Use internal Gitea endpoint for package uploads [skip ci]

.gitea/workflows/build.yml

@@ -98,6 +98,7 @@ jobs:
           GITEA_SERVER_URL: ${{ github.server_url }}
           GITEA_OWNER: ${{ github.repository_owner }}
           GITEA_REPOSITORY: ${{ github.repository }}
+          PACKAGE_INTERNAL_URL: ${{ vars.PACKAGE_INTERNAL_URL }}
           BUILD_REF_NAME: ${{ github.ref_name }}
           PUBLISH_VERSION: ${{ inputs.publish_version }}
         run: |
@@ -105,7 +106,10 @@ jobs:
 
           package_version="${PUBLISH_VERSION:-$BUILD_REF_NAME}"
           repository_name="${GITEA_REPOSITORY#*/}"
-          package_url="$GITEA_SERVER_URL/api/packages/$GITEA_OWNER/generic/bdrclone/$package_version"
+          package_server="${PACKAGE_INTERNAL_URL:-$GITEA_SERVER_URL}"
+          gitea_host="${GITEA_SERVER_URL#*://}"
+          gitea_host="${gitea_host%%/*}"
+          package_url="$package_server/api/packages/$GITEA_OWNER/generic/bdrclone/$package_version"
 
           for package_file in dist/*.tar.gz dist/SHA256SUMS; do
             curl --fail-with-body --silent --show-error \
@@ -113,6 +117,7 @@ jobs:
               --connect-timeout 20 --max-time 300 \
               --request PUT \
               --header "Authorization: token $GITEA_TOKEN" \
+              --header "Host: $gitea_host" \
               --upload-file "$package_file" \
               "$package_url/$(basename "$package_file")"
           done
@@ -122,7 +127,8 @@ jobs:
             --connect-timeout 20 --max-time 300 \
             --request POST \
             --header "Authorization: token $GITEA_TOKEN" \
-            "$GITEA_SERVER_URL/api/v1/packages/$GITEA_OWNER/generic/bdrclone/-/link/$repository_name"
+            --header "Host: $gitea_host" \
+            "$package_server/api/v1/packages/$GITEA_OWNER/generic/bdrclone/-/link/$repository_name"
 
       - name: Upload temporary build artifacts
         continue-on-error: true