Mercurial > hg
annotate tests/svn-safe-append.py @ 46874:84a93fa7ecfd
revlog-compression: use zstd by default (if available)
As see in changeset bb271ec2fbfb, zstd is 20% to 50% faster for reading and
writing.
Use take advantage of the new config behavior to try zstd by default, falling
back to zlib is zstd is not available on that plateform.
Differential Revision: https://phab.mercurial-scm.org/D10326
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Tue, 06 Apr 2021 18:55:19 +0200 |
parents | c102b704edb5 |
children | 6000f5b25c9b |
rev | line source |
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1 #!/usr/bin/env python3 |
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2 |
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3 from __future__ import absolute_import |
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4 |
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5 __doc__ = """Same as `echo a >> b`, but ensures a changed mtime of b. |
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6 Without this svn will not detect workspace changes.""" |
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7 |
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8 import os |
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9 import stat |
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10 import sys |
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11 |
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12 if sys.version_info[0] >= 3: |
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13 text = os.fsencode(sys.argv[1]) |
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14 fname = os.fsencode(sys.argv[2]) |
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15 else: |
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16 text = sys.argv[1] |
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17 fname = sys.argv[2] |
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18 |
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19 f = open(fname, "ab") |
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20 try: |
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21 before = os.fstat(f.fileno())[stat.ST_MTIME] |
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22 f.write(text) |
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23 f.write(b"\n") |
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24 finally: |
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25 f.close() |
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26 inc = 1 |
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27 now = os.stat(fname)[stat.ST_MTIME] |
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28 while now == before: |
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29 t = now + inc |
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30 inc += 1 |
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31 os.utime(fname, (t, t)) |
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32 now = os.stat(fname)[stat.ST_MTIME] |