luci-app-opkg: support nonstandard list locations

Fixes: #3287
Signed-off-by: Jo-Philipp Wich <jo@mein.io>

diff --git a/applications/luci-app-opkg/luasrc/controller/opkg.lua b/applications/luci-app-opkg/luasrc/controller/opkg.lua
index 39c5d1fb85d45d2ec7e19ec670bfe4097d7be623..29c9a0864542842173e60f450db963792a5f2202 100644 (file)
--- a/applications/luci-app-opkg/luasrc/controller/opkg.lua
+++ b/applications/luci-app-opkg/luasrc/controller/opkg.lua
@@ -12,12 +12,25 @@ function index()
 end
 
 function action_list(mode)
+       local util = require "luci.util"
        local cmd
 
        if mode == "installed" then
                cmd = { "/bin/cat", "/usr/lib/opkg/status" }
        else
-               cmd = { "/bin/sh", "-c", [[find /tmp/opkg-lists/ -type f '!' -name '*.sig' | xargs -r gzip -cd]] }
+               local lists_dir = nil
+
+               local fd = io.popen([[sed -rne 's#^lists_dir \S+ (\S+)#\1#p' /etc/opkg.conf /etc/opkg/*.conf 2>/dev/null]], "r")
+               if fd then
+                       lists_dir = fd:read("*l")
+                       fd:close()
+               end
+
+               if not lists_dir or #lists_dir == "" then
+                       lists_dir = "/tmp/opkg-lists"
+               end
+
+               cmd = { "/bin/sh", "-c", [[find %s -type f '!' -name '*.sig' | xargs -r gzip -cd]] % util.shellquote(lists_dir) }
        end
 
        luci.http.prepare_content("text/plain; charset=utf-8")