Updates for credential testing

.forgejo/workflows/build.yaml

@@ -4,8 +4,9 @@ jobs:
     runs-on: docker
     container:
       image: registry.garrity.co:8443/gs/ci-scala:latest
+    env:
+      GS_MAVEN_USER: ${{ vars.GS_MAVEN_USER }}
+      GS_MAVEN_TOKEN: ${{ vars.GS_MAVEN_TOKEN }}
     steps:
       - uses: actions/checkout@v4
-      - run: cat /home/builder/.sbt/.credentials
-      - run: echo "password=${{ secrets.GS_MAVEN_TOKEN }}" >> "/home/builder/.sbt/.credentials"
       - run: sbt test

project/plugins.sbt

@@ -1,4 +1,27 @@
-credentials += Credentials(Path.userHome / ".sbt" / ".credentials")
+def selectCredentials(): Credentials =
+  if (Path.userHome.exists())
+    Credentials(Path.userHome / ".sbt" / ".credentials")
+  else
+    Credentials.apply(
+      realm = "Reposilite",
+      host = "maven.garrity.co",
+      userName = sys.env
+        .get("GS_MAVEN_USER")
+        .getOrElse(
+          throw new RuntimeException(
+            "You must either provide ~/.sbt/.credentials or specify the GS_MAVEN_USER environment variable."
+          )
+        ),
+      passwd = sys.env
+        .get("GS_MAVEN_TOKEN")
+        .getOrElse(
+          throw new RuntimeException(
+            "You must either provide ~/.sbt/.credentials or specify the GS_MAVEN_TOKEN environment variable."
+          )
+        )
+    )
+
+credentials += selectCredentials()
 
 externalResolvers := Seq(
   "Garrity Software Mirror" at "https://maven.garrity.co/releases",