Log important env vars on startup

1 files changed, 27 insertions, 0 deletions

diff --git a/sway/main.c b/sway/main.c
index b924a9ab..015fe247 100644
--- a/sway/main.c
+++ b/sway/main.c
@@ -75,6 +75,32 @@ void run_as_ipc_client(char *command, char *socket_path) {
         close(socketfd);
 }
 
+static void log_env() {
+        const char *log_vars[] = {
+                "PATH",
+                "LD_LOAD_PATH",
+                "LD_PRELOAD_PATH",
+                "SWAY_CURSOR_THEME",
+                "SWAY_CURSOR_SIZE",
+                "SWAYSOCK",
+                "WLC_DRM_DEVICE",
+                "WLC_SHM",
+                "WLC_OUTPUTS",
+                "WLC_XWAYLAND",
+                "WLC_LIBINPUT",
+                "WLC_REPEAT_DELAY",
+                "WLC_REPEAT_RATE",
+                "XKB_DEFAULT_RULES",
+                "XKB_DEFAULT_MODEL",
+                "XKB_DEFAULT_LAYOUT",
+                "XKB_DEFAULT_VARIANT",
+                "XKB_DEFAULT_OPTIONS",
+        };
+        for (size_t i = 0; i < sizeof(log_vars) / sizeof(char *); ++i) {
+                sway_log(L_INFO, "%s=%s", log_vars[i], getenv(log_vars[i]));
+        }
+}
+
 int main(int argc, char **argv) {
         static int verbose = 0, debug = 0, validate = 0;
 
@@ -210,6 +236,7 @@ int main(int argc, char **argv) {
 #if defined SWAY_GIT_VERSION && defined SWAY_GIT_BRANCH && defined SWAY_VERSION_DATE
         sway_log(L_INFO, "Starting sway version %s (%s, branch \"%s\")\n", SWAY_GIT_VERSION, SWAY_VERSION_DATE, SWAY_GIT_BRANCH);
 #endif
+        log_env();
 
         init_layout();