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module(..., package.seeall)
local function split(str)
local t = {}
local e
if (str == nil) then
return nil
end
for e in string.gmatch(str, "%S+") do
t[#t + 1] = string.gsub(e, ":.*", "")
end
return t
end
local function split_apkbuild(line)
local r = {}
local dir,pkgname, pkgver, pkgrel, arch, depends, makedepends, subpackages, source = string.match(line, "([^|]*)|([^|]*)|([^|]*)|([^|]*)|([^|]*)|([^|]*)|([^|]*)|([^|]*)")
r.dir = dir
r.pkgname = pkgname
r.pkgver = pkgver
r.pkgrel = pkgrel
r.depends = split(depends)
r.makedepends = split(makedepends)
r.subpackages = split(subpackages)
r.source = split(source)
return r
end
-- parse the APKBUILDs and return an iterator
local function parse_apkbuilds(dirs)
local i,v, p
local str=""
if dirs == nil then
return nil
end
--expand repos
for i,v in ipairs(dirs) do
str = str..v.."/*/APKBUILD "
end
local p = io.popen([[
for i in ]]..str..[[; do
pkgname=
pkgver=
pkgrel=
arch=
depends=
makedepends=
subpackages=
source=
dir="${i%/APKBUILD}"
cd "$dir"
. ./APKBUILD
echo $dir\|$pkgname\|$pkgver\|$pkgrel\|$arch\|$depends\|$makedepends\|$subpackages\|$source
done
]])
return function()
local line = p:read("*line")
if line == nil then
p:close()
return nil
end
return split_apkbuild(line)
end
end
-- return a key list with makedepends and depends
function all_deps(p)
local m = {}
local k,v
if p == nil then
return m
end
if type(p.depends) == "table" then
for k,v in pairs(p.depends) do
m[v] = true
end
end
if type(p.makedepends) == "table" then
for k,v in pairs(p.makedepends) do
m[v] = true
end
end
return m
end
local function init_apkdb(repodirs)
local pkgdb = {}
local revdeps = {}
local a
for a in parse_apkbuilds(repodirs) do
-- io.write(a.pkgname.." "..a.pkgver.."\t"..a.dir.."\n")
if pkgdb[a.pkgname] == nil then
pkgdb[a.pkgname] = {}
end
a.all_deps = all_deps
table.insert(pkgdb[a.pkgname], a)
-- add subpackages to package db
local k,v
for k,v in pairs(a.subpackages) do
if pkgdb[v] == nil then
pkgdb[v] = {}
end
table.insert(pkgdb[v], a)
end
-- add to reverse dependencies
for v in pairs(all_deps(a)) do
if revdeps[v] == nil then
revdeps[v] = {}
end
table.insert(revdeps[v], a)
end
end
return pkgdb, revdeps
end
local Aports = {}
function Aports:recurs_until(pn, func)
local visited={}
local apkdb = self.apks
function recurs(pn)
if pn == nil or visited[pn] or apkdb[pn] == nil then
return false
end
visited[pn] = true
local _, p
for _, p in pairs(apkdb[pn]) do
local d
for d in pairs(all_deps(p)) do
if recurs(d) then
return true
end
end
end
return func(pn)
end
return recurs(pn)
end
function Aports:target_packages(pkgname)
local i,v
local t = {}
for k,v in pairs(self.apks[pkgname]) do
table.insert(t, pkgname.."-"..v.pkgver.."-r"..v.pkgrel..".apk")
end
return t
end
function Aports:foreach(f)
local k,v
for k,v in pairs(self.apks) do
f(k,v)
end
end
function Aports:foreach_revdep(pkg, f)
local k,v
for k,v in pairs(self.revdeps[pkg] or {}) do
f(k,v)
end
end
function Aports:foreach_pkg(pkg, f)
local k,v
if self.apks[pkg] == nil then
io.stderr:write("WARNING: "..pkg.." has no data\n")
end
for k,v in pairs(self.apks[pkg]) do
f(k,v)
end
end
function new(repodirs)
local h = Aports
h.repodirs = repodirs
h.apks, h.revdeps = init_apkdb(repodirs)
return h
end
|
