swaybg: use output names instead of output indexes

1 files changed, 11 insertions, 10 deletions

diff --git a/sway/config/output.c b/sway/config/output.c
index f24e7d66..2cbfa3cd 100644
--- a/sway/config/output.c
+++ b/sway/config/output.c
@@ -229,28 +229,29 @@ void apply_output_config(struct output_config *oc, struct sway_output *output) {
 		terminate_swaybg(output->bg_pid);
 	}
 	if (oc && oc->background && config->swaybg_command) {
-		wlr_log(WLR_DEBUG, "Setting background for output %d to %s",
-				output_i, oc->background);
+		wlr_log(WLR_DEBUG, "Setting background for output %s to %s",
+			wlr_output->name, oc->background);
 
-		size_t len = snprintf(NULL, 0, "%s %d \"%s\" %s %s",
-				config->swaybg_command, output_i, oc->background,
-				oc->background_option,
-				oc->background_fallback ? oc->background_fallback : "");
+		size_t len = snprintf(NULL, 0, "%s \"%s\" \"%s\" %s %s",
+			config->swaybg_command, wlr_output->name, oc->background,
+			oc->background_option,
+			oc->background_fallback ? oc->background_fallback : "");
 		char *command = malloc(len + 1);
 		if (!command) {
 			wlr_log(WLR_DEBUG, "Unable to allocate swaybg command");
 			return;
 		}
-		snprintf(command, len + 1, "%s %d \"%s\" %s %s",
-				config->swaybg_command, output_i, oc->background,
-				oc->background_option,
-				oc->background_fallback ? oc->background_fallback : "");
+		snprintf(command, len + 1, "%s \"%s\" \"%s\" %s %s",
+			config->swaybg_command, wlr_output->name, oc->background,
+			oc->background_option,
+			oc->background_fallback ? oc->background_fallback : "");
 		wlr_log(WLR_DEBUG, "-> %s", command);
 
 		char *const cmd[] = { "sh", "-c", command, NULL };
 		output->bg_pid = fork();
 		if (output->bg_pid == 0) {
 			execvp(cmd[0], cmd);
+			wlr_log_errno(WLR_ERROR, "Failed to execute swaybg");
 		} else {
 			free(command);
 		}