[Github] Test docs action on workflow changes (#119627)

This patch makes the check docs build workflow run testing on all of the
docs builds when the workflow is changed. This is intended to catch
issues like those that were not caught premerge when adding in the
functionality to download the built docs.

Author: boomanaiden154

.github/workflows/docs.yml

@@ -94,6 +94,8 @@ jobs:
             flang:
               - 'flang/docs/**'
               - 'flang/include/flang/Optimizer/Dialect/FIROps.td'
+            workflow:
+              - '.github/workflows/docs.yml'
       - name: Fetch LLVM sources (PR)
         if: ${{ github.event_name == 'pull_request' }}
         uses: actions/checkout@v4
@@ -115,77 +117,99 @@ jobs:
       - name: Setup output folder
         run: mkdir built-docs
       - name: Build LLVM docs
-        if: steps.docs-changed-subprojects.outputs.llvm_any_changed == 'true'
+        if: |
+          steps.docs-changed-subprojects.outputs.llvm_any_changed == 'true' ||
+          steps.docs-changed-subprojects.outputs.workflow_any_changed == 'true'
         run: |
           cmake -B llvm-build -GNinja -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_SPHINX=ON ./llvm
           TZ=UTC ninja -C llvm-build docs-llvm-html docs-llvm-man
           mkdir built-docs/llvm
           cp -r llvm-build/docs/* built-docs/llvm/
       - name: Build Clang docs
-        if: steps.docs-changed-subprojects.outputs.clang_any_changed == 'true'
+        if: |
+          steps.docs-changed-subprojects.outputs.clang_any_changed == 'true' ||
+          steps.docs-changed-subprojects.outputs.workflow_any_changed == 'true'
         run: |
           cmake -B clang-build -GNinja -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_PROJECTS="clang" -DLLVM_ENABLE_SPHINX=ON ./llvm
           TZ=UTC ninja -C clang-build docs-clang-html docs-clang-man
           mkdir built-docs/clang
           cp -r clang-build/docs/* built-docs/clang/
       - name: Build clang-tools-extra docs
-        if: steps.docs-changed-subprojects.outputs.clang-tools-extra_any_changed == 'true'
+        if: |
+          steps.docs-changed-subprojects.outputs.clang-tools-extra_any_changed == 'true' ||
+          steps.docs-changed-subprojects.outputs.workflow_any_changed == 'true'
         run: |
           cmake -B clang-tools-extra-build -GNinja -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_PROJECTS="clang;clang-tools-extra" -DLLVM_ENABLE_SPHINX=ON ./llvm
           TZ=UTC ninja -C clang-tools-extra-build docs-clang-tools-html docs-clang-tools-man
           mkdir built-docs/clang-tools-extra
           cp -r clang-tools-extra-build/docs/* built-docs/clang-tools-extra/
       - name: Build LLDB docs
-        if: steps.docs-changed-subprojects.outputs.lldb_any_changed == 'true'
+        if: |
+          steps.docs-changed-subprojects.outputs.lldb_any_changed == 'true' ||
+          steps.docs-changed-subprojects.outputs.workflow_any_changed == 'true'
         run: |
           cmake -B lldb-build -GNinja -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_PROJECTS="clang;lldb" -DLLVM_ENABLE_SPHINX=ON ./llvm
           TZ=UTC ninja -C lldb-build docs-lldb-html docs-lldb-man
           mkdir built-docs/lldb
           cp -r lldb-build/docs/* built-docs/lldb/
       - name: Build libunwind docs
-        if: steps.docs-changed-subprojects.outputs.libunwind_any_changed == 'true'
+        if: |
+          steps.docs-changed-subprojects.outputs.libunwind_any_changed == 'true' ||
+          steps.docs-changed-subprojects.outputs.workflow_any_changed == 'true'
         run: |
           cmake -B libunwind-build -GNinja -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_RUNTIMES="libunwind" -DLLVM_ENABLE_SPHINX=ON ./runtimes
           TZ=UTC ninja -C libunwind-build docs-libunwind-html
           mkdir built-docs/libunwind
           cp -r libunwind-build/libunwind/docs/* built-docs/libunwind
       - name: Build libcxx docs
-        if: steps.docs-changed-subprojects.outputs.libcxx_any_changed == 'true'
+        if: |
+          steps.docs-changed-subprojects.outputs.libcxx_any_changed == 'true' ||
+          steps.docs-changed-subprojects.outputs.workflow_any_changed == 'true'
         run: |
           cmake -B libcxx-build -GNinja -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_RUNTIMES="libcxxabi;libcxx;libunwind" -DLLVM_ENABLE_SPHINX=ON ./runtimes
           TZ=UTC ninja -C libcxx-build docs-libcxx-html
           mkdir built-docs/libcxx
           cp -r libcxx-build/libcxx/docs/* built-docs/libcxx/
       - name: Build libc docs
-        if: steps.docs-changed-subprojects.outputs.libc_any_changed == 'true'
+        if: |
+          steps.docs-changed-subprojects.outputs.libc_any_changed == 'true' ||
+          steps.docs-changed-subprojects.outputs.workflow_any_changed == 'true'
         run: |
           cmake -B libc-build -GNinja -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_RUNTIMES="libc" -DLLVM_ENABLE_SPHINX=ON ./runtimes
           TZ=UTC ninja -C libc-build docs-libc-html
           mkdir built-docs/libc
           cp -r libc-build/libc/docs/* built-docs/libc/
       - name: Build LLD docs
-        if: steps.docs-changed-subprojects.outputs.lld_any_changed == 'true'
+        if: |
+          steps.docs-changed-subprojects.outputs.lld_any_changed == 'true' ||
+          steps.docs-changed-subprojects.outputs.workflow_any_changed == 'true'
         run: |
           cmake -B lld-build -GNinja -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_PROJECTS="lld" -DLLVM_ENABLE_SPHINX=ON ./llvm
           TZ=UTC ninja -C lld-build docs-lld-html
           mkdir built-docs/lld
           cp -r lld-build/docs/* built-docs/lld/
       - name: Build OpenMP docs
-        if: steps.docs-changed-subprojects.outputs.openmp_any_changed == 'true'
+        if: |
+          steps.docs-changed-subprojects.outputs.openmp_any_changed == 'true' ||
+          steps.docs-changed-subprojects.outputs.workflow_any_changed == 'true'
         run: |
           cmake -B openmp-build -GNinja -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_PROJECTS="clang;openmp" -DLLVM_ENABLE_SPHINX=ON ./llvm
           TZ=UTC ninja -C openmp-build docs-openmp-html
           mkdir built-docs/openmp
           cp -r openmp-build/docs/* built-docs/openmp/
       - name: Build Polly docs
-        if: steps.docs-changed-subprojects.outputs.polly_any_changed == 'true'
+        if: |
+          steps.docs-changed-subprojects.outputs.polly_any_changed == 'true' ||
+          steps.docs-changed-subprojects.outputs.workflow_any_changed == 'true'
         run: |
           cmake -B polly-build -GNinja -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_PROJECTS="polly" -DLLVM_ENABLE_SPHINX=ON ./llvm
           TZ=UTC ninja -C polly-build docs-polly-html docs-polly-man
           mkdir built-docs/polly
           cp -r polly-build/docs/* built-docs/polly/
       - name: Build Flang docs
-        if: steps.docs-changed-subprojects.outputs.flang_any_changed == 'true'
+        if: |
+          steps.docs-changed-subprojects.outputs.flang_any_changed == 'true' ||
+          steps.docs-changed-subprojects.outputs.workflow_any_changed == 'true'
         run: |
           cmake -B flang-build -GNinja -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_PROJECTS="clang;mlir;flang" -DLLVM_ENABLE_SPHINX=ON ./llvm
           TZ=UTC ninja -C flang-build docs-flang-html