Auto-commit after successful build: update app gameplay/UI, improve build setup

Changed files:\napp/build.gradle.kts
app/src/main/java/solutions/tretter/githugandroid/GitEditorCommands.kt
app/src/main/java/solutions/tretter/githugandroid/GitHugApp.kt
app/src/main/java/solutions/tretter/githugandroid/GitMessageEditorDialog.kt
app/src/main/java/solutions/tretter/githugandroid/GitRuntime.kt
app/src/test/java/solutions/tretter/githugandroid/GitEditorCommandsTest.kt

app/src/test/java/solutions/tretter/githugandroid/GitEditorCommandsTest.kt

@@ -0,0 +1,38 @@
+package solutions.tretter.githugandroid
+
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNull
+import org.junit.Test
+
+class GitEditorCommandsTest {
+    @Test
+    fun commitWithoutMessageOpensEditor() {
+        val invocation = parseGitEditorInvocation("git commit")
+
+        assertEquals(GitEditorCommandKind.COMMIT_MESSAGE, invocation?.kind)
+        assertEquals("Edit Commit Message", invocation?.title)
+    }
+
+    @Test
+    fun commitWithMessageDoesNotOpenEditor() {
+        assertNull(parseGitEditorInvocation("git commit -m \"message\""))
+    }
+
+    @Test
+    fun amendNoEditDoesNotOpenEditor() {
+        assertNull(parseGitEditorInvocation("git commit --amend --no-edit"))
+    }
+
+    @Test
+    fun annotatedTagWithoutMessageOpensEditor() {
+        val invocation = parseGitEditorInvocation("git tag -a v1.0")
+
+        assertEquals(GitEditorCommandKind.TAG_MESSAGE, invocation?.kind)
+        assertEquals("Edit Tag Message", invocation?.title)
+    }
+
+    @Test
+    fun lightweightTagDoesNotOpenEditor() {
+        assertNull(parseGitEditorInvocation("git tag v1.0"))
+    }
+}