extract_workspace_names_from_bindings: handle optional flags

fixes #3527

src/workspace.c

@@ -197,18 +197,27 @@ void extract_workspace_names_from_bindings(void) {
         while (*target == ' ' || *target == '\t')
             target++;
         /* We check if this is the workspace
-         * next/prev/next_on_output/prev_on_output/back_and_forth/number command.
+         * next/prev/next_on_output/prev_on_output/back_and_forth command.
          * Beware: The workspace names "next", "prev", "next_on_output",
-         * "prev_on_output", "number", "back_and_forth" and "current" are OK,
+         * "prev_on_output", "back_and_forth" and "current" are OK,
          * so we check before stripping the double quotes */
         if (strncasecmp(target, "next", strlen("next")) == 0 ||
             strncasecmp(target, "prev", strlen("prev")) == 0 ||
             strncasecmp(target, "next_on_output", strlen("next_on_output")) == 0 ||
             strncasecmp(target, "prev_on_output", strlen("prev_on_output")) == 0 ||
-            strncasecmp(target, "number", strlen("number")) == 0 ||
             strncasecmp(target, "back_and_forth", strlen("back_and_forth")) == 0 ||
             strncasecmp(target, "current", strlen("current")) == 0)
             continue;
+        if (strncasecmp(target, "--no-auto-back-and-forth", strlen("--no-auto-back-and-forth")) == 0) {
+            target += strlen("--no-auto-back-and-forth");
+            while (*target == ' ' || *target == '\t')
+                target++;
+        }
+        if (strncasecmp(target, "number", strlen("number")) == 0) {
+            target += strlen("number");
+            while (*target == ' ' || *target == '\t')
+                target++;
+        }
         char *target_name = parse_string(&target, false);
         if (target_name == NULL)
             continue;

testcases/t/172-start-on-named-ws.t

@@ -125,4 +125,22 @@ is_deeply(\@names, [ '3' ], 'i3 starts on workspace 3');
 
 exit_gracefully($pid);
 
+##############################################################
+# 7: verify optional flags do not affect startup workspace
+##############################################################
+
+$config = <<EOT;
+# i3 config file (v4)
+font -misc-fixed-medium-r-normal--13-120-75-75-C-70-iso10646-1
+
+bindsym Mod1+1 workspace --no-auto-back-and-forth number 3:three
+EOT
+
+$pid = launch_with_config($config);
+
+@names = @{get_workspace_names()};
+is_deeply(\@names, [ '3:three' ], 'i3 starts on named workspace 3:three');
+
+exit_gracefully($pid);
+
 done_testing;

testcases/t/270-config-no-newline-end.t

@@ -19,10 +19,9 @@
 use i3test i3_autostart => 0;
 
 my $first_lines = <<'EOT';
-set $workspace1 workspace number 1
 set $workspace0 workspace eggs
 
-bindsym Mod4+1 $workspace1
+font -misc-fixed-medium-r-normal--13-120-75-75-C-70-iso10646-1
 EOT
 
 # Intentionally don't add a trailing newline for the last line since this is