Snapcraft

Incorrect Exec entry transformation in .desktop file

Bug #1883145 reported by Alan Griffiths
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Snapcraft
Triaged
Medium
Chris Patterson

Bug Description

Changes made to the Exec entry for a .desktop file can result in an invalid entry:

For example, with this input:

[Desktop Entry]
Name=egmde (confined)
Comment=The example Mir server
Exec=snap run egmde-confined-desktop
Type=Application

The result is:

$ cat /snap/egmde-confined-desktop/current/meta/gui/egmde-confined-desktop.desktop

[Desktop Entry]
Name=egmde (confined)
Comment=The example Mir server
Exec=egmde-confined-desktop run egmde-confined-desktop
Type=Application

$ cat /var/lib/snapd/desktop/applications/egmde-confined-desktop_egmde-confined-desktop.desktop
[Desktop Entry]
X-SnapInstanceName=egmde-confined-desktop
Name=egmde (confined)
Comment=The example Mir server
Exec=env BAMF_DESKTOP_FILE_HINT=/var/lib/snapd/desktop/applications/egmde-confined-desktop_egmde-confined-desktop.desktop /snap/bin/egmde-confined-desktop run egmde-confined-desktop
Type=Application

But trying to run `env BAMF_DESKTOP_FILE_HINT=/var/lib/snapd/desktop/applications/egmde-confined-desktop_egmde-confined-desktop.desktop /snap/bin/egmde-confined-desktop run egmde-confined-desktop` will fail:

$ env BAMF_DESKTOP_FILE_HINT=/var/lib/snapd/desktop/applications/egmde-confined-desktop_egmde-confined-desktop.desktop /snap/bin/egmde-confined-desktop run egmde-confined-desktop
realpath: '': No such file or directory
realpath: '': No such file or directory
realpath: '': No such file or directory
realpath: '': No such file or directory
realpath: '': No such file or directory
realpath: '': No such file or directory
realpath: '': No such file or directory
realpath: '': No such file or directory
Unknown command line options: run egmde-confined-desktop

Revision history for this message
Sergio Schvezov (sergiusens) wrote :

- We will deprecate rewriting
- Warn when rewriting happens
- The deprecation page will show how to have full control over this
  SNAPCRAFT_PART_INSTALL/snap/desktop/<snap-name>.<app-name>.desktop

Even with all this said, snapd has strict rules on what a valid exec line is.

Changed in snapcraft:
assignee: nobody → Chris Patterson (cjp256)
status: New → Confirmed
status: Confirmed → Triaged
importance: Undecided → Medium
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