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wireprotov2: add phases to "changesetdata" command...
wireprotov2: add phases to "changesetdata" command This commit teaches the "changesetdata" wire protocol command to emit the phase state for each changeset. This is a different approach from existing phase transfer in a few ways. Previously, if there are no new revisions (or we're not using bundle2), we perform a "listkeys" request to retrieve phase heads. And when revision data is being transferred with bundle2, phases data is encoded in a standalone bundle2 part. In both cases, phases data is logically decoupled from the changeset data and is encountered/applied after changeset revision data is received. The new wire protocol purposefully tries to more tightly associate changeset metadata (phases, bookmarks, obsolescence markers, etc) with the changeset revision and index data itself, rather than have it live as a separate entity that must be fetched and processed separately. I reckon that one reason we didn't do this before was it was difficult to add new data types/fields without breaking existing consumers. By using CBOR maps to transfer changeset data and putting clients in control of what fields are requested / present in those maps, we can easily add additional changeset data while maintaining backwards compatibility. I believe this to be a superior approach to the problem. That being said, for performance reasons, we may need to resort to alternative mechanisms for transferring data like phases. But for now, I think giving the wire protocol the ability to transfer changeset metadata next to the changeset itself is a powerful feature because it is a raw, changeset-centric data API. And if you build simple APIs for accessing the fundamental units of repository data, you enable client-side experimentation (partial clone, etc). If it turns out that we need specialized APIs or mechanisms for transferring data like phases, we can build in those APIs later. For now, I'd like to see how far we can get on simple APIs. It's worth noting that when phase data is being requested, the server will also emit changeset records for nodes in the bases specified by the "noderange" argument. This is to ensure that phase-only updates for nodes the client has are available to the client, even if no new changesets will be transferred. Differential Revision: https://phab.mercurial-scm.org/D4483

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graph.tmpl
70 lines | 2.3 KiB | application/x-cheetah | CheetahLexer
Dan Villiom Podlaski Christiansen
setup: install translation files as package data...
r9999 {header}
<title>{repo|escape}: Graph</title>
<link rel="alternate" type="application/atom+xml"
Thomas Arendsen Hein
hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...
r18526 href="{url|urlescape}atom-log" title="Atom feed for {repo|escape}"/>
Dan Villiom Podlaski Christiansen
setup: install translation files as package data...
r9999 <link rel="alternate" type="application/rss+xml"
Thomas Arendsen Hein
hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...
r18526 href="{url|urlescape}rss-log" title="RSS feed for {repo|escape}"/>
Dan Villiom Podlaski Christiansen
setup: install translation files as package data...
r9999 </head>
<body>
<div class="page_header">
Angel Ezquerra <angel.ezquerra at gmail.com>
hgweb: add a "URL breadcrumb" to the index and repository pages...
r18258 <a href="{logourl}" title="Mercurial" style="float: right;">Mercurial</a>
<a href="/">Mercurial</a> {pathdef%breadcrumb} / graph
Dan Villiom Podlaski Christiansen
setup: install translation files as package data...
r9999 </div>
<div class="page_nav">
Gregory Szorc
hgweb: refresh styling of gitweb's search form...
r32762 <div>
Thomas Arendsen Hein
hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...
r18526 <a href="{url|urlescape}summary{sessionvars%urlparameter}">summary</a> |
av6
gitweb: don't drop current revision context on graph page...
r26666 <a href="{url|urlescape}shortlog/{symrev}{sessionvars%urlparameter}">shortlog</a> |
av6
hgweb: don't dereference symbolic revision in gitweb style...
r25605 <a href="{url|urlescape}log/{symrev}{sessionvars%urlparameter}">changelog</a> |
Dan Villiom Podlaski Christiansen
setup: install translation files as package data...
r9999 graph |
Thomas Arendsen Hein
hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...
r18526 <a href="{url|urlescape}tags{sessionvars%urlparameter}">tags</a> |
<a href="{url|urlescape}bookmarks{sessionvars%urlparameter}">bookmarks</a> |
<a href="{url|urlescape}branches{sessionvars%urlparameter}">branches</a> |
av6
hgweb: add archive entries to graph page...
r38501 <a href="{url|urlescape}file/{symrev}{sessionvars%urlparameter}">files</a>{archives%archiveentry} |
Thomas Arendsen Hein
hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...
r18526 <a href="{url|urlescape}help{sessionvars%urlparameter}">help</a>
Dan Villiom Podlaski Christiansen
setup: install translation files as package data...
r9999 <br/>
av6
hgweb: don't dereference symbolic revision in gitweb style...
r25605 <a href="{url|urlescape}graph/{symrev}{lessvars%urlparameter}">less</a>
<a href="{url|urlescape}graph/{symrev}{morevars%urlparameter}">more</a>
Gregory Szorc
hgweb: refresh styling of gitweb's search form...
r32762 | {changenav%navgraph}
</div>
{searchform}
Dan Villiom Podlaski Christiansen
setup: install translation files as package data...
r9999 </div>
<div class="title">&nbsp;</div>
<noscript>The revision graph only works with JavaScript-enabled browsers.</noscript>
<div id="wrapper">
av6
hgweb: calculate <canvas> width and height client-side...
r35408 <canvas id="graph"></canvas>
av6
gitweb: render changesets server-side on /graph page
r35220 <ul id="graphnodes">{nodes%graphentry}</ul>
Dan Villiom Podlaski Christiansen
setup: install translation files as package data...
r9999 </div>
Gregory Szorc
hgweb: support Content Security Policy...
r30766 <script{if(nonce, ' nonce="{nonce}"')}>
Dan Villiom Podlaski Christiansen
setup: install translation files as package data...
r9999 var data = {jsdata|json};
var graph = new Graph();
graph.scale({bg_height});
graph.render(data);
</script>
Gregory Szorc
hgweb: use separate CSS class for navigation links in footer...
r32990 <div class="extra_nav">
av6
hgweb: don't dereference symbolic revision in gitweb style...
r25605 <a href="{url|urlescape}graph/{symrev}{lessvars%urlparameter}">less</a>
<a href="{url|urlescape}graph/{symrev}{morevars%urlparameter}">more</a>
Nicolas Dumazet
hgweb: changenav: separate pages before and after the current position...
r10254 | {changenav%navgraph}
Dan Villiom Podlaski Christiansen
setup: install translation files as package data...
r9999 </div>
Gregory Szorc
hgweb: support Content Security Policy...
r30766 <script type="text/javascript"{if(nonce, ' nonce="{nonce}"')}>
Takumi IINO
hgweb: infinite scroll support for gitweb style
r20254 ajaxScrollInit(
av6
hgweb: render next pages on /graph incrementally...
r35410 '{url|urlescape}graph/%next%{graphvars%urlparameter}',
'{nextentry%"{node}"}', <!-- NEXTHASH
av6
hgweb: remove unused second argument of nextPageVarGet()...
r35672 function (htmlText) \{
av6
hgweb: render next pages on /graph incrementally...
r35410 var m = htmlText.match(/'(\w+)', <!-- NEXTHASH/);
return m ? m[1] : null;
},
Takumi IINO
hgweb: infinite scroll support for gitweb style
r20254 '#wrapper',
'<div class="%class%" style="text-align: center;">%text%</div>',
'graph'
);
</script>
Dan Villiom Podlaski Christiansen
setup: install translation files as package data...
r9999 {footer}