Merge pull request #444 from Kotlin/installGitPreCommitHook-fix

pre-commit hook task fix

Author: Jolanrensen

core/build.gradle.kts

@@ -159,9 +159,15 @@ tasks.withType<KorroTask> {
 val installGitPreCommitHook by tasks.creating(Copy::class) {
     doNotTrackState(/* reasonNotToTrackState = */ "Fails on TeamCity otherwise.")
 
-    from(File(rootProject.rootDir, "gradle/scripts/pre-commit"))
-    into(File(rootProject.rootDir, ".git/hooks"))
-    fileMode = 755
+    val gitHooksDir = File(rootProject.rootDir, ".git/hooks")
+    if (gitHooksDir.exists()) {
+        from(File(rootProject.rootDir, "gradle/scripts/pre-commit"))
+        into(gitHooksDir)
+        fileMode = 755
+    } else {
+        logger.lifecycle("'.git/hooks' directory not found. Skipping installation of pre-commit hook.")
+    }
+
 }
 tasks.named("assemble") {
     dependsOn(installGitPreCommitHook)

core/generated-sources/src/test/kotlin/org/jetbrains/kotlinx/dataframe/explainer/PluginCallbackProxy.kt

@@ -118,7 +118,7 @@ object PluginCallbackProxy : PluginCallback {
                             body =
                             """
                             <details>
-                            <summary>${expressions.joinToSource()
+                            <summary>${expressions.joinToString(".") { it.source }
                                 .also {
                                     if (it.length > 95) TODO("expression is too long ${it.length}. better to split sample in multiple snippets")
                                 }