Mercurial > hg
annotate tests/test-merge-symlinks.t @ 16363:2cdd7e63211b
parsers: incrementally parse the revlog index in C
We only parse entries in a revlog index file when they are actually
needed, and cache them when first requested.
This makes a huge difference to performance on large revlogs when
accessing the tip revision or performing a handful of numeric lookups
(very common cases). For instance, "hg --time tip --template {node}"
on a tree with 300,000 revs takes 0.15 before, 0.02 after.
Even for revlog-intensive operations (e.g. running "hg log" to
completion), the lazy approach is about 1% faster than the eager
parse_index2.
author | Bryan O'Sullivan <bryano@fb.com> |
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date | Thu, 05 Apr 2012 13:00:35 -0700 |
parents | e0348815e806 |
children | 91dc9587862e |
rev | line source |
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1 $ "$TESTDIR/hghave" symlink || exit 80 |
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2 |
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3 $ cat > echo.py <<EOF |
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4 > #!/usr/bin/env python |
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5 > import os, sys |
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6 > try: |
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7 > import msvcrt |
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8 > msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY) |
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9 > msvcrt.setmode(sys.stderr.fileno(), os.O_BINARY) |
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10 > except ImportError: |
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11 > pass |
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12 > |
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13 > for k in ('HG_FILE', 'HG_MY_ISLINK', 'HG_OTHER_ISLINK', 'HG_BASE_ISLINK'): |
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14 > print k, os.environ[k] |
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15 > EOF |
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16 |
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17 Create 2 heads containing the same file, once as |
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18 a file, once as a link. Bundle was generated with: |
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19 |
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20 # hg init t |
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21 # cd t |
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22 # echo a > a |
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23 # hg ci -qAm t0 -d '0 0' |
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24 # echo l > l |
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25 # hg ci -qAm t1 -d '1 0' |
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26 # hg up -C 0 |
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27 # ln -s a l |
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28 # hg ci -qAm t2 -d '2 0' |
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29 # echo l2 > l2 |
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30 # hg ci -qAm t3 -d '3 0' |
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31 |
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32 $ hg init t |
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33 $ cd t |
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34 $ hg -q pull "$TESTDIR/bundles/test-merge-symlinks.hg" |
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35 $ hg up -C 3 |
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36 3 files updated, 0 files merged, 0 files removed, 0 files unresolved |
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37 |
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38 Merge them and display *_ISLINK vars |
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39 merge heads |
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40 |
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41 $ hg merge --tool="python ../echo.py" |
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42 merging l |
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43 HG_FILE l |
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44 HG_MY_ISLINK 1 |
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45 HG_OTHER_ISLINK 0 |
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46 HG_BASE_ISLINK 0 |
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47 0 files updated, 1 files merged, 0 files removed, 0 files unresolved |
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48 (branch merge, don't forget to commit) |
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49 |
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50 Test working directory symlink bit calculation wrt copies, |
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51 especially on non-supporting systems. |
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52 merge working directory |
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53 |
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54 $ hg up -C 2 |
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55 1 files updated, 0 files merged, 1 files removed, 0 files unresolved |
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56 $ hg copy l l2 |
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57 $ HGMERGE="python ../echo.py" hg up 3 |
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58 merging l2 |
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59 HG_FILE l2 |
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60 HG_MY_ISLINK 1 |
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61 HG_OTHER_ISLINK 0 |
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62 HG_BASE_ISLINK 0 |
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63 0 files updated, 1 files merged, 0 files removed, 0 files unresolved |