apk-tools Code

#!/bin/sh

META_SUFFIX=".tar.gz"

# Init ths insaled package database
db_init() {
	mkdir -p ${APKDB}
}

# Get description
db_get_description() {
	local pkgv
	pkgv=$1
	if [ "$APK_NOCOMPRESS" ] ; then
		cat $APKDB/$pkgv/DESC
	else
		tar -zxf $APKDB/$pkgv$META_SUFFIX -O ${pkgv}/DESC 
	fi
}

# All installed pacages
db_all_installed() {
	local opwd i
	opwd=`pwd`
	cd ${APKDB}
	ls -d *-[0-9]* 2>/dev/null | sed 's/'$META_SUFFIX'$//'
	cd $opwd
}


############################################################
## all installed packages with description
#db_all_installed_with_desc() {
#	local opwd
#	opwd=`pwd`
#	cd ${APKDB}
#	for i in *$META_SUFFIX ; do
#		pkgv=`basename $i $META_SUFFIX`
#		echo -n -e "$pkgv\t"
#		echo `db_get_description ${pkgv}`
#	done
#	cd $opwd
#}

##########################################################
# is package installed?
# returns pkgv or nothing if pkg is not installed
db_get_installed_pkgv() {
	local p=$1 
	local regexp
	if has_version $p ; then
		regexp="^$p\$"
	else
		regexp="^$p-[0-9].*"
	fi
	db_all_installed | grep "$regexp"
}

############################################################
db_decompress_meta() {
	local metafile="$APKDB/$1$META_SUFFIX"
	[ "$APK_NOCOMPRESS" ] && return
	[ ! -f "$metafile" ] && die "$1 does not seem to be installed."
	tar -C $APKDB -zxf $metafile
}


#############################################################
db_compress_meta() {
	local opwd metaball pkgv
	[ "$APK_NOCOMPRESS" ] && return
	opwd=`pwd`
	pkgv=$1
	metaball="$pkgv$META_SUFFIX"
	cd $APKDB
	[ ! -d "$pkgv" ] &&\
		die "db_compress_meta: $APKDB/$pkgv is not a directory or is missing"
	rm -f $metaball
	tar -czf $metaball $pkgv
	rm -rf $pkgv
	cd $opwd
}

db_register_required_by() {
	local pkgv="`db_get_installed_pkgv $1`"
	local reqby_pkgv=$2
	[ -z "$pkgv" ] && return 1
	db_decompress_meta $pkgv
	echo "$reqby_pkgv" >> $APKDB/$pkgv/REQUIRED_BY
	db_compress_meta $pkgv
}


db_unregister_required_by() {
	local pkgv="`db_get_installed_pkgv $1`"
	local reqby_pkgv=$2
	local reqbys
	local rbfile=$APKDB/$pkgv/REQUIRED_BY
	[ -z "$pkgv" ] && return 1
	db_decompress_meta $pkgv
	if [ -f "$rbfile" ] ; then
		reqbys="`cat $rbfile | grep -v $reqby_pkgv`"
		if [ "$reqby" ] ; then
			echo "$reqbys" > $rbfile
		else
			rm -f $rbfile
		fi
	fi
	db_compress_meta $pkgv
}


#############################################################
#db_pkgv_metafile() {
#	local opwd pkgv
#	opwd=`pwd`
#	pkgv=$1
#	cd ${APKDB}
#	tar -zxf ${pkgv}$META_SUFFIX -O ${pkgv}/$2
#	cd $opwd
#}
#
#db_pkgv_listfiles() {
#	db_pkgv_metafile $1 CONTENTS
#}
#
#
#db_pkgv_backupfiles() {
#	db_pkgv_metafile $1 BACKUPFILES
#}
#
############################################################
## create sha1 sum of package files
## Needs the meta to be in $APK_TMPDIR
#create_sha1sum() {
#	local sha1file listfile opwd
#	opwd=`pwd`
#	listfile=${APK_TMPDIR}/${1}/CONTENTS
#	sha1file=${APK_TMPDIR}/${1}/SHA1
#	cd $ROOT
#	rm -f ${sha1file}
#	while read i ; do
#		[ -f ${i} ] && sha1sum ${i} >> ${sha1file}
#	done < ${listfile}
#	cd $opwd
#}
#
#
############################################################
## Create sha1 sum of backup files
#create_backup_sha1sum() {
#	local sha1file listfile opwd
#	opwd=`pwd`
#	listfile=${APK_TMPDIR}/${1}/BACKUPFILES
#	# if there is no config file, just return
#	[ ! -f $listfile ] && return
#	sha1file=${APKDB}/${1}.cfg.sha1
#	cd ${ROOT}
#	rm -f ${sha1file}
#	while read i ; do
#		[ -f ${i} ] && sha1sum ${i} >> ${sha1file}
#	done < ${listfile}
#	cd $opwd
#}
#
#

db_get_pkgv_meta() {
	if [ "$APK_NOCOMPRESS" ] ; then
		cat "$APKDB/$1/$2" 2>/dev/null
	else
		tar -O -zxf $APKDB/$1$META_SUFFIX $1/$2 2>/dev/null
	fi
}

db_get_pkgv_deps() {
	db_get_pkgv_meta "$1" DEPEND
}

db_get_pkgv_reqby() {
	db_get_pkgv_meta "$1" REQUIRED_BY
}

# return a list of installed pkgv's from given glob
db_glob() {
	local sufx re
	[ -z "$APK_NOCOMPRESS" ] && sufx=".tar.gz"
	if echo "$1" | grep "^:" >/dev/null ; then
		re=`echo "$1" | sed 's/^://'`
		db_all_installed | grep "$re"
	elif has_wildcard "$1" || has_version "$1" ; then
		ls $APKDB/$1$sufx 2>/dev/null | sed 's|.*/|| ; s|'$META_SUFFIX'||'
	else
		ls $APKDB/$1-[0-9]* 2>/dev/null | sed 's|.*/|| ; s|'$META_SUFFIX'||'
	fi
}

# remove all meta data for given package
db_zap_pkgv_meta() {
	local p="$APKDB/$1"
	local pgz="$p$META_SUFFIX"
	[ -d "$p" ] && rm -rf "$p"
	[ -f "$pgz" ] && rm -f "$pgz"
}