=1
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}
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set_owner() {
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remote_cmd="$remote_cmd chown '$1' '$destination';"
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echo "chown '$1'" >> "$__messages_out"
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fire_onchange=1
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}
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set_mode() {
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remote_cmd="$remote_cmd chmod '$1' '$destination';"
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echo "chmod '$1'" >> "$__messages_out"
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fire_onchange=1
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}
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if [ "$state_should" = "pre-exists" ]; then
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if [ -f "$__object/parameter/source" ]; then
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@ -53,6 +88,7 @@ fi
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upload_file=
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create_file=
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remote_cmd=
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if [ "$state_should" = "present" ] || [ "$state_should" = "exists" ]; then
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if [ ! -f "$__object/parameter/source" ]; then
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remote_stat="$(cat "$__object/explorer/stat")"
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@ -106,9 +142,66 @@ DONE
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$__remote_copy "$source" "${my_target_host}:\$destination_upload"
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DONE
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fi
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# move uploaded file into place
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remote_cmd="rm -rf \"$destination\"; mv \"\$destination_upload\" \"$destination\";"
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fi
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fi
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# Check to change any file attributes
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case "$state_should" in
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present|exists)
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# Note: Mode - needs to happen last as a chown/chgrp can alter mode by
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# clearing S_ISUID and S_ISGID bits (see chown(2))
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for attribute in group owner mode; do
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if [ -f "$__object/parameter/$attribute" ]; then
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value_should="$(cat "$__object/parameter/$attribute")"
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# format mode in four digits => same as stat returns
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if [ "$attribute" = mode ]; then
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# Convert to four-digit octal number (printf interprets
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# strings with leading 0s as octal!)
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value_should=$(printf '%04o' "0${value_should}")
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fi
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value_is="$(get_current_value "$attribute" "$value_should")"
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if [ -f "$__object/files/set-attributes" ] || [ "$value_should" != "$value_is" ]; then
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"set_$attribute" "$value_should"
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fi
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fi
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done
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if [ -f "$__object/files/set-attributes" ]; then
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# set-attributes is created if file is created or uploaded in gencode-local
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fire_onchange=1
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fi
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;;
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absent)
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if [ "$type" = "file" ]; then
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#echo "rm -f '$destination'"
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remote_cmd="$remote_cmd rm -f '$destination';"
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echo remove >> "$__messages_out"
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fire_onchange=1
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fi
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;;
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pre-exists)
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:
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;;
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*)
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echo "Unknown state: $state_should" >&2
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exit 1
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;;
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esac
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# Run any change to original file in 1 command as atomically as possible
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if [ "$remote_cmd" != "" ]; then
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cat << DONE
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$__remote_exec $__target_host "rm -rf \"$destination\"; mv \"\$destination_upload\" \"$destination\""
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$__remote_exec $__target_host "$remote_cmd"
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DONE
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fi
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if [ -f "$__object/parameter/onchange" ]; then
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if [ -n "$fire_onchange" ]; then
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cat "$__object/parameter/onchange"
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fi
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fi
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@ -1,112 +0,0 @@
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#!/bin/sh -e
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#
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# 2011-2013 Nico Schottelius (nico-cdist at schottelius.org)
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# 2013 Steven Armstrong (steven-cdist armstrong.cc)
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#
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# This file is part of cdist.
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#
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# cdist is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# cdist is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with cdist. If not, see <http://www.gnu.org/licenses/>.
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#
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destination="/$__object_id"
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state_should="$(cat "$__object/parameter/state")"
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type="$(cat "$__object/explorer/type")"
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stat_file="$__object/explorer/stat"
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fire_onchange=''
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get_current_value() {
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if [ -s "$stat_file" ]; then
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_name="$1"
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_value="$2"
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case "$_value" in
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[0-9]*)
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_index=2
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;;
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*)
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_index=3
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;;
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esac
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awk '/'"$_name"':/ { print $'$_index' }' "$stat_file"
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unset _name _value _index
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fi
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}
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set_group() {
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echo "chgrp '$1' '$destination'"
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echo "chgrp '$1'" >> "$__messages_out"
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fire_onchange=1
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}
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set_owner() {
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echo "chown '$1' '$destination'"
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echo "chown '$1'" >> "$__messages_out"
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fire_onchange=1
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}
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set_mode() {
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echo "chmod '$1' '$destination'"
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echo "chmod '$1'" >> "$__messages_out"
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fire_onchange=1
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}
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case "$state_should" in
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present|exists)
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# Note: Mode - needs to happen last as a chown/chgrp can alter mode by
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# clearing S_ISUID and S_ISGID bits (see chown(2))
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for attribute in group owner mode; do
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if [ -f "$__object/parameter/$attribute" ]; then
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value_should="$(cat "$__object/parameter/$attribute")"
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# format mode in four digits => same as stat returns
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if [ "$attribute" = mode ]; then
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# Convert to four-digit octal number (printf interprets
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# strings with leading 0s as octal!)
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value_should=$(printf '%04o' "0${value_should}")
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fi
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value_is="$(get_current_value "$attribute" "$value_should")"
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if [ -f "$__object/files/set-attributes" ] || [ "$value_should" != "$value_is" ]; then
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"set_$attribute" "$value_should"
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fi
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fi
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done
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if [ -f "$__object/files/set-attributes" ]; then
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# set-attributes is created if file is created or uploaded in gencode-local
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fire_onchange=1
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fi
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;;
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absent)
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if [ "$type" = "file" ]; then
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echo "rm -f '$destination'"
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echo remove >> "$__messages_out"
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fire_onchange=1
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fi
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;;
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pre-exists)
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:
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;;
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*)
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echo "Unknown state: $state_should" >&2
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exit 1
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;;
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esac
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if [ -f "$__object/parameter/onchange" ]; then
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if [ -n "$fire_onchange" ]; then
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cat "$__object/parameter/onchange"
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fi
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fi
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