[ci] build.py: Add nice when compiling

.github/workflows/scripts/ti_build/entry.py

@@ -20,7 +20,7 @@
 from .ospkg import setup_os_pkgs
 from .python import get_desired_python_version, setup_python
 from .sccache import setup_sccache
-from .tinysh import Command, CommandFailed, git
+from .tinysh import Command, CommandFailed, git, nice
 from .vulkan import setup_vulkan
 
 
@@ -50,7 +50,8 @@ def build_wheel(python: Command, pip: Command) -> None:
     python("setup.py", "clean")
     python("misc/make_changelog.py", "--ver", "origin/master", "--repo_dir", "./", "--save")
 
-    python("setup.py", *proj_tags, "bdist_wheel", *extra)
+    with nice():
+        python("setup.py", *proj_tags, "bdist_wheel", *extra)
 
 
 @banner("Install Build Wheel Dependencies")

.github/workflows/scripts/ti_build/tinysh.py

@@ -218,6 +218,19 @@ def sudo():
         return prefix("sudo")
 
 
+def nice():
+    """
+    Wrap a command with sudo.
+    """
+    if IS_WINDOWS:
+        from .misc import warn
+
+        warn("nice is not yet implemented on Windows")
+        return with_options({})
+    else:
+        return prefix("nice")
+
+
 sh = Command()
 git = sh.git
 # Use setup_python !