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[GH-ISSUE #4018] Desktop Entry: firecfg --fix can not distinguish firefox, firefox-nightly, firefox-developer-edition,... #2506

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opened 2026-05-05 09:11:28 -06:00 by gitea-mirror · 4 comments

gitea-mirror commented

2026-05-05 09:11:28 -06:00

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Originally created by @geekshen8521 on GitHub (Feb 28, 2021).
Original GitHub issue: https://github.com/netblue30/firejail/issues/4018

Write clear, concise and in textual form.

Bug and expected behavior

Describe the bug.
With firefox, firefox-nightly, firefox-developer-edition installed.
firecfg --fix generates firefox-*.desktop file where each
"Exec" part of the desktop file contains the same "firefox", instead of firefox-nightly, firefox-developer-edition as they should be. Now all desktop files launches the same firefox version.
What did you expect to happen?
The Exec part of each firefox version should be different according to their firefox versions.
Running firefox firefox-nightly firefox-developer-edition directly in terminal produce no such problem.

Reproduce
Steps to reproduce the behavior:

install firefox alongside with other firefox versions (e.g. firefox-developer-edition, firefox-nightly, ...)
Run firecfg --fix
cd ~/.local/share/applications
check each firefox-*.desktop

Environment

Linux distribution and version (ie output of lsb_release -a, screenfetch or cat /etc/os-release)
Name="Arch Linux"
Kernel=5.11.2-arch1-1
Firejail version (output of firejail --version) exclusive or used git commit (git rev-parse HEAD)
firejail-git r6994.8a7b96974-1 (from AUR)
Additional context
firefox firefox-developer-edition (official repo, latest version)
firefox-nightly (AUR)
firecfg --fix only generate firefox firefox-developer-edition firefox-nightly desktop files. And only these three are influenced.

Checklist

The profile (and redirect profile if exists) hasn't already been fixed upstream.
The program has a profile. (If not, request one in https://github.com/netblue30/firejail/issues/1139)
I have performed a short search for similar issues (to avoid opening a duplicate).
If it is a AppImage, --profile=PROFILENAME is used to set the right profile.
Used LC_ALL=en_US.UTF-8 LANG=en_US.UTF-8 PROGRAM to get english error-messages.
I'm aware of browser-allow-drm yes/browser-disable-u2f no in firejail.config to allow DRM/U2F in browsers.

debug output

Originally created by @geekshen8521 on GitHub (Feb 28, 2021). Original GitHub issue: https://github.com/netblue30/firejail/issues/4018 Write clear, concise and in textual form. **Bug and expected behavior** - Describe the bug. With firefox, firefox-nightly, firefox-developer-edition installed. firecfg --fix generates firefox-*.desktop file where each "Exec" part of the desktop file contains the same "firefox", instead of firefox-nightly, firefox-developer-edition as they should be. Now all desktop files launches the same firefox version. - What did you expect to happen? The Exec part of each firefox version should be different according to their firefox versions. - Running `firefox` `firefox-nightly` `firefox-developer-edition` directly in terminal produce no such problem. **Reproduce** Steps to reproduce the behavior: 1. install firefox alongside with other firefox versions (e.g. firefox-developer-edition, firefox-nightly, ...) 2. Run `firecfg --fix` 3. cd ~/.local/share/applications 4. check each firefox-*.desktop **Environment** - Linux distribution and version (ie output of `lsb_release -a`, `screenfetch` or `cat /etc/os-release`) Name="Arch Linux" Kernel=5.11.2-arch1-1 - Firejail version (output of `firejail --version`) exclusive or used git commit (`git rev-parse HEAD`) firejail-git r6994.8a7b96974-1 (from AUR) **Additional context** firefox firefox-developer-edition (official repo, latest version) firefox-nightly (AUR) `firecfg --fix` only generate firefox firefox-developer-edition firefox-nightly desktop files. And only these three are influenced. **Checklist** - [ ] The profile (and redirect profile if exists) hasn't already been fixed [upstream](https://github.com/netblue30/firejail/tree/master/etc). - [x] The program has a profile. (If not, request one in `https://github.com/netblue30/firejail/issues/1139`) - [x] I have performed a short search for similar issues (to avoid opening a duplicate). - [ ] If it is a AppImage, `--profile=PROFILENAME` is used to set the right profile. - [ ] Used `LC_ALL=en_US.UTF-8 LANG=en_US.UTF-8 PROGRAM` to get english error-messages. - [ ] I'm aware of `browser-allow-drm yes`/`browser-disable-u2f no` in `firejail.config` to allow DRM/U2F in browsers. <details><summary> debug output </summary> </details>

gitea-mirror added the

bug

firecfg

labels 2026-05-05 09:11:28 -06:00

gitea-mirror commented

2026-05-05 09:11:30 -06:00

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@geekshen8521 commented on GitHub (Feb 28, 2021):

I have read the man page, and desktop files in /usr/share/applications are like these:
Exec=/usr/lib/firefox-developer-edition/firefox %u
Exec=/opt/firefox-nightly/firefox %u
I guess may be this is the reason.

@geekshen8521 commented on GitHub (Feb 28, 2021): I have read the man page, and desktop files in /usr/share/applications are like these: Exec=/usr/lib/firefox-developer-edition/firefox %u Exec=/opt/firefox-nightly/firefox %u I guess may be this is the reason.

gitea-mirror commented

2026-05-05 09:11:31 -06:00

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@rusty-snake commented on GitHub (Feb 28, 2021):

Looks like firecfg strips absolute paths even if they aren't in $PATH.

@rusty-snake commented on GitHub (Feb 28, 2021): Looks like firecfg strips absolute paths even if they aren't in $PATH.

gitea-mirror commented

2026-05-05 09:11:32 -06:00

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@rusty-snake commented on GitHub (Feb 28, 2021):

Workaround

Because firecfg does not override existing files in ~/.local/share/applications, you can copy those dot-desktop files and prepend /usr/bin/firejail on all Exec= lines.

for ffxdd in /usr/share/applications/firefox-*.desktop; do
	sed "s|Exec=|Exec=/usr/bin/firejail |g" "$ffxdd" > ~/.local/share/applications/"$(basename "$ffxdd")"
done

or as oneliner:

for ffxdd in /usr/share/applications/firefox-*.desktop; do sed "s|Exec=|Exec=/usr/bin/firejail |g" "$ffxdd" > ~/.local/share/applications/"$(basename "$ffxdd")"; done

@rusty-snake commented on GitHub (Feb 28, 2021): ### Workaround Because firecfg does not override existing files in `~/.local/share/applications`, you can copy those dot-desktop files and prepend `/usr/bin/firejail` on all `Exec=` lines. ```bash for ffxdd in /usr/share/applications/firefox-*.desktop; do sed "s|Exec=|Exec=/usr/bin/firejail |g" "$ffxdd" > ~/.local/share/applications/"$(basename "$ffxdd")" done ``` or as oneliner: ```bash for ffxdd in /usr/share/applications/firefox-*.desktop; do sed "s|Exec=|Exec=/usr/bin/firejail |g" "$ffxdd" > ~/.local/share/applications/"$(basename "$ffxdd")"; done ```

gitea-mirror commented

2026-05-05 09:11:33 -06:00

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@geekshen8521 commented on GitHub (Feb 28, 2021):

Thanks @rusty-snake
Another workaround is to simply edit the desktop files under ~/.local/share/applications accordingly. And make sure that in PATH variable, /usr/local/bin precedes /usr/bin/.

@geekshen8521 commented on GitHub (Feb 28, 2021): Thanks @rusty-snake Another workaround is to simply edit the desktop files under ~/.local/share/applications accordingly. And make sure that in PATH variable, `/usr/local/bin` precedes `/usr/bin/`.

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Reference: github-starred/firejail#2506

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