apk-tools Code

#!/bin/sh

# Init the cached index.
# fetch from repository to $APK_CACHE if not existing.
# sets the global variable INDEX_CACHE
index_init() {
	mkdir -p $APK_CACHE
	if [ ! -f "$CACHED_INDEX" ] ; then
		mkdir -p `dirname $CACHED_INDEX`
		fetch $INDEX_URI $APK_CACHE
	fi
}

# update the cached index. If the fetch fails, rollback to the current index.
index_update() {
	mv $CACHED_INDEX $CACHED_INDEX.backup
	if fetch $INDEX_URI $APK_CACHE ; then
		rm $CACHED_INDEX.backup
	else
		mv $CACHED_INDEX.backup $CACHED_INDEX
		return 1
	fi
}

# functions that queries the cached index
# parameter: DEPEND | REQURIED_BY | SHASUMS
index_cat() {
	index_init
	tar -O -zxf $CACHED_INDEX $1
}

#index_get_deps() {
#	local pkg
#	pkg=`rm_ver $1`
#	index_cat DEPEND | grep "^${pkg}:" | cut -d : -f 2
#}
#
# reqursively find all dependencies
#index_recurse_deps() {
#	local i
#	for i in `index_get_deps $1` ; do
#		index_recurse_deps $i
#	done
#	echo $1
#}
#
#index_all_deps() {
#	index_recurse_deps $1 | sort | uniq
#}
#
#index_get_reqs() {
#	local pkg
#	pkg=`rm_ver $1`
#	index_cat REQUIRED_BY | grep "^${pkg}:" | cut -d : -f 2
#}

# get the package filename (without path)
# parameter can either be a: 
#   pkgf - just return the parameter
#   pkgv - just append .apk
#   pkg -  append version number and .apk
#
index_get_pkgf() {
	local regexp p=$1
	if is_apk $p ; then
		echo $p
		return
	elif has_version $p ; then
		regexp=" $p.apk"
	else
		regexp=" $p-[0-9].*"
	fi
	index_cat SHASUMS | awk "/$regexp/ {print \$2}" | tail -n 1
}

# get the package name-version from index
index_get_pkgv() {
	basename `index_get_pkgf $1` .apk
}

# Append APK_PATH if parameter is not an uri (contains "^[a-z]*:/")
# if parameter is not an apk, find the version number also
index_get_uri() {
	local pkgf p=$1
	if is_uri $p ; then
		echo $p
	elif is_apk $p ; then
		echo "$APK_PATH/$p"
	else
		pkgf=`index_get_pkgf $p`
		# return error in case the package is not in index
		[ -z "$pkgf" ] && return 1
		echo "$APK_PATH/$pkgf"
	fi
}