dirstate-item: use `any_tracked` more
This simplify more code.
$ 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 -v
* 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 -v -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 -v
* 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 -v -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 -v -I '*k'
* matcher:
<includematcher includes='mammals/[^/]*k(?:/|$)'>
f mammals/skunk skunk
$ hg debugwalk -v -I 'glob:*k'
* matcher:
<includematcher includes='mammals/[^/]*k(?:/|$)'>
f mammals/skunk skunk
$ hg debugwalk -v -I 'relglob:*k'
* matcher:
<includematcher includes='.*k(?:/|$)'>
f beans/black ../beans/black
f fenugreek ../fenugreek
f mammals/skunk skunk
$ hg debugwalk -v -I 'relglob:*k' .
* matcher:
<intersectionmatcher
m1=<patternmatcher patterns='mammals(?:/|$)'>,
m2=<includematcher includes='.*k(?:/|$)'>>
f mammals/skunk skunk
$ hg debugwalk -v -I 're:.*k$'
* matcher:
<includematcher includes='.*k$'>
f beans/black ../beans/black
f fenugreek ../fenugreek
f mammals/skunk skunk
$ hg debugwalk -v -I 'relre:.*k$'
* matcher:
<includematcher includes='.*.*k$'>
f beans/black ../beans/black
f fenugreek ../fenugreek
f mammals/skunk skunk
$ hg debugwalk -v -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 -v -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 -v 'rootfilesin:'
* matcher:
<patternmatcher patterns="rootfilesin: ['.']">
f fennel ../fennel
f fenugreek ../fenugreek
f fiddlehead ../fiddlehead
$ hg debugwalk -v -I 'rootfilesin:'
* matcher:
<includematcher includes="rootfilesin: ['.']">
f fennel ../fennel
f fenugreek ../fenugreek
f fiddlehead ../fiddlehead
$ hg debugwalk -v 'rootfilesin:.'
* matcher:
<patternmatcher patterns="rootfilesin: ['.']">
f fennel ../fennel
f fenugreek ../fenugreek
f fiddlehead ../fiddlehead
$ hg debugwalk -v -I 'rootfilesin:.'
* matcher:
<includematcher includes="rootfilesin: ['.']">
f fennel ../fennel
f fenugreek ../fenugreek
f fiddlehead ../fiddlehead
$ hg debugwalk -v -X 'rootfilesin:'
* matcher:
<differencematcher
m1=<alwaysmatcher>,
m2=<includematcher includes="rootfilesin: ['.']">>
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 -v 'rootfilesin:fennel'
* matcher:
<patternmatcher patterns="rootfilesin: ['fennel']">
$ hg debugwalk -v -I 'rootfilesin:fennel'
* matcher:
<includematcher includes="rootfilesin: ['fennel']">
$ hg debugwalk -v 'rootfilesin:skunk'
* matcher:
<patternmatcher patterns="rootfilesin: ['skunk']">
$ hg debugwalk -v -I 'rootfilesin:skunk'
* matcher:
<includematcher includes="rootfilesin: ['skunk']">
$ hg debugwalk -v 'rootfilesin:beans'
* matcher:
<patternmatcher patterns="rootfilesin: ['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 -v -I 'rootfilesin:beans'
* matcher:
<includematcher includes="rootfilesin: ['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 -v 'rootfilesin:mammals'
* matcher:
<patternmatcher patterns="rootfilesin: ['mammals']">
f mammals/skunk skunk
$ hg debugwalk -v -I 'rootfilesin:mammals'
* matcher:
<includematcher includes="rootfilesin: ['mammals']">
f mammals/skunk skunk
$ hg debugwalk -v 'rootfilesin:mammals/'
* matcher:
<patternmatcher patterns="rootfilesin: ['mammals']">
f mammals/skunk skunk
$ hg debugwalk -v -I 'rootfilesin:mammals/'
* matcher:
<includematcher includes="rootfilesin: ['mammals']">
f mammals/skunk skunk
$ hg debugwalk -v -X 'rootfilesin:mammals'
* matcher:
<differencematcher
m1=<alwaysmatcher>,
m2=<includematcher includes="rootfilesin: ['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 -v .
* 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 -v -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 -v 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 -v .
* matcher:
<patternmatcher patterns='mammals/Procyonidae(?:/|$)'>
f mammals/Procyonidae/cacomistle cacomistle
f mammals/Procyonidae/coatimundi coatimundi
f mammals/Procyonidae/raccoon raccoon
$ hg debugwalk -v ..
* 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 -v ../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 -v .
* 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 -v .hg
abort: path 'mammals/.hg' is inside nested repo 'mammals'
[255]
$ hg debugwalk -v ../.hg
abort: path contains illegal component: .hg
[255]
$ cd ..
$ hg debugwalk -v -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 -v -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 -v -Ibeans mammals
* matcher:
<intersectionmatcher
m1=<patternmatcher patterns='mammals(?:/|$)'>,
m2=<includematcher includes='beans(?:/|$)'>>
$ hg debugwalk -v -Inon-existent
* matcher:
<includematcher includes='non\\-existent(?:/|$)'>
$ hg debugwalk -v -Inon-existent -Ibeans/black
* matcher:
<includematcher includes='non\\-existent(?:/|$)|beans/black(?:/|$)'>
f beans/black beans/black
$ hg debugwalk -v -Ibeans beans/black
* matcher:
<intersectionmatcher
m1=<patternmatcher patterns='beans/black(?:/|$)'>,
m2=<includematcher includes='beans(?:/|$)'>>
f beans/black beans/black exact
$ hg debugwalk -v -Ibeans/black beans
* matcher:
<intersectionmatcher
m1=<patternmatcher patterns='beans(?:/|$)'>,
m2=<includematcher includes='beans/black(?:/|$)'>>
f beans/black beans/black
$ hg debugwalk -v -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 -v -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 -v -Xbeans/black beans/black
* matcher:
<differencematcher
m1=<patternmatcher patterns='beans/black(?:/|$)'>,
m2=<includematcher includes='beans/black(?:/|$)'>>
$ hg debugwalk -v -Xbeans/black -Ibeans/black
* matcher:
<differencematcher
m1=<includematcher includes='beans/black(?:/|$)'>,
m2=<includematcher includes='beans/black(?:/|$)'>>
$ hg debugwalk -v -Xbeans beans/black
* matcher:
<differencematcher
m1=<patternmatcher patterns='beans/black(?:/|$)'>,
m2=<includematcher includes='beans(?:/|$)'>>
$ hg debugwalk -v -Xbeans -Ibeans/black
* matcher:
<differencematcher
m1=<includematcher includes='beans/black(?:/|$)'>,
m2=<includematcher includes='beans(?:/|$)'>>
$ hg debugwalk -v 'glob:mammals/../beans/b*'
* matcher:
<patternmatcher patterns='beans/b[^/]*$'>
f beans/black beans/black
f beans/borlotti beans/borlotti
$ hg debugwalk -v '-X*/Procyonidae' mammals
* matcher:
<differencematcher
m1=<patternmatcher patterns='mammals(?:/|$)'>,
m2=<includematcher includes='[^/]*/Procyonidae(?:/|$)'>>
f mammals/skunk mammals/skunk
$ hg debugwalk -v 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 -v ..
abort: .. not under root '$TESTTMP/t'
[255]
$ hg debugwalk -v beans/../..
abort: beans/../.. not under root '$TESTTMP/t'
[255]
$ hg debugwalk -v .hg
abort: path contains illegal component: .hg
[255]
$ hg debugwalk -v beans/../.hg
abort: path contains illegal component: .hg
[255]
$ hg debugwalk -v beans/../.hg/data
abort: path contains illegal component: .hg/data
[255]
$ hg debugwalk -v beans/.hg
abort: path 'beans/.hg' is inside nested repo 'beans'
[255]
Test explicit paths and excludes:
$ hg debugwalk -v fennel -X fennel
* matcher:
<differencematcher
m1=<patternmatcher patterns='fennel(?:/|$)'>,
m2=<includematcher includes='fennel(?:/|$)'>>
$ hg debugwalk -v fennel -X 'f*'
* matcher:
<differencematcher
m1=<patternmatcher patterns='fennel(?:/|$)'>,
m2=<includematcher includes='f[^/]*(?:/|$)'>>
$ hg debugwalk -v beans/black -X 'path:beans'
* matcher:
<differencematcher
m1=<patternmatcher patterns='beans/black(?:/|$)'>,
m2=<includematcher includes='beans(?:/|$)'>>
$ hg debugwalk -v -I 'path:beans/black' -X 'path:beans'
* matcher:
<differencematcher
m1=<includematcher includes='beans/black(?:/|$)'>,
m2=<includematcher includes='beans(?:/|$)'>>
Test absolute paths:
$ hg debugwalk -v `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 -v `pwd`/..
abort: $TESTTMP/t/.. not under root '$TESTTMP/t'
[255]
Test patterns:
$ hg debugwalk -v 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 -v glob:\*
* matcher:
<patternmatcher patterns='[^/]*$'>
f fennel fennel
f fenugreek fenugreek
f fiddlehead fiddlehead
f glob:glob glob:glob
$ hg debugwalk -v glob:glob
* matcher:
<patternmatcher patterns='glob$'>
glob: $ENOENT$
$ hg debugwalk -v glob:glob:glob
* matcher:
<patternmatcher patterns='glob:glob$'>
f glob:glob glob:glob exact
$ hg debugwalk -v 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 -v 'glob:**e'
* matcher:
<patternmatcher patterns='.*e$'>
f beans/turtle beans/turtle
f mammals/Procyonidae/cacomistle mammals/Procyonidae/cacomistle
$ hg debugwalk -v 're:.*[kb]$'
* matcher:
<patternmatcher patterns='.*[kb]$'>
f beans/black beans/black
f fenugreek fenugreek
f mammals/skunk mammals/skunk
$ hg debugwalk -v path:beans/black
* matcher:
<patternmatcher patterns='beans/black(?:/|$)'>
f beans/black beans/black exact
$ hg debugwalk -v path:beans//black
* matcher:
<patternmatcher patterns='beans/black(?:/|$)'>
f beans/black beans/black exact
$ hg debugwalk -v relglob:Procyonidae
* matcher:
<patternmatcher patterns='(?:|.*/)Procyonidae$'>
$ hg debugwalk -v '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 -v '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 -v 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 -v '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 -v '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 -v 'glob:j*'
* matcher:
<patternmatcher patterns='j[^/]*$'>
$ hg debugwalk -v NOEXIST
* matcher:
<patternmatcher patterns='NOEXIST(?:/|$)'>
NOEXIST: * (glob)
#if fifo
$ mkfifo fifo
$ hg debugwalk -v fifo
* matcher:
<patternmatcher patterns='fifo(?:/|$)'>
fifo: unsupported file type (type is fifo)
#endif
$ rm fenugreek
$ hg debugwalk -v fenugreek
* matcher:
<patternmatcher patterns='fenugreek(?:/|$)'>
f fenugreek fenugreek exact
$ hg rm fenugreek
$ hg debugwalk -v fenugreek
* matcher:
<patternmatcher patterns='fenugreek(?:/|$)'>
f fenugreek fenugreek exact
$ touch new
$ hg debugwalk -v new
* matcher:
<patternmatcher patterns='new(?:/|$)'>
f new new exact
$ mkdir ignored
$ touch ignored/file
$ echo '^ignored$' > .hgignore
$ hg debugwalk -v ignored
* matcher:
<patternmatcher patterns='ignored(?:/|$)'>
$ hg debugwalk -v 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 -v -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 -v -I 'listfile:listfile'
* matcher:
<includematcher includes='fenugreek(?:/|$)|new(?:/|$)|mammals/skunk(?:/|$)'>
f fenugreek fenugreek
f mammals/skunk mammals/skunk
f new new
$ cd ..
$ hg debugwalk -v -R t t/mammals/skunk
* matcher:
<patternmatcher patterns='mammals/skunk(?:/|$)'>
f mammals/skunk t/mammals/skunk exact
$ mkdir t2
$ cd t2
$ hg debugwalk -v -R ../t ../t/mammals/skunk
* matcher:
<patternmatcher patterns='mammals/skunk(?:/|$)'>
f mammals/skunk ../t/mammals/skunk exact
$ hg debugwalk -v --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
$ cat >> printnum.py <<EOF
> from __future__ import print_function
> for i in range(20000 // 100):
> print('x' * 100)
> EOF
$ "$PYTHON" printnum.py >> overflow.list
$ echo fenugreek >> overflow.list
$ hg debugwalk 'listfile:overflow.list' 2>&1 | egrep -v '^xxx'
f fennel fennel exact
f fenugreek fenugreek exact
$ cd ..