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Merge "Fix comment to reflect that the value passed to head is actually the size" 

am: 04175fa5fc

Change-Id: Ibb9b900018e55bff15dbe57e24aadf0fdb3c8bb9
This commit is contained in:
Mitchell Wills 2019-12-07 00:27:33 -08:00 committed by android-build-merger
parent 0ef7856a56 04175fa5fc
commit 91a3c6f217
1 changed files with 6 additions and 6 deletions
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12
tools/generate-self-extracting-archive.py
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@ -92,7 +92,7 @@ def _pipe_bytes(src, dst):
dst.write(b) dst.write(b)
_MAX_OFFSET_WIDTH = 20 _MAX_OFFSET_WIDTH = 20
def _generate_extract_command(start, end, extract_name): def _generate_extract_command(start, size, extract_name):
"""Generate the extract command. """Generate the extract command.
The length of this string must be constant no matter what the start and end The length of this string must be constant no matter what the start and end
@ -101,7 +101,7 @@ def _generate_extract_command(start, end, extract_name):
Args: Args:
start: offset in bytes of the start of the wrapped file start: offset in bytes of the start of the wrapped file
end: offset in bytes of the end of the wrapped file size: size in bytes of the wrapped file
extract_name: of the file to create when extracted extract_name: of the file to create when extracted
""" """
@ -111,11 +111,11 @@ def _generate_extract_command(start, end, extract_name):
if len(start_str) != _MAX_OFFSET_WIDTH + 1: if len(start_str) != _MAX_OFFSET_WIDTH + 1:
raise Exception('Start offset too large (%d)' % start) raise Exception('Start offset too large (%d)' % start)
end_str = ('%d' % end).rjust(_MAX_OFFSET_WIDTH) size_str = ('%d' % size).rjust(_MAX_OFFSET_WIDTH)
if len(end_str) != _MAX_OFFSET_WIDTH: if len(size_str) != _MAX_OFFSET_WIDTH:
raise Exception('End offset too large (%d)' % end) raise Exception('Size too large (%d)' % size)
return "tail -c %s $0 | head -c %s > %s\n" % (start_str, end_str, extract_name) return "tail -c %s $0 | head -c %s > %s\n" % (start_str, size_str, extract_name)
def main(argv): def main(argv):