upstream/mercurial-mirror Files · mercurial/templates/paper/help.tmpl

util: compression APIs to support revlog compression...

util: compression APIs to support revlog compression As part of "zstd all of the things," we need to teach revlogs to use non-zlib compression formats. Because we're routing all compression via the "compression manager" and "compression engine" APIs, we need to introduction functionality there for performing revlog operations. Ideally, revlog compression and decompression operations would be implemented in terms of simple "compress" and "decompress" primitives. However, there are a few considerations that make us want to have a specialized primitive for handling revlogs: 1) Performance. Revlogs tend to do compression and especially decompression operations in batches. Any overhead for e.g. instantiating a "context" for performing an operation can be noticed. For this reason, our "revlog compressor" primitive is reusable. For zstd, we reuse the same compression "context" for multiple operations. I've measured this to have a performance impact versus constructing new contexts for each operation. 2) Specialization. By having a primitive dedicated to revlog use, we can make revlog-specific choices and leave the door open for more functionality in the future. For example, the zstd revlog compressor may one day make use of dictionary compression. A future patch will introduce a decompress() on the compressor object. The code for the zlib compressor is basically copied from revlog.compress(). Although it doesn't handle the empty input case, the null first byte case, and the 'u' prefix case. These cases will continue to be handled in revlog.py once that code is ported to use this API.

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        Augie Fackler
    
web: add a help view for getting hg help output

              r12666
            
      {header}

      <title>Help: {topic}</title>

      </head>

      <body>

      <div class="container">

      <div class="menu">

      <div class="logo">

        Steven Stallion
    
hgweb: support alternate logo url...

              r13964
            
      <a href="{logourl}">

        Thomas Arendsen Hein
    
hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...

              r18526
            
      <img src="{staticurl|urlescape}{logoimg}" alt="mercurial" /></a>

        Augie Fackler
    
web: add a help view for getting hg help output

              r12666
            
      </div>

      <ul>

        Thomas Arendsen Hein
    
hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...

              r18526
            
      <li><a href="{url|urlescape}shortlog{sessionvars%urlparameter}">log</a></li>

      <li><a href="{url|urlescape}graph{sessionvars%urlparameter}">graph</a></li>

      <li><a href="{url|urlescape}tags{sessionvars%urlparameter}">tags</a></li>

      <li><a href="{url|urlescape}bookmarks{sessionvars%urlparameter}">bookmarks</a></li>

      <li><a href="{url|urlescape}branches{sessionvars%urlparameter}">branches</a></li>

        Augie Fackler
    
web: add a help view for getting hg help output

              r12666
            
      </ul>

      <ul>

        Thomas Arendsen Hein
    
hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...

              r18526
            
       <li class="active"><a href="{url|urlescape}help{sessionvars%urlparameter}">help</a></li>

        Augie Fackler
    
web: add a help view for getting hg help output

              r12666
            
      </ul>

      </div>

      <div class="main">

        Angel Ezquerra <angel.ezquerra at gmail.com>
    
hgweb: add a "URL breadcrumb" to the index and repository pages...

              r18258
            
      <h2 class="breadcrumb"><a href="/">Mercurial</a> {pathdef%breadcrumb}</h2>

        Augie Fackler
    
web: add a help view for getting hg help output

              r12666
            
      <h3>Help: {topic}</h3>

        Thomas Arendsen Hein
    
hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...

              r18526
            
      <form class="search" action="{url|urlescape}log">

        Augie Fackler
    
web: add a help view for getting hg help output

              r12666
            
      {sessionvars%hiddenformentry}

      <p><input name="rev" id="search1" type="text" size="30" /></p>

        Alexander Plavin
    
paper: define searchhint message in map file and use it in other templates

              r19795
            
      <div id="hint">{searchhint}</div>

        Augie Fackler
    
web: add a help view for getting hg help output

              r12666
            
      </form>

        Dan Villiom Podlaski Christiansen
    
hgweb: generate HTML documentation...

              r18747
            
      <div id="doc">

      {rstdoc(doc, "html")}

      </div>

        Augie Fackler
    
web: add a help view for getting hg help output

              r12666
            
      </div>

      </div>

      {footer}

	Site-wide shortcuts
/	Use quick search box
g h	Goto home page
g g	Goto my private gists page
g G	Goto my public gists page
g 0-9	Goto bookmarked items from 0-9
n r	New repository page
n g	New gist page

	Repositories
g s	Goto summary page
g c	Goto changelog page
g f	Goto files page
g F	Goto files page with file search activated
g p	Goto pull requests page
g o	Goto repository settings
g O	Goto repository access permissions settings
t s	Toggle sidebar on some pages

Augie Fackler web: add a help view for getting hg help output	r12666	{header}
		<title>Help: {topic}</title>
		</head>
		<body>

		<div class="container">
		<div class="menu">
		<div class="logo">
Steven Stallion hgweb: support alternate logo url...	r13964	<a href="{logourl}">
Thomas Arendsen Hein hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...	r18526	<img src="{staticurl\|urlescape}{logoimg}" alt="mercurial" /></a>
Augie Fackler web: add a help view for getting hg help output	r12666	</div>
		<ul>
Thomas Arendsen Hein hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...	r18526	<li><a href="{url\|urlescape}shortlog{sessionvars%urlparameter}">log</a></li>
		<li><a href="{url\|urlescape}graph{sessionvars%urlparameter}">graph</a></li>
		<li><a href="{url\|urlescape}tags{sessionvars%urlparameter}">tags</a></li>
		<li><a href="{url\|urlescape}bookmarks{sessionvars%urlparameter}">bookmarks</a></li>
		<li><a href="{url\|urlescape}branches{sessionvars%urlparameter}">branches</a></li>
Augie Fackler web: add a help view for getting hg help output	r12666	</ul>
		<ul>
Thomas Arendsen Hein hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...	r18526	<li class="active"><a href="{url\|urlescape}help{sessionvars%urlparameter}">help</a></li>
Augie Fackler web: add a help view for getting hg help output	r12666	</ul>
		</div>

		<div class="main">
Angel Ezquerra <angel.ezquerra at gmail.com> hgweb: add a "URL breadcrumb" to the index and repository pages...	r18258	<h2 class="breadcrumb"><a href="/">Mercurial</a> {pathdef%breadcrumb}</h2>
Augie Fackler web: add a help view for getting hg help output	r12666	<h3>Help: {topic}</h3>

Thomas Arendsen Hein hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...	r18526	<form class="search" action="{url\|urlescape}log">
Augie Fackler web: add a help view for getting hg help output	r12666	{sessionvars%hiddenformentry}
		<p><input name="rev" id="search1" type="text" size="30" /></p>
Alexander Plavin paper: define searchhint message in map file and use it in other templates	r19795	<div id="hint">{searchhint}</div>
Augie Fackler web: add a help view for getting hg help output	r12666	</form>
Dan Villiom Podlaski Christiansen hgweb: generate HTML documentation...	r18747	<div id="doc">
		{rstdoc(doc, "html")}
		</div>
Augie Fackler web: add a help view for getting hg help output	r12666	</div>
		</div>

		{footer}