From 7db2c2bbab1bbe5321c5bab31d472e4b435f8a31 Mon Sep 17 00:00:00 2001
From: Salt <rehashedsalt@cock.li>
Date: Wed, 24 Jun 2020 10:38:24 -0500
Subject: [PATCH] Switch gears, use installer script

---
 roles/minecraft/tasks/main.yml       | 27 ++++++-----------------
 roles/minecraft/templates/install.sh | 33 ++++++++++++++++++++++++++++
 2 files changed, 40 insertions(+), 20 deletions(-)
 create mode 100644 roles/minecraft/templates/install.sh

diff --git a/roles/minecraft/tasks/main.yml b/roles/minecraft/tasks/main.yml
index 351c29c..a5600b7 100644
--- a/roles/minecraft/tasks/main.yml
+++ b/roles/minecraft/tasks/main.yml
@@ -70,30 +70,17 @@
             remote_src: yes
             dest: "/var/minecraft/{{ mcname }}"
           notify: "restart minecraft {{ mcname }}"
-        - name: Look for MultiMC pack
-          find:
-            path: "/var/minecraft/{{ mcname }}"
-            patterns: '.minecraft'
-          ignore_errors: yes
-          register: find_multimc
-        - name: Move .minecraft contents to root
+        - name: Template out install script
+          template:
+            src: "install.sh"
+            dest: "/var/minecraft/{{ mcname }}/install.sh"
+        - name: Run install script
           command:
             chdir: "/var/minecraft/{{ mcname }}"
             argv:
-              - mv
-              - "/var/minecraft/{{ mcname }}/*/.minecraft/*"
-              - "."
+              - bash
+              - "./install.sh"
           notify: "restart minecraft {{ mcname }}"
-          when: not find_multimc is failed
-        - name: Remove MultiMC artifacts
-          file:
-            path: "{{ item }}"
-            state: absent
-          loop:
-            - "/var/minecraft/{{ mcname }}/.minecraft"
-            - "/var/minecraft/{{ mcname }}/instance.cfg"
-            - "/var/minecraft/{{ mcname }}/mmc-pack.json"
-          when: not find_multimc is failed
       when: get_mcpack is changed
     - name: Check for Forge
       stat:
diff --git a/roles/minecraft/templates/install.sh b/roles/minecraft/templates/install.sh
new file mode 100644
index 0000000..02c6e37
--- /dev/null
+++ b/roles/minecraft/templates/install.sh
@@ -0,0 +1,33 @@
+#! /bin/sh
+#
+# install.sh
+# Because writing this logic in Ansible is kinda dumb
+# Copyright (C) 2020 Vintage Salt <rehashedsalt@cock.li>
+#
+# Distributed under terms of the MIT license.
+#
+
+set -e
+
+# Get to our magic dir
+export MINECRAFT_DIR="/var/minecraft/{{ mcname }}"
+cd "$MINECRAFT_DIR" || exit 50
+
+# If the mods and config directories exist, we don't need to do anything
+# We make the inference here because the previous step of the playbook removed them
+if [ -d "mods" ]; then
+	exit 0
+fi
+
+# MultiMC packs are organized as such:
+# ./Pack Name/.minecraft/{mods,configs,etc.}
+# ./Pack Name/minecraft/{mods,configs,etc.}
+# I'm going to elect not to support the latter just for the sake of my sanity
+packdir="$(find -type d -iname ".minecraft" | head -n 1)"
+if ! [ -d "$packdir" ]; then
+	exit 51
+fi
+# Just move the shit out 4head
+mv "$packdir"/* .
+exit 0
+