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[CLI] Only generate files if contents change. (#24038)

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Don't overwrite if the content doesn't change.
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Nick Brassel 2024-07-24 15:16:51 +10:00 committed by GitHub
parent 8c5acdea12
commit 8c35011d0a
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1 changed files with 6 additions and 0 deletions
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6
lib/python/qmk/commands.py
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@ -101,6 +101,12 @@ def dump_lines(output_file, lines, quiet=True):
if output_file and output_file.name != '-':
output_file.parent.mkdir(parents=True, exist_ok=True)
if output_file.exists():
with open(output_file, 'r', encoding='utf-8', newline='\n') as f:
existing = f.read()
if existing == generated:
if not quiet:
cli.log.info(f'No changes to {output_file.name}.')
return
output_file.replace(output_file.parent / (output_file.name + '.bak'))
output_file.write_text(generated, encoding='utf-8')