1 files changed, 33 insertions, 0 deletions

diff --git a/sway/old/commands/bar/id.c b/sway/old/commands/bar/id.c
new file mode 100644
index 00000000..1221ebf6
--- /dev/null
+++ b/sway/old/commands/bar/id.c
@@ -0,0 +1,33 @@
+#define _XOPEN_SOURCE 500
+#include <string.h>
+#include "sway/commands.h"
+#include "log.h"
+
+struct cmd_results *bar_cmd_id(int argc, char **argv) {
+        struct cmd_results *error = NULL;
+        if ((error = checkarg(argc, "id", EXPECTED_EQUAL_TO, 1))) {
+                return error;
+        }
+
+        const char *name = argv[0];
+        const char *oldname = config->current_bar->id;
+
+        // check if id is used by a previously defined bar
+        int i;
+        for (i = 0; i < config->bars->length; ++i) {
+                struct bar_config *find = config->bars->items[i];
+                if (strcmp(name, find->id) == 0 && config->current_bar != find) {
+                        return cmd_results_new(CMD_FAILURE, "id",
+                                        "Id '%s' already defined for another bar. Id unchanged (%s).",
+                                        name, oldname);
+                }
+        }
+
+        sway_log(L_DEBUG, "Renaming bar: '%s' to '%s'", oldname, name);
+
+        // free old bar id
+        free(config->current_bar->id);
+
+        config->current_bar->id = strdup(name);
+        return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}