Mercurial > hg
annotate contrib/debugcmdserver.py @ 49680:40e24d82b513
delta-find: make sure we only use newer full snapshot as candidate
The current code does not needs to protect against this, as there are no older
snapshot in the current cache. However as we are getting ready to reuse this
cache from one revision to another, we need the code to protect itself about
what's coming.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Sun, 06 Nov 2022 17:55:55 -0500 |
parents | 6000f5b25c9b |
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rev | line source |
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global: use python3 in shebangs
Gregory Szorc <gregory.szorc@gmail.com>
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1 #!/usr/bin/env python3 |
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2 # |
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3 # Dumps output generated by Mercurial's command server in a formatted style to a |
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4 # given file or stderr if '-' is specified. Output is also written in its raw |
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5 # format to stdout. |
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6 # |
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7 # $ ./hg serve --cmds pipe | ./contrib/debugcmdserver.py - |
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8 # o, 52 -> 'capabilities: getencoding runcommand\nencoding: UTF-8' |
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9 |
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10 import struct |
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11 import sys |
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12 |
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13 if len(sys.argv) != 2: |
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14 print('usage: debugcmdserver.py FILE') |
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15 sys.exit(1) |
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16 |
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17 outputfmt = '>cI' |
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18 outputfmtsize = struct.calcsize(outputfmt) |
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19 |
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20 if sys.argv[1] == '-': |
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21 log = sys.stderr |
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22 else: |
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23 log = open(sys.argv[1], 'a') |
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24 |
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Augie Fackler <augie@google.com>
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25 |
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26 def read(size): |
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27 data = sys.stdin.read(size) |
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28 if not data: |
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29 raise EOFError |
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30 sys.stdout.write(data) |
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31 sys.stdout.flush() |
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32 return data |
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33 |
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34 |
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35 try: |
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36 while True: |
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37 header = read(outputfmtsize) |
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38 channel, length = struct.unpack(outputfmt, header) |
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39 log.write('%s, %-4d' % (channel, length)) |
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40 if channel in 'IL': |
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41 log.write(' -> waiting for input\n') |
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42 else: |
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43 data = read(length) |
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44 log.write(' -> %r\n' % data) |
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45 log.flush() |
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46 except EOFError: |
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47 pass |
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48 finally: |
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49 if log != sys.stderr: |
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50 log.close() |