dataconnect(ci): move firebase-tools version out of the yml workflow files (#8197)

Author: dconeybe

.github/workflows/dataconnect.yml

@@ -35,7 +35,7 @@ env:
   FDC_JAVA_VERSION: ${{ inputs.javaVersion || '17' }}
   FDC_ANDROID_EMULATOR_API_LEVEL: ${{ inputs.androidEmulatorApiLevel || '34' }}
   FDC_NODEJS_VERSION: ${{ inputs.nodeJsVersion || '20' }}
-  FDC_FIREBASE_TOOLS_VERSION: ${{ inputs.firebaseToolsVersion || '15.18.0' }}
+  FDC_INPUT_FIREBASE_TOOLS_VERSION: ${{ inputs.firebaseToolsVersion }}
   FDC_FIREBASE_TOOLS_DIR: /tmp/firebase-tools
   FDC_FIREBASE_COMMAND: /tmp/firebase-tools/node_modules/.bin/firebase
   FDC_PYTHON_VERSION: ${{ inputs.pythonVersion || '3.13' }}
@@ -54,6 +54,16 @@ jobs:
         with:
           show-progress: false
 
+      - name: Initialize FDC_FIREBASE_TOOLS_VERSION environment variable
+        run: |
+          set -euo pipefail
+          if [[ -n "$FDC_INPUT_FIREBASE_TOOLS_VERSION" ]]; then
+            version="$FDC_INPUT_FIREBASE_TOOLS_VERSION"
+          else
+            version="$(cat firebase-dataconnect/ci/firebase-tools-version.txt)"
+          fi
+          echo "FDC_FIREBASE_TOOLS_VERSION=${version}" >> "$GITHUB_ENV"
+
       - uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5.2.0
         with:
           java-version: ${{ env.FDC_JAVA_VERSION }}

.github/workflows/dataconnect_demo_app.yml

@@ -21,7 +21,7 @@ on:
 
 env:
   FDC_NODE_VERSION: ${{ inputs.nodeVersion || '20' }}
-  FDC_FIREBASE_TOOLS_VERSION: ${{ inputs.firebaseToolsVersion || '15.18.0' }}
+  FDC_INPUT_FIREBASE_TOOLS_VERSION: ${{ inputs.firebaseToolsVersion }}
   FDC_JAVA_VERSION: ${{ inputs.javaVersion || '17' }}
   FDC_FIREBASE_TOOLS_DIR: ${{ github.workspace }}/firebase-tools
   FDC_FIREBASE_COMMAND: ${{ github.workspace }}/firebase-tools/node_modules/.bin/firebase
@@ -38,7 +38,19 @@ jobs:
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
-          sparse-checkout: firebase-dataconnect/demo
+          sparse-checkout: |
+            firebase-dataconnect/demo
+            firebase-dataconnect/ci/
+
+      - name: Initialize FDC_FIREBASE_TOOLS_VERSION environment variable
+        run: |
+          set -euo pipefail
+          if [[ -n "$FDC_INPUT_FIREBASE_TOOLS_VERSION" ]]; then
+            version="$FDC_INPUT_FIREBASE_TOOLS_VERSION"
+          else
+            version="$(cat firebase-dataconnect/ci/firebase-tools-version.txt)"
+          fi
+          echo "FDC_FIREBASE_TOOLS_VERSION=${version}" >> "$GITHUB_ENV"
 
       - name: Create Cache Key Files
         run: |

firebase-dataconnect/.agents/skills/dataconnect_emulator_upgrade/SKILL.md

@@ -41,13 +41,13 @@ Follow these steps sequentially:
 7. **Fetch Latest firebase-tools Version:**
    Determine the latest release version number of the `firebase-tools` repository using the GitHub CLI `gh` or by fetching the latest release for `Firebase/firebase-tools`. Do not include the 'v' prefix in the version number (e.g., use `15.8.0` instead of `v15.8.0`).
 
-8. **Update GitHub Actions YAML Files:**
-   Edit `../.github/workflows/dataconnect.yml` and `../.github/workflows/dataconnect_demo_app.yml`. Change the default `FDC_FIREBASE_TOOLS_VERSION` value to the latest release version number determined in the previous step. Note what the previous version was.
+8. **Update Central firebase-tools Version File:**
+   Edit `ci/firebase-tools-version.txt`. Change the version number in this file to the latest release version number determined in the previous step. Note what the previous version was.
 
 9. **Commit firebase-tools Update:**
-   Add the YAML files and git commit the changes using a commit message that conforms exactly to this template:
-   `dataconnect.yml/dataconnect_demo_app.yml: updated firebase-tools to <new_tools_version> (was <old_tools_version>)`
-   *Example: `dataconnect.yml/dataconnect_demo_app.yml: updated firebase-tools to 15.8.0 (was 15.6.0)`*
+   Add the version file and git commit the changes using a commit message that conforms exactly to this template:
+   `firebase-tools-version.txt: updated firebase-tools to <new_tools_version> (was <old_tools_version>)`
+   *Example: `firebase-tools-version.txt: updated firebase-tools to 15.8.0 (was 15.6.0)`*
 
 10. **Push Changes to GitHub:**
     Push the changes up to the remote origin by running this exact command, substituting `Emulator_X_Y_Z` appropriately:

firebase-dataconnect/ci/firebase-tools-version.txt

@@ -0,0 +1 @@
+15.18.0