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Merge 488aa551f9 into 81246fc6dc

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René D. Obermüller 2026-04-12 16:05:04 +01:00 • committed by GitHub
commit 21e36ff199
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2 changed files with 57 additions and 8 deletions
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55
sway/commands/exec_always.c
View file

@ -10,10 +10,29 @@
#include "sway/desktop/launcher.h"
#include "sway/tree/container.h"
#include "sway/tree/root.h"
#include "sway/tree/view.h"
#include "sway/tree/workspace.h"
#include "log.h"
#include "stringop.h"
static void export_id(const char *env_var_name, size_t id) {
int id_len = snprintf(NULL, 0, "%zu", id);
if (id_len < 0) {
sway_log(SWAY_ERROR, "Unable to determine buffer length for %s", env_var_name);
return;
}
// accommodate \0
id_len++;
char* id_str = malloc(id_len);
if (!id_str) {
sway_log(SWAY_ERROR, "Unable to allocate buffer for %s", env_var_name);
return;
}
snprintf(id_str, id_len, "%zu", id);
setenv(env_var_name, id_str, 1);
free(id_str);
}
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))) {
@ -28,13 +47,22 @@ struct cmd_results *cmd_exec_validate(int argc, char **argv) {
struct cmd_results *cmd_exec_process(int argc, char **argv) {
struct cmd_results *error = NULL;
char *cmd = NULL;
bool matched_ids = false;
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;
int argv_counter = -1;
while (argc > 0 && has_prefix(*argv, "--")) {
if (strcmp(argv[0], "--matched-ids") == 0) {
matched_ids = true;
} else if (strcmp(argv[0], "--no-startup-id") == 0) {
no_startup_id = true;
} else {
return cmd_results_new(CMD_INVALID, "Unrecognized argument '%s'", *argv);
}
--argc; ++argv; --argv_counter;
}
if ((error = checkarg(argc, argv[argv_counter], EXPECTED_AT_LEAST, 1))) {
return error;
}
if (argc == 1 && (argv[0][0] == '\'' || argv[0][0] == '"')) {
@ -61,6 +89,22 @@ struct cmd_results *cmd_exec_process(int argc, char **argv) {
}
}
if (!matched_ids || config->handler_context.node == NULL) {
goto no_con_id_export;
}
struct sway_node *node = config->handler_context.node;
export_id("SWAY_EXEC_CON_ID", node->id);
#if WLR_HAS_XWAYLAND
if (node->type == N_CONTAINER &&
node->sway_container->view != NULL &&
node->sway_container->view->type == SWAY_VIEW_XWAYLAND) {
export_id("I3_WINDOW_ID", view_get_x11_window_id(node->sway_container->view));
}
#endif
no_con_id_export:
execlp("sh", "sh", "-c", cmd, (void*)NULL);
sway_log_errno(SWAY_ERROR, "execve failed");
_exit(0); // Close child process
@ -87,3 +131,4 @@ struct cmd_results *cmd_exec_always(int argc, char **argv) {
}
return cmd_exec_process(argc, argv);
}

10
sway/sway.5.scd
View file

@ -704,10 +704,14 @@ The default colors are:
windows that are spawned in floating mode, not windows that become floating
afterwards.
*exec* <shell command>
Executes _shell command_ with sh.
*exec* [--matched-ids] [--no-startup-id] <shell command>
Executes _shell command_ with sh. With _--matched-ids_, It exports the
matched container id to env variable SWAY_EXEC_CON_ID and, if available,
X11 window id to env variable I3_WINDOW_ID in case of a criteria match or
the focused node otherwise. The _--no_startup_id_ option prevents exporting
of DESKTOP_STARTUP_ID.
*exec_always* <shell command>
*exec_always* [--matched-container-id] [--no-startup-id] <shell command>
Like *exec*, but the shell command will be executed _again_ after *reload*.
*floating_maximum_size* <width> x <height>