Allow multiple workers per builder

It's a hack, for now.

Author: zware

master/master.cfg

@@ -233,7 +233,14 @@ mail_status_builders = []
 for branch_num, (git_url, branchname, git_branch) in enumerate(git_branches):
     buildernames = []
     refleakbuildernames = []
-    for name, worker_name, buildfactory, stability, tier in BUILDERS:
+    for name, worker_names, buildfactory, stability, tier in BUILDERS:
+        # XXX: Hack; need to actually support this, which will take a more
+        # significant rewrite of...everything.
+        worker_name = worker_names
+        if isinstance(worker_names, tuple):
+            worker_name = worker_names[0]
+        else:
+            worker_names = (worker_names,)
         if any(
             pattern in name for pattern in ONLY_MAIN_BRANCH
         ) and branchname != MAIN_BRANCH_NAME:
@@ -296,7 +303,7 @@ for branch_num, (git_url, branchname, git_branch) in enumerate(git_branches):
 
         builder = util.BuilderConfig(
             name=buildername,
-            workernames=[worker_name],
+            workernames=list(worker_names),
             builddir="%s.%s%s"
             % (branchname, worker_name, getattr(f, "buildersuffix", "")),
             factory=f,
@@ -341,7 +348,14 @@ for branch_num, (git_url, branchname, git_branch) in enumerate(git_branches):
 stable_pull_request_builders = []
 all_pull_request_builders = []
 
-for name, worker_name, buildfactory, stability, tier in BUILDERS:
+for name, worker_names, buildfactory, stability, tier in BUILDERS:
+    # XXX: Hack; need to actually support this, which will take a more
+    # significant rewrite of...everything.
+    worker_name = worker_names
+    if isinstance(worker_names, tuple):
+        worker_name = worker_names[0]
+    else:
+        worker_names = (worker_names,)
     buildername = f"{name} PR"
     all_pull_request_builders.append(buildername)
     if stability == STABLE:
@@ -365,7 +379,7 @@ for name, worker_name, buildfactory, stability, tier in BUILDERS:
 
     builder = util.BuilderConfig(
         name=buildername,
-        workernames=[worker_name],
+        workernames=list(worker_names),
         builddir="%s.%s%s"
         % ("pull_request", worker_name, getattr(f, "buildersuffix", "")),
         factory=f,