annotate tests/test-impexp-branch @ 5369:7530334bf301

revlog: generate trivial deltas against null revision To avoid extra memory usage and performance issues with large files, generate a trivial delta header for deltas against the null revision rather than calling the usual delta generator. We append the delta header to meta rather than prepending it to data to avoid a large allocate and copy.
author Matt Mackall <mpm@selenic.com>
date Wed, 03 Oct 2007 17:17:27 -0500
parents 32ea809e5bd1
children
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4439
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1 #!/bin/sh
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2
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3 cat >findbranch.py <<EOF
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4 import re, sys
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5
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6 head_re = re.compile('^#(?:(?:\\s+([A-Za-z][A-Za-z0-9_]*)(?:\\s.*)?)|(?:\\s*))$')
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7
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8 for line in sys.stdin:
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9 hmatch = head_re.match(line)
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10 if not hmatch:
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11 sys.exit(1)
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12 if hmatch.group(1) == 'Branch':
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13 sys.exit(0)
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14 sys.exit(1)
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15 EOF
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16 hg init a
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17 cd a
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18 echo "Rev 1" >rev
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19 hg add rev
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20 hg commit -m "No branch."
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21 hg branch abranch
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22 echo "Rev 2" >rev
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23 hg commit -m "With branch."
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24 if hg export 0 | python ../findbranch.py; then
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25 echo "Export of default branch revision has Branch header" 1>&2
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26 exit 1
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27 fi
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28 if hg export 1 | python ../findbranch.py; then
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29 : # Do nothing
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30 else
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31 echo "Export of branch revision is missing Branch header" 1>&2
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32 exit 1
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33 fi
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34 # Make sure import still works with branch information in patches.
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35 cd ..
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36 hg init b
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37 cd b
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38 hg -R ../a export 0 | hg import -
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39 hg -R ../a export 1 | hg import -
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40 cd ..
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41 rm -rf b
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42 hg init b
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43 cd b
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44 hg -R ../a export 0 | hg import --exact -
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45 hg -R ../a export 1 | hg import --exact -