Merge lp:~ted/ubuntu-app-launch/snap-no-interface-no-error into lp:ubuntu-app-launch

[Ted Gould]

Don't warn when there are no snaps installed

This is cleans up the commands for people who don't have any snaps installed (not Pete).

[unity-api-1-bot (unity-api-1-bot)]

FAILED: Continuous integration, rev:308
https://jenkins.canonical.com/unity-api-1/job/lp-ubuntu-app-launch-ci/293/
Executed test runs:
    FAILURE: https://jenkins.canonical.com/unity-api-1/job/build/1904/console
    SUCCESS: https://jenkins.canonical.com/unity-api-1/job/build-0-fetch/1911
    SUCCESS: https://jenkins.canonical.com/unity-api-1/job/build-2-binpkg/arch=amd64,release=xenial+overlay/1693
        deb: https://jenkins.canonical.com/unity-api-1/job/build-2-binpkg/arch=amd64,release=xenial+overlay/1693/artifact/output/*zip*/output.zip
    SUCCESS: https://jenkins.canonical.com/unity-api-1/job/build-2-binpkg/arch=amd64,release=zesty/1693
        deb: https://jenkins.canonical.com/unity-api-1/job/build-2-binpkg/arch=amd64,release=zesty/1693/artifact/output/*zip*/output.zip
    FAILURE: https://jenkins.canonical.com/unity-api-1/job/build-2-binpkg/arch=armhf,release=xenial+overlay/1693/console
    SUCCESS: https://jenkins.canonical.com/unity-api-1/job/build-2-binpkg/arch=armhf,release=zesty/1693
        deb: https://jenkins.canonical.com/unity-api-1/job/build-2-binpkg/arch=armhf,release=zesty/1693/artifact/output/*zip*/output.zip
    SUCCESS: https://jenkins.canonical.com/unity-api-1/job/build-2-binpkg/arch=i386,release=xenial+overlay/1693
        deb: https://jenkins.canonical.com/unity-api-1/job/build-2-binpkg/arch=i386,release=xenial+overlay/1693/artifact/output/*zip*/output.zip
    SUCCESS: https://jenkins.canonical.com/unity-api-1/job/build-2-binpkg/arch=i386,release=zesty/1693
        deb: https://jenkins.canonical.com/unity-api-1/job/build-2-binpkg/arch=i386,release=zesty/1693/artifact/output/*zip*/output.zip

Click here to trigger a rebuild:
https://jenkins.canonical.com/unity-api-1/job/lp-ubuntu-app-launch-ci/293/rebuild

review: Needs Fixing (continuous-integration)

[dobey (dobey)]

Reading the name of this branch in the voice of Bob Marley.

review: Approve

Unmerged revisions

308. By Ted Gould on 2017-04-03

Handle the case of no plugs

=== modified file 'libubuntu-app-launch/snapd-info.cpp'
--- libubuntu-app-launch/snapd-info.cpp	2016-11-17 16:58:26 +0000
+++ libubuntu-app-launch/snapd-info.cpp	2017-04-03 14:50:38 +0000
@@ -341,6 +341,12 @@
     }
 
     auto plugarray = json_object_get_array_member(interface, "plugs");
+    if (plugarray == nullptr)
+    {
+        g_debug("No plugs connected on snapd");
+        return;
+    }
+
     for (unsigned int i = 0; i < json_array_get_length(plugarray); i++)
     {
         auto ifaceobj = json_array_get_object_element(plugarray, i);