[Bug 1220125] Re: error setting ownership of symlink `<..>/hot.json.dpkg-new': Operation not permitte

[Loïc Minier]

I can reproduce this and straced the whole of packagekitd doing the
install; the failing syscall seems to be lchown32 on a newly created
symlink:

1893  read(8, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
1893  lstat64("/opt/click.ubuntu.com/com.ubuntu.developer.mhall119.ureadit/0.9.2/debug/hot.json", 0xbeca0c90) = -1 ENOENT (No such file or directory)
1893  rename("/opt/click.ubuntu.com/com.ubuntu.developer.mhall119.ureadit/0.9.2/debug/hot.json.dpkg-tmp", "/opt/click.ubuntu.com/com.ubuntu.developer.mhall119.ureadit/0.9.2/debug/hot.json") = -1 ENOENT (No such file or directory)
1893  rmdir("/opt/click.ubuntu.com/com.ubuntu.developer.mhall119.ureadit/0.9.2/debug/hot.json.dpkg-new") = -1 ENOENT (No such file or directory)
1893  rmdir("/opt/click.ubuntu.com/com.ubuntu.developer.mhall119.ureadit/0.9.2/debug/hot.json.dpkg-tmp") = -1 ENOENT (No such file or directory)
1893  symlink("frontpage.json", "/opt/click.ubuntu.com/com.ubuntu.developer.mhall119.ureadit/0.9.2/debug/hot.json.dpkg-new") = 0
1893  lchown32("/opt/click.ubuntu.com/com.ubuntu.developer.mhall119.ureadit/0.9.2/debug/hot.json.dpkg-new", 0, 0) = -1 EPERM (Operation not permitted)
1893  write(2, "dpkg: error processing /home/pha"..., 322) = 322

dpkg-deb -c com.ubuntu.developer.mhall119.ureadit-0.9.2.click\?noauth\=1 |grep hot
lrwxrwxrwx root/root         0 2013-03-23 15:57 ./debug/hot.json -> frontpage.json
lrwxrwxrwx root/root         0 2013-03-23 16:06 ./debug/r/ubuntu/hot.json -> ../ubuntu.json

phablet at ubuntu-phablet:~$ dpkg-deb -c com.ubuntu.developer.mhall119.ureadit-0.9.2.click\?noauth\=1 |grep frontpage
-rw-rw-r-- root/root     40728 2013-03-23 15:47 ./debug/frontpage.json
lrwxrwxrwx root/root         0 2013-03-23 15:57 ./debug/hot.json -> frontpage.json

dpkg-deb -c com.ubuntu.developer.mhall119.ureadit-0.9.2.click\?noauth\=1 |grep ^l
lrwxrwxrwx root/root         0 2013-03-23 15:57 ./debug/hot.json -> frontpage.json
lrwxrwxrwx root/root         0 2013-03-23 16:06 ./debug/r/ubuntu/hot.json -> ../ubuntu.json

Cheers,

** Attachment added: "packagekit strace"
   https://bugs.launchpad.net/ubuntu/+source/click/+bug/1220125/+attachment/3800593/+files/pk.strace

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https://bugs.launchpad.net/bugs/1220125

Title:
  error setting ownership of symlink `<..>/hot.json.dpkg-new': Operation
  not permitte

Status in “click” package in Ubuntu:
  Fix Committed

Bug description:
  Trying to install ureadit from the software store, I get:

  (Reading database ... 0 files and directories currently installed.)
  Unpacking com.ubuntu.developer.mhall119.ureadit (from .../com.ubuntu.developer.mhall119.ureadit-0.9.2.click) ...
  dpkg: error processing /home/phablet/.local/share/download_manager/{59168886-2ef7-41ed-bae7-1f4c1f98a505}/com.ubuntu.developer.mhall119.ureadit-0.9.2.click (--install):
   error setting ownership of symlink `/opt/click.ubuntu.com/com.ubuntu.developer.mhall119.ureadit/0.9.2/debug/hot.json.dpkg-new': Operation not permitted
  Errors were encountered while processing:
   /home/phablet/.local/share/download_manager/{59168886-2ef7-41ed-bae7-1f4c1f98a505}/com.ubuntu.developer.mhall119.ureadit-0.9.2.click
  Traceback (most recent call last):
    File "/usr/bin/click", line 84, in <module>
      sys.exit(main())
    File "/usr/bin/click", line 79, in main
      mod.run(args)
    File "/usr/lib/python3/dist-packages/click/commands/install.py", line 41, in run
      installer.install(package_path, user=options.user)
    File "/usr/lib/python3/dist-packages/click/install.py", line 264, in install
      env=env, **kwargs)
    File "/usr/lib/python3.3/subprocess.py", line 544, in check_call
      raise CalledProcessError(retcode, cmd)
  subprocess.CalledProcessError: Command '['dpkg', '--force-not-root', '--force-bad-path', '--instdir', '/opt/click.ubuntu.com/com.ubuntu.developer.mhall119.ureadit/0.9.2', '--admindir', '/opt/click.ubuntu.com/com.ubuntu.developer.mhall119.ureadit/0.9.2/.click', '--path-exclude', '*/.click/*', '--log', '/opt/click.ubuntu.com/.click/log', '--no-triggers', '--install', '/home/phablet/.local/share/download_manager/{59168886-2ef7-41ed-bae7-1f4c1f98a505}/com.ubuntu.developer.mhall119.ureadit-0.9.2.click']' returned non-zero exit status 1
  root at ubuntu-phablet:/#

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