diff options
Diffstat (limited to 'build-logic/kotlin-plugins/src')
5 files changed, 194 insertions, 0 deletions
diff --git a/build-logic/kotlin-plugins/src/main/kotlin/app/passwordstore/gradle/KtfmtPlugin.kt b/build-logic/kotlin-plugins/src/main/kotlin/app/passwordstore/gradle/KtfmtPlugin.kt new file mode 100644 index 00000000..74e8ba95 --- /dev/null +++ b/build-logic/kotlin-plugins/src/main/kotlin/app/passwordstore/gradle/KtfmtPlugin.kt @@ -0,0 +1,32 @@ +package app.passwordstore.gradle + +import app.passwordstore.gradle.ktfmt.KtfmtCheckTask +import app.passwordstore.gradle.ktfmt.KtfmtFormatTask +import org.gradle.api.Plugin +import org.gradle.api.Project +import org.gradle.kotlin.dsl.register + +class KtfmtPlugin : Plugin<Project> { + + override fun apply(target: Project) { + target.tasks.register<KtfmtFormatTask>("ktfmtFormat") { + source = + project.layout.projectDirectory.asFileTree + .filter { file -> + file.extension == "kt" || + file.extension == "kts" && !file.canonicalPath.contains("build") + } + .asFileTree + } + target.tasks.register<KtfmtCheckTask>("ktfmtCheck") { + source = + project.layout.projectDirectory.asFileTree + .filter { file -> + file.extension == "kt" || + file.extension == "kts" && !file.canonicalPath.contains("build") + } + .asFileTree + projectDirectory.set(target.layout.projectDirectory) + } + } +} diff --git a/build-logic/kotlin-plugins/src/main/kotlin/app/passwordstore/gradle/ktfmt/KtfmtCheckTask.kt b/build-logic/kotlin-plugins/src/main/kotlin/app/passwordstore/gradle/ktfmt/KtfmtCheckTask.kt new file mode 100644 index 00000000..a50c8494 --- /dev/null +++ b/build-logic/kotlin-plugins/src/main/kotlin/app/passwordstore/gradle/ktfmt/KtfmtCheckTask.kt @@ -0,0 +1,68 @@ +package app.passwordstore.gradle.ktfmt + +import com.facebook.ktfmt.format.Formatter +import com.facebook.ktfmt.format.FormattingOptions +import java.io.File +import kotlinx.coroutines.Dispatchers +import kotlinx.coroutines.ExperimentalCoroutinesApi +import kotlinx.coroutines.async +import kotlinx.coroutines.awaitAll +import kotlinx.coroutines.coroutineScope +import kotlinx.coroutines.runBlocking +import org.gradle.api.file.DirectoryProperty +import org.gradle.api.file.FileCollection +import org.gradle.api.tasks.IgnoreEmptyDirectories +import org.gradle.api.tasks.InputFiles +import org.gradle.api.tasks.Internal +import org.gradle.api.tasks.PathSensitive +import org.gradle.api.tasks.PathSensitivity +import org.gradle.api.tasks.SourceTask +import org.gradle.api.tasks.TaskAction + +@OptIn(ExperimentalCoroutinesApi::class) +abstract class KtfmtCheckTask : SourceTask() { + + @get:PathSensitive(PathSensitivity.RELATIVE) + @get:InputFiles + @get:IgnoreEmptyDirectories + protected val inputFiles: FileCollection + get() = super.getSource() + + @get:Internal abstract val projectDirectory: DirectoryProperty + + @TaskAction + fun execute() { + runBlocking(Dispatchers.IO.limitedParallelism(PARALLEL_TASK_LIMIT)) { + coroutineScope { + val results = inputFiles.map { async { checkFile(it) } }.awaitAll() + if (results.any { (notFormatted, _) -> notFormatted }) { + results + .map { (_, diffs) -> diffs } + .forEach { diffs -> KtfmtDiffer.printDiff(diffs, logger) } + error("[ktfmt] Found unformatted files") + } + } + } + } + + private fun checkFile(input: File): Pair<Boolean, List<KtfmtDiffEntry>> { + val originCode = input.readText() + val formattedCode = + Formatter.format( + FormattingOptions( + style = FormattingOptions.Style.GOOGLE, + maxWidth = 100, + continuationIndent = 2, + ), + originCode + ) + val pathNormalizer = { file: File -> file.toRelativeString(projectDirectory.asFile.get()) } + return (originCode != formattedCode) to + KtfmtDiffer.computeDiff(input, formattedCode, pathNormalizer) + } + + companion object { + + private const val PARALLEL_TASK_LIMIT = 4 + } +} diff --git a/build-logic/kotlin-plugins/src/main/kotlin/app/passwordstore/gradle/ktfmt/KtfmtDiffEntry.kt b/build-logic/kotlin-plugins/src/main/kotlin/app/passwordstore/gradle/ktfmt/KtfmtDiffEntry.kt new file mode 100644 index 00000000..44d1a967 --- /dev/null +++ b/build-logic/kotlin-plugins/src/main/kotlin/app/passwordstore/gradle/ktfmt/KtfmtDiffEntry.kt @@ -0,0 +1,3 @@ +package app.passwordstore.gradle.ktfmt + +data class KtfmtDiffEntry(val input: String, val lineNumber: Int, val message: String) diff --git a/build-logic/kotlin-plugins/src/main/kotlin/app/passwordstore/gradle/ktfmt/KtfmtDiffer.kt b/build-logic/kotlin-plugins/src/main/kotlin/app/passwordstore/gradle/ktfmt/KtfmtDiffer.kt new file mode 100644 index 00000000..936596cd --- /dev/null +++ b/build-logic/kotlin-plugins/src/main/kotlin/app/passwordstore/gradle/ktfmt/KtfmtDiffer.kt @@ -0,0 +1,35 @@ +package app.passwordstore.gradle.ktfmt + +import com.github.difflib.DiffUtils +import com.github.difflib.patch.ChangeDelta +import com.github.difflib.patch.DeleteDelta +import com.github.difflib.patch.InsertDelta +import java.io.File +import org.gradle.api.logging.Logger + +object KtfmtDiffer { + fun computeDiff( + inputFile: File, + formattedCode: String, + pathNormalizer: (File) -> String + ): List<KtfmtDiffEntry> { + val originCode = inputFile.readText() + return DiffUtils.diff(originCode, formattedCode, null).deltas.map { + val line = it.source.position + 1 + val message: String = + when (it) { + is ChangeDelta -> "Line changed: ${it.source.lines.first()}" + is DeleteDelta -> "Line deleted" + is InsertDelta -> "Line added" + else -> "" + } + KtfmtDiffEntry(pathNormalizer(inputFile), line, message) + } + } + + fun printDiff(entries: List<KtfmtDiffEntry>, logger: Logger) { + entries.forEach { entry -> + logger.error("${entry.input}:${entry.lineNumber} - ${entry.message}") + } + } +} diff --git a/build-logic/kotlin-plugins/src/main/kotlin/app/passwordstore/gradle/ktfmt/KtfmtFormatTask.kt b/build-logic/kotlin-plugins/src/main/kotlin/app/passwordstore/gradle/ktfmt/KtfmtFormatTask.kt new file mode 100644 index 00000000..82ce4ca3 --- /dev/null +++ b/build-logic/kotlin-plugins/src/main/kotlin/app/passwordstore/gradle/ktfmt/KtfmtFormatTask.kt @@ -0,0 +1,56 @@ +package app.passwordstore.gradle.ktfmt + +import com.facebook.ktfmt.format.Formatter +import com.facebook.ktfmt.format.FormattingOptions +import java.io.File +import kotlinx.coroutines.Dispatchers +import kotlinx.coroutines.ExperimentalCoroutinesApi +import kotlinx.coroutines.async +import kotlinx.coroutines.awaitAll +import kotlinx.coroutines.coroutineScope +import kotlinx.coroutines.runBlocking +import org.gradle.api.file.FileCollection +import org.gradle.api.tasks.IgnoreEmptyDirectories +import org.gradle.api.tasks.InputFiles +import org.gradle.api.tasks.PathSensitive +import org.gradle.api.tasks.PathSensitivity +import org.gradle.api.tasks.SourceTask +import org.gradle.api.tasks.TaskAction + +@OptIn(ExperimentalCoroutinesApi::class) +abstract class KtfmtFormatTask : SourceTask() { + + @get:PathSensitive(PathSensitivity.RELATIVE) + @get:InputFiles + @get:IgnoreEmptyDirectories + protected val inputFiles: FileCollection + get() = super.getSource() + + @TaskAction + fun execute() { + runBlocking(Dispatchers.IO.limitedParallelism(PARALLEL_TASK_LIMIT)) { + coroutineScope { inputFiles.map { async { formatFile(it) } }.awaitAll() } + } + } + + private fun formatFile(input: File) { + val originCode = input.readText() + val formattedCode = + Formatter.format( + FormattingOptions( + style = FormattingOptions.Style.GOOGLE, + maxWidth = 100, + continuationIndent = 2, + ), + originCode + ) + if (originCode != formattedCode) { + input.writeText(formattedCode) + } + } + + companion object { + + private const val PARALLEL_TASK_LIMIT = 4 + } +} |