add drone CI to project

Squashed commit of the following:

commit 314aa4b989
Author: Julien Fastré <julien.fastre@champs-libres.coop>
Date:   Mon Jul 26 21:29:34 2021 +0200

    restrict ci on tags

commit c39b0d98d9
Author: Julien Fastré <julien.fastre@champs-libres.coop>
Date:   Mon Jul 26 17:59:27 2021 +0200

    add explanation to README about dependencies [ci-skip]

commit b935e1ba68
Author: Julien Fastré <julien.fastre@champs-libres.coop>
Date:   Mon Jul 26 17:55:50 2021 +0200

    clone submodules

commit 8dbc9aa196
Author: Julien Fastré <julien.fastre@champs-libres.coop>
Date:   Mon Jul 26 17:52:23 2021 +0200

    fix drone ci

commit 61fb8a8f66
Author: Julien Fastré <julien.fastre@champs-libres.coop>
Date:   Mon Jul 26 15:34:35 2021 +0200

    first impl for drone

.drone.yml

@@ -0,0 +1,44 @@
+---
+kind: pipeline
+type: docker
+name: default
+
+steps:
+
+- name: submodules
+  image: alpine/git
+  commands:
+  - git submodule init
+  - git submodule update --recursive --remote
+  when:
+    event: tag
+
+- name: pandoc
+  image: pandoc/alpine:2.14
+  commands:
+    - ls
+    - sh build-pandoc.sh latex > user-manual.tex
+  when:
+    event: tag
+
+- name: build-latex
+  image: ghcr.io/xu-cheng/texlive-full:latest
+  commands:
+    - latexmk -pdf -file-line-error -halt-on-error -interaction=nonstopmode -xelatex user-manual.tex
+  when:
+    event: tag
+
+- name: release
+  image: plugins/gitea-release
+  settings:
+    api_key:
+      from_secret: gitea_key
+    base_url: https://gitea.champs-libres.be
+    files:
+      - user-manual.pdf
+    checksum:
+      - sha512
+    title: ${DRONE_COMMIT_REF}
+    prerelease: true
+  when:
+    event: tag

.gitignore

@@ -1,2 +1,2 @@
 build/*
-user-manual.pdf
+user-manual.*

README.md

@@ -18,3 +18,8 @@ Le fichier généré est `user-manual.pdf`
 
 L'utilisateur qui exécute la compilation est, par défaut, l'utilisateur ayant l'id `1000`.
 
+## Dépendances latex
+
+### Awesomebox
+
+Pour créer des "box": https://www.ctan.org/tex-archive/graphics/awesomebox

build-pandoc.sh

@@ -1,14 +1,12 @@
-#!/bin/bash
-
-echo "This script is for building pandoc natively"
+#!/bin/sh
 
 # enter the current directory
 cd "$(dirname $0)"
 export PANDOC_DIR=pandoc/cl
 
-files=(
+export files="
   src/parcours.md
-)
+"
 
 if [ -z $1 ]; then
   export target=pdf
@@ -28,7 +26,7 @@ export LATEX_ARGS="
 "
 
 
-if [ $target == "debug" ]; then
+if [ $target == "latex" ]; then
   pandoc $ARGS $LATEX_ARGS \
     --to latex \
     $files;