Truncate input to 1K when using pygments guess_lexer.
This function appears to be exponential with input length.
#!/bin/sh
"$TESTDIR/hghave" symlink || exit 80
origdir=`pwd`
hg init repo
cd repo
ln -s nothing dangling
# avoid tar warnings about old timestamp
hg ci -d '2000-01-01 00:00:00 +0000' -qAm 'add symlink'
hg archive -t files ../archive
hg archive -t tar -p tar ../archive.tar
hg archive -t zip -p zip ../archive.zip
echo '% files'
cd "$origdir"
cd archive
$TESTDIR/readlink.py dangling
echo '% tar'
cd "$origdir"
tar xf archive.tar
cd tar
$TESTDIR/readlink.py dangling
echo '% zip'
cd "$origdir"
unzip archive.zip > /dev/null
cd zip
$TESTDIR/readlink.py dangling