1 # fixpax - fix ownership in bdist_mpkg output

     2 #

     3 # Copyright 2015 Matt Mackall <mpm@selenic.com>

     4 #

     5 # This software may be used and distributed according to the terms of the

     6 # MIT license (http://opensource.org/licenses/MIT)

     7 

     8 """Set file ownership to 0 in an Archive.pax.gz.

     9 Suitable for fixing files bdist_mpkg output:

    10 *.mpkg/Contents/Packages/*.pkg/Contents/Archive.pax.gz

    11 """

    12 

    13 import sys, os, gzip

    14 

    15 def fixpax(iname, oname):

    16     i = gzip.GzipFile(iname)

    17     o = gzip.GzipFile(oname, "w")

    18 

    19     while True:

    20         magic = i.read(6)

    21         dev = i.read(6)

    22         ino = i.read(6)

    23         mode = i.read(6)

    24         i.read(6) # uid

    25         i.read(6) # gid

    26         nlink = i.read(6)

    27         rdev = i.read(6)

    28         mtime = i.read(11)

    29         namesize = i.read(6)

    30         filesize = i.read(11)

    31         name = i.read(int(namesize, 8))

    32         data = i.read(int(filesize, 8))

    33 

    34         o.write(magic)

    35         o.write(dev)

    36         o.write(ino)

    37         o.write(mode)

    38         o.write("000000")

    39         o.write("000000")

    40         o.write(nlink)

    41         o.write(rdev)

    42         o.write(mtime)

    43         o.write(namesize)

    44         o.write(filesize)

    45         o.write(name)

    46         o.write(data)

    47 

    48         if name.startswith("TRAILER!!!"):

    49             o.write(i.read())

    50             break

    51 

    52     o.close()

    53     i.close()

    54 

    55 if __name__ == '__main__':

    56     for iname in sys.argv[1:]:

    57         print 'fixing file ownership in %s' % iname

    58         oname = sys.argv[1] + '.tmp'

    59         fixpax(iname, oname)

    60         os.rename(oname, iname)