swayfx/sway/commands/exec_always.c
William McKinnon f47f35c52c
rebase: Sway 1.11 (#431)
Co-authored-by: Erik Reider <35975961+ErikReider@users.noreply.github.com>
2025-06-24 00:00:27 -04:00

82 lines
2 KiB
C

#include <stdlib.h>
#include <string.h>
#include <sys/wait.h>
#include <unistd.h>
#include "sway/commands.h"
#include "sway/config.h"
#include "sway/desktop/launcher.h"
#include "log.h"
#include "stringop.h"
struct cmd_results *cmd_exec_validate(int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, argv[-1], EXPECTED_AT_LEAST, 1))) {
return error;
}
if (!config->active || config->validating) {
return cmd_results_new(CMD_DEFER, NULL);
}
return error;
}
struct cmd_results *cmd_exec_process(int argc, char **argv) {
struct cmd_results *error = NULL;
char *cmd = NULL;
bool no_startup_id = false;
if (strcmp(argv[0], "--no-startup-id") == 0) {
no_startup_id = true;
--argc; ++argv;
if ((error = checkarg(argc, argv[-1], EXPECTED_AT_LEAST, 1))) {
return error;
}
}
if (argc == 1 && (argv[0][0] == '\'' || argv[0][0] == '"')) {
cmd = strdup(argv[0]);
strip_quotes(cmd);
} else {
cmd = join_args(argv, argc);
}
sway_log(SWAY_DEBUG, "Executing %s", cmd);
struct launcher_ctx *ctx = launcher_ctx_create_internal();
// Fork process
pid_t child = fork();
if (child == 0) {
setsid();
if (ctx) {
const char *token = launcher_ctx_get_token_name(ctx);
setenv("XDG_ACTIVATION_TOKEN", token, 1);
if (!no_startup_id) {
setenv("DESKTOP_STARTUP_ID", token, 1);
}
}
execlp("sh", "sh", "-c", cmd, (void*)NULL);
sway_log_errno(SWAY_ERROR, "execve failed");
_exit(0); // Close child process
} else if (child < 0) {
launcher_ctx_destroy(ctx);
free(cmd);
return cmd_results_new(CMD_FAILURE, "fork() failed");
}
sway_log(SWAY_DEBUG, "Child process created with pid %d", child);
if (ctx != NULL) {
sway_log(SWAY_DEBUG, "Recording workspace for process %d", child);
ctx->pid = child;
}
free(cmd);
return cmd_results_new(CMD_SUCCESS, NULL);
}
struct cmd_results *cmd_exec_always(int argc, char **argv) {
struct cmd_results *error;
if ((error = cmd_exec_validate(argc, argv))) {
return error;
}
return cmd_exec_process(argc, argv);
}