Use compile.sh in CI, r5

.github/workflows/build.yml

@@ -14,7 +14,9 @@ jobs:
   build_linux:
     name: Builds IMEX on Linux
     runs-on: ubuntu-latest
-    timeout-minutes: 450
+    defaults:
+      run:
+        shell: bash -l -eo pipefail {0}
 
     strategy:
       matrix:
@@ -34,19 +36,15 @@ jobs:
           activate-environment: imex-devel
 
       - name: Conda info
-        shell: bash -le {0}
         run: conda info
 
       - name: Install Build tools
-        shell: bash -le {0}
         run: |
           conda install cmake ninja conda-forge::lit conda-forge::doxygen
           conda list
 
       - name: Checkout repo
         uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
 
       - name: Setup Cache Vars
         run: |
@@ -56,16 +54,14 @@ jobs:
         id: cache-llvm-mlir
         uses: actions/cache@v4
         env:
-          LLVM_CACHE_NUMBER: 1  # Increase to reset cache
+          LLVM_CACHE_NUMBER: 2  # Increase to reset cache
         with:
           path: |
             ${{ github.workspace }}/mlir
           key: ${{ runner.os }}-build-llvm-${{ env.LLVM_CACHE_NUMBER }}-${{ env.LLVM_SHA }}
 
       - name: Build LLVM-MLIR
         if: steps.cache-llvm-mlir.outputs.cache-hit != 'true'
-        shell: bash -el {0}
-        timeout-minutes: 420
         run: |
           git clone https://github.com/llvm/llvm-project --branch main --single-branch
           cd llvm-project