Misc Changes

app/src/main/java/solutions/tretter/githugandroid/levels/PullLevel.kt

@@ -0,0 +1,22 @@
+package solutions.tretter.githugandroid
+
+/**
+ * Port of the upstream ruby-githug `pull` level.
+ *
+ * Setup documents the repository shape the learner explores. Evaluation is kept
+ * state-based whenever the exercise changes repository objects; answer-only
+ * levels intentionally validate the answer entered at the prompt.
+ */
+internal fun pullLevel(): Level = level(
+    id = "pull",
+    title = "Pull",
+    description = "You need to pull changes from your origin repository.",
+    hints = listOf("Check out the remote repositories and research `git pull`."),
+    commandSuggestions = listOf("git pull origin master"),
+    setup = { RepoState(initialized = true, remotes = mapOf("origin" to "https://github.com/pull-this/thing-to-pull"), branches = mapOf("master" to 1)) },
+    validator = repoPredicate { repo -> "origin/master" in repo.fetchedBranches && (repo.branches["master"] ?: 0) >= 2 },
+    testCases = listOf(
+        levelTestCase("pull explicit remote branch", "git pull origin master"),
+        levelTestCase("pull default origin", "git pull"),
+    ),
+)