scripts/sysroot-relativelinks.py

   1 #!/usr/bin/env python3
   2 #
   3 # SPDX-License-Identifier: GPL-2.0-only
   4 #
   5
   6 import sys
   7 import os
   8
   9 # Take a sysroot directory and turn all the abolute symlinks and turn them into
  10 # relative ones such that the sysroot is usable within another system.
  11
  12 if len(sys.argv) != 2:
  13     print("Usage is " + sys.argv[0] + "<directory>")
  14     sys.exit(1)
  15
  16 topdir = sys.argv[1]
  17 topdir = os.path.abspath(topdir)
  18
  19 def handlelink(filep, subdir):
  20     link = os.readlink(filep)
  21     if link[0] != "/":
  22         return
  23     if link.startswith(topdir):
  24         return
  25     #print("Replacing %s with %s for %s" % (link, topdir+link, filep))
  26     print("Replacing %s with %s for %s" % (link, os.path.relpath(topdir+link, subdir), filep))
  27     os.unlink(filep)
  28     os.symlink(os.path.relpath(topdir+link, subdir), filep)
  29
  30 for subdir, dirs, files in os.walk(topdir):
  31     for f in dirs + files:
  32         filep = os.path.join(subdir, f)
  33         if os.path.islink(filep):
  34             #print("Considering %s" % filep)
  35             handlelink(filep, subdir)