This file is indexed.

preinst is in pcp 3.8.12ubuntu1.

This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.

The actual contents of the file can be viewed below.

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#!/bin/sh -e

#
# The goal here is to collect PCP configuration files from places
# they may have been stashed away in previous versions
#

# The new place ... this should match the setting in /etc/pcp.conf
#
PCP_SYSCONF_DIR=/etc/pcp
# and same here ...
#
PCP_LOG_DIR=/var/log/pcp
[ -d "$PCP_LOG_DIR" ] || mkdir "$PCP_LOG_DIR"

PCP_ETC_DIR=/etc
for crontab in pmlogger pmie
do
    test -f "$PCP_ETC_DIR/cron.d/$crontab" || continue
    mv -f "$PCP_ETC_DIR/cron.d/$crontab" "$PCP_ETC_DIR/cron.d/pcp-$crontab"
done
# Function to do all of the configuration file migration work
#
_clean_configs()
{
    #
    # Usage: _clean_configs [-v] new_dir old_dir ...
    #
    # Across all the files in the new_dir and old_dir args, match
    # names and pick the most recently modified version and leave
    # this (same mode and modification date) in new_dir
    #
    # -v option is verbose mode for debugging
    #

    _verbose=false
    if [ $# -gt 0 -a X"$1" = "X-v" ]
    then
	_verbose=true
	shift
    fi

    if [ $# -lt 2 ]
    then
	echo >&2 "Usage: _clean_configs [-v] new_dir old_dir ..."
	return
    fi

    _new="$1"
    if [ ! -d "$_new" ]
    then
	$verbose && echo >&2 + mkdir -p "$_new"
	mkdir -p "$_new"
    fi

    shift
    for _dir
    do
	[ "$_dir" = "$_new" ] && continue
	if [ -d "$_dir" ]
	then
	    ( cd "$_dir" ; find . -type f -print ) \
	    | sed -e 's/^\.\///' \
	    | while read _file
	    do
		_want=false
		if [ -f "$_new/$_file" ]
		then
		    # file exists in both directories, pick the more
		    # recently modified one
		    #
		    _try=`find "$_dir/$_file" -newer "$_new/$_file" -print`
		    [ -n "$_try" ] && _want=true
		else
		    _want=true
		fi
		if $_want
		then
		    _dest=`dirname $_new/$_file`
		    if [ ! -d "$_dest" ]
		    then
			$verbose && >&2 echo + mkdir "$_dest"
			mkdir "$_dest"
		    fi
		    $_verbose && echo >&2 + cp -p "$_dir/$_file" "$_new/$_file"
		    cp -p "$_dir/$_file" "$_new/$_file"
		fi
	    done
	fi
    done
}

_version_configs()
{
    # Use the supported conffile move method (no prompts)
    local FILE

    local NPMCD=/etc/pcp/pmcd
    local PMCD1=/etc/pmcd
    local PMCD2=/var/lib/pcp/config/pmcd
    for FILE in pmcd.conf pmcd.options rc.local; do
        dpkg-maintscript-helper mv_conffile $PMCD2/$FILE $NPMCD/$FILE 3.7.0~ pcp -- "$@"
        dpkg-maintscript-helper mv_conffile $PMCD1/$FILE $NPMCD/$FILE 3.6.1~ pcp -- "$@"
    done

    local NPMIE=/etc/pcp/pmie
    local PMIE1=/etc/pmie
    local PMIE2=/var/lib/pcp/config/pmie
    for FILE in control; do
        dpkg-maintscript-helper mv_conffile $PMIE2/$FILE $NPMIE/$FILE 3.7.0~ pcp -- "$@"
        dpkg-maintscript-helper mv_conffile $PMIE1/$FILE $NPMIE/$FILE 3.6.1~ pcp -- "$@"
    done

    local NPMPROXY=/etc/pcp/pmproxy
    local PMPROXY1=/etc/pmproxy
    local PMPROXY2=/var/lib/pcp/config/pmproxy
    for FILE in pmproxy.options; do
        dpkg-maintscript-helper mv_conffile $PMPROXY2/$FILE $NPMPROXY/$FILE 3.7.0~ pcp -- "$@"
        dpkg-maintscript-helper mv_conffile $PMPROXY1/$FILE $NPMPROXY/$FILE 3.6.1~ pcp -- "$@"
    done

    local NPMLOGGER=/etc/pcp/pmlogger
    local PMLOGGER1=/etc/pmlogger
    local PMLOGGER2=/var/lib/pcp/config/pmlogger
    for FILE in control; do
        dpkg-maintscript-helper mv_conffile $PMLOGGER2/control $NPMLOGGER/control 3.7.0~ pcp -- "$@"
        dpkg-maintscript-helper mv_conffile $PMLOGGER1/control $NPMLOGGER/control 3.6.1~ pcp -- "$@"
    done
}
# migrate and clean configs

if dpkg-maintscript-helper supports mv_conffile
then
    _version_configs "$@"
else
    # Fallback to our homebrew method (might prompt user)
    #echo >>$PCP_LOG_DIR/install.log
    #date >>$PCP_LOG_DIR/install.log
    for base in pmcd pmie pmlogger pmproxy pmwebd
    do
	_clean_configs -v $PCP_SYSCONF_DIR/$base \
		/var/lib/pcp/config/$base \
		/etc/$base /etc/pcp/$base \
		/etc/sysconfig/$base \
	# 2>>$PCP_LOG_DIR/install.log
    done
fi