source: tags/confman-1.5.6a5/confmancommon.sh @ 212

#! /bin/bash

##
# This file is a global include for all confman-based utilities. It
# provides the common interfaces for loading the shell library, setting
# up the use of syslog, and reading configurations.
#
# Author:   Chris Cowart <ccowart@rescomp.berkeley.edu>
#           4 December 2006
#
# $Id: confmancommon.sh 1302 2008-01-17 02:55:18Z mattea $
##

# Some global definitions. Defaults that can be overriden by options.
GCONF="/usr/local/rescomp/etc/confman.conf"
UCONF="${HOME}/.confmanrc"
MYNAME=`basename $0`
if [ -z $MY_PID ] ; then
    MY_PID="$$"
fi
# First things first. Check to see if the logging fd is open. If it's not,
# we re-spawn confman inside a pipe.
if (true >&5) 2>/dev/null ; then
        exec 4>&2 2>&5 >&3-
else
        exec 3>&1
        exec $0 "$@" 5>&1 1>&3 | logger -t "$MYNAME[$$]: $USER" -s
        exit ${PIPESTATUS[0]}
fi

# Get the global config
if [ -f $GCONF ] ; then 
        . $GCONF
else
        echo "Global config file couldn't be located" >&2
        exit 1
fi

if [ -z "$UNAME" ] ; then
    UNAME=`uname`
fi
case $UNAME in
    FreeBSD)
    install_cmd="install -Sp" 
    mktemp_file="mktemp -t confman"
    mktemp_dir="mktemp -d -t confman"
    sed_cmd="sed -E"
    stat_cmd="stat -f"
    stat_args="mode=%Mp%Lp owner=%Su group=%Sg"
    readlink_cmd="greadlink"
    ;;
    Linux)
    install_cmd="install -p"
    mktemp_file="mktemp -t confman.XXXXXX"
    mktemp_dir="mktemp -t -d confman.XXXXXX"
    sed_cmd="sed -r"
    stat_cmd="stat -c"
    stat_args="mode=%a owner=%U group=%G"
    readlink_cmd="readlink"
    ;;
    *)
    install_cmd="install -Sp" 
    mktemp_file="mktemp -t confman"
    mktemp_dir="mktemp -d -t confman"
    sed_cmd="sed -E"
    stat_cmd="stat -f"
    stat_args="mode=%Mp%Lp owner=%Su group=%Sg"
    readlink_cmd="greadlink"
    ;;
esac

# Get the user config
if [ -f $UCONF ] ; then
        . $UCONF
fi

# Set debugging:
if [ -z $DEBUG ] ; then
        DEBUG="false"
fi

if [ -z "$REPO_DB" ] || [ -z "$CONF_EXPORT_FILE" ] \
    || [ -z "$CONF_EXPORT_URI" ] || [ -z "$CONF_GROUP" ] ; then
    echo "$GCONF is out-of-date. Please see the ChangeLog" >&2
    exit 1
fi

# Now, we source the library
if [ -f $REPO_LIBRARY ] ; then
        . $REPO_LIBRARY
else
        echo "Couldn't source the confman shell library" >&2
        exit 1
fi

# Test if the specified group exists before setting folder groups
if ! [ -d "$REPO_DB" ] ; then
        if ! [ conf_checkgroup ]; then
                sudo $install_cmd -d -o root -m 770 "$REPO_DB"
        else
                sudo $install_cmd -d -o root -g $CONF_GROUP -m 770 "$REPO_DB"
        fi
        sudo chmod g+s "$REPO_DB"
fi

# And the documentation library
if [ -f $REPO_DOCS ] ; then
        . $REPO_DOCS
else
        echo "Couldn't source the confman shell library" >&2
        exit 1
fi

# And we read in the layers that make this host
if [ -f $RECIPE_PATH ] ; then
        LAYERS=`cat $RECIPE_PATH | grep "^[^#]"`
else
        echo "Couldn't read the host's recipe!" >&2
        exit 1
fi

# And we'll set a trap:
trap "conf_cleanExit" SIGINT SIGTERM SIGHUP