abuild/aports.lua

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module(..., package.seeall)
abuild_conf_file = "/etc/abuild.conf"
local abuild_conf = {}
function get_abuild_conf(var)
-- check cache
if abuild_conf[var] ~= nil then
return abuild_conf[var]
end
-- use os env var
abuild_conf[var] = os.getenv(var)
if abuild_conf[var] ~= nil then
return abuild_conf[var]
end
-- parse config file
local f = io.popen(" . "..abuild_conf_file..' ; echo -n "$'..var..'"')
abuild_conf[var] = f:read("*all")
f:close()
return abuild_conf[var]
end
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local function split_subpkgs(str)
local t = {}
local e
if (str == nil) then
return nil
end
for e in string.gmatch(str, "%S+") do
t[#t + 1] = string.gsub(e, ":.*", "")
end
return t
end
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local function split(str)
local t = {}
local e
if (str == nil) then
return nil
end
for e in string.gmatch(str, "%S+") do
t[#t + 1] = e
end
return t
end
local function split_apkbuild(line)
local r = {}
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local dir,pkgname, pkgver, pkgrel, arch, depends, makedepends, subpackages, source = string.match(line, "([^|]*)|([^|]*)|([^|]*)|([^|]*)|([^|]*)|([^|]*)|([^|]*)|([^|]*)|([^|]*)")
r.dir = dir
r.pkgname = pkgname
r.pkgver = pkgver
r.pkgrel = pkgrel
r.depends = split(depends)
r.makedepends = split(makedepends)
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r.subpackages = split_subpkgs(subpackages)
r.source = split(source)
return r
end
-- parse the APKBUILDs and return an iterator
local function parse_apkbuilds(dirs)
local i,v, p
local str=""
if dirs == nil then
return nil
end
--expand repos
for i,v in ipairs(dirs) do
str = str..v.."/*/APKBUILD "
end
local p = io.popen([[
for i in ]]..str..[[; do
pkgname=
pkgver=
pkgrel=
arch=
depends=
makedepends=
subpackages=
source=
dir="${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
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function is_remote(url)
local _,pref
for _,pref in pairs{ "^http://", "^ftp://", "^https://" } do
if string.match(url, pref) then
return true
end
end
return false
end
-- iterate over all entries in source and execute the function for remote
function foreach_remote_source(p, func)
local _,s
if p == nil or type(p.source) ~= "table" then
return
end
for _,url in pairs(p.source) do
if is_remote(url) then
func(url)
end
end
end
function get_maintainer(pkg)
if pkg == nil or pkg.dir == nil then
return nil
end
local f = io.open(pkg.dir.."/APKBUILD")
if f == nil then
return nil
end
local line
for line in f:lines() do
local maintainer = line:match("^%s*#%s*Maintainer:%s*(.*)")
if maintainer then
f:close()
return maintainer
end
end
f:close()
return nil
end
function get_repo_name(pkg)
if pkg == nil or pkg.dir == nil then
return nil
end
return string.match(pkg.dir, ".*/(.*)/.*")
end
function get_apk_filename(pkg)
return pkg.pkgname.."-"..pkg.pkgver.."-r"..pkg.pkgrel..".apk"
end
function get_apk_file_path(pkg)
local pkgdest = get_abuild_conf("PKGDEST")
if pkgdest ~= nil and pkgdest ~= "" then
return pkgdest.."/"..get_apk_filename(pkg)
end
local repodest = get_abuild_conf("REPODEST")
if repodest ~= nil and repodest ~= "" then
local arch = get_abuild_conf("CARCH")
return repodest.."/"..get_repo_name(pkg).."/"..arch.."/"..get_apk_filename(pkg)
end
return pkg.dir.."/"..get_apk_filename(pkg)
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
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function Aports:foreach_aport(f)
self:foreach(function(pkgname)
self:foreach_pkg(pkgname, function(i, pkg)
if pkgname == pkg.pkgname then
f(pkg)
end
end)
end)
end
function new(repodirs)
local h = Aports
h.repodirs = repodirs
h.apks, h.revdeps = init_apkdb(repodirs)
return h
end