#!/usr/bin/awk -f
##==============================================================================
## OpenWrt repository mirror script.
##------------------------------------------------------------------------------
## TODO:
## - Delete packages not mentioned in the Packages file.
## - Make local target path absolute.
##==============================================================================
BEGIN {
        Dir["reboot_core"]      = "downloads.lede-project.org/releases/17.01.4/targets/x86/legacy/packages"
        Dir["reboot_base"]      = "downloads.lede-project.org/releases/17.01.4/packages/i386_pentium/base"
        Dir["reboot_luci"]      = "downloads.lede-project.org/releases/17.01.4/packages/i386_pentium/luci"
        Dir["reboot_packages"]  = "downloads.lede-project.org/releases/17.01.4/packages/i386_pentium/packages"
        Dir["reboot_routing"]   = "downloads.lede-project.org/releases/17.01.4/packages/i386_pentium/routing"
        Dir["reboot_telephony"] = "downloads.lede-project.org/releases/17.01.4/packages/i386_pentium/telephony"
        for(Component in Dir) {
                DestDir = Dir[Component]
                BaseURL = "http://"DestDir
                ##
                ## make sure Destdir exists
                ##
                system("test -d "DestDir" || mkdir -p "DestDir)
                ##
                ## get Packages.gz, save it and unpack to Packages on the fly
                ##
                GetPackages = "cd "DestDir" && wget -cO- "BaseURL"/Packages.gz | tee Packages.gz | gzip -dc | tee Packages"
                GetIPKs     = "cd "DestDir" && wget -ci-"
                ##
                ## @@@todo@@@ add error checking here
                ##
                while( GetPackages | getline ) {
                        if ( /^Filename: / )
                                print BaseURL"/"$2 | GetIPKs
                }
                close( GetPackages )
                close( GetIPKs )
        }
}