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diff --git a/doc/html/usage.html b/doc/html/usage.html index 2dbe25f..16fbbe9 100644 --- a/doc/html/usage.html +++ b/doc/html/usage.html @@ -329,141 +329,147 @@ ul.auto-toc { <div class="contents topic" id="contents"> <p class="topic-title first">Contents</p> <ul class="auto-toc simple"> -<li><a class="reference internal" href="#introduction" id="id5">1 Introduction</a></li> -<li><a class="reference internal" href="#installation" id="id6">2 Installation</a><ul class="auto-toc"> -<li><a class="reference internal" href="#prerequisites" id="id7">2.1 Prerequisites</a></li> -<li><a class="reference internal" href="#via-emerge-gentoo" id="id8">2.2 via emerge (Gentoo)</a></li> -<li><a class="reference internal" href="#manual-installation" id="id9">2.3 Manual Installation</a></li> -<li><a class="reference internal" href="#using-roverlay-without-installation" id="id10">2.4 Using <em>roverlay</em> without installation</a></li> +<li><a class="reference internal" href="#introduction" id="id6">1 Introduction</a></li> +<li><a class="reference internal" href="#installation" id="id7">2 Installation</a><ul class="auto-toc"> +<li><a class="reference internal" href="#prerequisites" id="id8">2.1 Prerequisites</a></li> +<li><a class="reference internal" href="#via-emerge-gentoo" id="id9">2.2 via emerge (Gentoo)</a></li> +<li><a class="reference internal" href="#manual-installation" id="id10">2.3 Manual Installation</a></li> +<li><a class="reference internal" href="#using-roverlay-without-installation" id="id11">2.4 Using <em>roverlay</em> without installation</a></li> </ul> </li> -<li><a class="reference internal" href="#running-roverlay" id="id11">3 Running Roverlay</a><ul class="auto-toc"> -<li><a class="reference internal" href="#required-configuration-steps" id="id12">3.1 Required configuration steps</a><ul class="auto-toc"> -<li><a class="reference internal" href="#extended-configuration-where-to-go-from-here" id="id13">3.1.1 Extended Configuration / Where to go from here?</a></li> +<li><a class="reference internal" href="#running-roverlay" id="id12">3 Running Roverlay</a><ul class="auto-toc"> +<li><a class="reference internal" href="#required-configuration-steps" id="id13">3.1 Required configuration steps</a><ul class="auto-toc"> +<li><a class="reference internal" href="#extended-configuration-where-to-go-from-here" id="id14">3.1.1 Extended Configuration / Where to go from here?</a></li> </ul> </li> -<li><a class="reference internal" href="#running-it" id="id14">3.2 Running it</a></li> -<li><a class="reference internal" href="#providing-a-package-mirror" id="id15">3.3 Providing a package mirror</a></li> +<li><a class="reference internal" href="#running-it" id="id15">3.2 Running it</a></li> +<li><a class="reference internal" href="#providing-a-package-mirror" id="id16">3.3 Providing a package mirror</a></li> +<li><a class="reference internal" href="#roverlay-helpers" id="id17">3.4 roverlay helpers</a></li> </ul> </li> -<li><a class="reference internal" href="#basic-implementation-overview" id="id16">4 Basic Implementation Overview</a><ul class="auto-toc"> -<li><a class="reference internal" href="#how-roverlay-works" id="id17">4.1 How <em>roverlay</em> works</a></li> -<li><a class="reference internal" href="#expected-overlay-result-structure-of-the-generated-overlay" id="id18">4.2 Expected Overlay Result / Structure of the generated overlay</a><ul class="auto-toc"> -<li><a class="reference internal" href="#expected-ebuild-result" id="id19">4.2.1 Expected Ebuild Result</a></li> -<li><a class="reference internal" href="#expected-metadata-xml-result" id="id20">4.2.2 Expected <em>metadata.xml</em> Result</a></li> +<li><a class="reference internal" href="#basic-implementation-overview" id="id18">4 Basic Implementation Overview</a><ul class="auto-toc"> +<li><a class="reference internal" href="#how-roverlay-works" id="id19">4.1 How <em>roverlay</em> works</a></li> +<li><a class="reference internal" href="#expected-overlay-result-structure-of-the-generated-overlay" id="id20">4.2 Expected Overlay Result / Structure of the generated overlay</a><ul class="auto-toc"> +<li><a class="reference internal" href="#expected-ebuild-result" id="id21">4.2.1 Expected Ebuild Result</a></li> +<li><a class="reference internal" href="#expected-metadata-xml-result" id="id22">4.2.2 Expected <em>metadata.xml</em> Result</a></li> </ul> </li> </ul> </li> -<li><a class="reference internal" href="#repositories-getting-packages" id="id21">5 Repositories / Getting Packages</a><ul class="auto-toc"> -<li><a class="reference internal" href="#a-word-about-repo-config-files" id="id22">5.1 A word about repo config files</a></li> -<li><a class="reference internal" href="#rsync-repos" id="id23">5.2 Rsync repos</a></li> -<li><a class="reference internal" href="#getting-packages-from-a-repository-that-supports-http-only" id="id24">5.3 Getting packages from a repository that supports http only</a></li> -<li><a class="reference internal" href="#getting-packages-from-several-remotes-using-http-and-a-package-list" id="id25">5.4 Getting packages from several remotes using http and a package list</a></li> -<li><a class="reference internal" href="#using-local-directories" id="id26">5.5 Using local directories</a></li> -<li><a class="reference internal" href="#distmap" id="id27">5.6 distmap</a></li> +<li><a class="reference internal" href="#repositories-getting-packages" id="id23">5 Repositories / Getting Packages</a><ul class="auto-toc"> +<li><a class="reference internal" href="#a-word-about-repo-config-files" id="id24">5.1 A word about repo config files</a></li> +<li><a class="reference internal" href="#rsync-repos" id="id25">5.2 Rsync repos</a></li> +<li><a class="reference internal" href="#getting-packages-from-a-repository-that-supports-http-only" id="id26">5.3 Getting packages from a repository that supports http only</a></li> +<li><a class="reference internal" href="#getting-packages-from-several-remotes-using-http-and-a-package-list" id="id27">5.4 Getting packages from several remotes using http and a package list</a></li> +<li><a class="reference internal" href="#using-local-directories" id="id28">5.5 Using local directories</a></li> +<li><a class="reference internal" href="#distmap" id="id29">5.6 distmap</a></li> </ul> </li> -<li><a class="reference internal" href="#additions-directory" id="id28">6 Additions Directory</a><ul class="auto-toc"> -<li><a class="reference internal" href="#patching-ebuilds" id="id29">6.1 Patching ebuilds</a></li> -<li><a class="reference internal" href="#importing-ebuilds" id="id30">6.2 Importing ebuilds</a></li> +<li><a class="reference internal" href="#additions-directory" id="id30">6 Additions Directory</a><ul class="auto-toc"> +<li><a class="reference internal" href="#patching-ebuilds" id="id31">6.1 Patching ebuilds</a></li> +<li><a class="reference internal" href="#importing-ebuilds" id="id32">6.2 Importing ebuilds</a></li> </ul> </li> -<li><a class="reference internal" href="#dependency-rules" id="id31">7 Dependency Rules</a><ul class="auto-toc"> -<li><a class="reference internal" href="#simple-dependency-rules" id="id32">7.1 Simple Dependency Rules</a><ul class="auto-toc"> -<li><a class="reference internal" href="#rule-variants" id="id33">7.1.1 Rule Variants</a></li> -<li><a class="reference internal" href="#rule-types" id="id34">7.1.2 Rule types</a></li> -<li><a class="reference internal" href="#rule-file-examples" id="id35">7.1.3 Rule File Examples</a></li> -<li><a class="reference internal" href="#rule-file-syntax" id="id36">7.1.4 Rule File Syntax</a></li> +<li><a class="reference internal" href="#dependency-rules" id="id33">7 Dependency Rules</a><ul class="auto-toc"> +<li><a class="reference internal" href="#simple-dependency-rules" id="id34">7.1 Simple Dependency Rules</a><ul class="auto-toc"> +<li><a class="reference internal" href="#rule-variants" id="id35">7.1.1 Rule Variants</a></li> +<li><a class="reference internal" href="#rule-types" id="id36">7.1.2 Rule types</a></li> +<li><a class="reference internal" href="#rule-file-examples" id="id37">7.1.3 Rule File Examples</a></li> +<li><a class="reference internal" href="#rule-file-syntax" id="id38">7.1.4 Rule File Syntax</a></li> </ul> </li> </ul> </li> -<li><a class="reference internal" href="#package-rules" id="id37">8 Package Rules</a><ul class="auto-toc"> -<li><a class="reference internal" href="#package-rule-file-syntax" id="id38">8.1 Package Rule File Syntax</a><ul class="auto-toc"> -<li><a class="reference internal" href="#match-blocks" id="id39">8.1.1 Match Blocks</a><ul class="auto-toc"> -<li><a class="reference internal" href="#extended-match-block-syntax" id="id40">8.1.1.1 Extended Match Block Syntax</a></li> +<li><a class="reference internal" href="#package-rules" id="id39">8 Package Rules</a><ul class="auto-toc"> +<li><a class="reference internal" href="#package-rule-file-syntax" id="id40">8.1 Package Rule File Syntax</a><ul class="auto-toc"> +<li><a class="reference internal" href="#match-blocks" id="id41">8.1.1 Match Blocks</a><ul class="auto-toc"> +<li><a class="reference internal" href="#extended-match-block-syntax" id="id42">8.1.1.1 Extended Match Block Syntax</a></li> </ul> </li> -<li><a class="reference internal" href="#action-blocks" id="id41">8.1.2 Action Blocks</a><ul class="auto-toc"> -<li><a class="reference internal" href="#extended-action-block-syntax" id="id42">8.1.2.1 Extended Action Block Syntax</a></li> +<li><a class="reference internal" href="#action-blocks" id="id43">8.1.2 Action Blocks</a><ul class="auto-toc"> +<li><a class="reference internal" href="#extended-action-block-syntax" id="id44">8.1.2.1 Extended Action Block Syntax</a></li> </ul> </li> -<li><a class="reference internal" href="#package-rule-examples" id="id43">8.1.3 Package Rule Examples</a></li> +<li><a class="reference internal" href="#package-rule-examples" id="id45">8.1.3 Package Rule Examples</a></li> </ul> </li> </ul> </li> -<li><a class="reference internal" href="#event-hooks" id="id44">9 Event Hooks</a><ul class="auto-toc"> -<li><a class="reference internal" href="#default-event-script" id="id45">9.1 Default event script</a><ul class="auto-toc"> -<li><a class="reference internal" href="#activating-a-hook-script" id="id46">9.1.1 Activating a hook script</a></li> -<li><a class="reference internal" href="#adding-a-new-hook-script" id="id47">9.1.2 Adding a new hook script</a></li> +<li><a class="reference internal" href="#event-hooks" id="id46">9 Event Hooks</a><ul class="auto-toc"> +<li><a class="reference internal" href="#default-event-script" id="id47">9.1 Default event script</a><ul class="auto-toc"> +<li><a class="reference internal" href="#activating-a-hook-script" id="id48">9.1.1 Activating a hook script</a></li> +<li><a class="reference internal" href="#adding-a-new-hook-script" id="id49">9.1.2 Adding a new hook script</a></li> </ul> </li> -<li><a class="reference internal" href="#event-policy" id="id48">9.2 Event Policy</a></li> -<li><a class="reference internal" href="#hook-environment" id="id49">9.3 Hook Environment</a></li> -<li><a class="reference internal" href="#adding-a-function-file" id="id50">9.4 Adding a function file</a></li> -<li><a class="reference internal" href="#adding-a-hook-event" id="id51">9.5 Adding a hook event</a></li> +<li><a class="reference internal" href="#event-policy" id="id50">9.2 Event Policy</a></li> +<li><a class="reference internal" href="#hook-environment" id="id51">9.3 Hook Environment</a></li> +<li><a class="reference internal" href="#adding-a-function-file" id="id52">9.4 Adding a function file</a></li> +<li><a class="reference internal" href="#hook-event-table" id="id53">9.5 Hook event table</a></li> +<li><a class="reference internal" href="#adding-a-hook-event" id="id54">9.6 Adding a hook event</a></li> </ul> </li> -<li><a class="reference internal" href="#configuration-reference" id="id52">10 Configuration Reference</a><ul class="auto-toc"> -<li><a class="reference internal" href="#misc-options" id="id53">10.1 misc options</a></li> -<li><a class="reference internal" href="#overlay-options" id="id54">10.2 overlay options</a></li> -<li><a class="reference internal" href="#other-config-files" id="id55">10.3 other config files</a></li> -<li><a class="reference internal" href="#shell-environment-hooks" id="id56">10.4 shell environment / hooks</a></li> -<li><a class="reference internal" href="#logging" id="id57">10.5 logging</a><ul class="auto-toc"> -<li><a class="reference internal" href="#console-logging" id="id58">10.5.1 console logging</a></li> -<li><a class="reference internal" href="#file-logging" id="id59">10.5.2 file logging</a></li> +<li><a class="reference internal" href="#configuration-reference" id="id55">10 Configuration Reference</a><ul class="auto-toc"> +<li><a class="reference internal" href="#misc-options" id="id56">10.1 misc options</a></li> +<li><a class="reference internal" href="#overlay-options" id="id57">10.2 overlay options</a></li> +<li><a class="reference internal" href="#other-config-files" id="id58">10.3 other config files</a></li> +<li><a class="reference internal" href="#shell-environment-hooks" id="id59">10.4 shell environment / hooks</a></li> +<li><a class="reference internal" href="#logging" id="id60">10.5 logging</a><ul class="auto-toc"> +<li><a class="reference internal" href="#console-logging" id="id61">10.5.1 console logging</a></li> +<li><a class="reference internal" href="#file-logging" id="id62">10.5.2 file logging</a></li> </ul> </li> -<li><a class="reference internal" href="#options-for-debugging-manual-dependency-rule-creation-and-testing" id="id60">10.6 options for debugging, manual dependency rule creation and testing</a></li> +<li><a class="reference internal" href="#options-for-debugging-manual-dependency-rule-creation-and-testing" id="id63">10.6 options for debugging, manual dependency rule creation and testing</a></li> </ul> </li> -<li><a class="reference internal" href="#id3" id="id61">11 Other config files</a><ul class="auto-toc"> -<li><a class="reference internal" href="#use-expand-flag-rename-file" id="id62">11.1 USE_EXPAND flag rename file</a></li> -<li><a class="reference internal" href="#field-definition-config" id="id63">11.2 Field Definition Config</a><ul class="auto-toc"> -<li><a class="reference internal" href="#example-the-default-field-definition-file" id="id64">11.2.1 Example: The default field definition file</a></li> +<li><a class="reference internal" href="#id3" id="id64">11 Other config files</a><ul class="auto-toc"> +<li><a class="reference internal" href="#use-expand-flag-rename-file" id="id65">11.1 USE_EXPAND flag rename file</a></li> +<li><a class="reference internal" href="#field-definition-config" id="id66">11.2 Field Definition Config</a><ul class="auto-toc"> +<li><a class="reference internal" href="#example-the-default-field-definition-file" id="id67">11.2.1 Example: The default field definition file</a></li> </ul> </li> </ul> </li> -<li><a class="reference internal" href="#dependency-resolution-console" id="id65">12 Dependency Resolution Console</a></li> -<li><a class="reference internal" href="#roverlay-interface" id="id66">13 Roverlay Interface</a><ul class="auto-toc"> -<li><a class="reference internal" href="#depres-interface" id="id67">13.1 DepRes Interface</a></li> +<li><a class="reference internal" href="#id5" id="id68">12 Roverlay Console</a><ul class="auto-toc"> +<li><a class="reference internal" href="#dependency-resolution-console" id="id69">12.1 Dependency Resolution Console</a></li> </ul> </li> -<li><a class="reference internal" href="#implementation-overview" id="id68">14 Implementation Overview</a><ul class="auto-toc"> -<li><a class="reference internal" href="#packageinfo" id="id69">14.1 PackageInfo</a></li> -<li><a class="reference internal" href="#repository-management" id="id70">14.2 Repository Management</a><ul class="auto-toc"> -<li><a class="reference internal" href="#repository" id="id71">14.2.1 Repository</a><ul class="auto-toc"> -<li><a class="reference internal" href="#adding-new-repository-types" id="id72">14.2.1.1 Adding new repository types</a></li> +<li><a class="reference internal" href="#roverlay-interface" id="id70">13 Roverlay Interface</a><ul class="auto-toc"> +<li><a class="reference internal" href="#depres-interface" id="id71">13.1 DepRes Interface</a></li> +<li><a class="reference internal" href="#remote-interface" id="id72">13.2 Remote Interface</a></li> </ul> </li> +<li><a class="reference internal" href="#implementation-overview" id="id73">14 Implementation Overview</a><ul class="auto-toc"> +<li><a class="reference internal" href="#packageinfo" id="id74">14.1 PackageInfo</a></li> +<li><a class="reference internal" href="#repository-management" id="id75">14.2 Repository Management</a><ul class="auto-toc"> +<li><a class="reference internal" href="#repository" id="id76">14.2.1 Repository</a><ul class="auto-toc"> +<li><a class="reference internal" href="#adding-new-repository-types" id="id77">14.2.1.1 Adding new repository types</a></li> </ul> </li> -<li><a class="reference internal" href="#overlay" id="id73">14.3 Overlay</a><ul class="auto-toc"> -<li><a class="reference internal" href="#metadata-creation" id="id74">14.3.1 Metadata Creation</a></li> -<li><a class="reference internal" href="#manifest-creation" id="id75">14.3.2 Manifest Creation</a></li> </ul> </li> -<li><a class="reference internal" href="#ebuild-creation" id="id76">14.4 Ebuild Creation</a><ul class="auto-toc"> -<li><a class="reference internal" href="#ebuild-variables" id="id77">14.4.1 Ebuild Variables</a></li> +<li><a class="reference internal" href="#overlay" id="id78">14.3 Overlay</a><ul class="auto-toc"> +<li><a class="reference internal" href="#metadata-creation" id="id79">14.3.1 Metadata Creation</a></li> +<li><a class="reference internal" href="#manifest-creation" id="id80">14.3.2 Manifest Creation</a></li> </ul> </li> -<li><a class="reference internal" href="#overlay-creation" id="id78">14.5 Overlay Creation</a><ul class="auto-toc"> -<li><a class="reference internal" href="#selfdep-validation" id="id79">14.5.1 Selfdep Validation</a></li> +<li><a class="reference internal" href="#ebuild-creation" id="id81">14.4 Ebuild Creation</a><ul class="auto-toc"> +<li><a class="reference internal" href="#ebuild-variables" id="id82">14.4.1 Ebuild Variables</a></li> </ul> </li> -<li><a class="reference internal" href="#dependency-resolution" id="id80">14.6 Dependency Resolution</a><ul class="auto-toc"> -<li><a class="reference internal" href="#dependency-types" id="id81">14.6.1 Dependency types</a><ul class="auto-toc"> -<li><a class="reference internal" href="#description-file-dependency-fields" id="id82">14.6.1.1 DESCRIPTION file dependency fields</a></li> +<li><a class="reference internal" href="#overlay-creation" id="id83">14.5 Overlay Creation</a><ul class="auto-toc"> +<li><a class="reference internal" href="#selfdep-validation" id="id84">14.5.1 Selfdep Validation</a></li> </ul> </li> -<li><a class="reference internal" href="#dependency-environments" id="id83">14.6.2 Dependency Environments</a></li> -<li><a class="reference internal" href="#ebuildjob-channel" id="id84">14.6.3 EbuildJob Channel</a></li> -<li><a class="reference internal" href="#dependency-rule-pools" id="id85">14.6.4 Dependency Rule Pools</a></li> -<li><a class="reference internal" href="#dependency-resolver-modules" id="id86">14.6.5 Dependency Resolver Modules</a></li> -<li><a class="reference internal" href="#dependency-resolver" id="id87">14.6.6 Dependency Resolver</a></li> +<li><a class="reference internal" href="#dependency-resolution" id="id85">14.6 Dependency Resolution</a><ul class="auto-toc"> +<li><a class="reference internal" href="#dependency-types" id="id86">14.6.1 Dependency types</a><ul class="auto-toc"> +<li><a class="reference internal" href="#description-file-dependency-fields" id="id87">14.6.1.1 DESCRIPTION file dependency fields</a></li> +</ul> +</li> +<li><a class="reference internal" href="#dependency-environments" id="id88">14.6.2 Dependency Environments</a></li> +<li><a class="reference internal" href="#ebuildjob-channel" id="id89">14.6.3 EbuildJob Channel</a></li> +<li><a class="reference internal" href="#dependency-rule-pools" id="id90">14.6.4 Dependency Rule Pools</a></li> +<li><a class="reference internal" href="#dependency-resolver-modules" id="id91">14.6.5 Dependency Resolver Modules</a></li> +<li><a class="reference internal" href="#dependency-resolver" id="id92">14.6.6 Dependency Resolver</a></li> </ul> </li> </ul> @@ -848,6 +854,9 @@ This also tries to recreate the distmap.</td></tr> <kbd><span class="option">--no-incremental</span></kbd></td> </tr> <tr><td> </td><td>Force recreation of existing ebuilds</td></tr> +<tr><td class="option-group"> +<kbd><span class="option">--no-revbump</span></kbd></td> +<td>Disable revbump checks in incremental overlay creation mode</td></tr> <tr><td class="option-group" colspan="2"> <kbd><span class="option">--immediate-ebuild-writes</span></kbd></td> </tr> @@ -897,6 +906,9 @@ an overlay that is not suitable for production usage.</p> <kbd><span class="option">--no-write</span></kbd></td> <td>Disable overlay writing</td></tr> <tr><td class="option-group"> +<kbd><span class="option">--dump-stats</span></kbd></td> +<td>Print all stats</td></tr> +<tr><td class="option-group"> <kbd><span class="option">--show</span></kbd></td> <td>Print all ebuilds and metadata to console</td></tr> <tr><td class="option-group" colspan="2"> @@ -956,6 +968,35 @@ to symbolic links if hard links are not supported. This should be fine in most cases, but fine-tuning can be done via <a class="reference internal" href="#overlay-distdir-strategy">OVERLAY_DISTDIR_STRATEGY</a> and <a class="reference internal" href="#overlay-distdir-flat">OVERLAY_DISTDIR_FLAT</a>.</p> </div> +<div class="section" id="roverlay-helpers"> +<h2><a class="toc-backref" href="#contents">3.4 roverlay helpers</a></h2> +<p>An installation of roverlay includes some helper programs:</p> +<dl class="docutils"> +<dt><em>roverlay-sh</em></dt> +<dd><p class="first">a wrapper around /bin/sh that runs a shell or shell script in roverlay's +<a class="reference internal" href="#hook-environment">hook environment</a>.</p> +<p>roverlay-related scripts can use it to automatically inherit roverlay's +config and <tt class="docutils literal">$FUNCTIONS</tt> file:</p> +<pre class="code sh literal-block"> +<span class="comment">#!/usr/bin/roverlay-sh +</span> +<span class="comment"># reset DEBUG, VERBOSE, QUIET +</span><span class="name variable">DEBUG</span><span class="operator">=</span>n; <span class="name variable">QUIET</span><span class="operator">=</span>n; <span class="name variable">VERBOSE</span><span class="operator">=</span>y + +<span class="comment"># load the functions file (optional) +</span>. <span class="literal string double">"${FUNCTIONS?}"</span> <span class="operator">||</span> <span class="name builtin">exit</span> + +<span class="comment"># script body +</span><span class="name builtin">true</span> +</pre> +<p class="last"><<TODO: maybe there's a better place for the details>></p> +</dd> +<dt><em>name_is_todo--roverlay_creation_helper</em></dt> +<dd><<TODO>> +Safely runs overlay creation <<and $$afterwards>>. +Suitable for being run as cron job.</dd> +</dl> +</div> </div> <div class="section" id="basic-implementation-overview"> <h1><a class="toc-backref" href="#contents">4 Basic Implementation Overview</a></h1> @@ -1792,7 +1833,7 @@ as <em>sci-R/zoo</em>. This rule can be written as a single word, <em>zoo</em>.< Each package rule consists of conditions, e.g. <em>package name contains amd64</em>, and actions, e.g. <em>set KEYWORDS="-x86 amd64"</em>. The actions of a rule will only be applied if a package meets all conditions, -otherwise the rule does nothing. +otherwise the rule applies alternative actions (if defined) or does nothing. Moreover, rules can contain further rules which will only take effect if all enclosing rules match a given package.</p> <div class="section" id="package-rule-file-syntax"> @@ -1800,10 +1841,13 @@ enclosing rules match a given package.</p> <p>As stated above, each rule has two parts, a <em>match block</em> that lists the rule's conditions and an <em>action block</em> that defines which actions and nested rules are applied to a package if the rule matches it, i.e. if all -conditions are met.</p> +conditions are met. A rule can also contain an <em>alternative action block</em> +whose actions are applied to a package if the rule does not match it.</p> <p>A rule file contains zero or more package rules. -Each rule has to declare one <em>match</em> and one <em>action statement</em> at least. -The basic syntax for a rule with 1..m <em>match</em> and 1..n <em>action statements</em> is</p> +Each rule has to declare one <em>match</em> and one +<em>[alternative] action statement</em> at least. +The basic syntax for a rule with 1..m <em>match</em>, 1..n <em>action statements</em> and +1..k <em>alternative action statements</em> is</p> <pre class="code literal-block"> MATCH: <match statement 1> @@ -1815,13 +1859,20 @@ ACTION: <action statement 2> ... <action statement n> +ELSE: + <alternative action statement 1> + <alternative action statement 2> + ... + <alternative action statement k> END; </pre> <p>A rule is introduced by the <tt class="docutils literal">MATCH:</tt> keyword, which starts the <em>match block</em> and is followed by one or more <em>match statements</em>, one per line. The <em>match block</em> ends with the <tt class="docutils literal">ACTION:</tt> keyword, which also starts the <em>action block</em> and is followed by one or more <em>action statements</em> -(again, one per line). Finally, the rule is terminated by the <tt class="docutils literal">END;</tt> keyword.</p> +(again, one per line). The <em>alternative action block</em> introduced by the +<tt class="docutils literal">ELSE:</tt> keyword is optional and lists <em>action statements</em>. +Finally, the rule is terminated by the <tt class="docutils literal">END;</tt> keyword.</p> <p>Indention is purely optional, leading and ending whitespace will be discarded. Lines starting with <tt class="docutils literal">#</tt> or <tt class="docutils literal">;</tt> are considered to be comments and will be ignored.</p> @@ -2119,6 +2170,15 @@ statements</td> <tr><td>rename_<key></td> <td>1</td> </tr> +<tr><td>null</td> +<td rowspan="2"><em>n/a</em></td> +<td rowspan="2">none</td> +<td rowspan="2">does nothing +(can be used for +readability)</td> +</tr> +<tr><td>pass</td> +</tr> </tbody> </table> <p>The two-arg form of the set/rename keywords expect a <key> as first and @@ -2190,6 +2250,19 @@ ACTION: END; # top-level rule, action block continues ... +ELSE: + # top-level rule, alternative action block + ... + MATCH: + # (alternative) nested rule, match block + ... + ACTION: + # (alternative) nested rule, action block + ... + ELSE: + # (alternative) nested rule, alternative action block + ... + END; END; </pre> <p>Rules can be nested indefinitely, whitespace indention is optional. @@ -2201,13 +2274,19 @@ checks necessary for a given package.</p> <div class="section" id="package-rule-examples"> <h3><a class="toc-backref" href="#contents">8.1.3 Package Rule Examples</a></h3> <p>A rule that ignores the 'yaqcaffy' package from CRAN, which is also available -from BIOC:</p> +from BIOC. Additionally, it sets the category for all non-ignored packages +from CRAN to sci-CRAN:</p> <pre class="code literal-block"> MATCH: - repo == CRAN - package_name == yaqcaffy + repo CRAN ACTION: - do-not-process + MATCH: + package_name == yaqcaffy + ACTION: + do-not-process + ELSE: + set category sci-CRAN + END; END; </pre> <p>A more complex example that sets the <tt class="docutils literal">KEYWORDS</tt> ebuild variable for @@ -2219,11 +2298,12 @@ MATCH: * package_name ~ x86_64 * package_name ~ amd64 ACTION: - keywords "-x86 amd64" MATCH: repo == BIOC/experiment ACTION: keywords "-x86 ~amd64" + ELSE: + keywords "-x86 amd64" END; END; </pre> @@ -2258,6 +2338,13 @@ ACTION: rename_destfile s=^=R-package/= END; </pre> +<div class="hint"> +<p class="first admonition-title">Hint</p> +<p class="last"><tt class="docutils literal">roverlay <span class="pre">[--nosync]</span> <span class="pre">[--dump-file</span> <file>] apply_rules</tt> can be used to +test rules. It applies the rules to all packages without running overlay +creation. Furthermore, <tt class="docutils literal">roverlay <span class="pre">--ppr</span></tt> parses the package rules, +prints them and exits afterwards.</p> +</div> </div> </div> </div> @@ -2389,16 +2476,30 @@ the config file. An empty string sets the policy to <em>deny all</em>.</p> <td>event</td> <td>event that caused the script to run</td> </tr> +<tr><td>HAS_CHANGES</td> +<td><em>internal</em></td> +<td>a shbool (<tt class="docutils literal">y</tt> or <tt class="docutils literal">n</tt>) that +indicates whether the overlay has +any changes</td> +</tr> +<tr><td>OVERLAY_NAME</td> +<td>config</td> +<td>name of the overlay</td> +</tr> <tr><td>OVERLAY</td> <td>config</td> -<td rowspan="3">overlay directory (<a class="reference internal" href="#overlay-dir">OVERLAY_DIR</a>), -initial working directory</td> +<td rowspan="2">overlay directory (<a class="reference internal" href="#overlay-dir">OVERLAY_DIR</a>),</td> </tr> <tr><td>S</td> <td><em>$OVERLAY</em></td> </tr> <tr><td>PWD</td> -<td><em>$OVERLAY</em></td> +<td><em>$OVERLAY</em> +<em>$ROVERLAY_PHASE</em></td> +<td><p class="first">initial working directory</p> +<p class="last">depends on $ROVERLAY_PHASE (usually set +to $OVERLAY or left unchanged)</p> +</td> </tr> <tr><td>DISTROOT</td> <td>config</td> @@ -2421,6 +2522,11 @@ initial working directory</td> <tr><td>FILESDIR</td> <td><em>$ADDITIONS_DIR</em></td> </tr> +<tr><td>WORKDIR</td> +<td>config</td> +<td>directory for work data +(<a class="reference internal" href="#cachedir">CACHEDIR</a>)</td> +</tr> <tr><td>SHLIB</td> <td><em>$ADDITIONS_DIR</em>, <em>installed?</em></td> @@ -2434,6 +2540,30 @@ function files <td>file with essential shell functions (optional, only set if it exists)</td> </tr> +<tr><td>DATADIR</td> +<td><em>installed?</em></td> +<td>location of installed data files +(directory, usually +<em>/usr/share/roverlay</em>)</td> +</tr> +<tr><td>ROVERLAY_HELPER_EXE</td> +<td>sys.argv</td> +<td>path to the roverlay executable that +created the hook environment +(usually <em>/usr/bin/roverlay</em> or +<em>/usr/bin/roverlay-sh</em>)</td> +</tr> +<tr><td>ROVERLAY_EXE</td> +<td>guessed, +<em>$ROVERLAY_HELPER_EXE</em></td> +<td>guessed path to the roverlay "main" +executable (which creates the overlay)</td> +</tr> +<tr><td>STATS_DB</td> +<td>config</td> +<td>stats database file +(optional, only set if configured)</td> +</tr> <tr><td>DEBUG</td> <td>log level</td> <td><em>shbool</em> (<tt class="docutils literal">y</tt> or <tt class="docutils literal">n</tt>) that @@ -2628,8 +2758,39 @@ They should, however, not execute any code directly.</p> </pre> <p>Shell function files should be put into <tt class="docutils literal"><span class="pre"><ADDITIONS_DIR>/shlib</span></tt>.</p> </div> +<div class="section" id="hook-event-table"> +<h2><a class="toc-backref" href="#contents">9.5 Hook event table</a></h2> +<p>The following table lists all known events (<tt class="docutils literal">ROVERLAY_PHASE</tt>):</p> +<table border="1" class="docutils"> +<colgroup> +<col width="25%" /> +<col width="36%" /> +<col width="39%" /> +</colgroup> +<thead valign="bottom"> +<tr><th class="head">name</th> +<th class="head">initial working directory</th> +<th class="head">description</th> +</tr> +</thead> +<tbody valign="top"> +<tr><td>overlay_success</td> +<td><em>$OVERLAY</em></td> +<td>overlay creation succeeded</td> +</tr> +<tr><td>db_written</td> +<td><em>$OVERLAY</em></td> +<td>stats database file written</td> +</tr> +<tr><td>user</td> +<td>unchanged</td> +<td>user-triggered event</td> +</tr> +</tbody> +</table> +</div> <div class="section" id="adding-a-hook-event"> -<h2><a class="toc-backref" href="#contents">9.5 Adding a hook event</a></h2> +<h2><a class="toc-backref" href="#contents">9.6 Adding a hook event</a></h2> <p>Adding a new event has to be done in <em>roverlay's</em> source code and is a rather trivial task. The <tt class="docutils literal">roverlay.hook</tt> module implements a function for running the event script:</p> @@ -2940,6 +3101,13 @@ writing.</p> </div> </dd> </dl> +<dl class="docutils" id="overlay-masters"> +<dt>OVERLAY_MASTERS</dt> +<dd><p class="first">A list of repo names that are used as 'masters' attribute when generating +<tt class="docutils literal"><span class="pre"><overlay>/metadata/layout.conf</span></tt>.</p> +<p class="last">Defaults to "gentoo".</p> +</dd> +</dl> <dl class="docutils" id="overlay-name"> <dt>OVERLAY_NAME</dt> <dd><p class="first">Sets the name of the created overlay that will be written into @@ -3277,9 +3445,9 @@ as flag.</dd> <dl class="docutils" id="field-flag-joinvalues"> <dt>joinValues</dt> <dd>Declares that a field's value is one string even if it spans over -multiple lines. -The lines will be joined with a single space character ' '. -The default behavior is to merge lines.</dd> +multiple lines. The lines will be joined with a single space +character ' '. The default behavior is to merge lines. +This flag can be used in conjunction with any "is list" flag.</dd> </dl> <dl class="docutils" id="field-flag-islist"> <dt>isList</dt> @@ -3350,17 +3518,31 @@ such a field is found.</dd> <span class="keyword">[OS_Type]</span> <span class="name attribute">alias_nocase</span> <span class="operator">=</span> <span class="literal string">OS_TYPE</span> <span class="name attribute">allowed_values</span> <span class="operator">=</span> <span class="literal string">unix</span> + +<span class="keyword">[License]</span> +<span class="name attribute">alias_nocase</span> <span class="operator">=</span> <span class="literal string">License, Licence, Lisence</span> +<span class="error">isLicense</span> </pre> </div> </div> </div> +<div class="section" id="id5"> +<span id="roverlay-console"></span><h1><a class="toc-backref" href="#contents">12 Roverlay Console</a></h1> +<p><<section is TODO>></p> +<p><<links to depres console chapter may need to be fixed>></p> +<p><<basic commands, table>></p> +<p><<note regarding python -OO and missing help texts>></p> <div class="section" id="dependency-resolution-console"> -<span id="depres-console"></span><h1><a class="toc-backref" href="#contents">12 Dependency Resolution Console</a></h1> +<span id="depres-console"></span><h2><a class="toc-backref" href="#contents">12.1 Dependency Resolution Console</a></h2> +<div class="warning"> +<p class="first admonition-title">Warning</p> +<p class="last">This section is out-of-date.</p> +</div> <p>As previously stated, the <em>DepRes Console</em> is only meant for <strong>testing</strong>. It is an interactive console with the following features:</p> <ul class="simple"> <li>resolve dependencies</li> -<li>create new dependency rules (<strong>only single line rules</strong>)</li> +<li>create new dependency rules</li> <li>create dependency rules for each R package found in a directory</li> <li>load rules from files</li> <li>save rules to a file</li> @@ -3371,6 +3553,7 @@ to create or remove them easily at runtime.</p> <p>Running <tt class="docutils literal">roverlay depres_console</tt> will print a welcome message that lists all available commands and a few usage hints.</p> <p>For reference, these commands are currently available:</p> +<p><<TODO: rewrite/update command table, it's out-of-date>></p> <table border="1" class="docutils"> <colgroup> <col width="29%" /> @@ -3383,13 +3566,9 @@ lists all available commands and a few usage hints.</p> </thead> <tbody valign="top"> <tr><td>help, -h</td> +h, ?</td> <td>lists all commands</td> </tr> -<tr><td>help --list, -h --list</td> -<td>lists all help topics for which help is available</td> -</tr> <tr><td>help <em><cmd></em>, h <em><cmd></em></td> <td>prints a command-specific help message</td> @@ -3404,65 +3583,78 @@ lc</td> <td>loads the rule files listed in the config file into a new <em>rule pool</em></td> </tr> -<tr><td>addrule <em><rule></em> +<tr><td>add_rule <em><rule></em> + <em><rule></em></td> <td>creates a new rule and adds it to the topmost, i.e. latest <em>rule pool</em>. This command uses -<a class="reference internal" href="#rule-file-syntax">Rule File Syntax</a>, but multi line rules are -not supported.</td> +<a class="reference internal" href="#rule-file-syntax">Rule File Syntax</a>. Multi line rules are +supported.</td> </tr> <tr><td>add_pool, <<</td> <td>creates a new <em>rule pool</em></td> </tr> -<tr><td>unwind, +<tr><td>unwind_pool, >></td> <td>removes the topmost <em>rule pool</em> and all of its rules</td> </tr> <tr><td>resolve <em><dep></em>, -? <em><dep></em></td> +?? <em><dep></em></td> <td>tries to resolve the given dependency string and prints the result</td> </tr> +<tr><td>!</td> +<td>enter the resolve <em>command chroot</em> +all input will be prefixed with "resolve"</td> +</tr> +<tr><td>!!</td> +<td>leave any <em>command chroot</em></td> +</tr> <tr><td>print, p</td> <td>prints the rules of the topmost <em>rule pool</em></td> </tr> -<tr><td>print all, p all</td> +<tr><td>print --all|-a</td> <td>prints the rules of all <em>rule pools</em></td> </tr> +<tr><td>print <id> [<id>..]</td> +<td>prints the rules of a specific <em>rule pool</em></td> +</tr> <tr><td>write <em><file></em>, w <em><file></em></td> <td>writes the rules of the topmost <em>rule pool</em> into -<em><file></em></td> +<em><file></em>. See write --help for advanced usage.</td> </tr> <tr><td>cd <em><dir></em></td> -<td>changes the working directory, also creates it if -necessary</td> +<td>changes the working directory +This is a virtual command. <<TODO:EXPLAIN>></td> +</tr> +<tr><td>set VAR=VALUE</td> +<td>set variables</td> </tr> -<tr><td>scandir <em><dir></em>, -sd <em><dir></em></td> -<td>creates dependency rules for each R package found -in <em><dir></em></td> +<tr><td>unset VAR</td> +<td>unset variables</td> </tr> -<tr><td>set, unset</td> -<td>prints the status of currently (in)active modes</td> +<tr><td>declare</td> +<td>show declared variables</td> </tr> -<tr><td>set <em><mode></em>, -unset <em><mode></em></td> -<td>sets or unsets <em><mode></em>. There is only one mode to -control, the <em>shlex mode</em> which controls how -command arguments are parsed</td> +<tr><td>alias</td> +<td>show command aliases</td> </tr> -<tr><td>mkhelp</td> -<td>verifies that each accessible command has a help -message</td> +<tr><td>unalias</td> +<td>reserved for future usage</td> </tr> <tr><td>exit, qq, q</td> <td>exits the <em>DepRes Console</em></td> </tr> </tbody> </table> +<div class="note"> +<p class="first admonition-title">Note</p> +<p class="last">Some commands also offer more detailed help via <tt class="docutils literal"><command> <span class="pre">--help</span></tt>.</p> +</div> +<p><<TODO>></p> +<p><<Example Session is out-of-date>></p> <dl class="docutils"> <dt>Example Session:</dt> <dd><pre class="code first last literal-block"> @@ -3512,6 +3704,7 @@ cmd % exit </dd> </dl> </div> +</div> <div class="section" id="roverlay-interface"> <h1><a class="toc-backref" href="#contents">13 Roverlay Interface</a></h1> <p>Roverlay provides an API for accessing its functionality independently of @@ -3547,6 +3740,10 @@ initialization</td> <td>roverlay.interface.depres</td> <td>dependency resolution</td> </tr> +<tr><td>RemoteInterface</td> +<td>roverlay.interface.remote</td> +<td>remote interaction (sync)</td> +</tr> </tbody> </table> <p>For extending the API, roverlay provides the abstract <em>RoverlayInterface</em> and @@ -3572,9 +3769,13 @@ and <em>cannot_resolve()</em></li> also possible</li> </ul> <p>Refer to in-code documentation on how to use this interface. -See the dependency resolution test suite for a usage example -(<tt class="docutils literal">tests.depres</tt>, not part of the roverlay installation). -(The depres console is also a candidate for using this interface in future.)</p> +See the dependency resolution test suite (<tt class="docutils literal">tests.depres</tt>, not part of the +roverlay installation) and the dependency resolution console +for usage examples.</p> +</div> +<div class="section" id="remote-interface"> +<h2><a class="toc-backref" href="#contents">13.2 Remote Interface</a></h2> +<p><<TODO; this interface isn't mature enough yet (it will likely change in future)>></p> </div> </div> <div class="section" id="implementation-overview"> @@ -4114,7 +4315,7 @@ becomes "loop until resolver closes".</p> </div> <div class="footer"> <hr class="footer" /> -Generated on: 2013-07-23. +Generated on: 2013-08-02. </div> </body> |