refresh-cache doesn't cope well with broken symlinks in /var/lib/apt/lists

[iainlane]

I somehow ended up with this - not sure if apt is supposed to guarantee that these are cleaned up if you switch mirrors in sources.list.

laney@yakkety-vm:~/temp$ sudo appstreamcli refresh-cache
[sudo] password for laney: 

(appstreamcli:6041): GLib-GIO-CRITICAL **: g_converter_input_stream_new: assertion 'G_IS_INPUT_STREAM (base_stream)' failed

(appstreamcli:6041): GLib-GIO-CRITICAL **: g_output_stream_splice: assertion 'G_IS_INPUT_STREAM (source)' failed

** (appstreamcli:6041): WARNING **: No origin found for file _srv_mirrors_ubuntu_dists_yakkety_restricted_dep11_Components-amd64.yml.gz

(appstreamcli:6041): GLib-GIO-CRITICAL **: g_converter_input_stream_new: assertion 'G_IS_INPUT_STREAM (base_stream)' failed

(appstreamcli:6041): GLib-GIO-CRITICAL **: g_output_stream_splice: assertion 'G_IS_INPUT_STREAM (source)' failed

** (appstreamcli:6041): WARNING **: No origin found for file _srv_mirrors_ubuntu_dists_yakkety-updates_main_dep11_Components-amd64.yml.gz

(appstreamcli:6041): GLib-GIO-CRITICAL **: g_converter_input_stream_new: assertion 'G_IS_INPUT_STREAM (base_stream)' failed

(appstreamcli:6041): GLib-GIO-CRITICAL **: g_output_stream_splice: assertion 'G_IS_INPUT_STREAM (source)' failed

** (appstreamcli:6041): WARNING **: No origin found for file _srv_mirrors_ubuntu_dists_yakkety-updates_restricted_dep11_Components-amd64.yml.gz

(appstreamcli:6041): GLib-GIO-CRITICAL **: g_converter_input_stream_new: assertion 'G_IS_INPUT_STREAM (base_stream)' failed

(appstreamcli:6041): GLib-GIO-CRITICAL **: g_output_stream_splice: assertion 'G_IS_INPUT_STREAM (source)' failed

** (appstreamcli:6041): WARNING **: No origin found for file _srv_mirrors_ubuntu_dists_yakkety-updates_universe_dep11_Components-amd64.yml.gz

(appstreamcli:6041): GLib-GIO-CRITICAL **: g_converter_input_stream_new: assertion 'G_IS_INPUT_STREAM (base_stream)' failed

(appstreamcli:6041): GLib-GIO-CRITICAL **: g_output_stream_splice: assertion 'G_IS_INPUT_STREAM (source)' failed

** (appstreamcli:6041): WARNING **: No origin found for file _srv_mirrors_ubuntu_dists_yakkety-updates_multiverse_dep11_Components-amd64.yml.gz

(appstreamcli:6041): GLib-GIO-CRITICAL **: g_converter_input_stream_new: assertion 'G_IS_INPUT_STREAM (base_stream)' failed

(appstreamcli:6041): GLib-GIO-CRITICAL **: g_output_stream_splice: assertion 'G_IS_INPUT_STREAM (source)' failed

** (appstreamcli:6041): WARNING **: No origin found for file _srv_mirrors_ubuntu_dists_yakkety-backports_main_dep11_Components-amd64.yml.gz

(appstreamcli:6041): GLib-GIO-CRITICAL **: g_converter_input_stream_new: assertion 'G_IS_INPUT_STREAM (base_stream)' failed

(appstreamcli:6041): GLib-GIO-CRITICAL **: g_output_stream_splice: assertion 'G_IS_INPUT_STREAM (source)' failed

** (appstreamcli:6041): WARNING **: No origin found for file _srv_mirrors_ubuntu_dists_yakkety-backports_restricted_dep11_Components-amd64.yml.gz

(appstreamcli:6041): GLib-GIO-CRITICAL **: g_converter_input_stream_new: assertion 'G_IS_INPUT_STREAM (base_stream)' failed

(appstreamcli:6041): GLib-GIO-CRITICAL **: g_output_stream_splice: assertion 'G_IS_INPUT_STREAM (source)' failed

** (appstreamcli:6041): WARNING **: No origin found for file _srv_mirrors_ubuntu_dists_yakkety-backports_universe_dep11_Components-amd64.yml.gz

(appstreamcli:6041): GLib-GIO-CRITICAL **: g_converter_input_stream_new: assertion 'G_IS_INPUT_STREAM (base_stream)' failed

(appstreamcli:6041): GLib-GIO-CRITICAL **: g_output_stream_splice: assertion 'G_IS_INPUT_STREAM (source)' failed

** (appstreamcli:6041): WARNING **: No origin found for file _srv_mirrors_ubuntu_dists_yakkety-backports_multiverse_dep11_Components-amd64.yml.gz

(appstreamcli:6041): GLib-GIO-CRITICAL **: g_converter_input_stream_new: assertion 'G_IS_INPUT_STREAM (base_stream)' failed

(appstreamcli:6041): GLib-GIO-CRITICAL **: g_output_stream_splice: assertion 'G_IS_INPUT_STREAM (source)' failed

** (appstreamcli:6041): WARNING **: No origin found for file _srv_mirrors_ubuntu_dists_yakkety_main_dep11_Components-amd64.yml.gz

(appstreamcli:6041): GLib-GIO-CRITICAL **: g_converter_input_stream_new: assertion 'G_IS_INPUT_STREAM (base_stream)' failed

(appstreamcli:6041): GLib-GIO-CRITICAL **: g_output_stream_splice: assertion 'G_IS_INPUT_STREAM (source)' failed

** (appstreamcli:6041): WARNING **: No origin found for file _srv_mirrors_ubuntu_dists_yakkety_universe_dep11_Components-amd64.yml.gz

(appstreamcli:6041): GLib-GIO-CRITICAL **: g_converter_input_stream_new: assertion 'G_IS_INPUT_STREAM (base_stream)' failed

(appstreamcli:6041): GLib-GIO-CRITICAL **: g_output_stream_splice: assertion 'G_IS_INPUT_STREAM (source)' failed

** (appstreamcli:6041): WARNING **: No origin found for file _srv_mirrors_ubuntu_dists_yakkety_multiverse_dep11_Components-amd64.yml.gz
AppStream data pool was loaded, but some metadata was ignored due to errors.

It's because:

laney@yakkety-vm:~/temp$ ls -l /var/lib/apt/lists/_srv_mirrors_ubuntu_dists_yakkety_restricted_dep11_Components-amd64.yml.gz
lrwxrwxrwx 1 root root 74 Aug 31 11:17 /var/lib/apt/lists/_srv_mirrors_ubuntu_dists_yakkety_restricted_dep11_Components-amd64.yml.gz -> /srv/mirrors/ubuntu/dists/yakkety/restricted/dep11/Components-amd64.yml.gz
laney@yakkety-vm:~/temp$ ls -l /srv/mirrors/ubuntu/dists/yakkety/restricted/dep11/Components-amd64.yml.gz
ls: cannot access '/srv/mirrors/ubuntu/dists/yakkety/restricted/dep11/Components-amd64.yml.gz': No such file or directory