Bug #1365759 reported by errors.ubuntu.com bug bridge on 2014-09-04
This bug affects 2 people
Affects Status Importance Assigned to Milestone
software-properties (Ubuntu)

Bug Description

The Ubuntu Error Tracker has been receiving reports about a problem regarding software-properties. This problem was most recently seen with version, the problem page at https://errors.ubuntu.com/problem/2b8bba9b95a33d09f53d20dbb0664e85d407d788 contains more details.

Brian Murray (brian-murray) wrote :


Traceback (most recent call last):
  File "/usr/bin/apt-add-repository", line 163, in <module>
    if not sp.add_source_from_shortcut(shortcut, options.enable_source):
  File "/usr/lib/python3/dist-packages/softwareproperties/SoftwareProperties.py", line 750, in add_source_from_shortcut
  File "/usr/lib/python3/dist-packages/softwareproperties/SoftwareProperties.py", line 484, in set_modified_sourceslist
  File "/usr/lib/python3/dist-packages/softwareproperties/SoftwareProperties.py", line 649, in save_sourceslist
  File "/usr/lib/python3/dist-packages/aptsources/sourceslist.py", line 383, in backup
    shutil.copy(source.file, "%s%s" % (source.file, backup_ext))
  File "/usr/lib/python3.4/shutil.py", line 228, in copy
    copyfile(src, dst, follow_symlinks=follow_symlinks)
  File "/usr/lib/python3.4/shutil.py", line 108, in copyfile
    with open(dst, 'wb') as fdst:
OSError: [Errno 30] Read-only file system: '/etc/apt/sources.list.save'

Brian Murray (brian-murray) wrote :

This is because it is being run on a device where the partition containing /etc/apt is read-only.

Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in software-properties (Ubuntu):
status: New → Confirmed
Changed in software-properties (Ubuntu):
status: Confirmed → In Progress

@ Brian Murray

If you think this bug is caused by an user misconfiguration, please set its status to "invalid".

Changed in software-properties (Ubuntu):
status: In Progress → Confirmed
importance: Undecided → Medium
Brian Murray (brian-murray) wrote :

Ubuntu devices are setup with a read-only root file system so this is a supported use case and software-properties should not crash in this situation. I seem to recall it being fixed but couldn't find anything in the software-properties changelog supporting that.

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