From ce0e95607d04e95b0d07a11aacbaaa4dae26bfd7 Mon Sep 17 00:00:00 2001
From: Natanael Copa <ncopa@alpinelinux.org>
Date: Mon, 13 Dec 2010 14:14:06 +0000
Subject: ap: initial implementation
ap is a helper script to parse APKBUILD and calculate build time
dependencies.
---
Makefile | 9 +++-
ap.in | 147 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
aports.lua | 105 +++++++++++++++++++++++++++++++++++++++++++
3 files changed, 259 insertions(+), 2 deletions(-)
create mode 100755 ap.in
create mode 100755 aports.lua
diff --git a/Makefile b/Makefile
index 1f8e11c..52d824d 100644
--- a/Makefile
+++ b/Makefile
@@ -7,8 +7,11 @@ sysconfdir ?= /etc
datadir ?= $(prefix)/share/$(PACKAGE)
abuildrepo ?= ~/.cache/apks
+LUA_VERSION = 5.1
+LUA_SHAREDIR ?= $(prefix)/share/lua/$(LUA_VERSION)/
+
SCRIPTS := abuild devbuild buildrepo abuild-keygen \
- abuild-sign newapkbuild abump
+ abuild-sign newapkbuild abump ap
USR_BIN_FILES := $(SCRIPTS) abuild-tar
SAMPLES := sample.APKBUILD sample.initd sample.confd \
sample.pre-install sample.post-install
@@ -65,7 +68,7 @@ help:
@echo "usage: make install [ DESTDIR=<path> ]"
@echo " make dist"
-install: $(USR_BIN_FILES) $(SAMPLES) abuild.conf functions.sh
+install: $(USR_BIN_FILES) $(SAMPLES) abuild.conf functions.sh aports.lua
mkdir -p $(DESTDIR)/$(prefix)/bin $(DESTDIR)/$(sysconfdir) \
$(DESTDIR)/$(datadir)
for i in $(USR_BIN_FILES); do\
@@ -76,6 +79,8 @@ install: $(USR_BIN_FILES) $(SAMPLES) abuild.conf functions.sh
fi
cp $(SAMPLES) $(DESTDIR)/$(prefix)/share/abuild
cp functions.sh $(DESTDIR)/$(datadir)/
+ mkdir -p $(DESTDIR)$(LUA_SHAREDIR)
+ cp aports.lua $(DESTDIR)$(LUA_SHAREDIR)/
dist: $(P).tar.bz2
diff --git a/ap.in b/ap.in
new file mode 100755
index 0000000..64b7cf9
--- /dev/null
+++ b/ap.in
@@ -0,0 +1,147 @@
+#!/usr/bin/lua
+
+require("aports")
+
+-- subcommands -----------------------
+subcmd = {}
+subcmd.revdep = {
+ desc = "Print reverse dependencies",
+ usage = "PKG...",
+ run = function(opts)
+ local i
+ local apkdb, rev = aports.init_apkdb(repodirs)
+ for i = 2, #opts do
+ local pkg = opts[i]
+ local _,p
+ for _,p in ipairs(rev[pkg] or {}) do
+ print(p.pkgname)
+ end
+ end
+ end
+}
+
+subcmd.list = {
+ desc = "Print all packages built from aports tree",
+ usage = "",
+ run = function()
+ local apkdb = aports.init_apkdb(repodirs)
+ local k,v
+ for k,v in pairs(apkdb) do
+ print(k)
+ end
+ end
+}
+
+subcmd.recursdeps = {
+ desc = "Recursively print all make dependencies for given packages",
+ usage = "PKG...",
+ run = function (opts)
+ local i
+ local visited = {}
+ local apkdb, rev = aports.init_apkdb(repodirs)
+ function recurs(pn)
+ if pn == nil or visited[pn] or apkdb[pn] == nil then
+ return
+ end
+ visited[pn] = true
+ local i,d, p
+ for i,p in ipairs(apkdb[pn]) do
+ local _, d
+ for _, d in ipairs(p.depends) do
+ recurs(d)
+ end
+ for _, d in ipairs(p.makedepends) do
+ recurs(d)
+ end
+ end
+ print(pn)
+ end
+ for i = 2, #opts do
+ recurs(opts[i])
+ end
+ end
+}
+
+subcmd.builddirs = {
+ desc = "Print the build dirs for given packages in build order",
+ usage = "PKG...",
+ run = function(opts)
+ local i, _
+ local visited = {}
+ local dir_visited = {}
+ local apkdb, rev = aports.init_apkdb(repodirs)
+ local to_print = {}
+ function recursdir(pn)
+ if pn == nil or visited[pn] or apkdb[pn] == nil then
+ return
+ end
+ visited[pn] = true
+ local i, p
+ for i,p in pairs(apkdb[pn]) do
+ if not dir_visited[p.dir] then
+ dir_visited[p.dir] = true
+ local _, d
+ for _, d in pairs(p.depends) do
+ recursdir(d)
+ end
+ for _, d in pairs(p.makedepends) do
+ recursdir(d)
+ end
+ if to_print[pn] then
+ print(p.dir)
+ end
+ end
+ end
+ end
+ for i = 2, #opts do
+ to_print[opts[i]] = true
+ end
+ for i = 2, #opts do
+ recursdir(opts[i])
+ end
+ end
+}
+
+
+function print_usage()
+ io.write("usage: ap SUBCOMMAND [options]\n\nSubcommands are:\n")
+ local k,v
+ for k in pairs(subcmd) do
+ print(" "..k)
+ end
+end
+
+-- those should be read from some config file
+repodirs = {}
+
+
+-- parse args
+i = 1
+opts = {}
+help = false
+while i <= #arg do
+ if arg[i] == "-d" then
+ i = i + 1
+ repodirs[#repodirs + 1] = arg[i]
+ elseif arg[i] == "-h" then
+ help = true
+ else
+ opts[#opts + 1] = arg[i]
+ end
+ i = i + 1
+end
+
+cmd = opts[1]
+
+if cmd == nil then
+ print_usage()
+ -- usage
+ return
+end
+
+if subcmd[cmd] and type(subcmd[cmd].run) == "function" then
+ subcmd[cmd].run(opts)
+else
+ io.stderr:write(cmd..": invalid subcommand\n")
+end
+
diff --git a/aports.lua b/aports.lua
new file mode 100755
index 0000000..44691c8
--- /dev/null
+++ b/aports.lua
@@ -0,0 +1,105 @@
+module(..., package.seeall)
+
+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
+
+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
+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
+
+
+function target_packages(pkgdb, pkgname)
+ local i,v
+ local t = {}
+ for i,v in ipairs(pkgdb[pkgname]) do
+ table.insert(t, pkgname.."-"..v.pkgver.."-r"..v.pkgrel..".apk")
+ end
+ return t
+end
+
+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
+ 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 k,v in pairs(a.makedepends) do
+ if revdeps[v] == nil then
+ revdeps[v] = {}
+ end
+ table.insert(revdeps[v], a)
+ end
+ end
+ return pkgdb, revdeps
+end
+
--
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