From ad7fca700d3917d2a047c934dcec2aa2c8a09498 Mon Sep 17 00:00:00 2001
From: Tom Alexander <tom@fizz.buzz>
Date: Mon, 1 May 2023 20:04:59 -0400
Subject: [PATCH] Build rust-analyzer on FreeBSD.

The official FreeBSD package rust-analyzer crashes. I suspect this is because its built for rust stable which conflicts with the rust-nightly I have installed.
---
 ansible/roles/emacs/files/lang-rust.el | 18 ++++++++++++++++++
 ansible/roles/rust/tasks/freebsd.yaml  | 25 ++++++++++++++++++++++++-
 2 files changed, 42 insertions(+), 1 deletion(-)

diff --git a/ansible/roles/emacs/files/lang-rust.el b/ansible/roles/emacs/files/lang-rust.el
index fa2923c..4b6ce88 100644
--- a/ansible/roles/emacs/files/lang-rust.el
+++ b/ansible/roles/emacs/files/lang-rust.el
@@ -2,10 +2,28 @@
 (require 'util-tree-sitter)
 
 (defun locate-rust-analyzer ()
+  "Find rust-analyzer."
+  (let ((rust-analyzer-paths (list (locate-rust-analyzer-rustup) (locate-rust-analyzer-ansible-built))))
+    (let ((first-non-nill-path (seq-find (lambda (elt) elt) rust-analyzer-paths)))
+      first-non-nill-path
+      )
+    )
+  )
+
+(defun locate-rust-analyzer-rustup ()
   "Find rust-analyzer through rustup."
   (run-command-in-directory nil "rustup" "which" "rust-analyzer")
   )
 
+(defun locate-rust-analyzer-ansible-built ()
+  "Find rust-analyzer where the ansible playbook built it."
+  (let ((rust-analyzer-path "/opt/rust-analyzer/target/release/rust-analyzer"))
+    (when (file-exists-p rust-analyzer-path)
+      rust-analyzer-path
+      )
+    )
+  )
+
 (use-package rust-mode
   :mode "\\.rs\\'"
   :hook (
diff --git a/ansible/roles/rust/tasks/freebsd.yaml b/ansible/roles/rust/tasks/freebsd.yaml
index f4d95e4..813c2ec 100644
--- a/ansible/roles/rust/tasks/freebsd.yaml
+++ b/ansible/roles/rust/tasks/freebsd.yaml
@@ -2,5 +2,28 @@
   package:
     name:
       - rust-nightly
-      - rust-analyzer
     state: present
+
+- name: Create directories
+  file:
+    name: "{{ item }}"
+    state: directory
+    mode: 0755
+    owner: root
+    group: wheel
+  loop:
+    - "/opt/rust-analyzer"
+
+- name: Clone rust-analyzer Source
+  git:
+    repo: "https://github.com/rust-lang/rust-analyzer.git"
+    dest: /opt/rust-analyzer
+    version: "2023-05-01"
+    force: true
+  diff: false
+
+- name: Build rust-analyzer
+  command: "cargo build --release"
+  args:
+    creates: "/opt/rust-analyzer/target/release/rust-analyzer"
+    chdir: /opt/rust-analyzer