Public bug reported:
[ Impact ]
Malcontent is a parental control mechanism implemented in GNOME Shell.
It supports hiding applications from the application menu.
Some desktop snaps like telegram-desktop are no longer visible in GNOME Shell
when libmalcontent is installed, even without any filters applied. Which snaps
are hidden depends on the numbers of command-line arguments they specify in the
Exec line. If it's more than 2, then the snap will be hidden.
For example, telegram-desktop uses:
Exec=/snap/bin/telegram-desktop -- %U
Ubuntu ships a patch in malcontent to allow filtering non-flatpak applications
too.
This patch assumed that a desktop snap Exec= line would always follow the
format `Exec=env BAMF_DESKTOP_FILE_HINT=foo.desktop /snap/bin/foo arg1 arg2`,
so it would interpret the third argument as the absolute binary path.
That was changed in snapd version 2.72 to remove the
BAMF_DESKTOP_FILE_HINT environment variable, so the Exec line now
follows the format `Exec=/snap/bin/foo arg1 arg2`. The third argument is
no longer the binary's absolute path, and things break.
Malcontent needs to be adapted to not assume that the snap binary is
always the third argument.
[ Test Plan ]
1. Install the `telegram-desktop` snap
2. Open the GNOME Shell application launcher
3. Search for Telegram
4. Verify that the Telegram app is listed.
[ Where problems could occur ]
Problems would manifest with applications being incorrectly filtered out
or not filtered out.
The patch should make sure that it is future-proof by not assuming the
position of the binary path in the command-line a-priori.
** Affects: malcontent (Ubuntu)
Importance: High
Assignee: Alessandro Astone (aleasto)
Status: In Progress
** Summary changed:
- malcontent hides all snaps with command-line arguments
+ malcontent hides snaps which have command-line arguments
** Summary changed:
- malcontent hides snaps which have command-line arguments
+ malcontent hides snaps that have command-line arguments
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https://bugs.launchpad.net/bugs/2128350
Title:
malcontent hides snaps that have command-line arguments
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