Do not mark entire root directory as input for git hook task

Author: Rafal Harabien

Diff for: plugin/src/main/kotlin/org/jlleitschuh/gradle/ktlint/GitHook.kt

@@ -2,12 +2,10 @@ package org.jlleitschuh.gradle.ktlint
 
 import org.eclipse.jgit.lib.RepositoryBuilder
 import org.gradle.api.DefaultTask
-import org.gradle.api.file.DirectoryProperty
 import org.gradle.api.file.ProjectLayout
 import org.gradle.api.model.ObjectFactory
 import org.gradle.api.provider.Property
 import org.gradle.api.tasks.Input
-import org.gradle.api.tasks.InputDirectory
 import org.gradle.api.tasks.TaskAction
 import org.intellij.lang.annotations.Language
 import org.jlleitschuh.gradle.ktlint.tasks.BaseKtLintCheckTask
@@ -79,24 +77,24 @@ internal fun generateGitHook(
 
     echo "Running ktlint over these files:"
     echo "${'$'}CHANGED_FILES"
-    
+
     diff=.git/unstaged-ktlint-git-hook.diff
     git diff --color=never > ${'$'}diff
     if [ -s ${'$'}diff ]; then
       git apply -R ${'$'}diff
     fi
-    
+
     ${generateGradleCommand(taskName, gradleRootDirPrefix)}
 
     echo "Completed ktlint run."
     ${postCheck(shouldUpdateCommit)}
-    
+
     if [ -s ${'$'}diff ]; then
       git apply --ignore-whitespace ${'$'}diff
     fi
     rm ${'$'}diff
     unset diff
-    
+
     echo "Completed ktlint hook."
 
     """.trimIndent()
@@ -148,19 +146,13 @@ open class KtlintInstallGitHookTask @Inject constructor(
     @get:Input
     internal val hookName: Property<String> = objectFactory.property(String::class.java)
 
-    @get:InputDirectory
-    internal val projectDir: DirectoryProperty = objectFactory.directoryProperty().apply {
-        set(projectLayout.projectDirectory)
-    }
+    private val projectDir = projectLayout.projectDirectory.asFile
 
-    @get:InputDirectory
-    internal val rootDirectory: DirectoryProperty = objectFactory.directoryProperty().apply {
-        set(project.rootDir)
-    }
+    private val rootDirectory = project.rootDir
 
     @TaskAction
     fun installHook() {
-        val repo = RepositoryBuilder().findGitDir(projectDir.get().asFile).setMustExist(false).build()
+        val repo = RepositoryBuilder().findGitDir(projectDir).setMustExist(false).build()
         if (!repo.objectDatabase.exists()) {
             logger.warn("No git folder was found!")
             return
@@ -173,7 +165,7 @@ open class KtlintInstallGitHookTask @Inject constructor(
             gitHookFile.createNewFile()
             gitHookFile.setExecutable(true)
         }
-        val gradleRootDirPrefix = rootDirectory.get().asFile.relativeTo(repo.workTree).path
+        val gradleRootDirPrefix = rootDirectory.relativeTo(repo.workTree).path
 
         if (gitHookFile.length() == 0L) {
             gitHookFile.writeText(