#/bin/bash

############################################################

# #

# This code is written for Lunar Linux, see #

# http://lunar-linux.org #

# #

############################################################

# #

# $FUNCTIONS/sources #

# includes sources, md5_verify_source, verify_sources #

# verify_source #

# #

# 20020604 #

# #

############################################################

# #

# Copyrighted Kagan Kongar 2002 under GPLv2 #

# #

############################################################

verify_source() {

local VERIFIED SOURCE_FILE

debug_msg "verify_source ($@)"

VERIFIED="true"

for SOURCE_FILE in $@ ; do

if [ ! -f $SOURCE_CACHE/$1 ] ; then

message "${PROBLEM_COLOR}Missing ${FILE_COLOR}${1}${DEFAULT_COLOR}"

message "${PROBLEM_COLOR}Lunar Install aborting.${DEFAULT_COLOR}"

activity_log "lin" "$MODULE" "$VERSION" "failed" "because it was missing source: $1"

return 1

fi

done

}

# function : sources

# usage : sources <module_name>

# purpose : displays the sources needed for a given module

sources() {

(

debug_msg "sources ($@)"

MAX_SOURCES=${MAX_SOURCES:-100}

if ! run_details $1 ; then

return 1

fi

for (( CNT=1; CNT<=$MAX_SOURCES; CNT++ )) ; do

TEMP=SOURCE$((CNT))

TEMP=${TEMP/%SOURCE1/SOURCE}

eval SRC=\$${TEMP}

[ -z "$SRC" ] && break

echo $SRC

done

)

}

erase() {

debug_msg "erase ($@)"

if [ "$PARTIAL" == "off" ]; then

debug_msg "erase: deleting \"$1\""

rm -f $1

fi

}

unpack() {

local FILENAME

debug_msg "unpack ($@)"

FILENAME=$SOURCE_CACHE/$1

verbose_msg "Unpacking \"$FILENAME\" in \"$(pwd)\""

plugin_call SOURCE_UNPACK $SOURCE_CACHE/$1

if [ "$?" != 0 ] ; then

message "${PROBLEM_COLOR}! Error while unpacking ${FILE_COLOR}$SOURCE_CACHE/$1${DEFAULT_COLOR}${PROBLEM_COLOR}${DEFAULT_COLOR}"

return 1

fi

}

# usage: verify_all_sources $MODULE

# check all sources regarding verification method

verify_all_sources() {

(

debug_msg "verify_all_sources ($@)"

MAX_SOURCES=${MAX_SOURCES:-100}

if ! run_details $1 ; then

return 1

fi

if [ -n "$WANT_VERSION" ] ; then

message "${PROBLEM_COLOR}WARNING:${DEFAULT_COLOR}${MESSAGE_COLOR} Integrity checking is disabled when using \"--want\"!${DEFAULT_COLOR}"

return 0

fi

for (( C=1 ; C<=$MAX_SOURCES ; C++ )) ; do

TEMP=SOURCE$((C))

TEMP=${TEMP/%SOURCE1/SOURCE}

eval SRC=\$${TEMP}

[ -z "$SRC" ] && break

# it needs to exist prior before we can check it:

if ! verify_source $SRC ; then

return 1

fi

eval VFYS=\${${TEMP}_VFY[@]}

# cumulate result:

unset RESULT

if [ -n "$VFYS" ] ; then

# we need to check ALL args for validity... if one fails we should not

# trust the source

for VFY in $VFYS ; do

plugin_call SOURCE_VERIFY $SRC $VFY

if [ $? == 1 ]; then

RESULT=1

fi

done

# so what if?

if [ "$RESULT" == "1" ] ; then

# remove?

MODULE=$1

message "${MESSAGE_COLOR}You should remove ${DEFAULT_COLOR}${FILE_COLOR}$SRC${DEFAULT_COLOR}${MESSAGE_COLOR} !${DEFAULT_COLOR}"

if query "Remove \"$SOURCE_CACHE/$SRC\" ? " y ; then

rm -f $SOURCE_CACHE/$SRC

fi

fi

fi

done

# result?

if [ -n "$RESULT" ] ; then

return 1

fi

# if we removed something we better make sure we break:

if ! verify_source $(sources $1) ; then

return 1

fi

)

}

rm_source_dir() {

local DEAD_DIR

debug_msg "rm_source_dir ($@)"

if [ "$KEEP_SOURCE" == "on" ] ; then

return 0

fi

cd $BUILD_DIRECTORY

DEAD_DIR=$1

DEAD_DIR=${DEAD_DIR:-$SOURCE_DIRECTORY}

verbose_msg "destroying building dir \"$DEAD_DIR\""

if grep -q $DEAD_DIR /proc/mounts

then

umount $DEAD_DIR

fi

rm -rf $DEAD_DIR 2> /dev/null

}

mk_source_dir() {

local NEW_DIR

debug_msg "mk_source_dir ($@)"

# yes this sounds weird but it might happen: no dir $BUILD_DIRECTORY on

# clean boxes!

if [ ! -e "$BUILD_DIRECTORY" ] ; then

mkdir -p "$BUILD_DIRECTORY"

fi

cd "$BUILD_DIRECTORY"

NEW_DIR=$1

NEW_DIR=${NEW_DIR:-$SOURCE_DIRECTORY}

verbose_msg "creating building dir \"$NEW_DIR\""

if [ -d $NEW_DIR ] ; then

verbose_msg "Removing old source directory first!"

rm_source_dir $NEW_DIR

fi

mkdir -p $NEW_DIR

if [ ${KEEP_SOURCE:-off} != on -a ${TMPFS_BUILD:-off} == on ]

then

if grep $NEW_DIR /proc/mounts > /dev/null

then

umount $NEW_DIR

fi

mount -t tmpfs tmpfs $NEW_DIR

fi

}

validate_source_dir() {

debug_msg "validate_source_dir ($@)"

verbose_msg "validating \"$SOURCE_DIRECTORY\""

if [[ -n $SOURCE_DIRECTORY &&

$SOURCE_DIRECTORY != $BUILD_DIRECTORY &&

$SOURCE_DIRECTORY =~ $BUILD_DIRECTORY ]]; then

true

else

message "\$SOURCE_DIRECTORY and \$BUILD_DIRECTORY must not be the same."

message "\$SOURCE_DIRECTORY must not be empty."

message "\$SOURCE_DIRECTORY must be a subdirectory of \$BUILD_DIRECTORY"

false

fi

}