workflows: Fix the Linux container build

Author: pragmatrix

.github/workflows/build-linux.yaml

@@ -14,17 +14,20 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    # Our linux container does have git >= 2.18 installed, so we can't use submodules here.
-    #  with:
-    #    submodules: true
+      with:
+        submodules: true
 
-    #- name: Get submodules
-    #  run: git submodule update --init --depth 1
+    - name: Prepare Rustup
+      run: (cd /github/home && ln -s /root/.cargo)
 
-    - name: Install Rust
-      uses: hecrj/setup-rust-action@master
-      with:
-        rust-version: stable
+    - name: Update Rustup
+      run: rustup self update
+    
+    - name: Update Rust
+      run: rustup update
+    
+    - name: Configure Rust Toolchain
+      run: rustup default stable
 
     - name: Install Clippy
       run: rustup component add clippy
@@ -57,17 +60,20 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    # Our linux container does have git >= 2.18 installed, so we can't use submodules here.
-    #  with:
-    #    submodules: true
+      with:
+        submodules: true
 
-    #- name: Get submodules
-    #  run: git submodule update --init --depth 1
+    - name: Prepare Rustup
+      run: (cd /github/home && ln -s /root/.cargo)
 
-    - name: Install Rust
-      uses: hecrj/setup-rust-action@master
-      with:
-        rust-version: beta
+    - name: Update Rustup
+      run: rustup self update
+    
+    - name: Update Rust
+      run: rustup update
+    
+    - name: Configure Rust Toolchain
+      run: rustup default beta
 
     - name: Install Clippy
       run: rustup component add clippy

.github/workflows/fmt.yaml

@@ -1,4 +1,4 @@
-name: 'Rust Skia - Check Formatting'
+name: 'Check Formatting'
 on: [push]
 
 jobs:

mk-workflows/src/templates/linux-job.yaml

@@ -3,17 +3,20 @@ container: ghcr.io/pragmatrix/rust-skia-linux:latest
 
 steps:
 - uses: actions/checkout@v2
-# Our linux container does have git >= 2.18 installed, so we can't use submodules here.
-#  with:
-#    submodules: true
+  with:
+    submodules: true
 
-#- name: Get submodules
-#  run: git submodule update --init --depth 1
+- name: Prepare Rustup
+  run: (cd /github/home && ln -s /root/.cargo)
 
-- name: Install Rust
-  uses: hecrj/setup-rust-action@master
-  with:
-    rust-version: $[[rustToolchain]]
+- name: Update Rustup
+  run: rustup self update
+
+- name: Update Rust
+  run: rustup update
+
+- name: Configure Rust Toolchain
+  run: rustup default $[[rustToolchain]]
 
 - name: Install Clippy
   run: rustup component add clippy