added latest blog post

src/posts/0008-further-blog-changes/index.org

@@ -9,9 +9,11 @@
 When I started this new blog, I wanted to find something minimal to be able
 to minimize my natural tendency to hack my blogging system.
 
-So regarding my blog, I put a lot more time working on the system than
-writting things.
-Still I enjoyed some choices.
+Clearly it was a failure :), =org-publish= ecosystem is not easy enough to
+handle all my needs, so I had to hack a few external scripts.
+In particular regarding RSS.
+
+Here are a few recent changes I did in my system:
 
 1. I changed how I reduce the size of the images.
 2. I do not merge all CSS styles in the same CSS file, I splitted 4
@@ -24,16 +26,184 @@ Still I enjoyed some choices.
 So to compress the images I use:
 
 #+begin_src bash
-~/.nix-profile/bin/convert src.jpg -resize 400x400\> -colorspace Gray -ordered-dither o8x8,8 dst.jpg
+convert src.jpg \
+        -resize 400x400\> \
+        -colorspace Gray \
+        -ordered-dither o8x8,8 \
+        dst.jpg
 #+end_src
 
-I have 4 themes, this is a lot too much, but, I don't know I guess I felt
-inspired.
+Somehow, I made 4 themes.
+This is too much, but, I don't know I guess I felt inspired.
 I'm particularly proud of the matrix theme (sci dark, try it by selecting
-sci and then choose dark theme). It takes care of making the images green.
+sci and then choose dark theme).
+It takes care of making the images green, and inspired by this one I also
+added this trick to all other themes.
 
-One of the theme is a minimal one, it is used to minimize the size of the
-CSS, while I'm writting those lines, the css size is 728 bytes.
+To note, one of the theme is a minimal one.
+It is used to minimize the size of the CSS, while I'm writting those lines,
+the css size is 728 bytes.
 
 I'll certainly be able to optimize a lot more the size of my HTML files too.
-But I haven't invested much time in it yet.
+But I haven't invested much time in it yet. I just use the =minify= command
+line tool for them.
+
+So right now to build my website here is the script I use:
+
+#+NAME: build.sh
+#+begin_src bash
+#!/usr/bin/env bash
+
+# build the files via emacs
+emacs \
+  --load project.el \
+  --eval "(progn (org-publish \"blog\" t) (evil-quit))"
+
+echo "Optim HTML size"
+./optim-html.sh
+echo "Gen themes clones"
+./dup-for-themes.sh
+echo "Update file size"
+./update-file-size.sh
+echo "Building RSS"
+./mkrss.sh
+echo "RSS Built"
+#+end_src
+
+Where
+
+#+NAME: optim-html.sh
+#+begin_src bash
+#!/usr/bin/env nix-shell
+#!nix-shell -i zsh
+#!nix-shell -I nixpkgs="https://github.com/NixOS/nixpkgs/archive/19.09.tar.gz"
+
+webdir="_site"
+
+debug () {
+ print -- $* >/dev/null
+}
+
+type -a filelist
+setopt extendedglob
+if (($#>0)); then
+    filelist=( $* )
+else
+    filelist=( $webdir/**/*.html(.) )
+fi
+
+tmp=$(mktemp)
+
+for fic in $filelist; do
+    if echo $fic|egrep -- '-(mk|min|sci|modern).html$'>/dev/null; then
+        continue
+    fi
+    print -n -- "$fic "
+    cp $fic $tmp; minify --mime text/html $tmp > $fic
+    print "[OK]"
+done
+#+end_src
+
+#+name: dup-for-themes.sh
+#+begin_src bash
+#!/usr/bin/env nix-shell
+#!nix-shell -i zsh
+#!nix-shell -I nixpkgs="https://github.com/NixOS/nixpkgs/archive/19.09.tar.gz"
+
+webdir="_site"
+
+debug () {
+ print -- $* >/dev/null
+}
+
+if (($#>0)); then
+    filelist=( $* )
+else
+    filelist=( $webdir/**/*.html(.) )
+fi
+
+trans(){
+   local suff=$1;
+   local fic=$2;
+   cat $fic | perl -p -e 's#href="?/css/mk.css"?#href=/css/'$suff'.css#;s#(/?(index|archive|slides|about-me)).html#$1-'$suff'.html#g;s#(posts/[a-zA-Z0-9_-]*).html#$1-'$suff'.html#g;s#-'$suff'.html>mk#.html>mk#g' > ${fic:r}-${suff}.html
+}
+
+for fic in $filelist; do
+    if echo $fic|egrep -- '-(mk|min|sci|modern).html$'>/dev/null; then
+        continue
+    fi
+    print -n -- "$fic "
+    for suff in sci min modern; do
+        trans $suff $fic
+    done
+    print "[OK]"
+done
+#+end_src
+
+and the script to write the size of the file inside the file:
+
+#+name: update-file-size.sh
+#+begin_src bash
+#!/usr/bin/env nix-shell
+#!nix-shell -i zsh
+#!nix-shell -I nixpkgs="https://github.com/NixOS/nixpkgs/archive/19.09.tar.gz"
+
+webdir="_site"
+
+sizeof() {
+    stat --format="%s" "$*"
+}
+
+debug () {
+ print -- $* >/dev/null
+}
+
+toh () {
+    numfmt --to=iec $*
+}
+
+tmpdir=$(mktemp -d)
+
+type -a filelist
+if (($#>0)); then
+    filelist=( $* )
+else
+    filelist=( $webdir/**/*.html(.) )
+fi
+
+for fic in $filelist; do
+    print -n -- "$fic   "
+
+    htmlsize=$(sizeof $fic)
+    debug HTML: $htmlsize
+
+    xfic=$tmpdir/$fic
+    mkdir -p $(dirname $xfic)
+    hxclean $fic > $xfic
+
+    images=( $( < $xfic hxselect -i -c -s '\n' 'img::attr(src)' | sed 's/^\.\.\///' ) )
+    imgsize=0
+    nbimg=0
+    for i in $images; do
+        ((nbimg++))
+        isize=$( sizeof ${fic:h}/$i )
+        debug $i '=>' $isize
+        (( imgsize += isize ))
+    done
+    debug IMG: $imgsize
+
+    css=( $( < $xfic hxselect -i -c -s '\n' 'link[rel=stylesheet]::attr(href)'))
+    csssize=0
+    for i in $css; do
+        isize=$( sizeof $webdir/$i )
+        debug $i '=>' $isize
+        (( csssize += isize ))
+    done
+    debug CSS: $csssize
+    total=$(( htmlsize + imgsize + csssize ))
+    sizeinfos=$(print -- "Size: $(toh $total) (HTML: $(toh $htmlsize), CSS: $(toh $csssize), IMG: $(toh $imgsize))")
+    print -- $sizeinfos
+    perl -pi -e 's#(<div class="?web-file-size"?>)[^<]*(</div>)#$1'"$sizeinfos"'$2#' $fic
+done
+rm -rf $tmpdir
+#+end_src