7 files changed, 124 insertions(+), 7 deletions(-)

M .woodpecker.yml
M build.sh
R el/gruvbox.theme => templates/gruvbox.theme
R el/html.template => templates/page.html
A templates/rss-footer.xml
A templates/rss-header.xml
A templates/rss-post.xml

@@ 1,14 1,15 @@
+---
 pipeline:
   # build static content
   build:
     image: alpine
     commands:
-      - apk add sed pandoc
-      - sh ./build.sh
+      - apk add bash sed pandoc
+      - bash ./build.sh https://ccw.icu
   # publish content
   publish:
     image: alpine
-    secrets: [ deploy_pass ]
+    secrets: [deploy_pass]
     commands:
       - apk add rsync
       - export RSYNC_PASSWORD="$${DEPLOY_PASS}"

@@ 1,13 1,17 @@
 #!/bin/bash
 # depends: pandoc, sed, awk
 
+host="${1:-https://example.com}"
 root="$(dirname $0)"
 srcdir="$root/src"
 assetdir="$root/res"
+eldir="$root/el"
+templatedir="$root/templates"
 builddir="$root/build"
+feedsdir="$srcdir/feeds"
 
 # pandoc syntax highlighting theme
-pandocTheme="./el/gruvbox.theme"
+pandocTheme="$templatedir/gruvbox.theme"
 # pandoc export target
 pandocTarget="html5"
 pandocTargetExtension="html"


@@ 24,7 28,9 @@ function convertOrg() {
             -t $pandocTarget \
             -c '/base.css' \
             --toc --toc-depth=1 \
-            --template ./el/html.template \
+            -V postlink="$3" \
+            -M date-meta="$4" \
+            --template $2 \
             --highlight-style="$pandocTheme" \
             - |
         # pandoc does not autoreplace the ->.org links,


@@ 42,12 48,23 @@ mkdir -p $builddir
 cp $assetdir/* -r $builddir
 
 prefix="s/^$(echo $srcdir | sed 's/\//\\\//')\///"
-
 # loop through all source files
 find $srcdir -type f | \
     # remove leading $srcdir
     sed "$prefix" | \
+    # create a publishing date + path id to sort the posts
     while read file; do
+        ts="$(cat $srcdir/$file | \
+            grep -E '#\+DATE: <([^<>]+)>' | \
+            sed -r 's/#\+DATE: <([^<>]+)>/\1/' | \
+            head -n 1)"
+        echo "$ts;$file"
+    done | \
+    # sort the posts by date
+    sort -r | \
+    while read mark; do
+        file="$(echo $mark | awk -F';' '{ print $2 }')"
+        ts="$(echo $mark | awk -F';' '{ print $1 }')"
         # initialise builddir path
         mkdir -p "$(dirname "$builddir/$file")"
 


@@ 58,10 75,88 @@ find $srcdir -type f | \
             newName="$(echo $file | sed "s/\.org$/\.$pandocTargetExtension/")"
             echo $newName
             # me need to convert .org files
-            convertOrg $srcdir/$file \
+            convertOrg $srcdir/$file $templatedir/page.html \
                 > $builddir/$newName
+
+            if [ ! "$(basename $file)" = "index.org" ] && [ ! "$ts" = "" ]; then
+                root="$(echo $file | awk -F'/' '{ print $1 }')"
+                if [ $root = "feeds" ]; then
+                    # is a blog post
+                    # so we have to generate an rss feed compatible version
+
+                    # id of the subfeed
+                    feed="$(echo $file | awk -F'/' '{ print $2 }')"
+
+                    filename=$(basename $file | sed -r 's/org$/html/')
+                    cont="$(convertOrg \
+                        $srcdir/$file \
+                        $templatedir/rss-post.xml \
+                        $host/feeds/$feed/$filename \
+                        $ts
+                        )"
+
+                    echo "$cont" >> $builddir/feeds/rss
+                    echo "$cont" >> $builddir/feeds/$feed/rss
+                fi
+            fi
         else
             # all other files can just be copied to the build dir
             cp $srcdir/$file $builddir/$file
         fi
     done
+
+# RSS FEED
+function read_arg() {
+    file=$1
+    arg=$2
+
+    reg="#\+$arg: ([^\n]+)"
+
+    # print file
+    cat $1 | \
+        # only select lines with a reasonable beginning
+        grep -E "$reg" | \
+            # only use the first entry
+        head -n 1 | \
+            # extract the text
+        sed -r "s/$reg/\1/"
+}
+function escape() {
+    echo $1 | \
+        sed -r 's/\//\\\//g' | \
+        sed -r 's/\./\\\./g'
+}
+rssheader="$(cat $templatedir/rss-header.xml)"
+rssfooter="$(cat $templatedir/rss-footer.xml)"
+# list all feeds
+find $feedsdir -type d -maxdepth 1 | \
+    # remove ugly prefixes
+    sed "$prefix" |
+    # loop over feeds
+    while read feed; do
+        rsspath="$builddir/$feed/rss"
+        infopath="$srcdir/$feed/index.org"
+        webpath="$host/$feed/index.html"
+
+        # only publish rss feeds with at least one post
+        if [ -f $rsspath ]; then
+            rsscont="$(cat $rsspath)"
+
+            title="$(read_arg $infopath TITLE)"
+            description="$(read_arg $infopath DESCRIPTION)"
+
+            # overwrite file with header
+            echo "$rssheader" | \
+                # replace weblink
+                sed -r "s/\\\$host\\\$/$(escape "$webpath")/g" | \
+                # replace feed title
+                sed -r "s/\\\$title\\\$/$(escape "$title")/g" | \
+                # replace feed description
+                sed -r "s/\\\$description\\\$/$(escape "$description")/g" \
+                > $rsspath
+            # add content back to feed
+            echo "$rsscont" >> $rsspath
+            # close missing tags
+            echo "$rssfooter" >> $rsspath
+        fi
+    done

@@ 0,0 1,2 @@
+  </channel>
+</rss>

@@ 0,0 1,6 @@
+<rss version="2.0">
+  <channel>
+    <title>$title$</title>
+    <description>$description$</description>
+    <link>$host$</link>
+    <generator>pandoc + bash script</generator>

@@ 0,0 1,13 @@
+    <item>
+      <title>$if(title-prefix)$$title-prefix$ - $endif$$pagetitle$</title>
+      <description>
+        $body$
+      </description>
+      <link>
+        $postlink$
+      </link>
+      <guid>
+        $postlink$
+      </guid>
+      <pubDate>$date-meta$</pubDate>
+    </item>