From 6a3e565f81b70a720e5a0f7409c43d4843ce6b36 Mon Sep 17 00:00:00 2001
From: Natanael Copa <ncopa@alpinelinux.org>
Date: Thu, 23 Jan 2014 15:53:07 +0000
Subject: apkrepo: new lua mode

add update_index implementation
---
 aports/apkrepo.lua | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 aports/apkrepo.lua

diff --git a/aports/apkrepo.lua b/aports/apkrepo.lua
new file mode 100644
index 0000000..4418670
--- /dev/null
+++ b/aports/apkrepo.lua
@@ -0,0 +1,27 @@
+local M = {}
+
+local lfs = require('lfs')
+
+function M.update_index(dir, arch, description)
+	local indexopt=""
+	local descriptionopt=""
+	local olddir = lfs.currentdir()
+	local archdir = ("%s/%s"):format(dir, arch)
+	assert(lfs.chdir(archdir), archdir)
+	local signed_index = "APKINDEX.tar.gz"
+	local unsigned_index = "APKINDEX.tar.gz.unsigned"
+	if lfs.attributes(signed_index) ~= nil then
+		indexopt = "--index "..signed_index
+	end
+	if description then
+		descriptionopt="--description "..description
+	end
+	local indexcmd = ("apk index --quiet %s %s --output '%s' --rewrite-arch %s *.apk"):format(indexopt, descriptionopt, unsigned_index, arch)
+	local signcmd = "abuild-sign -q "..unsigned_index
+	assert(os.execute(indexcmd), indexcmd)
+	assert(os.execute(signcmd), signcmd)
+	assert(os.rename(unsigned_index, signed_index), signed_index)
+	lfs.chdir(olddir)
+end
+
+return M
-- 
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