wireproto: define permissions-based routing of HTTPv2 wire protocol
Now that we have a scaffolding for serving version 2 of the HTTP
protocol, let's start implementing it.
A good place to start is URL routing and basic request processing
semantics. We can focus on content types, capabilities detect, etc
later.
Version 2 of the HTTP wire protocol encodes the needed permissions
of the request in the URL path. The reasons for this are documented
in the added documentation. In short, a) it makes it really easy and
fail proof for server administrators to implement path-based
authentication and b) it will enable clients to realize very early in
a server exchange that authentication will be required to complete
the operation. This latter point avoids all kinds of complexity and
problems, like dealing with Expect: 100-continue and clients finding
out later during `hg push` that they need to provide authentication.
This will avoid the current badness where clients send a full bundle,
get an HTTP 403, provide authentication, then retransmit the bundle.
In order to implement command checking, we needed to implement a
protocol handler for the new wire protocol. Our handler is just
small enough to run the code we've implemented.
Tests for the defined functionality have been added.
I very much want to refactor the permissions checking code and define
a better response format. But this can be done later. Nothing is
covered by backwards compatibility at this point.
Differential Revision: https://phab.mercurial-scm.org/D2836
$ 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
matcher: <alwaysmatcher>
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.
matcher: <includematcher includes='(?:)'>
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
matcher: <alwaysmatcher>
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
matcher: <differencematcher m1=<alwaysmatcher>, m2=<includematcher includes='(?: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'
matcher: <includematcher includes='(?:mammals\\/[^/]*k(?:/|$))'>
f mammals/skunk skunk
$ hg debugwalk -I 'glob:*k'
matcher: <includematcher includes='(?:mammals\\/[^/]*k(?:/|$))'>
f mammals/skunk skunk
$ hg debugwalk -I 'relglob:*k'
matcher: <includematcher includes='(?:(?:|.*/)[^/]*k(?:/|$))'>
f beans/black ../beans/black
f fenugreek ../fenugreek
f mammals/skunk skunk
$ hg debugwalk -I 'relglob:*k' .
matcher: <intersectionmatcher m1=<patternmatcher patterns='(?:mammals(?:/|$))'>, m2=<includematcher includes='(?:(?:|.*/)[^/]*k(?:/|$))'>>
f mammals/skunk skunk
$ hg debugwalk -I 're:.*k$'
matcher: <includematcher includes='(?:.*k$)'>
f beans/black ../beans/black
f fenugreek ../fenugreek
f mammals/skunk skunk
$ hg debugwalk -I 'relre:.*k$'
matcher: <includematcher includes='(?:.*.*k$)'>
f beans/black ../beans/black
f fenugreek ../fenugreek
f mammals/skunk skunk
$ hg debugwalk -I 'path:beans'
matcher: <includematcher includes='(?: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'
matcher: <includematcher includes='(?: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 'rootfilesin:'
matcher: <patternmatcher patterns='(?:[^/]+$)'>
f fennel ../fennel
f fenugreek ../fenugreek
f fiddlehead ../fiddlehead
$ hg debugwalk -I 'rootfilesin:'
matcher: <includematcher includes='(?:[^/]+$)'>
f fennel ../fennel
f fenugreek ../fenugreek
f fiddlehead ../fiddlehead
$ hg debugwalk 'rootfilesin:.'
matcher: <patternmatcher patterns='(?:[^/]+$)'>
f fennel ../fennel
f fenugreek ../fenugreek
f fiddlehead ../fiddlehead
$ hg debugwalk -I 'rootfilesin:.'
matcher: <includematcher includes='(?:[^/]+$)'>
f fennel ../fennel
f fenugreek ../fenugreek
f fiddlehead ../fiddlehead
$ hg debugwalk -X 'rootfilesin:'
matcher: <differencematcher m1=<alwaysmatcher>, m2=<includematcher includes='(?:[^/]+$)'>>
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 mammals/Procyonidae/cacomistle Procyonidae/cacomistle
f mammals/Procyonidae/coatimundi Procyonidae/coatimundi
f mammals/Procyonidae/raccoon Procyonidae/raccoon
f mammals/skunk skunk
$ hg debugwalk 'rootfilesin:fennel'
matcher: <patternmatcher patterns='(?:fennel/[^/]+$)'>
$ hg debugwalk -I 'rootfilesin:fennel'
matcher: <includematcher includes='(?:fennel/[^/]+$)'>
$ hg debugwalk 'rootfilesin:skunk'
matcher: <patternmatcher patterns='(?:skunk/[^/]+$)'>
$ hg debugwalk -I 'rootfilesin:skunk'
matcher: <includematcher includes='(?:skunk/[^/]+$)'>
$ hg debugwalk 'rootfilesin:beans'
matcher: <patternmatcher patterns='(?: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 'rootfilesin:beans'
matcher: <includematcher includes='(?: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 'rootfilesin:mammals'
matcher: <patternmatcher patterns='(?:mammals/[^/]+$)'>
f mammals/skunk skunk
$ hg debugwalk -I 'rootfilesin:mammals'
matcher: <includematcher includes='(?:mammals/[^/]+$)'>
f mammals/skunk skunk
$ hg debugwalk 'rootfilesin:mammals/'
matcher: <patternmatcher patterns='(?:mammals/[^/]+$)'>
f mammals/skunk skunk
$ hg debugwalk -I 'rootfilesin:mammals/'
matcher: <includematcher includes='(?:mammals/[^/]+$)'>
f mammals/skunk skunk
$ hg debugwalk -X 'rootfilesin:mammals'
matcher: <differencematcher m1=<alwaysmatcher>, m2=<includematcher includes='(?:mammals/[^/]+$)'>>
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
$ hg debugwalk .
matcher: <patternmatcher patterns='(?:mammals(?:/|$))'>
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.
matcher: <includematcher includes='(?:mammals(?:/|$))'>
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
matcher: <patternmatcher patterns='(?:mammals\\/Procyonidae(?:/|$))'>
f mammals/Procyonidae/cacomistle Procyonidae/cacomistle
f mammals/Procyonidae/coatimundi Procyonidae/coatimundi
f mammals/Procyonidae/raccoon Procyonidae/raccoon
$ cd Procyonidae
$ hg debugwalk .
matcher: <patternmatcher patterns='(?:mammals\\/Procyonidae(?:/|$))'>
f mammals/Procyonidae/cacomistle cacomistle
f mammals/Procyonidae/coatimundi coatimundi
f mammals/Procyonidae/raccoon raccoon
$ hg debugwalk ..
matcher: <patternmatcher patterns='(?:mammals(?:/|$))'>
f mammals/Procyonidae/cacomistle cacomistle
f mammals/Procyonidae/coatimundi coatimundi
f mammals/Procyonidae/raccoon raccoon
f mammals/skunk ../skunk
$ cd ..
$ hg debugwalk ../beans
matcher: <patternmatcher patterns='(?: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 .
matcher: <patternmatcher patterns='(?:mammals(?:/|$))'>
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'
[255]
$ hg debugwalk ../.hg
abort: path contains illegal component: .hg
[255]
$ cd ..
$ hg debugwalk -Ibeans
matcher: <includematcher includes='(?: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 '{*,{b,m}*/*}k'
matcher: <includematcher includes='(?:(?:[^/]*|(?:b|m)[^/]*\\/[^/]*)k(?:/|$))'>
f beans/black beans/black
f fenugreek fenugreek
f mammals/skunk mammals/skunk
$ hg debugwalk -Ibeans mammals
matcher: <intersectionmatcher m1=<patternmatcher patterns='(?:mammals(?:/|$))'>, m2=<includematcher includes='(?:beans(?:/|$))'>>
$ hg debugwalk -Inon-existent
matcher: <includematcher includes='(?:non\\-existent(?:/|$))'>
$ hg debugwalk -Inon-existent -Ibeans/black
matcher: <includematcher includes='(?:non\\-existent(?:/|$)|beans\\/black(?:/|$))'>
f beans/black beans/black
$ hg debugwalk -Ibeans beans/black
matcher: <intersectionmatcher m1=<patternmatcher patterns='(?:beans\\/black(?:/|$))'>, m2=<includematcher includes='(?:beans(?:/|$))'>>
f beans/black beans/black exact
$ hg debugwalk -Ibeans/black beans
matcher: <intersectionmatcher m1=<patternmatcher patterns='(?:beans(?:/|$))'>, m2=<includematcher includes='(?:beans\\/black(?:/|$))'>>
f beans/black beans/black
$ hg debugwalk -Xbeans/black beans
matcher: <differencematcher m1=<patternmatcher patterns='(?:beans(?:/|$))'>, m2=<includematcher includes='(?:beans\\/black(?:/|$))'>>
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 -Xbeans/black -Ibeans
matcher: <differencematcher m1=<includematcher includes='(?:beans(?:/|$))'>, m2=<includematcher includes='(?:beans\\/black(?:/|$))'>>
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 -Xbeans/black beans/black
matcher: <differencematcher m1=<patternmatcher patterns='(?:beans\\/black(?:/|$))'>, m2=<includematcher includes='(?:beans\\/black(?:/|$))'>>
$ hg debugwalk -Xbeans/black -Ibeans/black
matcher: <differencematcher m1=<includematcher includes='(?:beans\\/black(?:/|$))'>, m2=<includematcher includes='(?:beans\\/black(?:/|$))'>>
$ hg debugwalk -Xbeans beans/black
matcher: <differencematcher m1=<patternmatcher patterns='(?:beans\\/black(?:/|$))'>, m2=<includematcher includes='(?:beans(?:/|$))'>>
$ hg debugwalk -Xbeans -Ibeans/black
matcher: <differencematcher m1=<includematcher includes='(?:beans\\/black(?:/|$))'>, m2=<includematcher includes='(?:beans(?:/|$))'>>
$ hg debugwalk 'glob:mammals/../beans/b*'
matcher: <patternmatcher patterns='(?:beans\\/b[^/]*$)'>
f beans/black beans/black
f beans/borlotti beans/borlotti
$ hg debugwalk '-X*/Procyonidae' mammals
matcher: <differencematcher m1=<patternmatcher patterns='(?:mammals(?:/|$))'>, m2=<includematcher includes='(?:[^/]*\\/Procyonidae(?:/|$))'>>
f mammals/skunk mammals/skunk
$ hg debugwalk path:mammals
matcher: <patternmatcher patterns='(?: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'
[255]
$ hg debugwalk beans/../..
abort: beans/../.. not under root '$TESTTMP/t'
[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
[255]
$ hg debugwalk beans/.hg
abort: path 'beans/.hg' is inside nested repo 'beans'
[255]
Test explicit paths and excludes:
$ hg debugwalk fennel -X fennel
matcher: <differencematcher m1=<patternmatcher patterns='(?:fennel(?:/|$))'>, m2=<includematcher includes='(?:fennel(?:/|$))'>>
$ hg debugwalk fennel -X 'f*'
matcher: <differencematcher m1=<patternmatcher patterns='(?:fennel(?:/|$))'>, m2=<includematcher includes='(?:f[^/]*(?:/|$))'>>
$ hg debugwalk beans/black -X 'path:beans'
matcher: <differencematcher m1=<patternmatcher patterns='(?:beans\\/black(?:/|$))'>, m2=<includematcher includes='(?:beans(?:/|$))'>>
$ hg debugwalk -I 'path:beans/black' -X 'path:beans'
matcher: <differencematcher m1=<includematcher includes='(?:beans\\/black(?:/|$))'>, m2=<includematcher includes='(?:beans(?:/|$))'>>
Test absolute paths:
$ hg debugwalk `pwd`/beans
matcher: <patternmatcher patterns='(?: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'
[255]
Test patterns:
$ hg debugwalk glob:\*
matcher: <patternmatcher patterns='(?:[^/]*$)'>
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:\*
matcher: <patternmatcher patterns='(?:[^/]*$)'>
f fennel fennel
f fenugreek fenugreek
f fiddlehead fiddlehead
f glob:glob glob:glob
$ hg debugwalk glob:glob
matcher: <patternmatcher patterns='(?:glob$)'>
glob: $ENOENT$
$ hg debugwalk glob:glob:glob
matcher: <patternmatcher patterns='(?:glob\\:glob$)'>
f glob:glob glob:glob exact
$ hg debugwalk path:glob:glob
matcher: <patternmatcher patterns='(?:glob\\:glob(?:/|$))'>
f glob:glob glob:glob exact
$ rm glob:glob
$ hg addremove
removing glob:glob
#endif
$ hg debugwalk 'glob:**e'
matcher: <patternmatcher patterns='(?:.*e$)'>
f beans/turtle beans/turtle
f mammals/Procyonidae/cacomistle mammals/Procyonidae/cacomistle
$ hg debugwalk 're:.*[kb]$'
matcher: <patternmatcher patterns='(?:.*[kb]$)'>
f beans/black beans/black
f fenugreek fenugreek
f mammals/skunk mammals/skunk
$ hg debugwalk path:beans/black
matcher: <patternmatcher patterns='(?:beans\\/black(?:/|$))'>
f beans/black beans/black exact
$ hg debugwalk path:beans//black
matcher: <patternmatcher patterns='(?:beans\\/black(?:/|$))'>
f beans/black beans/black exact
$ hg debugwalk relglob:Procyonidae
matcher: <patternmatcher patterns='(?:(?:|.*/)Procyonidae$)'>
$ hg debugwalk 'relglob:Procyonidae/**'
matcher: <patternmatcher patterns='(?:(?:|.*/)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
matcher: <patternmatcher patterns='(?:(?:|.*/)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/*'
matcher: <patternmatcher patterns='(?:beans(?:/|$)|beans\\/[^/]*$)'>
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**'
matcher: <patternmatcher patterns='(?: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
matcher: <patternmatcher patterns='(?: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*'
matcher: <patternmatcher patterns='(?:j[^/]*$)'>
$ hg debugwalk NOEXIST
matcher: <patternmatcher patterns='(?:NOEXIST(?:/|$))'>
NOEXIST: * (glob)
#if fifo
$ mkfifo fifo
$ hg debugwalk fifo
matcher: <patternmatcher patterns='(?:fifo(?:/|$))'>
fifo: unsupported file type (type is fifo)
#endif
$ rm fenugreek
$ hg debugwalk fenugreek
matcher: <patternmatcher patterns='(?:fenugreek(?:/|$))'>
f fenugreek fenugreek exact
$ hg rm fenugreek
$ hg debugwalk fenugreek
matcher: <patternmatcher patterns='(?:fenugreek(?:/|$))'>
f fenugreek fenugreek exact
$ touch new
$ hg debugwalk new
matcher: <patternmatcher patterns='(?:new(?:/|$))'>
f new new exact
$ mkdir ignored
$ touch ignored/file
$ echo '^ignored$' > .hgignore
$ hg debugwalk ignored
matcher: <patternmatcher patterns='(?:ignored(?:/|$))'>
$ hg debugwalk ignored/file
matcher: <patternmatcher patterns='(?:ignored\\/file(?:/|$))'>
f ignored/file ignored/file exact
Test listfile and listfile0
$ $PYTHON -c "open('listfile0', 'wb').write(b'fenugreek\0new\0')"
$ hg debugwalk -I 'listfile0:listfile0'
matcher: <includematcher includes='(?:fenugreek(?:/|$)|new(?:/|$))'>
f fenugreek fenugreek
f new new
$ $PYTHON -c "open('listfile', 'wb').write(b'fenugreek\nnew\r\nmammals/skunk\n')"
$ hg debugwalk -I 'listfile:listfile'
matcher: <includematcher includes='(?:fenugreek(?:/|$)|new(?:/|$)|mammals\\/skunk(?:/|$))'>
f fenugreek fenugreek
f mammals/skunk mammals/skunk
f new new
$ cd ..
$ hg debugwalk -R t t/mammals/skunk
matcher: <patternmatcher patterns='(?:mammals\\/skunk(?:/|$))'>
f mammals/skunk t/mammals/skunk exact
$ mkdir t2
$ cd t2
$ hg debugwalk -R ../t ../t/mammals/skunk
matcher: <patternmatcher patterns='(?:mammals\\/skunk(?:/|$))'>
f mammals/skunk ../t/mammals/skunk exact
$ hg debugwalk --cwd ../t mammals/skunk
matcher: <patternmatcher patterns='(?: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 range(20000 / 100): print 'x' * 100" >> overflow.list
$ echo fenugreek >> overflow.list
$ hg debugwalk 'listfile:overflow.list' 2>&1 | egrep -v '(^matcher: |^xxx)'
f fennel fennel exact
f fenugreek fenugreek exact
$ cd ..