ModelContextProtocol

[Solved] Running a shell script before launching a game and after exiting that game

urgent-maroon · 2025-07-18T09:47:07.150Z

I thought it will be easy to do that as there's already options for both (launch & exit). But I cant get it to work. I wanna use ludusavi which was installed using flatpak. Ludusavi already had a guide for heroic but I cant get it to work so I was thinking about creating my own script. Heroic is installed as native package. Distro: Fedora 42 KDE

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urgent-maroonOP•7/18/25, 9:47 AM

#!/usr/bin/env bash

# Ludusavi Manager Script
# Usage: ./script.sh [backup|restore] [game-name]

run_ludusavi="flatpak run com.github.mtkennerly.ludusavi"
config_dir="$HOME/.var/app/com.github.mtkennerly.ludusavi/config/ludusavi"

# Validate arguments
if [ $# -ne 2 ]; then
    echo "Error: Invalid number of arguments"
    echo "Usage: $0 backup|restore game-name"
    exit 1
fi

operation=$1
game_name=$2

# Determine operation
case "$operation" in
    backup) option="--backup" ;;
    restore) option="--restore" ;;
    *)
        echo "Error: Invalid operation '$operation'. Must be 'backup' or 'restore'"
        exit 1
        ;;
esac

# Execute command
$run_ludusavi --config "$config_dir" $option --force "$game_name"

#!/usr/bin/env bash

# Ludusavi Manager Script
# Usage: ./script.sh [backup|restore] [game-name]

run_ludusavi="flatpak run com.github.mtkennerly.ludusavi"
config_dir="$HOME/.var/app/com.github.mtkennerly.ludusavi/config/ludusavi"

# Validate arguments
if [ $# -ne 2 ]; then
    echo "Error: Invalid number of arguments"
    echo "Usage: $0 backup|restore game-name"
    exit 1
fi

operation=$1
game_name=$2

# Determine operation
case "$operation" in
    backup) option="--backup" ;;
    restore) option="--restore" ;;
    *)
        echo "Error: Invalid operation '$operation'. Must be 'backup' or 'restore'"
        exit 1
        ;;
esac

# Execute command
$run_ludusavi --config "$config_dir" $option --force "$game_name"

#!/usr/bin/env bash

# Ludusavi Manager Script
# Usage: ./script.sh [backup|restore] [game-name]

run_ludusavi="flatpak run com.github.mtkennerly.ludusavi"
config_dir="$HOME/.var/app/com.github.mtkennerly.ludusavi/config/ludusavi"

# Validate arguments
if [ $# -ne 2 ]; then
    echo "Error: Invalid number of arguments"
    echo "Usage: $0 backup|restore game-name"
    exit 1
fi

operation=$1
game_name=$2

# Determine operation
case "$operation" in
    backup) option="--backup" ;;
    restore) option="--restore" ;;
    *)
        echo "Error: Invalid operation '$operation'. Must be 'backup' or 'restore'"
        exit 1
        ;;
esac

# Execute command
$run_ludusavi --config "$config_dir" $option --force "$game_name"

#!/usr/bin/env bash

# Ludusavi Manager Script
# Usage: ./script.sh [backup|restore] [game-name]

run_ludusavi="flatpak run com.github.mtkennerly.ludusavi"
config_dir="$HOME/.var/app/com.github.mtkennerly.ludusavi/config/ludusavi"

# Validate arguments
if [ $# -ne 2 ]; then
    echo "Error: Invalid number of arguments"
    echo "Usage: $0 backup|restore game-name"
    exit 1
fi

operation=$1
game_name=$2

# Determine operation
case "$operation" in
    backup) option="--backup" ;;
    restore) option="--restore" ;;
    *)
        echo "Error: Invalid operation '$operation'. Must be 'backup' or 'restore'"
        exit 1
        ;;
esac

# Execute command
$run_ludusavi --config "$config_dir" $option --force "$game_name"

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urgent-maroonOP•7/18/25, 9:48 AM

I am trying to use this.
right now running

ludusavi-wrapper.sh backup "Assassins Creed IV Black Flag"

ludusavi-wrapper.sh backup "Assassins Creed IV Black Flag"

in terminal works and the script exit with 0

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urgent-maroonOP•7/18/25, 9:49 AM

but if I put this in "Select a script to run before the game is launched" then its stucked in launching state

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urgent-maroonOP•7/18/25, 9:52 AM

I would also like to get the game name from heroic if thats possible

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urgent-maroonOP•7/18/25, 10:02 AM

when I run heroic via cli i found this when launching the game

Error occurred in handler for 'launch': spawn ~/games/.tools/ludusavi-wrapper.sh backup "Assassins Creed IV Black Flag" ENOENT

Error occurred in handler for 'launch': spawn ~/games/.tools/ludusavi-wrapper.sh backup "Assassins Creed IV Black Flag" ENOENT

I did added path and heroic should have access to this

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urgent-maroonOP•7/18/25, 10:08 AM

Error occurred in handler for 'launch': spawn flatpak run com.github.mtkennerly.ludusavi --config $HOME/.var/app/com.github.mtkennerly.ludusavi/config/ludusavi backup --force "Assassins Creed IV Black Flag" ENOENT

Error occurred in handler for 'launch': spawn flatpak run com.github.mtkennerly.ludusavi --config $HOME/.var/app/com.github.mtkennerly.ludusavi/config/ludusavi backup --force "Assassins Creed IV Black Flag" ENOENT

Error occurred in handler for 'launch': spawn flatpak run com.github.mtkennerly.ludusavi --config $HOME/.var/app/com.github.mtkennerly.ludusavi/config/ludusavi backup --force "Assassins Creed IV Black Flag" ENOENT

Error occurred in handler for 'launch': spawn flatpak run com.github.mtkennerly.ludusavi --config $HOME/.var/app/com.github.mtkennerly.ludusavi/config/ludusavi backup --force "Assassins Creed IV Black Flag" ENOENT

if I just add the command

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CommandMC•7/18/25, 10:12 AM

You can't run a Flatpak from another Flatpak

Add

flatpak-spawn --host

flatpak-spawn --host

to the start of your command to execute the command on the host instead. Note that this requires the

org.freedesktop.Flatpak

org.freedesktop.Flatpak

talk and essentially disables the advantages of Flatpak
To grant that talk permission, run

flatpak --user override --talk-name=org.freedesktop.Flatpak com.heroicgameslauncher.hgl

flatpak --user override --talk-name=org.freedesktop.Flatpak com.heroicgameslauncher.hgl

Bbrilliant-lime You can't run a Flatpak from another Flatpak Add `flatpak-spawn --host` to the ...

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urgent-maroonOP•7/18/25, 10:14 AM

Heroic isnt installed as flatpak

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CommandMC•7/18/25, 10:16 AM

Oh sorry, missed that note. I only read "I did added path and heroic should have access to this" and figured Flatpak

I assume the script you created is executable?

Bbrilliant-lime Oh sorry, missed that note. I only read "I did added path and heroic should have...

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urgent-maroonOP•7/18/25, 10:16 AM

yep I tested manually before adding

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urgent-maroonOP•7/18/25, 10:17 AM

and looks like backup portion is working as I haven't tested restore yet

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CommandMC•7/18/25, 10:17 AM

Looking at the code, I don't think scripts can have parameters

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CommandMC•7/18/25, 10:18 AM

You should be able to do this though: https://github.com/mtkennerly/ludusavi/blob/master/docs/help/game-launch-wrapping.md#heroic (perhaps with slight changes since you're using the Flatpak Ludusavi)

Bbrilliant-lime Looking at the code, I don't think scripts can have parameters

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urgent-maroonOP•7/18/25, 10:19 AM

Sorry I am new to scripting dont know much as I said I was able to get it work when I ran it.
I created another post too
[Solved] Ludusavi integration ?

Bbrilliant-lime You should be able to do this though: <https://github.com/mtkennerly/ludusavi/bl...

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urgent-maroonOP•7/18/25, 10:20 AM

this didnt explain much and idk how to add this wrapper. is it similar to adding script ?

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CommandMC•7/18/25, 10:21 AM

Create the file as instructed there, replacing

ludusavi

ludusavi

with

flatpak run com.github.mtkennerly.ludusavi

flatpak run com.github.mtkennerly.ludusavi

since you're on Flatpak
Then add that script as a wrapper in Heroic ("Wrapper command" in the "Advanced" tab of the game settings)

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urgent-maroonOP•7/18/25, 10:21 AM

I assume

$!/bin/sh
ludusavi --config $HOME/.config/ludusavi wrap --gui --infer heroic -- "$@"

$!/bin/sh
ludusavi --config $HOME/.config/ludusavi wrap --gui --infer heroic -- "$@"

here

ludusavi

ludusavi

has to be changed to

latpak run com.github.mtkennerly.ludusavi

latpak run com.github.mtkennerly.ludusavi

config dir to

$HOME/.var/app/com.github.mtkennerly.ludusavi/config/ludusavi

$HOME/.var/app/com.github.mtkennerly.ludusavi/config/ludusavi

but I wasn't able to get it to work

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urgent-maroonOP•7/18/25, 10:21 AM

but let me try again

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urgent-maroonOP•7/18/25, 10:24 AM

does it look ok?

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CommandMC•7/18/25, 10:24 AM

Just add the script as the wrapper, no arguments

Bbrilliant-lime Just add the script as the wrapper, no arguments

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urgent-maroonOP•7/18/25, 10:25 AM

Error: spawn ~/.local/bin/test/ludusavi-wrapper.sh ENOENT
    at Process.ChildProcess._handle.onexit (node:internal/child_process:285:19)
    at onErrorNT (node:internal/child_process:483:16)
    at processTicksAndRejections (node:internal/process/task_queues:90:21) {
  errno: -2,
  code: 'ENOENT',
  syscall: 'spawn ~/.local/bin/test/ludusavi-wrapper.sh',
  path: '~/.local/bin/test/ludusavi-wrapper.sh',

Error: spawn ~/.local/bin/test/ludusavi-wrapper.sh ENOENT
    at Process.ChildProcess._handle.onexit (node:internal/child_process:285:19)
    at onErrorNT (node:internal/child_process:483:16)
    at processTicksAndRejections (node:internal/process/task_queues:90:21) {
  errno: -2,
  code: 'ENOENT',
  syscall: 'spawn ~/.local/bin/test/ludusavi-wrapper.sh',
  path: '~/.local/bin/test/ludusavi-wrapper.sh',

Error: spawn ~/.local/bin/test/ludusavi-wrapper.sh ENOENT
    at Process.ChildProcess._handle.onexit (node:internal/child_process:285:19)
    at onErrorNT (node:internal/child_process:483:16)
    at processTicksAndRejections (node:internal/process/task_queues:90:21) {
  errno: -2,
  code: 'ENOENT',
  syscall: 'spawn ~/.local/bin/test/ludusavi-wrapper.sh',
  path: '~/.local/bin/test/ludusavi-wrapper.sh',

Error: spawn ~/.local/bin/test/ludusavi-wrapper.sh ENOENT
    at Process.ChildProcess._handle.onexit (node:internal/child_process:285:19)
    at onErrorNT (node:internal/child_process:483:16)
    at processTicksAndRejections (node:internal/process/task_queues:90:21) {
  errno: -2,
  code: 'ENOENT',
  syscall: 'spawn ~/.local/bin/test/ludusavi-wrapper.sh',
  path: '~/.local/bin/test/ludusavi-wrapper.sh',

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urgent-maroonOP•7/18/25, 10:25 AM

Did as you said

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CommandMC•7/18/25, 10:26 AM

Oh actually, I don't think you can use

Bbrilliant-lime Oh actually, I don't think you can use `~`

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urgent-maroonOP•7/18/25, 10:26 AM

$HOME

$HOME

then ?

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urgent-maroonOP•7/18/25, 10:26 AM

lemme try

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CommandMC•7/18/25, 10:26 AM

Assuming

~/.local/bin/test/

~/.local/bin/test/

is on your

PATH

PATH

, you should be able to just add

ludusavi-wrapper.sh

ludusavi-wrapper.sh

NNightMare `$HOME` then ?

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CommandMC•7/18/25, 10:26 AM

No, you'd have to write out the actual path

Bbrilliant-lime No, you'd have to write out the actual path

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urgent-maroonOP•7/18/25, 10:27 AM

from /home/*?

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CommandMC•7/18/25, 10:28 AM

/home/your_username/.local/bin/test/ludusavi-wrapper.sh

/home/your_username/.local/bin/test/ludusavi-wrapper.sh

, replacing

your_username

your_username

with your actual user's name

Bbrilliant-lime `/home/your_username/.local/bin/test/ludusavi-wrapper.sh`, replacing `your_usern...

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urgent-maroonOP•7/18/25, 10:29 AM

yep tried now ludusavi can find the game

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urgent-maroonOP•7/18/25, 10:29 AM

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urgent-maroonOP•7/18/25, 10:30 AM

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urgent-maroonOP•7/18/25, 10:30 AM

if I say yes then I get crash notification

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urgent-maroonOP•7/18/25, 10:30 AM

BTW is it possible to get the game name from heroic ?

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CommandMC•7/18/25, 10:31 AM

Yeah figured, Ludusavi's Flatpak doesn't include Wine dependencies... The easiest way to resolve this would probably be to just use the native Ludusavi

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urgent-maroonOP•7/18/25, 10:33 AM

Alright . But I have never tried building from source
https://github.com/mtkennerly/ludusavi/releases/download/v0.29.1/ludusavi-v0.29.1-linux.tar.gz
idk how to use this, using llm i got to know that I can use it as any other script. this one is just compiled .
does it mean if I put it in my script folder I can run normally ?

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urgent-maroonOP•7/18/25, 10:33 AM

sorry for the noob question

Bbrilliant-lime Yeah figured, Ludusavi's Flatpak doesn't include Wine dependencies... The easies...

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urgent-maroonOP•7/18/25, 10:34 AM

This doesn't say if its rpm or deb build

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CommandMC•7/18/25, 10:35 AM

It isn't a package, it's simply an executable
However depending on your distro, there might be a package for it in the official repos

Bbrilliant-lime It isn't a package, it's simply an executable However depending on your distro, ...

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urgent-maroonOP•7/18/25, 10:35 AM

I tried looking for copr and rpmfusion and official there's none

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CommandMC•7/18/25, 10:35 AM

Also, please do not use LLMs to attempt to get help here. They will lie to you

Bbrilliant-lime Also, please do not use LLMs to attempt to get help here. They will lie to you

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urgent-maroonOP•7/18/25, 10:36 AM

yes thats why I didn't try using that file

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urgent-maroonOP•7/18/25, 10:36 AM

I just use those to get direction then try to do my research

Bbrilliant-lime It isn't a package, it's simply an executable However depending on your distro, ...

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urgent-maroonOP•7/18/25, 10:37 AM

Whats the difference then ?

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urgent-maroonOP•7/18/25, 10:37 AM

similar to running script or installing something ?

NNightMare I tried looking for copr and rpmfusion and official there's none

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CommandMC•7/18/25, 10:39 AM

Right, manual install it is then. Download the release (https://github.com/mtkennerly/ludusavi/releases/download/v0.29.1/ludusavi-v0.29.1-linux.tar.gz), then extract it and place the executable into

~/.local/bin/

~/.local/bin/

. Run a

chmod +x ~/.local/bin/ludusavi

chmod +x ~/.local/bin/ludusavi

to mark it as executable
I assume

~/.local/bin

~/.local/bin

is on your

PATH

PATH

. To check, open a terminal now and run

which ludusavi

which ludusavi

. If that command finds it, you're good

Open up your

ludusavi-wrap.sh

ludusavi-wrap.sh

script and change it to match the contents of the guide again (replacing

flatpak run ...

flatpak run ...

with just

ludusavi

ludusavi

Bbrilliant-lime Right, manual install it is then. Download the release (<https://github.com/mtke...

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urgent-maroonOP•7/18/25, 10:44 AM

yep done that
it looks like ludusavi still cant recognize the game. I did have this issue if name isn't same or what ludusavi expect when I was in windows.
BTW is there a way to know what heroic launches ? in this way I can create an alias in ludusavi

Uurgent-maroon Click to see attachment

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urgent-maroonOP•7/18/25, 10:46 AM

This time I was able to launch when I pressed yes

NNightMare yep done that it looks like ludusavi still cant recognize the game. I did have ...

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CommandMC•7/18/25, 10:47 AM

it looks like ludusavi still cant recognize the game. I did have this issue if name isn't same or what ludusavi expect when I was in windows.

Could you send in a game log?

BTW is there a way to know what heroic launches ? in this way I can create an alias in ludusavi

I'm not sure what you're asking there. Heroic will launch the game with either Legendary (for Epic Games), GOGDL (for GOG) or Nile (Amazon)

[Solved] Running a shell script before launching a game and after exiting that game

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