From a0e0516795207c88f0a2f92f9e906e64332d7f8b Mon Sep 17 00:00:00 2001
From: Andrej730 <azhilenkov@gmail.com>
Date: Mon, 14 Sep 2026 14:48:51 +0500
Subject: [PATCH] build-deps.py: add `-y` to skip initial confirmation prompt

---
 win/build-all-win.py |  7 +------
 win/build-all.py     |  7 +------
 win/build-deps.py    | 22 +++++++++++++++-------
 3 files changed, 17 insertions(+), 19 deletions(-)

diff --git a/win/build-all-win.py b/win/build-all-win.py
index ce031b935f..f868510861 100644
--- a/win/build-all-win.py
+++ b/win/build-all-win.py
@@ -217,12 +217,7 @@ def build() -> None:
     for python_version in PYTHON_VERSIONS:
         os.environ["PYTHON_VERSION"] = python_version
         print(f"Building for Python {python_version}...")
-        subprocess.run(
-            [sys.executable, str(REPO_WIN / "build-deps.py"), build_generator(), "Release"],
-            check=True,
-            text=True,
-            input="y\n",
-        )
+        run([sys.executable, str(REPO_WIN / "build-deps.py"), build_generator(), "Release", "-y"])
         OLD_ADD_COMMIT_SHA = set_env("ADD_COMMIT_SHA", "ON")
         run(
             [
diff --git a/win/build-all.py b/win/build-all.py
index e80cd9abea..5e9b245068 100644
--- a/win/build-all.py
+++ b/win/build-all.py
@@ -22,7 +22,6 @@
 ###############################################################################
 #
 import argparse
-import subprocess
 import sys
 from typing import NamedTuple, NoReturn
 
@@ -33,7 +32,6 @@ from common import (
     BuildCfg,
     HelpStrings,
     ensure_script_dir,
-    logger,
     run_streamed,
 )
 
@@ -110,10 +108,7 @@ def main() -> None:
 
     generator_args = [ARGS.generator] if ARGS.generator else []
 
-    # Auto-answer build-deps.py's "are you ready" prompt, same trick as build-all.cmd's "echo y |".
-    build_deps_cmd = [sys.executable, str(SCRIPT_DIR / "build-deps.py"), *generator_args, ARGS.build_cfg]
-    logger.info(f"$ {' '.join(build_deps_cmd)}")
-    subprocess.run(build_deps_cmd, input="y\n", text=True, check=True)
+    run_streamed(sys.executable, str(SCRIPT_DIR / "build-deps.py"), *generator_args, ARGS.build_cfg, "-y")
 
     run_streamed(sys.executable, str(SCRIPT_DIR / "run-cmake.py"), *generator_args, "--", *ARGS.extra_args)
     run_streamed(sys.executable, str(SCRIPT_DIR / "build-ifcopenshell.py"), *generator_args, ARGS.build_cfg)
diff --git a/win/build-deps.py b/win/build-deps.py
index 6ba217afd6..740ecf2908 100644
--- a/win/build-deps.py
+++ b/win/build-deps.py
@@ -80,6 +80,7 @@ class Args(NamedTuple):
     num_build_procs: int
     install_python: bool
     install_qt6: bool
+    yes: bool
 
 
 def print_build_config(
@@ -229,6 +230,12 @@ def parse_args() -> Args:
             "(default: True)"
         ),
     )
+    parser.add_argument(
+        "-y",
+        "--yes",
+        action="store_true",
+        help="Skip the confirmation prompt before proceeding with the build.",
+    )
     args = parser.parse_args()
     logger.setLevel(args.log_level)
 
@@ -257,6 +264,7 @@ def parse_args() -> Args:
         num_build_procs=num_build_procs,
         install_python=install_python,
         install_qt6=install_qt6,
+        yes=args.yes,
     )
 
 
@@ -316,13 +324,13 @@ def main() -> None:
     )
 
     logger.warning("Warning: You will need roughly 8 GB of disk space to proceed.\n")
-    logger.info(
-        "If you are not ready with the above: type 'n' in the prompt below. Build proceeds on all other inputs!"
-    )
-    # TODO: add a `-y` option to skip this prompt.
-    do_continue = input("> ")
-    if do_continue == "n":
-        sys.exit(0)
+    if not ARGS.yes:
+        logger.info(
+            "If you are not ready with the above: type 'n' in the prompt below. Build proceeds on all other inputs!"
+        )
+        do_continue = input("> ")
+        if do_continue == "n":
+            sys.exit(0)
 
     START_TIME = datetime.now().replace(microsecond=0)
     logger.info(f"Build started at {START_TIME}.")