Remove commented-out code.

src/commands.c

@@ -142,102 +142,6 @@ static Con *maybe_auto_back_and_forth_workspace(Con *workspace) {
     return workspace;
 }
 
-// This code is commented out because we might recycle it for popping up error
-// messages on parser errors.
-#if 0
-static pid_t migration_pid = -1;
-
-/*
- * Handler which will be called when we get a SIGCHLD for the nagbar, meaning
- * it exited (or could not be started, depending on the exit code).
- *
- */
-static void nagbar_exited(EV_P_ ev_child *watcher, int revents) {
-    ev_child_stop(EV_A_ watcher);
-    if (!WIFEXITED(watcher->rstatus)) {
-        fprintf(stderr, "ERROR: i3-nagbar did not exit normally.\n");
-        return;
-    }
-
-    int exitcode = WEXITSTATUS(watcher->rstatus);
-    printf("i3-nagbar process exited with status %d\n", exitcode);
-    if (exitcode == 2) {
-        fprintf(stderr, "ERROR: i3-nagbar could not be found. Is it correctly installed on your system?\n");
-    }
-
-    migration_pid = -1;
-}
-
-/* We need ev >= 4 for the following code. Since it is not *that* important (it
- * only makes sure that there are no i3-nagbar instances left behind) we still
- * support old systems with libev 3. */
-#if EV_VERSION_MAJOR >= 4
-/*
- * Cleanup handler. Will be called when i3 exits. Kills i3-nagbar with signal
- * SIGKILL (9) to make sure there are no left-over i3-nagbar processes.
- *
- */
-static void nagbar_cleanup(EV_P_ ev_cleanup *watcher, int revent) {
-    if (migration_pid != -1) {
-        LOG("Sending SIGKILL (9) to i3-nagbar with PID %d\n", migration_pid);
-        kill(migration_pid, SIGKILL);
-    }
-}
-#endif
-
-void cmd_MIGRATION_start_nagbar(void) {
-    if (migration_pid != -1) {
-        fprintf(stderr, "i3-nagbar already running.\n");
-        return;
-    }
-    fprintf(stderr, "Starting i3-nagbar, command parsing differs from expected output.\n");
-    ELOG("Please report this on IRC or in the bugtracker. Make sure to include the full debug level logfile:\n");
-    ELOG("i3-dump-log | gzip -9c > /tmp/i3.log.gz\n");
-    ELOG("FYI: Your i3 version is " I3_VERSION "\n");
-    migration_pid = fork();
-    if (migration_pid == -1) {
-        warn("Could not fork()");
-        return;
-    }
-
-    /* child */
-    if (migration_pid == 0) {
-        char *pageraction;
-        sasprintf(&pageraction, "i3-sensible-terminal -e i3-sensible-pager \"%s\"", errorfilename);
-        char *argv[] = {
-            NULL, /* will be replaced by the executable path */
-            "-t",
-            "error",
-            "-m",
-            "You found a parsing error. Please, please, please, report it!",
-            "-b",
-            "show errors",
-            pageraction,
-            NULL
-        };
-        exec_i3_utility("i3-nagbar", argv);
-    }
-
-    /* parent */
-    /* install a child watcher */
-    ev_child *child = smalloc(sizeof(ev_child));
-    ev_child_init(child, &nagbar_exited, migration_pid, 0);
-    ev_child_start(main_loop, child);
-
-/* We need ev >= 4 for the following code. Since it is not *that* important (it
- * only makes sure that there are no i3-nagbar instances left behind) we still
- * support old systems with libev 3. */
-#if EV_VERSION_MAJOR >= 4
-    /* install a cleanup watcher (will be called when i3 exits and i3-nagbar is
-     * still running) */
-    ev_cleanup *cleanup = smalloc(sizeof(ev_cleanup));
-    ev_cleanup_init(cleanup, nagbar_cleanup);
-    ev_cleanup_start(main_loop, cleanup);
-#endif
-}
-
-#endif
-
 /*******************************************************************************
  * Criteria functions.
  ******************************************************************************/