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linux/bsd/mac: Use pkill to stop remote instance over SSH

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Previously, the PIDs of any running instances of the game on the remote
device were found with `pgrep`, whose output was passed as parameters to
`kill`. The problem with doing this is that passing zero arguments to
`kill` (which happens when no instances of the game are running
remotely) is an error: it shows the command usage, and exits with status
2 indicating a command-line syntax error:

    $ kill
    kill: usage: kill [-s sigspec | -n signum | -sigspec] pid | jobspec ... or kill -l [sigspec]
    $ echo $?
    2

As far as I can tell, all systems that have a `pgrep` command also have
a `pkill` command which accepts (a superset of) the same parameters as
`pgrep` and kills the matched processes instead of listing them on
STDOUT.

In the case where no processes match, `pkill` exits with status 1; but
does so silently.

Invoke `pkill` rather than `pgrep` + `kill`.
This commit is contained in:
Will Thompson 2025-07-08 16:13:05 +01:00 • committed by Will Thompson
parent 99a39ce6ea
commit 3d322c3f36
2 changed files with 2 additions and 2 deletions
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2
platform/linuxbsd/export/export_plugin.cpp
View file

@ -192,7 +192,7 @@ void EditorExportPlatformLinuxBSD::get_export_options(List<ExportOption> *r_opti
"\"{temp_dir}/{exe_name}\" {cmd_args}";
String cleanup_script = "#!/usr/bin/env bash\n"
"kill $(pgrep -x -f \"{temp_dir}/{exe_name} {cmd_args}\")\n"
"pkill -x -f \"{temp_dir}/{exe_name} {cmd_args}\"\n"
"rm -rf \"{temp_dir}\"";
r_options->push_back(ExportOption(PropertyInfo(Variant::BOOL, "ssh_remote_deploy/enabled"), false, true));