feat: implement rss generation (#130)

package/share/ahriman/settings/ahriman.ini

@@ -17,7 +17,7 @@ mirror = https://geo.mirror.pkgbuild.com/$repo/os/$arch
 repositories = core extra multilib
 ; Pacman's root directory. In the most cases it must point to the system root.
 root = /
-; Sync files databases too, which is required by deep dependencies check
+; Sync files databases too, which is required by deep dependencies check.
 sync_files_database = yes
 ; Use local packages cache. If this option is enabled, the service will be able to synchronize databases (available
 ; as additional option for some subcommands). If set to no, databases must be synchronized manually.
@@ -52,17 +52,17 @@ allow_read_only = yes
 [build]
 ; List of additional flags passed to archbuild command.
 ;archbuild_flags =
-; Path to build command
+; Path to build command.
 ;build_command =
 ; List of packages to be ignored during automatic updates.
 ;ignore_packages =
-; Include debug packages
+; Include debug packages.
 ;include_debug_packages = yes
 ; List of additional flags passed to makechrootpkg command.
 ;makechrootpkg_flags =
 ; List of additional flags passed to makepkg command.
 makepkg_flags = --nocolor --ignorearch
-; List of paths to be used for implicit dependency scan. Regular expressions are supported
+; List of paths to be used for implicit dependency scan. Regular expressions are supported.
 scan_paths = ^usr/lib(?!/cmake).*$
 ; List of enabled triggers in the order of calls.
 triggers = ahriman.core.gitremote.RemotePullTrigger ahriman.core.report.ReportTrigger ahriman.core.upload.UploadTrigger ahriman.core.gitremote.RemotePushTrigger
@@ -212,14 +212,14 @@ target = console
 
 ; Console reporting trigger configuration sample.
 [console]
-; Trigger type name
+; Trigger type name.
 ;type = console
 ; Use utf8 symbols in output.
 use_utf = yes
 
 ; Email reporting trigger configuration sample.
 [email]
-; Trigger type name
+; Trigger type name.
 ;type = email
 ; Optional URL to the repository homepage.
 ;homepage=
@@ -235,6 +235,8 @@ use_utf = yes
 ;port =
 ; List of emails to receive the reports.
 ;receivers =
+; Optional link to the RSS feed.
+;rss_url =
 ; Sender email.
 ;sender =
 ; SMTP server SSL mode, one of ssl, starttls, disabled.
@@ -250,7 +252,7 @@ templates = /usr/share/ahriman/templates
 
 ; HTML reporting trigger configuration sample.
 [html]
-; Trigger type name
+; Trigger type name.
 ;type = html
 ; Optional URL to the repository homepage.
 ;homepage=
@@ -258,6 +260,8 @@ templates = /usr/share/ahriman/templates
 ;link_path =
 ; Output path for the HTML report.
 ;path =
+; Optional link to the RSS feed.
+;rss_url =
 ; Template name to be used.
 template = repo-index.jinja2
 ; List of directories with templates.
@@ -265,7 +269,7 @@ templates = /usr/share/ahriman/templates
 
 ; Remote service callback trigger configuration sample.
 [remote-call]
-; Trigger type name
+; Trigger type name.
 ;type = remote-call
 ; Call for AUR packages update.
 ;aur = no
@@ -276,9 +280,26 @@ templates = /usr/share/ahriman/templates
 ; Wait until remote process will be terminated in seconds.
 ;wait_timeout = -1
 
+; RSS reporting trigger configuration sample.
+[rss]
+; Trigger type name.
+;type = rss
+; Optional URL to the repository homepage.
+;homepage=
+; Prefix for packages links. Link to a package will be formed as link_path / filename.
+;link_path =
+; Output path for the RSS report.
+;path =
+; Optional link to the RSS feed.
+;rss_url =
+; Template name to be used.
+template = rss.jinja2
+; List of directories with templates.
+templates = /usr/share/ahriman/templates
+
 ; Telegram reporting trigger configuration sample.
 [telegram]
-; Trigger type name
+; Trigger type name.
 ;type = telegram
 ; Telegram bot API key.
 ;api_key =
@@ -288,6 +309,8 @@ templates = /usr/share/ahriman/templates
 ;homepage=
 ; Prefix for packages links. Link to a package will be formed as link_path / filename.
 ;link_path =
+; Optional link to the RSS feed.
+;rss_url =
 ; Template name to be used.
 template = telegram-index.jinja2
 ; Telegram specific template mode, one of MarkdownV2, HTML or Markdown.
@@ -304,7 +327,7 @@ target =
 
 ; GitHub upload trigger configuration sample.
 [github]
-; Trigger type name
+; Trigger type name.
 ;type = github
 ; GitHub repository owner username.
 ;owner =
@@ -321,14 +344,14 @@ target =
 
 ; Remote instance upload trigger configuration sample.
 [remote-service]
-; Trigger type name
+; Trigger type name.
 ;type = remote-service
 ; HTTP request timeout in seconds.
 ;timeout = 30
 
 ; rsync upload trigger configuration sample.
 [rsync]
-; Trigger type name
+; Trigger type name.
 ;type = rsync
 ; rsync command to run.
 command = rsync --archive --compress --partial --delete
@@ -338,7 +361,7 @@ command = rsync --archive --compress --partial --delete
 
 ; S3 upload trigger configuration sample.
 [s3]
-; Trigger type name
+; Trigger type name.
 ;type = s3
 ; AWS services access key.
 ;access_key =

package/share/ahriman/templates/repo-index.jinja2

@@ -7,6 +7,10 @@
 
         {% include "utils/style.jinja2" %}
         {% include "user-style.jinja2" ignore missing %}
+
+        {% if rss_url is not none %}
+            <link rel="alternate" href="{{ rss_url }}" type="application/rss+xml">
+        {% endif %}
     </head>
 
     <body>

package/share/ahriman/templates/rss.jinja2

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
+    <channel>
+        <title>{{ repository }}: Recent package updates</title>
+        {% if homepage is not none %}
+            <link>{{ homepage }}</link>
+        {% endif %}
+        <description>Recently updated packages in the {{ repository }}.</description>
+        {% if rss_url is not none %}
+            <atom:link href="{{ rss_url }}" rel="self"/>
+        {% endif %}
+        <language>en-us</language>
+        <lastBuildDate>{{ last_update }}</lastBuildDate>
+
+        {% for package in packages %}
+            <item>
+                <title>{{ package.name }} {{ package.version }} {{ package.architecture }}</title>
+                <link>{{ link_path }}/{{ package.filename }}</link>
+                <description>{{ package.description }}</description>
+                <pubDate>{{ package.build_date }}</pubDate>
+                <guid isPermaLink="false">{{ package.tag }}</guid>
+                <category>{{ repository }}</category>
+                <category>{{ package.architecture }}</category>
+            </item>
+        {% endfor %}
+    </channel>
+</rss>