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Diffstat (limited to 'Tools/scripts/update_file.py')
-rw-r--r-- | Tools/scripts/update_file.py | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/Tools/scripts/update_file.py b/Tools/scripts/update_file.py deleted file mode 100644 index 224585c..0000000 --- a/Tools/scripts/update_file.py +++ /dev/null @@ -1,28 +0,0 @@ -""" -A script that replaces an old file with a new one, only if the contents -actually changed. If not, the new file is simply deleted. - -This avoids wholesale rebuilds when a code (re)generation phase does not -actually change the in-tree generated code. -""" - -import os -import sys - - -def main(old_path, new_path): - with open(old_path, 'rb') as f: - old_contents = f.read() - with open(new_path, 'rb') as f: - new_contents = f.read() - if old_contents != new_contents: - os.replace(new_path, old_path) - else: - os.unlink(new_path) - - -if __name__ == '__main__': - if len(sys.argv) != 3: - print("Usage: %s <path to be updated> <path with new contents>" % (sys.argv[0],)) - sys.exit(1) - main(sys.argv[1], sys.argv[2]) |