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

There is no functional change

Bug: 130257221
Test: generated an archive using the script and ran the result
Change-Id: I946f2827a9519873be2173fc50d9bc1cc46a326f
This commit is contained in:
Mitchell Wills 2019-12-06 17:22:43 -08:00
parent 0c4f577f1c
commit a428b092e6
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)
_MAX_OFFSET_WIDTH = 20
def _generate_extract_command(start, end, extract_name):
def _generate_extract_command(start, size, extract_name):
"""Generate the extract command.
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:
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
"""
@ -111,11 +111,11 @@ def _generate_extract_command(start, end, extract_name):
if len(start_str) != _MAX_OFFSET_WIDTH + 1:
raise Exception('Start offset too large (%d)' % start)
end_str = ('%d' % end).rjust(_MAX_OFFSET_WIDTH)
if len(end_str) != _MAX_OFFSET_WIDTH:
raise Exception('End offset too large (%d)' % end)
size_str = ('%d' % size).rjust(_MAX_OFFSET_WIDTH)
if len(size_str) != _MAX_OFFSET_WIDTH:
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):