use redo

Signed-off-by: Christine Dodrill <me@christine.website>

.gitignore

@@ -1 +1,5 @@
-result
+result
+*.epub
+*.mobi
+*.pdf
+.redo

all.do

@@ -0,0 +1,2 @@
+redo-ifchange Spellblade.mobi
+redo-ifchange wordcount

default.epub.do

@@ -0,0 +1,11 @@
+DEPS="$(ls ./src/**/*.md | grep -v plans)"
+
+redo-ifchange $DEPS ./src/style.css ./src/pagebreak.lua ./src/title.txt
+
+pandoc \
+    -o $3 \
+    --resource-path=./src \
+    --css ./src/style.css \
+    --lua-filter ./src/pagebreak.lua \
+    --to epub \
+    ./src/title.txt $DEPS

default.mobi.do

@@ -0,0 +1,5 @@
+exec >&2
+
+redo-ifchange ./out/$2.epub
+
+ebook-convert ./out/$2.epub ./out/$2.mobi

default.nix

@@ -14,12 +14,14 @@ in pkgs.stdenv.mkDerivation {
   buildInputs = with pkgs; [
     calibre
     nur.repos.mic92.pandoc-bin
+    redo-apenwarr
   ];
 
   buildPhase = ''
     cp -rf $src/src .
-    mkdir out
-    cd ./src && ./build.sh && cd ..
+    cp -rf $src/*.do .
+    mkdir -p out
+    redo
   '';
 
   installPhase = ''

shell.nix

@@ -9,6 +9,7 @@ in pkgs.mkShell {
   buildInputs = with pkgs; [
     calibre
     nur.repos.mic92.pandoc-bin
+    redo-apenwarr
 
     # keep this line if you use bash
     bashInteractive

src/build.sh

@@ -1,18 +0,0 @@
-#!/usr/bin/env bash
-set -e
-
-[[ $DEBUG ]] && set -x
-
-FILES="$(ls ./**/*.md | grep -v plans)"
-
-echo $FILES
-
-pandoc \
-    -o ../out/Spellblade.epub \
-    --resource-path=. \
-    --css style.css \
-    --lua-filter ./pagebreak.lua \
-    title.txt $FILES
-ebook-convert ../out/Spellblade.epub ../out/Spellblade.mobi
-
-pandoc --lua-filter wordcount.lua $FILES

src/chapter-1/scene-2.md

@@ -0,0 +1 @@
+\pagebreak

wordcount.do

@@ -0,0 +1,5 @@
+DEPS="$(ls ./src/**/*.md | grep -v plans)"
+
+redo-ifchange $DEPS ./src/wordcount.lua
+
+pandoc --lua-filter ./src/wordcount.lua $DEPS >&2