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Code Issues Releases Activity

Add --inline option to legacy_fields_migrator 

https://github.com/bazelbuild/bazel/issues/5883

RELNOTES: None.
PiperOrigin-RevId: 227827560
This commit is contained in:
hlopko 2019-01-04 11:36:59 +01:00 committed by Marcel Hlopko
parent b809b1312f
commit 30e32836fa
1 changed files with 16 additions and 12 deletions
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28
tools/migration/legacy_fields_migrator.py
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@ -24,6 +24,7 @@ import os
flags.DEFINE_string("input", None, "Input CROSSTOOL file to be migrated")
flags.DEFINE_string("output", None,
"Output path where to write migrated CROSSTOOL.")
flags.DEFINE_boolean("inline", None, "Overwrite --input file")
def main(unused_argv):
@ -31,31 +32,34 @@ def main(unused_argv):
input_filename = flags.FLAGS.input
output_filename = flags.FLAGS.output
inline = flags.FLAGS.inline
if not input_filename:
raise app.UsageError("ERROR input unspecified")
if not output_filename:
raise app.UsageError("ERROR output unspecified")
raise app.UsageError("ERROR --input unspecified")
if not output_filename and not inline:
raise app.UsageError("ERROR --output unspecified and --inline not passed")
if output_filename and inline:
raise app.UsageError("ERROR both --output and --inline passed")
with open(to_absolute_path(input_filename), "r") as f:
input_text = f.read()
f = open(to_absolute_path(input_filename), "r")
input_text = f.read()
text_format.Merge(input_text, crosstool)
f.close()
output_text = migrate_legacy_fields(crosstool)
f = open(to_absolute_path(output_filename), "w")
migrate_legacy_fields(crosstool)
output_text = text_format.MessageToString(crosstool)
f.write(output_text)
f.close()
resolved_output_filename = to_absolute_path(
input_filename if inline else output_filename)
with open(resolved_output_filename, "w") as f:
f.write(output_text)
def to_absolute_path(path):
path = os.path.expanduser(path)
if os.path.isabs(path):
return path
else:
if os.environ["BUILD_WORKING_DIRECTORY"]:
if "BUILD_WORKING_DIRECTORY" in os.environ:
return os.path.join(os.environ["BUILD_WORKING_DIRECTORY"], path)
else:
return path