actions_diff.txt

diff '--color=auto' -r -u real_dotgithub/actions/build/action.yaml dotgithub/actions/build/action.yaml
--- real_dotgithub/actions/build/action.yaml	2025-12-11 23:04:19.991798214 +0000
+++ dotgithub/actions/build/action.yaml	2025-12-13 08:58:50.312695975 +0000
@@ -1,125 +1,22 @@
-name: Build Cobalt
-description: Builds Cobalt targets
+name: 'Build Cobalt'
+description: 'Mocks the Cobalt build by providing static test targets.'
 inputs:
-  targets:
-    description: "JSON list of ninja targets for Cobalt build."
-    required: true
-  test_root_target:
-    description: "The root target from which to deduce what tests to run."
-    required: true
-  test_targets_json_file:
-    description: "The path to the file the test targets are written to."
+  config:
+    description: 'The config to build.'
+    required: false
+    default: 'devel'
+  platform:
+    description: 'The platform to build.'
     required: true
+
 runs:
   using: "composite"
   steps:
-      - name: Clean out dir from previous runner
-        run: |
-          rm -rf cobalt/src/out
-        shell: bash
-      - name: GN gen
-        run: |
-          cd cobalt/src
-          cobalt/build/gn.py -p ${{ matrix.platform }} -C ${{ matrix.config }}
-        shell: bash
-      - name: List GN args
-        run: |
-          cd cobalt/src
-          gn args --list --short --overrides-only out/${{ matrix.platform }}_${{ matrix.config }}
-        shell: bash
-      - name: Get list of changed files
-        if: github.event_name == 'pull_request'
-        id: changed-files
-        env:
-          CHANGED_FILES_LIST: changed_files.txt
-        run: |
-          set -x
-          cd cobalt/src
-          # GitHub's actions/checkout action, by default, checks out the merge commit when
-          # a pull request event triggers a workflow. This merge commit represents the state
-          # of the code as if the pull request had been merged into the base branch.
-          # Setting fetch-depth to 2 effectively gets a merge commit (i.e. HEAD) and the
-          # HEAD commit from the base branch (i.e. HEAD~1).
-          git diff --name-only HEAD~1 HEAD > ${CHANGED_FILES_LIST}
-          cat ${CHANGED_FILES_LIST}
-        shell: bash
-      - name: Calculate test targets
-        # TODO(b/382508397): Ignore test_root_target until test target listing is dynamic.
-        if: matrix.config == 'devel' # && inputs.test_root_target != 'null'
-        id: calculate-test-targets
-        env:
-          CHANGED_FILES_LIST: changed_files.txt
-          ROOT_TARGET: ${{ inputs.test_root_target }}
-          STATIC_TEST_TARGETS_JSON_FILE: cobalt/build/testing/targets/${{ matrix.platform }}/test_targets.json
-          # TODO(b/382508397): Replace hardcoded list with dynamically generated one.
-          DYN_TEST_TARGETS_JSON_FILE: out/${{ matrix.platform }}_${{ matrix.config }}/dyn_targets.json
-        run: |
-          set -x
-          cd cobalt/src
-
-          if [[ ! -f "${STATIC_TEST_TARGETS_JSON_FILE}" ]]; then
-            echo "Static test targets file not found at ${STATIC_TEST_TARGETS_JSON_FILE}. Skipping step."
-            echo "test_targets_count=0" >> $GITHUB_OUTPUT
-            exit 0
-          fi
-
-          # TODO: b/382508397 - Currently, override with static test targets
-          cp -av "${STATIC_TEST_TARGETS_JSON_FILE}" "${{ inputs.test_targets_json_file }}"
-
-          # gn desc out/${{ matrix.platform }}_${{ matrix.config }}/ "*" --format=json > gn_desc.json
-          # # Trim any warning gn printed before the json (all lines above the first curly brace).
-          # sed -n '/^{/,$p' -i gn_desc.json
-
-          # changed_files_arg=""
-
-          # TODO(oxv): If this list is too it will blow out the command line. Pass list in a file to the script instead.
-          # Since the output of the script below isn't currently used the arg is disabled.
-          # if [[ -s "${CHANGED_FILES_LIST}" ]]; then
-          #   changed_files_arg="--sources $(cat ${CHANGED_FILES_LIST} | jq -cr '. | join(",")')"
-          # fi
-
-          # vpython3 cobalt/build/test_targets.py \
-          #     --root-target "${ROOT_TARGET}" \
-          #     ${changed_files_arg} \
-          #     --gn-json gn_desc.json \
-          #     --json-output > "${DYN_TEST_TARGETS_JSON_FILE}"
-
-
-          test_targets_json=$(cat ${{ inputs.test_targets_json_file }} | jq -cr '.test_targets')
-          echo "test_targets_json=${test_targets_json}" >> $GITHUB_OUTPUT
-
-          test_targets_count=$(echo ${test_targets_json} | jq -cr 'length')
-          echo "test_targets_count=${test_targets_count}" >> $GITHUB_OUTPUT
-        shell: bash
-      - name: Archive test target JSON
-        uses: actions/upload-artifact@v4
-        with:
-          name: ${{ matrix.platform }}_test_targets_json
-          path: cobalt/src/out/${{ matrix.platform }}_${{ matrix.config }}/test_targets.json
-      - name: Ninja build test targets
-        if: ${{ matrix.config == 'devel' && fromJSON(steps.calculate-test-targets.outputs.test_targets_count || 0) > 0 }}
-        id: build-test-targets
-        run: |
-          set -ex
-          cd cobalt/src
-          test_targets=$(echo '${{ steps.calculate-test-targets.outputs.test_targets_json }}' | jq -cr 'join(" ")')
-          time autoninja -C out/${{ matrix.platform }}_${{ matrix.config }} ${test_targets}
-        shell: bash
-      - name: Ninja build
-        env:
-          TARGETS_JSON: ${{ inputs.targets }}
-        run: |
-          set -ex
-          cd cobalt/src
-          TARGETS=$(echo "${TARGETS_JSON}" | jq -cr '. | join(" ")')
-          time autoninja -C out/${{ matrix.platform }}_${{ matrix.config }} ${TARGETS}
-        shell: bash
-      - name: Archive Android APKs
-        if: startsWith(matrix.platform, 'android') && matrix.config == 'qa'
-        uses: actions/upload-artifact@v4
-        with:
-          name: ${{ matrix.platform }} APKs
-          path: |
-            cobalt/src/out/${{ matrix.platform }}_qa/apks/*.apk
-            cobalt/src/out/${{ matrix.platform }}_qa/*_apk/*.apk
-            cobalt/src/out/${{ matrix.platform }}_qa/gen/build_info.json
+    - name: Copy Test Targets
+      shell: bash
+      run: |
+        echo "Mocking build for ${{ inputs.platform }} ${{ inputs.config }}"
+        mkdir -p out/${{ inputs.platform }}_${{ inputs.config }}
+        # Copy the pre-seeded file from dotgithub/resources
+        # Note: We assume the checkout root is available.
+        cp dotgithub/resources/test_targets.json out/${{ inputs.platform }}_${{ inputs.config }}/test_targets.json
diff '--color=auto' -r -u real_dotgithub/actions/depot_tools/action.yaml dotgithub/actions/depot_tools/action.yaml
--- real_dotgithub/actions/depot_tools/action.yaml	2025-12-11 23:04:18.449343262 +0000
+++ dotgithub/actions/depot_tools/action.yaml	2025-12-09 19:21:03.962228881 +0000
@@ -19,7 +19,6 @@
         run: |
           rm -rf /runner-cache/depot_tools /runner-cache/cobalt/.cipd_cache
           git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git /runner-cache/depot_tools
-          git -C /runner-cache/cobalt/src clean -ffdx
         shell: bash
 
       - name: Reset Cached Depot Tools
@@ -69,7 +68,6 @@
             --no-history \
             --nohooks \
             --force \
-            --delete_unversioned_trees \
             --revision ${{ github.sha }}
         shell: bash
 
diff '--color=auto' -r -u real_dotgithub/actions/docker/action.yaml dotgithub/actions/docker/action.yaml
--- real_dotgithub/actions/docker/action.yaml	2025-12-10 19:17:09.350587415 +0000
+++ dotgithub/actions/docker/action.yaml	2025-12-09 20:42:32.831550237 +0000
@@ -42,18 +42,23 @@
       shell: bash
 
     - name: Login to GAR
+      continue-on-error: true
       run: |
         # Login to GAR
         TOKEN_ENDPOINT="http://metadata.google.internal/computeMetadata/v1/instance/service-accounts/default/token"
-        ACCESS_TOKEN=$(curl -H 'Metadata-Flavor: Google' ${TOKEN_ENDPOINT} | jq -r .access_token)
+        if curl -s --connect-timeout 2 ${TOKEN_ENDPOINT} > /dev/null; then
+          ACCESS_TOKEN=$(curl -H 'Metadata-Flavor: Google' ${TOKEN_ENDPOINT} | jq -r .access_token)
 
-        # Login to GAR to be able to push images created by fork based PR workflows.
-        if [[ "${{ inputs.is_pr }}" == "true" ]]; then
-          printf ${ACCESS_TOKEN} | docker login -u oauth2accesstoken --password-stdin https://us-central1-docker.pkg.dev
-        fi
+          # Login to GAR to be able to push images created by fork based PR workflows.
+          if [[ "${{ inputs.is_pr }}" == "true" ]]; then
+            printf ${ACCESS_TOKEN} | docker login -u oauth2accesstoken --password-stdin https://us-central1-docker.pkg.dev
+          fi
 
-        # Login to Marketplace GAR to be able to pull base images.
-        printf ${ACCESS_TOKEN} | docker login -u oauth2accesstoken --password-stdin https://marketplace.gcr.io
+          # Login to Marketplace GAR to be able to pull base images.
+          printf ${ACCESS_TOKEN} | docker login -u oauth2accesstoken --password-stdin https://marketplace.gcr.io
+        else
+          echo "Skipping GAR login as metadata endpoint is not reachable."
+        fi
       shell: bash
 
     - name: Login to GitHub Docker Registry