CI: Access DagsHub repository via an access token (#4078)

Author: seisman

.github/workflows/ci_tests.yaml

@@ -163,7 +163,11 @@ jobs:
 
       # Pull baseline image data from dvc remote (DAGsHub)
       - name: Pull baseline image data from dvc remote
-        run: uv run dvc pull --no-run-cache --verbose && ls -lhR pygmt/tests/baseline/
+        run: |
+          uv run dvc remote modify upstream url https://${DAGSHUB_TOKEN}@dagshub.com/GenericMappingTools/pygmt.dvc --local
+          uv run dvc pull --no-run-cache --verbose && ls -lhR pygmt/tests/baseline/
+        env:
+          DAGSHUB_TOKEN: ${{ secrets.DAGSHUB_TOKEN }}
 
       # Install the package that we want to test
       - name: Install the package

.github/workflows/ci_tests_dev.yaml

@@ -161,7 +161,11 @@ jobs:
 
       # Pull baseline image data from dvc remote (DAGsHub)
       - name: Pull baseline image data from dvc remote
-        run: dvc pull --no-run-cache --verbose && ls -lhR pygmt/tests/baseline/
+        run: |
+          dvc remote modify upstream url https://${DAGSHUB_TOKEN}@dagshub.com/GenericMappingTools/pygmt.dvc --local
+          dvc pull --no-run-cache --verbose && ls -lhR pygmt/tests/baseline/
+        env:
+          DAGSHUB_TOKEN: ${{ secrets.DAGSHUB_TOKEN }}
 
       # Download cached remote files (artifacts) from GitHub
       - name: Download remote data from GitHub

.github/workflows/dvc-diff.yml

@@ -57,10 +57,14 @@ jobs:
       env:
         repo_token: ${{ github.token }}
         PR_HEAD_SHA: ${{ github.event.pull_request.head.sha }}
+        DAGSHUB_TOKEN: ${{ secrets.DAGSHUB_TOKEN }}
       run: |
         echo -e "## Summary of changed images\n" > report.md
         echo -e "This is an auto-generated report of images that have changed on the DVC remote\n" >> report.md
 
+        # Configure DVC to use the DAGsHub remote via a token
+        dvc remote modify upstream url https://${DAGSHUB_TOKEN}@dagshub.com/GenericMappingTools/pygmt.dvc --local
+
         # Pull image data from cloud storage
         dvc pull --remote upstream
         dvc diff --md main HEAD >> report.md

.github/workflows/release-baseline-images.yml

@@ -31,7 +31,11 @@ jobs:
       uses: iterative/setup-dvc@175771be1dc3d119268e00a896b52a4b77decb5e # v1.2.0
 
     - name: Pull baseline image data from dvc remote
-      run: dvc pull && ls -lhR pygmt/tests/baseline/
+      run: |
+        dvc remote modify upstream url https://${DAGSHUB_TOKEN}@dagshub.com/GenericMappingTools/pygmt.dvc --local
+        dvc pull && ls -lhR pygmt/tests/baseline/
+      env:
+        DAGSHUB_TOKEN: ${{ secrets.DAGSHUB_TOKEN }}
 
     - name: Create the baseline image asset in zip format
       run: |