chore: simplify workflow

Author: Jason I

.github/workflows/check-interface-spec-compatibility.yml

@@ -56,13 +56,9 @@ jobs:
           curl -O "https://download.dfinity.systems/ic/$latest_sha/binaries/x86_64-linux/sandbox_launcher.gz"
           curl -O "https://download.dfinity.systems/ic/$latest_sha/binaries/x86_64-linux/sns.gz"
 
-      - name: Install IC SDK
+      - name: Provision environment
         run: |
-          wget --output-document install-dfx.sh "https://raw.githubusercontent.com/dfinity/sdk/dfxvm-install-script/install.sh"
-          DFX_VERSION=${DFX_VERSION:=0.19.0} DFXVM_INIT_YES=true bash install-dfx.sh
-          rm install-dfx.sh
-          echo "$HOME/.local/share/dfx/bin" >> $GITHUB_PATH
-          source "$HOME/.local/share/dfx/env"
+          .github/workflows/provision-linux.sh
 
       - name: Overwrite artifacts in dfx cache
         run: |
@@ -85,10 +81,6 @@ jobs:
           gzip -d sns.gz
           mv sns $(dfx cache show)  
 
-      - name: Skip cache install
-        run: |
-          export "skip_dfx_cache_install=1"
-
       - name: Build and deploy all examples
         run: |
           .github/workflows/hosting-photo-storage-example.test.sh

.github/workflows/provision-linux.sh

@@ -17,11 +17,7 @@ DFX_VERSION=${DFX_VERSION:=0.19.0} DFXVM_INIT_YES=true bash install-dfx.sh
 rm install-dfx.sh
 echo "$HOME/.local/share/dfx/bin" >> $GITHUB_PATH
 source "$HOME/.local/share/dfx/env"
-if [[ -z "${skip_dfx_cache_install}" ]]; then
-  echo "Skipping dfx cache install"
-else
-  dfx cache install
-fi
+dfx cache install
 
 # Install ic-repl
 version=0.1.2