Mercurial > hg-stable
annotate contrib/fixpax.py @ 27072:e18a9ceade3b
perf: support obtaining contexts from perfrevset
Previously, perfrevset called repo.revs(), which only returns integer
revisions. Many revset consumers call repo.set(), which returns
changectx instances. Or they obtain a context manually later.
Since obtaining changectx instances when evaluating revsets is common,
this patch adds support for benchmarking this use case.
While we added an if conditional for every benchmark loop, it
doesn't appear to matter since revset evaluation dwarfs the cost
of a single if.
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Sat, 21 Nov 2015 15:39:18 -0800 |
parents | d0ef40776999 |
children | 58eb1c5bba58 |
rev | line source |
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1 # fixpax - fix ownership in bdist_mpkg output |
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2 # |
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3 # Copyright 2015 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
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6 # MIT license (http://opensource.org/licenses/MIT) |
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7 |
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8 """Set file ownership to 0 in an Archive.pax.gz. |
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9 Suitable for fixing files bdist_mpkg output: |
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10 *.mpkg/Contents/Packages/*.pkg/Contents/Archive.pax.gz |
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11 """ |
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12 |
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13 import sys, os, gzip |
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14 |
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15 def fixpax(iname, oname): |
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16 i = gzip.GzipFile(iname) |
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17 o = gzip.GzipFile(oname, "w") |
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18 |
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19 while True: |
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20 magic = i.read(6) |
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21 dev = i.read(6) |
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22 ino = i.read(6) |
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23 mode = i.read(6) |
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24 i.read(6) # uid |
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25 i.read(6) # gid |
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26 nlink = i.read(6) |
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27 rdev = i.read(6) |
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28 mtime = i.read(11) |
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29 namesize = i.read(6) |
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30 filesize = i.read(11) |
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31 name = i.read(int(namesize, 8)) |
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32 data = i.read(int(filesize, 8)) |
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33 |
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34 o.write(magic) |
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35 o.write(dev) |
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36 o.write(ino) |
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37 o.write(mode) |
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38 o.write("000000") |
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39 o.write("000000") |
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40 o.write(nlink) |
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41 o.write(rdev) |
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42 o.write(mtime) |
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43 o.write(namesize) |
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44 o.write(filesize) |
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45 o.write(name) |
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46 o.write(data) |
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47 |
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48 if name.startswith("TRAILER!!!"): |
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49 o.write(i.read()) |
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50 break |
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51 |
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52 o.close() |
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53 i.close() |
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54 |
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55 if __name__ == '__main__': |
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56 for iname in sys.argv[1:]: |
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57 print 'fixing file ownership in %s' % iname |
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58 oname = sys.argv[1] + '.tmp' |
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59 fixpax(iname, oname) |
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60 os.rename(oname, iname) |