313 lines
7.8 KiB
Ruby
Executable File
313 lines
7.8 KiB
Ruby
Executable File
#!/usr/bin/ruby -w
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# prune-non-free - split out non-free drivers, and generate kernel-source tarball.
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#
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# Copyright (C) 2005 Andres Salomon <dilinger@debian.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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FILES = %w{
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drivers/net/tg3.c
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drivers/net/tg3.h
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drivers/net/acenic.c
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drivers/net/acenic.h
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drivers/net/acenic_firmware.h
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drivers/net/dgrs.c
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drivers/net/dgrs.h
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drivers/net/dgrs_es4h.h
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drivers/net/dgrs_plx9060.h
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drivers/net/dgrs_i82596.h
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drivers/net/dgrs_ether.h
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drivers/net/dgrs_asstruct.h
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drivers/net/dgrs_bcomm.h
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drivers/net/dgrs_firmware.c
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drivers/net/tokenring/smctr.c
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drivers/net/tokenring/smctr.h
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drivers/net/tokenring/smctr_firmware.h
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drivers/scsi/qla2xxx/qla_def.h
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drivers/scsi/qla2xxx/qla_settings.h
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drivers/scsi/qla2xxx/qla_version.h
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drivers/scsi/qla2xxx/qla_gbl.h
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drivers/scsi/qla2xxx/qla_dbg.h
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drivers/scsi/qla2xxx/qla_inline.h
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drivers/scsi/qla2xxx/qla_listops.h
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drivers/scsi/qla2xxx/qla_devtbl.h
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drivers/scsi/qla2xxx/qla_os.c
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drivers/scsi/qla2xxx/qla_init.c
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drivers/scsi/qla2xxx/qla_mbx.c
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drivers/scsi/qla2xxx/qla_iocb.c
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drivers/scsi/qla2xxx/qla_isr.c
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drivers/scsi/qla2xxx/qla_gs.c
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drivers/scsi/qla2xxx/qla_dbg.c
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drivers/scsi/qla2xxx/qla_sup.c
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drivers/scsi/qla2xxx/qla_rscn.c
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drivers/scsi/qla2xxx/ql2100.c
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drivers/scsi/qla2xxx/ql2100_fw.c
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drivers/scsi/qla2xxx/ql2200.c
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drivers/scsi/qla2xxx/ql2200_fw.c
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drivers/scsi/qla2xxx/ql2300.c
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drivers/scsi/qla2xxx/ql2300_fw.c
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drivers/scsi/qla2xxx/ql2322.c
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drivers/scsi/qla2xxx/ql2322_fw.c
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drivers/scsi/qla2xxx/ql6312.c
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drivers/scsi/qla2xxx/ql6312_fw.c
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drivers/usb/media/dabusb.c
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drivers/usb/media/dabusb.h
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drivers/usb/media/dabfirmware.h
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drivers/usb/misc/emi62.c
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drivers/usb/misc/emi62_fw_m.h
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drivers/usb/misc/emi62_fw_s.h
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drivers/usb/serial/keyspan.c
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drivers/usb/serial/keyspan.h
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-drivers/usb/serial/usb-serial.h
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drivers/usb/serial/keyspan_mpr_fw.h
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drivers/usb/serial/keyspan_usa18x_fw.h
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drivers/usb/serial/keyspan_usa19_fw.h
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drivers/usb/serial/keyspan_usa19qi_fw.h
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drivers/usb/serial/keyspan_usa19qw_fw.h
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drivers/usb/serial/keyspan_usa19w_fw.h
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drivers/usb/serial/keyspan_usa28_fw.h
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drivers/usb/serial/keyspan_usa28x_fw.h
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drivers/usb/serial/keyspan_usa28xa_fw.h
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drivers/usb/serial/keyspan_usa28xb_fw.h
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drivers/usb/serial/keyspan_usa49w_fw.h
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drivers/usb/serial/keyspan_usa49wlc_fw.h
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drivers/usb/serial/keyspan_usa26msg.h
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drivers/usb/serial/keyspan_usa28msg.h
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drivers/usb/serial/keyspan_usa49msg.h
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drivers/usb/serial/keyspan_usa90msg.h
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}
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require 'tempfile'
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require 'fileutils'
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require 'open3'
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class Shell
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def Shell.quote(s)
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"'" + s.gsub("'") { |i| "'\\''" } + "'"
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end
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def Shell.quote!(s)
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s.replace(quote(s))
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end
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def Shell.command(cmd)
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if cmd.class == Array
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s = cmd.shift
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cmd.each { |arg|
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s += ' ' + Shell.quote(arg)
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}
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cmd = s
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end
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ret = Open3.popen3(cmd + ';echo $?') { |si,so,se|
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[ so.readlines, se.readlines ]
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}
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errno = ret[0].pop.to_i
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raise "Error: cannot execute command #{cmd}: #{ret[1].join('')}" if errno != 0
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ret
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end
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end
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def tmpdir
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tf = Tempfile.new('prune','.')
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FileUtils.rm_f(tf.path)
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FileUtils.mkdir_p(tf.path)
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tf.path
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end
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def kversion(file)
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tarball = File.basename(file)
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unless tarball =~ /^linux-([0-9\.]+)\.tar.*$/
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raise "cannot determine kernel version from '#{tarball}'!"
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end
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$1
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end
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def zip_type(tarball)
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if tarball =~ /\.gz$/
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'z'
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elsif tarball =~ /\.bz2/
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'j'
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else
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''
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end
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end
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def unpack(tarball, targetdir)
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unless File.exists?(tarball)
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raise "file '#{tarball}' doesn't exist!"
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end
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FileUtils.rm_rf(targetdir)
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zipped = zip_type(tarball)
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dir = Shell.command("tar #{zipped}tf " + Shell.quote(tarball) + " | head -n1")
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dir = dir[0][0].chomp
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tmp = tmpdir()
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Shell.command("tar #{zipped}xCf #{tmp} " + Shell.quote(tarball))
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FileUtils.mv("#{tmp}/#{dir}", targetdir)
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FileUtils.rm_rf(tmp)
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end
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def pack(tarball, srcdir)
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unless File.directory?(srcdir)
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raise "directory '#{srcdir}' doesn't exist!"
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end
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FileUtils.rm_f(tarball)
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zipped = zip_type(tarball)
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Shell.command("tar #{zipped}cf " + Shell.quote(tarball) + ' ' + Shell.quote(srcdir))
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end
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def rm_config_from_kconfig(mf, option)
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option = option.sub(/^CONFIG_/, '')
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kconfig = File.dirname(mf) + '/Kconfig'
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new_kconfig = File.open(kconfig + '.new', 'w')
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deleting = false
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File.open(kconfig).each { |line|
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if line.include?(option) && line =~ /^config\s+/
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deleting = true
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elsif line =~ /^(config|endmenu|comment)/
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deleting = false
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end
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new_kconfig << line unless deleting
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}
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new_kconfig.close
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FileUtils.mv(kconfig + '.new', kconfig)
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end
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def rm_config_from_makefile(mf, objects)
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new_mf = File.open(mf + '.new', 'w')
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File.open(mf).each { |line|
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objects.each { |o|
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line.gsub!(o, '')
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}
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if line !~ /=[\s\\]*$/
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new_mf << line
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end
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}
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new_mf.close
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FileUtils.mv(mf + '.new', mf)
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end
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def scan_frag(src_mf, dst_mf, objects)
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deferred = []
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File.open(src_mf).each { |line|
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if objects.find { |o| line.include?(o) } || line.include?('EXTRA_CFLAGS')
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if line =~ /\$\((CONFIG_[A-Z0-9_]+)\)/
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rm_config_from_kconfig(src_mf, $1)
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dst_mf << "EXTRA_CFLAGS += -D#{$1}=1\n"
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line.gsub!(/\$\(CONFIG_[A-Z0-9_]+\)/, 'm')
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end
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dst_mf << line
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# Work around more complex Makefile builds
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if line !~ /^\s*obj-/ && line =~ /^\s*([\w\d]+)-/
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deferred << "#{$1}.o"
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end
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# Finally, delete object
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rm_config_from_makefile(src_mf, objects)
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end
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}
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deferred
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end
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def mk_makefile(name, dst_dir, fragments)
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mf = File.open(name, 'w')
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mf << "DIR ?= /usr/src/linux\n\n"
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fragments.each { |key, val|
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objects = val
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# objects << 'EXTRA_CFLAGS' # make sure these don't get missed
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while objects.length > 0
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objects = scan_frag("#{dst_dir}/#{key}/Makefile", mf, objects)
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end
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}
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mf << "\nall:\n\t$(MAKE) -C $(DIR) M=$(CURDIR) modules\n\n"
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mf << "install:\n\t$(MAKE) -C $(DIR) M=$(CURDIR) modules_install\n\n"
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mf << "clean:\n\t$(MAKE) -C $(DIR) M=$(CURDIR) clean\n\n"
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mf.close
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end
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def dont_nuke_debian_dir(free_dir)
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name = free_dir + '/scripts/package/Makefile'
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mf = File.open(name + '.new', 'w')
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File.open(name).each { |line|
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if line !~ /\/debian\//
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mf << line
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end
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}
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mf.close
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FileUtils.mv(name + '.new', name)
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end
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raise "Usage: #{$0} <kernel tarball>" unless ARGV.length == 1
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# Create source directories
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version = kversion(ARGV[0])
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free_dir = "kernel-source-#{version}-#{version}"
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nonfree_dir = "kernel-source-nonfree-#{version}-#{version}"
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unpack(ARGV[0], free_dir)
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FileUtils.mkdir_p(nonfree_dir)
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# Move or copy non-free and support files into non-free directory
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makefiles = {}
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FILES.each { |f|
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copy = false
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if f =~ /^-/
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f.sub!(/^-/, '')
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copy = true
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end
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file = File.basename(f)
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dir = File.dirname(f)
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# Move or copy file into non-free
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if copy
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FileUtils.cp("#{free_dir}/#{f}", nonfree_dir)
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else
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FileUtils.mv("#{free_dir}/#{f}", nonfree_dir)
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end
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# Add makefile fragment
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if file =~ /\.c$/
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obj = file.sub(/\.c$/, '.o')
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makefiles[dir] ||= []
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makefiles[dir] << obj unless makefiles[dir].index(obj)
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end
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}
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# Generate non-free driver's makefile
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mk_makefile("#{nonfree_dir}/Makefile", free_dir, makefiles)
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dont_nuke_debian_dir(free_dir)
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# Tar up the kernel source trees
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pack("kernel-source-#{version}_#{version}.orig.tar.gz", free_dir)
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FileUtils.rm_rf(free_dir)
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pack("kernel-source-nonfree-#{version}_#{version}.orig.tar.gz", nonfree_dir)
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FileUtils.rm_rf(nonfree_dir)
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exit(0)
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