build: Add PR check workflow (podman-desktop#10)

* build: Add PR check workflow

Signed-off-by: Jeff MAURY <[email protected]>

.github/workflows/pr-check.yaml

@@ -0,0 +1,64 @@
+#
+# Copyright (C) 2023 Red Hat, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+name: pr-check
+
+on:
+  pull_request:
+    branches:
+      - gh-pages
+
+jobs:
+    verify:
+        name: Verify
+        runs-on: ubuntu-22.04
+        steps:
+            - uses: actions/checkout@v3
+
+            - name: Verify images
+              run: |
+                if [ -f api/extensions.json ]; then
+                  for i in `jq -r .extensions[].versions[].ociUri api/extensions.json`
+                  do
+                    echo "Verify image $i"
+                    podman pull -q $i
+                  done
+                else 
+                  echo "api/extensions.json removed, forbidden"
+                  exit 1
+                fi
+
+            - name: Verify files
+              run: |
+                if [ -f api/extensions.json ]; then
+                  for u in `jq -r .extensions[].versions[].files[].data api/extensions.json`
+                  do
+                    if [[ "$u" =~ ^"https://registry.podman-desktop.io" ]]; then
+                      f=${u:35}
+                      if [ ! -f "$f" ]; then
+                        echo "$f does not exist."
+                        exit 1
+                      fi
+                    else
+                      echo "Verify URL $u"
+                      curl -f -s -o /dev/null $u
+                    fi
+                  done
+                else
+                  echo "api/extensions.json removed, forbidden"
+                  exit 1
+                fi