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largefiles: for update -C, only update largefiles when necessary...
largefiles: for update -C, only update largefiles when necessary Before, a --clean update with largefiles would use the "optimization" that it didn't read hashes from standin files before and after the update. Instead of trusting the content of the standin files, it would rehash all the actual largefiles that lfdirstate reported clean and update the standins that didn't have the expected content. It could thus in some "impossible" situations automatically recover from some "largefile got out sync with its standin" issues (even there apparently still were weird corner cases where it could fail). This extra checking is similar to what core --clean intentionally do not do, and it made update --clean unbearable slow. Usually in core Mercurial, --clean will rely on the dirstate to find the files it should update. (It is thus intentionally possible (when trying to trick the system or if there should be bugs) to end up in situations where --clean not will restore the working directory content correctly.) Checking every file when we "know" it is ok is however not an option - that would be too slow. Instead, trust the content of the standin files. Use the same logic for --clean as for linear updates and trust the dirstate and that our "logic" will keep them in sync. It is much cheaper to just rehash the largefiles reported dirty by a status walk and read all standins than to hash largefiles. Most of the changes are just a change of indentation now when the different kinds of updates no longer are handled that differently. Standins for added files are however only written when doing a normal update, while deleted and removed files only will be updated for --clean updates.
Augie Fackler - - Load All Authors

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test-walk.t
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$ hg init t
$ cd t
$ mkdir -p beans
$ for b in kidney navy turtle borlotti black pinto; do
> echo $b > beans/$b
> done
$ mkdir -p mammals/Procyonidae
$ for m in cacomistle coatimundi raccoon; do
> echo $m > mammals/Procyonidae/$m
> done
$ echo skunk > mammals/skunk
$ echo fennel > fennel
$ echo fenugreek > fenugreek
$ echo fiddlehead > fiddlehead
$ hg addremove
adding beans/black
adding beans/borlotti
adding beans/kidney
adding beans/navy
adding beans/pinto
adding beans/turtle
adding fennel
adding fenugreek
adding fiddlehead
adding mammals/Procyonidae/cacomistle
adding mammals/Procyonidae/coatimundi
adding mammals/Procyonidae/raccoon
adding mammals/skunk
$ hg commit -m "commit #0"
$ hg debugwalk
f beans/black beans/black
f beans/borlotti beans/borlotti
f beans/kidney beans/kidney
f beans/navy beans/navy
f beans/pinto beans/pinto
f beans/turtle beans/turtle
f fennel fennel
f fenugreek fenugreek
f fiddlehead fiddlehead
f mammals/Procyonidae/cacomistle mammals/Procyonidae/cacomistle
f mammals/Procyonidae/coatimundi mammals/Procyonidae/coatimundi
f mammals/Procyonidae/raccoon mammals/Procyonidae/raccoon
f mammals/skunk mammals/skunk
$ hg debugwalk -I.
f beans/black beans/black
f beans/borlotti beans/borlotti
f beans/kidney beans/kidney
f beans/navy beans/navy
f beans/pinto beans/pinto
f beans/turtle beans/turtle
f fennel fennel
f fenugreek fenugreek
f fiddlehead fiddlehead
f mammals/Procyonidae/cacomistle mammals/Procyonidae/cacomistle
f mammals/Procyonidae/coatimundi mammals/Procyonidae/coatimundi
f mammals/Procyonidae/raccoon mammals/Procyonidae/raccoon
f mammals/skunk mammals/skunk
$ cd mammals
$ hg debugwalk
f beans/black ../beans/black
f beans/borlotti ../beans/borlotti
f beans/kidney ../beans/kidney
f beans/navy ../beans/navy
f beans/pinto ../beans/pinto
f beans/turtle ../beans/turtle
f fennel ../fennel
f fenugreek ../fenugreek
f fiddlehead ../fiddlehead
f mammals/Procyonidae/cacomistle Procyonidae/cacomistle
f mammals/Procyonidae/coatimundi Procyonidae/coatimundi
f mammals/Procyonidae/raccoon Procyonidae/raccoon
f mammals/skunk skunk
$ hg debugwalk -X ../beans
f fennel ../fennel
f fenugreek ../fenugreek
f fiddlehead ../fiddlehead
f mammals/Procyonidae/cacomistle Procyonidae/cacomistle
f mammals/Procyonidae/coatimundi Procyonidae/coatimundi
f mammals/Procyonidae/raccoon Procyonidae/raccoon
f mammals/skunk skunk
$ hg debugwalk -I '*k'
f mammals/skunk skunk
$ hg debugwalk -I 'glob:*k'
f mammals/skunk skunk
$ hg debugwalk -I 'relglob:*k'
f beans/black ../beans/black
f fenugreek ../fenugreek
f mammals/skunk skunk
$ hg debugwalk -I 'relglob:*k' .
f mammals/skunk skunk
$ hg debugwalk -I 're:.*k$'
f beans/black ../beans/black
f fenugreek ../fenugreek
f mammals/skunk skunk
$ hg debugwalk -I 'relre:.*k$'
f beans/black ../beans/black
f fenugreek ../fenugreek
f mammals/skunk skunk
$ hg debugwalk -I 'path:beans'
f beans/black ../beans/black
f beans/borlotti ../beans/borlotti
f beans/kidney ../beans/kidney
f beans/navy ../beans/navy
f beans/pinto ../beans/pinto
f beans/turtle ../beans/turtle
$ hg debugwalk -I 'relpath:detour/../../beans'
f beans/black ../beans/black
f beans/borlotti ../beans/borlotti
f beans/kidney ../beans/kidney
f beans/navy ../beans/navy
f beans/pinto ../beans/pinto
f beans/turtle ../beans/turtle
$ hg debugwalk .
f mammals/Procyonidae/cacomistle Procyonidae/cacomistle
f mammals/Procyonidae/coatimundi Procyonidae/coatimundi
f mammals/Procyonidae/raccoon Procyonidae/raccoon
f mammals/skunk skunk
$ hg debugwalk -I.
f mammals/Procyonidae/cacomistle Procyonidae/cacomistle
f mammals/Procyonidae/coatimundi Procyonidae/coatimundi
f mammals/Procyonidae/raccoon Procyonidae/raccoon
f mammals/skunk skunk
$ hg debugwalk Procyonidae
f mammals/Procyonidae/cacomistle Procyonidae/cacomistle
f mammals/Procyonidae/coatimundi Procyonidae/coatimundi
f mammals/Procyonidae/raccoon Procyonidae/raccoon
$ cd Procyonidae
$ hg debugwalk .
f mammals/Procyonidae/cacomistle cacomistle
f mammals/Procyonidae/coatimundi coatimundi
f mammals/Procyonidae/raccoon raccoon
$ hg debugwalk ..
f mammals/Procyonidae/cacomistle cacomistle
f mammals/Procyonidae/coatimundi coatimundi
f mammals/Procyonidae/raccoon raccoon
f mammals/skunk ../skunk
$ cd ..
$ hg debugwalk ../beans
f beans/black ../beans/black
f beans/borlotti ../beans/borlotti
f beans/kidney ../beans/kidney
f beans/navy ../beans/navy
f beans/pinto ../beans/pinto
f beans/turtle ../beans/turtle
$ hg debugwalk .
f mammals/Procyonidae/cacomistle Procyonidae/cacomistle
f mammals/Procyonidae/coatimundi Procyonidae/coatimundi
f mammals/Procyonidae/raccoon Procyonidae/raccoon
f mammals/skunk skunk
$ hg debugwalk .hg
abort: path 'mammals/.hg' is inside nested repo 'mammals' (glob)
[255]
$ hg debugwalk ../.hg
abort: path contains illegal component: .hg
[255]
$ cd ..
$ hg debugwalk -Ibeans
f beans/black beans/black
f beans/borlotti beans/borlotti
f beans/kidney beans/kidney
f beans/navy beans/navy
f beans/pinto beans/pinto
f beans/turtle beans/turtle
$ hg debugwalk -I '{*,{b,m}*/*}k'
f beans/black beans/black
f fenugreek fenugreek
f mammals/skunk mammals/skunk
$ hg debugwalk 'glob:mammals/../beans/b*'
f beans/black beans/black
f beans/borlotti beans/borlotti
$ hg debugwalk '-X*/Procyonidae' mammals
f mammals/skunk mammals/skunk
$ hg debugwalk path:mammals
f mammals/Procyonidae/cacomistle mammals/Procyonidae/cacomistle
f mammals/Procyonidae/coatimundi mammals/Procyonidae/coatimundi
f mammals/Procyonidae/raccoon mammals/Procyonidae/raccoon
f mammals/skunk mammals/skunk
$ hg debugwalk ..
abort: .. not under root '$TESTTMP/t' (glob)
[255]
$ hg debugwalk beans/../..
abort: beans/../.. not under root '$TESTTMP/t' (glob)
[255]
$ hg debugwalk .hg
abort: path contains illegal component: .hg
[255]
$ hg debugwalk beans/../.hg
abort: path contains illegal component: .hg
[255]
$ hg debugwalk beans/../.hg/data
abort: path contains illegal component: .hg/data (glob)
[255]
$ hg debugwalk beans/.hg
abort: path 'beans/.hg' is inside nested repo 'beans' (glob)
[255]
Test absolute paths:
$ hg debugwalk `pwd`/beans
f beans/black beans/black
f beans/borlotti beans/borlotti
f beans/kidney beans/kidney
f beans/navy beans/navy
f beans/pinto beans/pinto
f beans/turtle beans/turtle
$ hg debugwalk `pwd`/..
abort: $TESTTMP/t/.. not under root '$TESTTMP/t' (glob)
[255]
Test patterns:
$ hg debugwalk glob:\*
f fennel fennel
f fenugreek fenugreek
f fiddlehead fiddlehead
#if eol-in-paths
$ echo glob:glob > glob:glob
$ hg addremove
adding glob:glob
warning: filename contains ':', which is reserved on Windows: 'glob:glob'
$ hg debugwalk glob:\*
f fennel fennel
f fenugreek fenugreek
f fiddlehead fiddlehead
f glob:glob glob:glob
$ hg debugwalk glob:glob
glob: No such file or directory
$ hg debugwalk glob:glob:glob
f glob:glob glob:glob exact
$ hg debugwalk path:glob:glob
f glob:glob glob:glob exact
$ rm glob:glob
$ hg addremove
removing glob:glob
#endif
$ hg debugwalk 'glob:**e'
f beans/turtle beans/turtle
f mammals/Procyonidae/cacomistle mammals/Procyonidae/cacomistle
$ hg debugwalk 're:.*[kb]$'
f beans/black beans/black
f fenugreek fenugreek
f mammals/skunk mammals/skunk
$ hg debugwalk path:beans/black
f beans/black beans/black exact
$ hg debugwalk path:beans//black
f beans/black beans/black exact
$ hg debugwalk relglob:Procyonidae
$ hg debugwalk 'relglob:Procyonidae/**'
f mammals/Procyonidae/cacomistle mammals/Procyonidae/cacomistle
f mammals/Procyonidae/coatimundi mammals/Procyonidae/coatimundi
f mammals/Procyonidae/raccoon mammals/Procyonidae/raccoon
$ hg debugwalk 'relglob:Procyonidae/**' fennel
f fennel fennel exact
f mammals/Procyonidae/cacomistle mammals/Procyonidae/cacomistle
f mammals/Procyonidae/coatimundi mammals/Procyonidae/coatimundi
f mammals/Procyonidae/raccoon mammals/Procyonidae/raccoon
$ hg debugwalk beans 'glob:beans/*'
f beans/black beans/black
f beans/borlotti beans/borlotti
f beans/kidney beans/kidney
f beans/navy beans/navy
f beans/pinto beans/pinto
f beans/turtle beans/turtle
$ hg debugwalk 'glob:mamm**'
f mammals/Procyonidae/cacomistle mammals/Procyonidae/cacomistle
f mammals/Procyonidae/coatimundi mammals/Procyonidae/coatimundi
f mammals/Procyonidae/raccoon mammals/Procyonidae/raccoon
f mammals/skunk mammals/skunk
$ hg debugwalk 'glob:mamm**' fennel
f fennel fennel exact
f mammals/Procyonidae/cacomistle mammals/Procyonidae/cacomistle
f mammals/Procyonidae/coatimundi mammals/Procyonidae/coatimundi
f mammals/Procyonidae/raccoon mammals/Procyonidae/raccoon
f mammals/skunk mammals/skunk
$ hg debugwalk 'glob:j*'
$ hg debugwalk NOEXIST
NOEXIST: * (glob)
#if fifo
$ mkfifo fifo
$ hg debugwalk fifo
fifo: unsupported file type (type is fifo)
#endif
$ rm fenugreek
$ hg debugwalk fenugreek
f fenugreek fenugreek exact
$ hg rm fenugreek
$ hg debugwalk fenugreek
f fenugreek fenugreek exact
$ touch new
$ hg debugwalk new
f new new exact
$ mkdir ignored
$ touch ignored/file
$ echo '^ignored$' > .hgignore
$ hg debugwalk ignored
$ hg debugwalk ignored/file
f ignored/file ignored/file exact
Test listfile and listfile0
$ $PYTHON -c "file('listfile0', 'wb').write('fenugreek\0new\0')"
$ hg debugwalk -I 'listfile0:listfile0'
f fenugreek fenugreek
f new new
$ $PYTHON -c "file('listfile', 'wb').write('fenugreek\nnew\r\nmammals/skunk\n')"
$ hg debugwalk -I 'listfile:listfile'
f fenugreek fenugreek
f mammals/skunk mammals/skunk
f new new
$ cd ..
$ hg debugwalk -R t t/mammals/skunk
f mammals/skunk t/mammals/skunk exact
$ mkdir t2
$ cd t2
$ hg debugwalk -R ../t ../t/mammals/skunk
f mammals/skunk ../t/mammals/skunk exact
$ hg debugwalk --cwd ../t mammals/skunk
f mammals/skunk mammals/skunk exact
$ cd ..
Test split patterns on overflow
$ cd t
$ echo fennel > overflow.list
$ $PYTHON -c "for i in xrange(20000 / 100): print 'x' * 100" >> overflow.list
$ echo fenugreek >> overflow.list
$ hg debugwalk 'listfile:overflow.list' 2>&1 | grep -v '^xxx'
f fennel fennel exact
f fenugreek fenugreek exact
$ cd ..