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gsr-hyprland-helper: workaround flatpak bug with environment variables

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dec05eba
2026-01-27 18:49:18 +01:00
parent 3b2a09f8e1
commit 1dbe34c891
2 changed files with 73 additions and 35 deletions
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32
tools/gsr-hyprland-helper/main.c
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@@ -1,27 +1,10 @@
#include <unistd.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <sys/socket.h>
#include <sys/un.h>
static bool get_hyprland_socket_path(char *path, int path_len) {
const char* xdg_runtime_dir = getenv("XDG_RUNTIME_DIR");
const char* instance_sig = getenv("HYPRLAND_INSTANCE_SIGNATURE");
if (!xdg_runtime_dir || !instance_sig) {
fprintf(stderr, "Error: gsr-hypland-helper: environment variables not set\n");
return false;
}
if (snprintf(path, path_len, "%s/hypr/%s/.socket2.sock", xdg_runtime_dir, instance_sig) >= path_len) {
fprintf(stderr, "Error: gsr-hypland-helper: path to hyprland socket (%s/hypr/%s/.socket2.sock) is more than %d characters long\n", xdg_runtime_dir, instance_sig, path_len);
return false;
}
return true;
}
static void print_window_title(const char *window_title) {
if (window_title[0] == 0) {
printf("Window title changed: %s\n", "Desktop");
@@ -32,7 +15,7 @@ static void print_window_title(const char *window_title) {
fflush(stdout);
}
static int handle_ipc(void) {
static int handle_ipc(const char *hyprland_socket_path) {
const int sock_fd = socket(AF_UNIX, SOCK_STREAM, 0);
if (sock_fd == -1) {
perror("Error: gsr-hyprland-helper: socket");
@@ -43,8 +26,9 @@ static int handle_ipc(void) {
memset(&addr, 0, sizeof(addr));
addr.sun_family = AF_UNIX;
if (!get_hyprland_socket_path(addr.sun_path, sizeof(addr.sun_path))) {
return 1;
if (snprintf(addr.sun_path, sizeof(addr.sun_path), "%s", hyprland_socket_path) >= (int)sizeof(addr.sun_path)) {
fprintf(stderr, "Error: gsr-hypland-helper: path to hyprland socket (%s) is more than %d characters long\n", hyprland_socket_path, (int)sizeof(addr.sun_path));
return false;
}
if (connect(sock_fd, (struct sockaddr*)&addr, sizeof(addr)) == -1) {
@@ -90,6 +74,10 @@ static int handle_ipc(void) {
}
int main(void) {
return handle_ipc();
int main(int argc, char **argv) {
if(argc != 2) {
fprintf(stderr, "usage: gsr-hyprland-helper <hyprland-socket-path>\n");
return 1;
}
return handle_ipc(argv[1]);
}