Allow to add additional watch directories with glob patterns

README.rst

@@ -66,6 +66,8 @@ which can seen by running ``sphinx-autobuild --help``:
      --open-browser        open the browser after building documentation
      --delay DELAY         how long to wait before opening the browser
      --watch DIR           additional directories to watch
+     --watch-glob DIR_GLOB
+                           glob pattern for additional directories to watch
      --pre-build COMMAND   additional command(s) to run prior to building the documentation
      --post-build COMMAND  additional command(s) to run after building the documentation
 

sphinx_autobuild/__main__.py

@@ -58,6 +58,11 @@ def main(argv=()):
     )
 
     watch_dirs = [src_dir] + args.additional_watched_dirs
+    cwd = Path.cwd()
+    for dir_glob in args.additional_watched_dir_globs:
+        for directory in cwd.glob(dir_glob):
+            if directory.is_dir():
+                watch_dirs.append(directory.resolve())
     ignore_dirs = [
         ".git",
         ".hg",
@@ -231,6 +236,14 @@ def _add_autobuild_arguments(parser):
         help="additional directories to watch",
         dest="additional_watched_dirs",
     )
+    group.add_argument(
+        "--watch-glob",
+        action="append",
+        metavar="DIR_GLOB",
+        default=[],
+        help="glob pattern for additional directories to watch",
+        dest="additional_watched_dir_globs",
+    )
     group.add_argument(
         "--pre-build",
         action="append",