From 15744dcea4e861bc796f0f27cfa740d3542615f7 Mon Sep 17 00:00:00 2001
From: "Kevin R. Thornton" <krthornt@uci.edu>
Date: Fri, 31 Mar 2023 09:04:15 -0700
Subject: [PATCH] Improve handling of rust in CI (#1146)

* use dtolnay's toolchain actions
* Forcibly set rust version when needed
* Use cargo-install to cache cbindgen
---
 .github/workflows/docs.yml   | 19 +++++++++++++++++++
 .github/workflows/tests.yml  | 27 +++++++++++++++++++++++++++
 .github/workflows/ubuntu.yml | 14 +++++++++++---
 3 files changed, 57 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index ff6970bac3..f5f5af3923 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -15,6 +15,7 @@ jobs:
       matrix:
         compiler: [gcc]
         python-version: ["3.10"]
+        rust: [1.62.1]
     defaults:
       run:
         shell: bash
@@ -30,6 +31,16 @@ jobs:
           submodules: true
           fetch-depth: 0
 
+      - name: Set up rust
+        uses: dtolnay/rust-toolchain@v1
+        with:
+          toolchain: ${{ matrix.rust }}
+
+      - name: Install cbindgen
+        uses: baptiste0928/cargo-install@v2
+        with:
+          crate: cbindgen
+          version: "=0.24.3" 
       # We install the R dependencies first
       # Later, Python dependencies will go into the same place.
       # Python will silently update dependencies if needed,
@@ -74,6 +85,14 @@ jobs:
           python -m pip install --user --upgrade setuptools wheel 
           python -m pip install --user --upgrade -r requirements/development.txt
 
+      - name: rustc version
+        run: |
+            rustc --version
+
+      - name: cbindgen version
+        run: |
+            cbindgen --version
+
       - name: Build module
         run: |
             python3 -m pip install -e .
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index cb73390537..79f1fe35e9 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -13,6 +13,7 @@ jobs:
       matrix:
         python: [ 3.8, 3.9, "3.10", "3.11" ]
         os:  [ macos-latest, ubuntu-latest ]
+        rust: [1.62.1]
     defaults:
       run:
         shell: bash
@@ -76,6 +77,32 @@ jobs:
         run: |
           cp ~/.bash_profile ~/.bashrc
 
+      - name: Set rust version
+        run: |
+          source ~/.bashrc
+          conda activate anaconda-client-env
+          rustup override set ${{ matrix.rust }}
+
+      - name: rustc version
+        run: |
+          source ~/.bashrc
+          conda activate anaconda-client-env
+          rustc --version
+          which rustc
+
+      - name: Install cbindgen
+        uses: baptiste0928/cargo-install@v2
+        with:
+          crate: cbindgen
+          version: "=0.24.3" 
+
+      - name: cbindgen version
+        run: |
+          source ~/.bashrc
+          conda activate anaconda-client-env
+          cbindgen --version
+          which cbindgen
+
       - name: Build
         run: |
           source ~/.bashrc
diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 503be377ea..e8bff56379 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -32,18 +32,26 @@ jobs:
         with:
           submodules: true
 
-      - uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: ${{ matrix.rust }}
-          override: false
 
       - name: Install apt dependencies
         run: |
             sudo apt install --fix-missing -y libgsl-dev cmake autoconf libboost-test-dev libboost-program-options-dev
 
       - name: Install cbindgen
+        uses: baptiste0928/cargo-install@v2
+        with:
+          crate: cbindgen
+          version: "=0.24.3" 
+
+      - name: rustc version
+        run: |
+            rustc --version
+      - name: cbindgen version
         run: |
-          cargo install cbindgen@0.24.3
+            cbindgen --version
 
       - name: Edit PATH
         run: |