Squashed 'deps/nostalgia/' content from commit 9cb6bd4a

git-subtree-dir: deps/nostalgia
git-subtree-split: 9cb6bd4a32e9f39a858f72443ff5c6d40489fe22

deps/buildcore/scripts/pybb.py

@@ -0,0 +1,160 @@
+#! /usr/bin/env python3
+
+#
+#  Copyright 2016 - 2021 gary@drinkingtea.net
+#
+#  This Source Code Form is subject to the terms of the Mozilla Public
+#  License, v. 2.0. If a copy of the MPL was not distributed with this
+#  file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+
+# "Python Busy Box" - adds cross-platform equivalents to Unix commands that
+#                     don't translate well to that other operating system
+
+import os
+import platform
+import shutil
+import subprocess
+import sys
+from typing import List, Optional
+
+import util
+
+
+def mkdir(path: str) -> int:
+    try:
+        util.mkdir_p(path)
+    except Exception:
+        return 1
+    return 0
+
+
+def rm_multi(paths: List[str]):
+    for path in paths:
+        util.rm(path)
+
+
+def ctest_all() -> int:
+    base_path = sys.argv[2]
+    if not os.path.isdir(base_path):
+        # no generated projects
+        return 0
+    args = ['ctest'] + sys.argv[3:]
+    orig_dir = os.getcwd()
+    for d in os.listdir(base_path):
+        os.chdir(os.path.join(orig_dir, base_path, d))
+        err = subprocess.run(args).returncode
+        if err != 0:
+            return err
+    return 0
+
+
+def cmake_build(base_path: str, target: Optional[str]) -> int:
+    if not os.path.isdir(base_path):
+        # nothing to build
+        return 0
+    for d in os.listdir(base_path):
+        path = os.path.join(base_path, d)
+        if not os.path.isdir(path):
+            continue
+        args = ['cmake', '--build', path]
+        if target is not None:
+            args.extend(['--target', target])
+        err = subprocess.run(args).returncode
+        if err != 0:
+            return err
+    return 0
+
+
+def conan() -> int:
+    project_name = sys.argv[2]
+    conan_dir = '.conanbuild'
+    err = 0
+    try:
+        mkdir(conan_dir)
+    except Exception:
+        return 1
+    if err != 0:
+        return err
+    args = ['conan', 'install', '../', '--build=missing', '-pr', project_name]
+    os.chdir(conan_dir)
+    return subprocess.run(args).returncode
+
+
+def cat(paths: List[str]) -> int:
+    for path in paths:
+        try:
+            with open(path) as f:
+                data = f.read()
+                print(data)
+        except FileNotFoundError:
+            sys.stderr.write(f'cat: {path}: no such file or directory\n')
+            return 1
+    return 0
+
+
+def debug(paths: List[str]) -> int:
+    if shutil.which('gdb') is not None:
+        args = ['gdb', '--args']
+    elif shutil.which('lldb') is not None:
+        args = ['lldb', '--']
+    args.extend(paths)
+    return subprocess.run(args).returncode
+
+
+def get_env(var_name: str) -> int:
+    if var_name not in os.environ:
+        return 1
+    print(os.environ[var_name])
+    return 0
+
+
+def hostname() -> int:
+    print(platform.node())
+    return 0
+
+
+def host_env() -> int:
+    os_name = platform.system().lower()
+    arch = util.get_arch()
+    print(f'{os_name}-{arch}')
+    return 0
+
+
+def clarg(idx: int) -> Optional[str]:
+    return sys.argv[idx] if len(sys.argv) > idx else None
+
+
+def main() -> int:
+    err = 0
+    if sys.argv[1] == 'mkdir':
+        err = mkdir(sys.argv[2])
+    elif sys.argv[1] == 'rm':
+        rm_multi(sys.argv[2:])
+    elif sys.argv[1] == 'conan-install':
+        err = conan()
+    elif sys.argv[1] == 'ctest-all':
+        err = ctest_all()
+    elif sys.argv[1] == 'cmake-build':
+        err = cmake_build(sys.argv[2], clarg(3))
+    elif sys.argv[1] == 'cat':
+        err = cat(sys.argv[2:])
+    elif sys.argv[1] == 'debug':
+        err = debug(sys.argv[2:])
+    elif sys.argv[1] == 'getenv':
+        err = get_env(sys.argv[2])
+    elif sys.argv[1] == 'hostname':
+        err = hostname()
+    elif sys.argv[1] == 'hostenv':
+        err = host_env()
+    else:
+        sys.stderr.write('Command not found\n')
+        err = 1
+    return err
+
+
+if __name__ == '__main__':
+    try:
+        sys.exit(main())
+    except KeyboardInterrupt:
+        sys.exit(1)