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Only remove gyb-generated files that don't exist anymore #153

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Merged
merged 1 commit into from
Oct 8, 2019
Merged

Only remove gyb-generated files that don't exist anymore #153

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6 changes: 5 additions & 1 deletion build-script.py
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Original file line number Diff line number Diff line change
Expand Up @@ -110,7 +110,11 @@ def generate_gyb_files(verbose, add_source_locations, tar_path):
# Clear any *.swift files that are relics from the previous run.
for previous_gyb_gen_file in os.listdir(generated_files_dir):
if previous_gyb_gen_file.endswith('.swift'):
check_call(['rm', previous_gyb_gen_file], cwd=generated_files_dir)
gyb_file = os.path.join(swiftsyntax_sources_dir,
previous_gyb_gen_file + '.gyb')
if not os.path.exists(gyb_file):
check_call(['rm', previous_gyb_gen_file], cwd=generated_files_dir,
verbose=verbose)

# Generate the new .swift files in a temporary directory and only copy them
# to Sources/SwiftSyntax/gyb_generated if they are different than the files
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