annotate tests/test-highlight.t @ 13826:e574207e3bcd

url: refactor util.drop_scheme() and hg.localpath() into url.localpath()

This replaces util.drop_scheme() with url.localpath(), using url.url for
parsing instead of doing it on its own. The function is moved from
util to url to avoid an import cycle.

hg.localpath() is removed in favor of using url.localpath(). This
provides more consistent behavior between "hg clone" and other
commands.

To preserve backwards compatibility, URLs like bundle://../foo still
refer to ../foo, not /foo.

If a URL contains a scheme, percent-encoded entities are decoded. When
there's no scheme, all characters are left untouched.

Comparison of old and new behaviors:

URL                      drop_scheme()   hg.localpath()    url.localpath()
===                      =============   ==============    ===============
file://foo/foo           /foo            foo/foo           /foo
file://localhost:80/foo  /foo            localhost:80/foo  /foo
file://localhost:/foo    /foo            localhost:/foo    /foo
file://localhost/foo     /foo            /foo              /foo
file:///foo              /foo            /foo              /foo
file://foo               (empty string)  foo               /
file:/foo                /foo            /foo              /foo
file:foo                 foo             foo               foo
file:foo%23bar           foo%23bar       foo%23bar         foo#bar
foo%23bar                foo%23bar       foo%23bar         foo%23bar
/foo                     /foo            /foo              /foo

Windows-related paths on Windows:

URL                      drop_scheme()   hg.localpath()    url.localpath()
===                      =============   ==============    ===============
file:///C:/foo           C:/C:/foo       /C:/foo           C:/foo
file:///D:/foo           C:/D:/foo       /D:/foo           D:/foo
file://C:/foo            C:/foo          C:/foo            C:/foo
file://D:/foo            C:/foo          D:/foo            D:/foo
file:////foo/bar         //foo/bar       //foo/bar         //foo/bar
//foo/bar                //foo/bar       //foo/bar         //foo/bar
\\foo\bar                //foo/bar       //foo/bar         \\foo\bar

Windows-related paths on other platforms:

file:///C:/foo           C:/C:/foo       /C:/foo           C:/foo
file:///D:/foo           C:/D:/foo       /D:/foo           D:/foo
file://C:/foo            C:/foo          C:/foo            C:/foo
file://D:/foo            C:/foo          D:/foo            D:/foo
file:////foo/bar         //foo/bar       //foo/bar         //foo/bar
//foo/bar                //foo/bar       //foo/bar         //foo/bar
\\foo\bar                //foo/bar       //foo/bar         \\foo\bar

For more information about file:// URL handling, see:
http://www-archive.mozilla.org/quality/networking/testing/filetests.html

Related issues:

- issue1153: File URIs aren't handled correctly in windows

  This patch should preserve the fix implemented in
  2770d03ae49f. However, it goes a step further and "promotes"
  Windows-style drive letters from being interpreted as host names to
  being part of the path.

- issue2154: Cannot escape '#' in Mercurial URLs (#1172 in THG)

  The fragment is still interpreted as a revision or a branch, even in
  paths to bundles. However, when file: is used, percent-encoded
  entities are decoded, so file:test%23bundle.hg can refer to
  test#bundle.hg ond isk.

  $ "$TESTDIR/hghave" pygments || exit 80
  $ cat <<EOF >> $HGRCPATH
  > [extensions]
  > highlight =
  > [web]
  > pygments_style = friendly
  > EOF
  $ hg init test
  $ cd test

create random Python file to exercise Pygments

  $ cat <<EOF > primes.py
  > #!/usr/bin/env python
  > 
  > """Fun with generators. Corresponding Haskell implementation:
  > 
  > primes = 2 : sieve [3, 5..]
  >     where sieve (p:ns) = p : sieve [n | n <- ns, mod n p /= 0]
  > """
  > 
  > from itertools import dropwhile, ifilter, islice, count, chain
  > 
  > def primes():
  >     """Generate all primes."""
  >     def sieve(ns):
  >         p = ns.next()
  >         # It is important to yield *here* in order to stop the
  >         # infinite recursion.
  >         yield p
  >         ns = ifilter(lambda n: n % p != 0, ns)
  >         for n in sieve(ns):
  >             yield n
  > 
  >     odds = ifilter(lambda i: i % 2 == 1, count())
  >     return chain([2], sieve(dropwhile(lambda n: n < 3, odds)))
  > 
  > if __name__ == "__main__":
  >     import sys
  >     try:
  >         n = int(sys.argv[1])
  >     except (ValueError, IndexError):
  >         n = 10
  >     p = primes()
  >     print "The first %d primes: %s" % (n, list(islice(p, n)))
  > EOF
  $ hg ci -Ama
  adding primes.py

hg serve

  $ hg serve -p $HGPORT -d -n test --pid-file=hg.pid -A access.log -E errors.log
  $ cat hg.pid >> $DAEMON_PIDS

hgweb filerevision, html

  $ ("$TESTDIR/get-with-headers.py" localhost:$HGPORT '/file/tip/primes.py') \
  >     | sed "s/class=\"k\"/class=\"kn\"/g" | sed "s/class=\"mf\"/class=\"mi\"/g"
  200 Script output follows
  
  <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
  <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US">
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  <div class="parity0 source"><a href="#l1" id="l1">     1</a> <span class="c">#!/usr/bin/env python</span></div>
  <div class="parity1 source"><a href="#l2" id="l2">     2</a> </div>
  <div class="parity0 source"><a href="#l3" id="l3">     3</a> <span class="sd">&quot;&quot;&quot;Fun with generators. Corresponding Haskell implementation:</span></div>
  <div class="parity1 source"><a href="#l4" id="l4">     4</a> </div>
  <div class="parity0 source"><a href="#l5" id="l5">     5</a> <span class="sd">primes = 2 : sieve [3, 5..]</span></div>
  <div class="parity1 source"><a href="#l6" id="l6">     6</a> <span class="sd">    where sieve (p:ns) = p : sieve [n | n &lt;- ns, mod n p /= 0]</span></div>
  <div class="parity0 source"><a href="#l7" id="l7">     7</a> <span class="sd">&quot;&quot;&quot;</span></div>
  <div class="parity1 source"><a href="#l8" id="l8">     8</a> </div>
  <div class="parity0 source"><a href="#l9" id="l9">     9</a> <span class="kn">from</span> <span class="nn">itertools</span> <span class="kn">import</span> <span class="n">dropwhile</span><span class="p">,</span> <span class="n">ifilter</span><span class="p">,</span> <span class="n">islice</span><span class="p">,</span> <span class="n">count</span><span class="p">,</span> <span class="n">chain</span></div>
  <div class="parity1 source"><a href="#l10" id="l10">    10</a> </div>
  <div class="parity0 source"><a href="#l11" id="l11">    11</a> <span class="kn">def</span> <span class="nf">primes</span><span class="p">():</span></div>
  <div class="parity1 source"><a href="#l12" id="l12">    12</a>     <span class="sd">&quot;&quot;&quot;Generate all primes.&quot;&quot;&quot;</span></div>
  <div class="parity0 source"><a href="#l13" id="l13">    13</a>     <span class="kn">def</span> <span class="nf">sieve</span><span class="p">(</span><span class="n">ns</span><span class="p">):</span></div>
  <div class="parity1 source"><a href="#l14" id="l14">    14</a>         <span class="n">p</span> <span class="o">=</span> <span class="n">ns</span><span class="o">.</span><span class="n">next</span><span class="p">()</span></div>
  <div class="parity0 source"><a href="#l15" id="l15">    15</a>         <span class="c"># It is important to yield *here* in order to stop the</span></div>
  <div class="parity1 source"><a href="#l16" id="l16">    16</a>         <span class="c"># infinite recursion.</span></div>
  <div class="parity0 source"><a href="#l17" id="l17">    17</a>         <span class="kn">yield</span> <span class="n">p</span></div>
  <div class="parity1 source"><a href="#l18" id="l18">    18</a>         <span class="n">ns</span> <span class="o">=</span> <span class="n">ifilter</span><span class="p">(</span><span class="kn">lambda</span> <span class="n">n</span><span class="p">:</span> <span class="n">n</span> <span class="o">%</span> <span class="n">p</span> <span class="o">!=</span> <span class="mi">0</span><span class="p">,</span> <span class="n">ns</span><span class="p">)</span></div>
  <div class="parity0 source"><a href="#l19" id="l19">    19</a>         <span class="kn">for</span> <span class="n">n</span> <span class="ow">in</span> <span class="n">sieve</span><span class="p">(</span><span class="n">ns</span><span class="p">):</span></div>
  <div class="parity1 source"><a href="#l20" id="l20">    20</a>             <span class="kn">yield</span> <span class="n">n</span></div>
  <div class="parity0 source"><a href="#l21" id="l21">    21</a> </div>
  <div class="parity1 source"><a href="#l22" id="l22">    22</a>     <span class="n">odds</span> <span class="o">=</span> <span class="n">ifilter</span><span class="p">(</span><span class="kn">lambda</span> <span class="n">i</span><span class="p">:</span> <span class="n">i</span> <span class="o">%</span> <span class="mi">2</span> <span class="o">==</span> <span class="mi">1</span><span class="p">,</span> <span class="n">count</span><span class="p">())</span></div>
  <div class="parity0 source"><a href="#l23" id="l23">    23</a>     <span class="kn">return</span> <span class="n">chain</span><span class="p">([</span><span class="mi">2</span><span class="p">],</span> <span class="n">sieve</span><span class="p">(</span><span class="n">dropwhile</span><span class="p">(</span><span class="kn">lambda</span> <span class="n">n</span><span class="p">:</span> <span class="n">n</span> <span class="o">&lt;</span> <span class="mi">3</span><span class="p">,</span> <span class="n">odds</span><span class="p">)))</span></div>
  <div class="parity1 source"><a href="#l24" id="l24">    24</a> </div>
  <div class="parity0 source"><a href="#l25" id="l25">    25</a> <span class="kn">if</span> <span class="n">__name__</span> <span class="o">==</span> <span class="s">&quot;__main__&quot;</span><span class="p">:</span></div>
  <div class="parity1 source"><a href="#l26" id="l26">    26</a>     <span class="kn">import</span> <span class="nn">sys</span></div>
  <div class="parity0 source"><a href="#l27" id="l27">    27</a>     <span class="kn">try</span><span class="p">:</span></div>
  <div class="parity1 source"><a href="#l28" id="l28">    28</a>         <span class="n">n</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">sys</span><span class="o">.</span><span class="n">argv</span><span class="p">[</span><span class="mi">1</span><span class="p">])</span></div>
  <div class="parity0 source"><a href="#l29" id="l29">    29</a>     <span class="kn">except</span> <span class="p">(</span><span class="ne">ValueError</span><span class="p">,</span> <span class="ne">IndexError</span><span class="p">):</span></div>
  <div class="parity1 source"><a href="#l30" id="l30">    30</a>         <span class="n">n</span> <span class="o">=</span> <span class="mi">10</span></div>
  <div class="parity0 source"><a href="#l31" id="l31">    31</a>     <span class="n">p</span> <span class="o">=</span> <span class="n">primes</span><span class="p">()</span></div>
  <div class="parity1 source"><a href="#l32" id="l32">    32</a>     <span class="kn">print</span> <span class="s">&quot;The first </span><span class="si">%d</span><span class="s"> primes: </span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">n</span><span class="p">,</span> <span class="nb">list</span><span class="p">(</span><span class="n">islice</span><span class="p">(</span><span class="n">p</span><span class="p">,</span> <span class="n">n</span><span class="p">)))</span></div>
  <div class="sourcelast"></div>
  </div>
  </div>
  </div>
  
  
  
  </body>
  </html>
  

hgweb fileannotate, html

  $ ("$TESTDIR/get-with-headers.py" localhost:$HGPORT '/annotate/tip/primes.py') \
  >     | sed "s/class=\"k\"/class=\"kn\"/g" | sed "s/class=\"mi\"/class=\"mf\"/g"
  200 Script output follows
  
  <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
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  <h3>annotate primes.py @ 0:853dcd4de2a6</h3>
  
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  title="853dcd4de2a6: a">test@0</a>
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  <td class="source"><a href="#l1" id="l1">     1</a> <span class="c">#!/usr/bin/env python</span></td>
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  <a href="/annotate/853dcd4de2a6/primes.py#2"
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  <td class="source"><a href="#l2" id="l2">     2</a> </td>
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  <td class="source"><a href="#l3" id="l3">     3</a> <span class="sd">&quot;&quot;&quot;Fun with generators. Corresponding Haskell implementation:</span></td>
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  <td class="source"><a href="#l4" id="l4">     4</a> </td>
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  <td class="source"><a href="#l5" id="l5">     5</a> <span class="sd">primes = 2 : sieve [3, 5..]</span></td>
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  <td class="source"><a href="#l6" id="l6">     6</a> <span class="sd">    where sieve (p:ns) = p : sieve [n | n &lt;- ns, mod n p /= 0]</span></td>
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  <td class="source"><a href="#l7" id="l7">     7</a> <span class="sd">&quot;&quot;&quot;</span></td>
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  <a href="/annotate/853dcd4de2a6/primes.py#8"
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  <td class="source"><a href="#l8" id="l8">     8</a> </td>
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  title="853dcd4de2a6: a">test@0</a>
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  <td class="source"><a href="#l9" id="l9">     9</a> <span class="kn">from</span> <span class="nn">itertools</span> <span class="kn">import</span> <span class="n">dropwhile</span><span class="p">,</span> <span class="n">ifilter</span><span class="p">,</span> <span class="n">islice</span><span class="p">,</span> <span class="n">count</span><span class="p">,</span> <span class="n">chain</span></td>
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  <a href="/annotate/853dcd4de2a6/primes.py#10"
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  <td class="source"><a href="#l10" id="l10">    10</a> </td>
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  <a href="/annotate/853dcd4de2a6/primes.py#11"
  title="853dcd4de2a6: a">test@0</a>
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  <td class="source"><a href="#l11" id="l11">    11</a> <span class="kn">def</span> <span class="nf">primes</span><span class="p">():</span></td>
  </tr>
  <tr class="parity1">
  <td class="annotate">
  <a href="/annotate/853dcd4de2a6/primes.py#12"
  title="853dcd4de2a6: a">test@0</a>
  </td>
  <td class="source"><a href="#l12" id="l12">    12</a>     <span class="sd">&quot;&quot;&quot;Generate all primes.&quot;&quot;&quot;</span></td>
  </tr>
  <tr class="parity0">
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  <a href="/annotate/853dcd4de2a6/primes.py#13"
  title="853dcd4de2a6: a">test@0</a>
  </td>
  <td class="source"><a href="#l13" id="l13">    13</a>     <span class="kn">def</span> <span class="nf">sieve</span><span class="p">(</span><span class="n">ns</span><span class="p">):</span></td>
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  title="853dcd4de2a6: a">test@0</a>
  </td>
  <td class="source"><a href="#l14" id="l14">    14</a>         <span class="n">p</span> <span class="o">=</span> <span class="n">ns</span><span class="o">.</span><span class="n">next</span><span class="p">()</span></td>
  </tr>
  <tr class="parity0">
  <td class="annotate">
  <a href="/annotate/853dcd4de2a6/primes.py#15"
  title="853dcd4de2a6: a">test@0</a>
  </td>
  <td class="source"><a href="#l15" id="l15">    15</a>         <span class="c"># It is important to yield *here* in order to stop the</span></td>
  </tr>
  <tr class="parity1">
  <td class="annotate">
  <a href="/annotate/853dcd4de2a6/primes.py#16"
  title="853dcd4de2a6: a">test@0</a>
  </td>
  <td class="source"><a href="#l16" id="l16">    16</a>         <span class="c"># infinite recursion.</span></td>
  </tr>
  <tr class="parity0">
  <td class="annotate">
  <a href="/annotate/853dcd4de2a6/primes.py#17"
  title="853dcd4de2a6: a">test@0</a>
  </td>
  <td class="source"><a href="#l17" id="l17">    17</a>         <span class="kn">yield</span> <span class="n">p</span></td>
  </tr>
  <tr class="parity1">
  <td class="annotate">
  <a href="/annotate/853dcd4de2a6/primes.py#18"
  title="853dcd4de2a6: a">test@0</a>
  </td>
  <td class="source"><a href="#l18" id="l18">    18</a>         <span class="n">ns</span> <span class="o">=</span> <span class="n">ifilter</span><span class="p">(</span><span class="kn">lambda</span> <span class="n">n</span><span class="p">:</span> <span class="n">n</span> <span class="o">%</span> <span class="n">p</span> <span class="o">!=</span> <span class="mf">0</span><span class="p">,</span> <span class="n">ns</span><span class="p">)</span></td>
  </tr>
  <tr class="parity0">
  <td class="annotate">
  <a href="/annotate/853dcd4de2a6/primes.py#19"
  title="853dcd4de2a6: a">test@0</a>
  </td>
  <td class="source"><a href="#l19" id="l19">    19</a>         <span class="kn">for</span> <span class="n">n</span> <span class="ow">in</span> <span class="n">sieve</span><span class="p">(</span><span class="n">ns</span><span class="p">):</span></td>
  </tr>
  <tr class="parity1">
  <td class="annotate">
  <a href="/annotate/853dcd4de2a6/primes.py#20"
  title="853dcd4de2a6: a">test@0</a>
  </td>
  <td class="source"><a href="#l20" id="l20">    20</a>             <span class="kn">yield</span> <span class="n">n</span></td>
  </tr>
  <tr class="parity0">
  <td class="annotate">
  <a href="/annotate/853dcd4de2a6/primes.py#21"
  title="853dcd4de2a6: a">test@0</a>
  </td>
  <td class="source"><a href="#l21" id="l21">    21</a> </td>
  </tr>
  <tr class="parity1">
  <td class="annotate">
  <a href="/annotate/853dcd4de2a6/primes.py#22"
  title="853dcd4de2a6: a">test@0</a>
  </td>
  <td class="source"><a href="#l22" id="l22">    22</a>     <span class="n">odds</span> <span class="o">=</span> <span class="n">ifilter</span><span class="p">(</span><span class="kn">lambda</span> <span class="n">i</span><span class="p">:</span> <span class="n">i</span> <span class="o">%</span> <span class="mf">2</span> <span class="o">==</span> <span class="mf">1</span><span class="p">,</span> <span class="n">count</span><span class="p">())</span></td>
  </tr>
  <tr class="parity0">
  <td class="annotate">
  <a href="/annotate/853dcd4de2a6/primes.py#23"
  title="853dcd4de2a6: a">test@0</a>
  </td>
  <td class="source"><a href="#l23" id="l23">    23</a>     <span class="kn">return</span> <span class="n">chain</span><span class="p">([</span><span class="mf">2</span><span class="p">],</span> <span class="n">sieve</span><span class="p">(</span><span class="n">dropwhile</span><span class="p">(</span><span class="kn">lambda</span> <span class="n">n</span><span class="p">:</span> <span class="n">n</span> <span class="o">&lt;</span> <span class="mf">3</span><span class="p">,</span> <span class="n">odds</span><span class="p">)))</span></td>
  </tr>
  <tr class="parity1">
  <td class="annotate">
  <a href="/annotate/853dcd4de2a6/primes.py#24"
  title="853dcd4de2a6: a">test@0</a>
  </td>
  <td class="source"><a href="#l24" id="l24">    24</a> </td>
  </tr>
  <tr class="parity0">
  <td class="annotate">
  <a href="/annotate/853dcd4de2a6/primes.py#25"
  title="853dcd4de2a6: a">test@0</a>
  </td>
  <td class="source"><a href="#l25" id="l25">    25</a> <span class="kn">if</span> <span class="n">__name__</span> <span class="o">==</span> <span class="s">&quot;__main__&quot;</span><span class="p">:</span></td>
  </tr>
  <tr class="parity1">
  <td class="annotate">
  <a href="/annotate/853dcd4de2a6/primes.py#26"
  title="853dcd4de2a6: a">test@0</a>
  </td>
  <td class="source"><a href="#l26" id="l26">    26</a>     <span class="kn">import</span> <span class="nn">sys</span></td>
  </tr>
  <tr class="parity0">
  <td class="annotate">
  <a href="/annotate/853dcd4de2a6/primes.py#27"
  title="853dcd4de2a6: a">test@0</a>
  </td>
  <td class="source"><a href="#l27" id="l27">    27</a>     <span class="kn">try</span><span class="p">:</span></td>
  </tr>
  <tr class="parity1">
  <td class="annotate">
  <a href="/annotate/853dcd4de2a6/primes.py#28"
  title="853dcd4de2a6: a">test@0</a>
  </td>
  <td class="source"><a href="#l28" id="l28">    28</a>         <span class="n">n</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">sys</span><span class="o">.</span><span class="n">argv</span><span class="p">[</span><span class="mf">1</span><span class="p">])</span></td>
  </tr>
  <tr class="parity0">
  <td class="annotate">
  <a href="/annotate/853dcd4de2a6/primes.py#29"
  title="853dcd4de2a6: a">test@0</a>
  </td>
  <td class="source"><a href="#l29" id="l29">    29</a>     <span class="kn">except</span> <span class="p">(</span><span class="ne">ValueError</span><span class="p">,</span> <span class="ne">IndexError</span><span class="p">):</span></td>
  </tr>
  <tr class="parity1">
  <td class="annotate">
  <a href="/annotate/853dcd4de2a6/primes.py#30"
  title="853dcd4de2a6: a">test@0</a>
  </td>
  <td class="source"><a href="#l30" id="l30">    30</a>         <span class="n">n</span> <span class="o">=</span> <span class="mf">10</span></td>
  </tr>
  <tr class="parity0">
  <td class="annotate">
  <a href="/annotate/853dcd4de2a6/primes.py#31"
  title="853dcd4de2a6: a">test@0</a>
  </td>
  <td class="source"><a href="#l31" id="l31">    31</a>     <span class="n">p</span> <span class="o">=</span> <span class="n">primes</span><span class="p">()</span></td>
  </tr>
  <tr class="parity1">
  <td class="annotate">
  <a href="/annotate/853dcd4de2a6/primes.py#32"
  title="853dcd4de2a6: a">test@0</a>
  </td>
  <td class="source"><a href="#l32" id="l32">    32</a>     <span class="kn">print</span> <span class="s">&quot;The first </span><span class="si">%d</span><span class="s"> primes: </span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">n</span><span class="p">,</span> <span class="nb">list</span><span class="p">(</span><span class="n">islice</span><span class="p">(</span><span class="n">p</span><span class="p">,</span> <span class="n">n</span><span class="p">)))</span></td>
  </tr>
  </table>
  </div>
  </div>
  </div>
  
  
  
  </body>
  </html>
  

hgweb fileannotate, raw

  $ ("$TESTDIR/get-with-headers.py" localhost:$HGPORT '/annotate/tip/primes.py?style=raw') \
  >     | sed "s/test@//" > a
  $ echo "200 Script output follows" > b
  $ echo "" >> b
  $ echo "" >> b
  $ hg annotate "primes.py" >> b
  $ echo "" >> b
  $ echo "" >> b
  $ echo "" >> b
  $ echo "" >> b
  $ diff -u b a
  $ echo
  

hgweb filerevision, raw

  $ ("$TESTDIR/get-with-headers.py" localhost:$HGPORT '/file/tip/primes.py?style=raw') \
  >     > a
  $ echo "200 Script output follows" > b
  $ echo "" >> b
  $ hg cat primes.py >> b
  $ diff -u b a
  $ echo
  

hgweb highlightcss friendly

  $ "$TESTDIR/get-with-headers.py" localhost:$HGPORT '/highlightcss' > out
  $ head -n 4 out
  200 Script output follows
  
  /* pygments_style = friendly */
  
  $ rm out

errors encountered

  $ cat errors.log
  $ "$TESTDIR/killdaemons.py"

Change the pygments style

  $ cat > .hg/hgrc <<EOF
  > [web]
  > pygments_style = fruity
  > EOF

hg serve again

  $ hg serve -p $HGPORT -d -n test --pid-file=hg.pid -A access.log -E errors.log
  $ cat hg.pid >> $DAEMON_PIDS

hgweb highlightcss fruity

  $ "$TESTDIR/get-with-headers.py" localhost:$HGPORT '/highlightcss' > out
  $ head -n 4 out
  200 Script output follows
  
  /* pygments_style = fruity */
  
  $ rm out

errors encountered

  $ cat errors.log
  $ cd ..
  $ hg init eucjp
  $ cd eucjp
  $ python -c 'print("\265\376")' >> eucjp.txt  # Japanese kanji "Kyo"
  $ hg ci -Ama
  adding eucjp.txt
  $ hgserveget () {
  >     "$TESTDIR/killdaemons.py"
  >     echo % HGENCODING="$1" hg serve
  >     HGENCODING="$1" hg serve -p $HGPORT -d -n test --pid-file=hg.pid -E errors.log
  >     cat hg.pid >> $DAEMON_PIDS
  > 
  >     echo % hgweb filerevision, html
  >     "$TESTDIR/get-with-headers.py" localhost:$HGPORT "/file/tip/$2" \
  >         | grep '<div class="parity0 source">'
  >     echo % errors encountered
  >     cat errors.log
  > }
  $ hgserveget euc-jp eucjp.txt
  % HGENCODING=euc-jp hg serve
  % hgweb filerevision, html
  <div class="parity0 source"><a href="#l1" id="l1">     1</a> \xb5\xfe</div> (esc)
  % errors encountered
  $ hgserveget utf-8 eucjp.txt
  % HGENCODING=utf-8 hg serve
  % hgweb filerevision, html
  <div class="parity0 source"><a href="#l1" id="l1">     1</a> \xef\xbf\xbd\xef\xbf\xbd</div> (esc)
  % errors encountered
  $ hgserveget us-ascii eucjp.txt
  % HGENCODING=us-ascii hg serve
  % hgweb filerevision, html
  <div class="parity0 source"><a href="#l1" id="l1">     1</a> ??</div>
  % errors encountered