backport: 20.2.0

CHANGELOG.md

@@ -17,6 +17,13 @@ Changelog structure reference:
 
 ## [Unreleased]
 
+## [20.2.0]
+
+### Added
+
+- Zig
+  - Live template support
+
 ## [20.1.3]
 
 ### Added

build.gradle.kts

@@ -8,7 +8,7 @@ import org.jetbrains.kotlin.gradle.tasks.KotlinCompilationTask
 plugins {
     kotlin("jvm") version "1.9.22" apply false
     kotlin("plugin.serialization") version "1.9.22" apply false
-    id("org.jetbrains.intellij.platform") version "2.1.0"
+    id("org.jetbrains.intellij.platform") version "2.2.1"
     id("org.jetbrains.changelog") version "2.2.1"
     id("org.jetbrains.grammarkit") version "2022.3.2.2" apply false
     idea
@@ -93,11 +93,6 @@ allprojects {
             defaultRepositories()
         }
     }
-    dependencies {
-        intellijPlatform {
-            instrumentationTools()
-        }
-    }
 }
 
 dependencies {

cidr/src/main/kotlin/com/falsepattern/zigbrains/debugger/win/WinDAPDriver.kt

@@ -38,6 +38,7 @@ import org.eclipse.lsp4j.jsonrpc.MessageConsumer
 import org.eclipse.lsp4j.jsonrpc.debug.messages.DebugResponseMessage
 import org.eclipse.lsp4j.jsonrpc.messages.Message
 import org.eclipse.lsp4j.jsonrpc.services.JsonRequest
+import java.io.InputStream
 import java.lang.RuntimeException
 import java.security.MessageDigest
 import java.util.Base64
@@ -73,7 +74,7 @@ class WinDAPDriver(handler: Handler) : DAPDriver<IDebugProtocolServer, WinDAPDri
         handshakeFinished.acquire()
     }
 
-    inner class WinDAPDebuggerClient: DAPDriver<IDebugProtocolServer, WinDAPDriver.WinDAPDebuggerClient>.DAPDebuggerClient() {
+    inner class WinDAPDebuggerClient: DAPDriver<IDebugProtocolServer, WinDAPDebuggerClient>.DAPDebuggerClient() {
         override fun output(args: OutputEventArguments) {
             if ("telemetry" == args.category)
                 return
@@ -92,7 +93,7 @@ class WinDAPDriver(handler: Handler) : DAPDriver<IDebugProtocolServer, WinDAPDri
             val hasher = MessageDigest.getInstance("SHA-256")
             hasher.update(handshake.value.encodeToByteArray())
             val inflater = Inflater(true)
-            val coconut = DAPDebuggerClient::class.java.getResourceAsStream("/coconut.jpg").use { it.readAllBytes() } ?: throw RuntimeException("No coconut")
+            val coconut = DAPDebuggerClient::class.java.getResourceAsStream("/coconut.jpg")?.use(InputStream::readAllBytes) ?: throw RuntimeException("No coconut")
             inflater.setInput(coconut, coconut.size - 80, 77)
             inflater.finished()
             val b = ByteArray(1)

core/src/main/kotlin/com/falsepattern/zigbrains/direnv/DirenvCmd.kt

@@ -65,10 +65,10 @@ object DirenvCmd {
                 return emptyEnv
             }
         }
-        if (runOutput.output.isBlank()) {
+        return if (runOutput.output.isBlank()) {
-            return emptyEnv
+            emptyEnv
         } else {
-            return Env(Json.decodeFromString<Map<String, String>>(runOutput.output))
+            Env(Json.decodeFromString<Map<String, String>>(runOutput.output))
         }
     }
 

core/src/main/kotlin/com/falsepattern/zigbrains/lsp/ZigLanguageServerFactory.kt

@@ -72,7 +72,7 @@ class ZigLanguageServerFactory: LanguageServerFactory, LanguageServerEnablementS
     }
 
     override fun isEnabled(project: Project): Boolean {
-        return (project.getUserData(ENABLED_KEY) ?: true) && project.zlsSettings.validate()
+        return (project.getUserData(ENABLED_KEY) != false) && project.zlsSettings.validate()
     }
 
     override fun setEnabled(enabled: Boolean, project: Project) {

core/src/main/kotlin/com/falsepattern/zigbrains/project/execution/base/Configuration.kt

@@ -224,7 +224,7 @@ class FilePathConfigurable(
     }
 }
 
-class CheckboxConfigurable(
+open class CheckboxConfigurable(
     @Transient private val serializedName: String,
     @Transient @Nls private val label: String,
     var value: Boolean
@@ -274,10 +274,17 @@ class CheckboxConfigurable(
     }
 }
 
-fun ColoredConfigurable(serializedName: String) = CheckboxConfigurable(serializedName, ZigBrainsBundle.message("exec.option.label.colored-terminal"), true)
+class ColoredConfigurable(serializedName: String): CheckboxConfigurable(serializedName, ZigBrainsBundle.message("exec.option.label.colored-terminal"), true) {
+    override fun clone(): ColoredConfigurable {
+        return super.clone() as ColoredConfigurable
+    }
+}
 
-fun DirenvConfigurable(serializedName: String, project: Project) =
+class DirenvConfigurable(serializedName: String, project: Project): CheckboxConfigurable(serializedName, ZigBrainsBundle.message("exec.option.label.direnv"), project.zigProjectSettings.state.direnv) {
-    CheckboxConfigurable(serializedName, ZigBrainsBundle.message("exec.option.label.direnv"), project.zigProjectSettings.state.direnv)
+    override fun clone(): DirenvConfigurable {
+        return super.clone() as DirenvConfigurable
+    }
+}
 
 class OptimizationConfigurable(
     @Transient private val serializedName: String,

core/src/main/kotlin/com/falsepattern/zigbrains/project/execution/base/ZigExecConfig.kt

@@ -24,7 +24,6 @@ package com.falsepattern.zigbrains.project.execution.base
 
 import com.falsepattern.zigbrains.ZigBrainsBundle
 import com.falsepattern.zigbrains.direnv.DirenvCmd
-import com.falsepattern.zigbrains.project.toolchain.AbstractZigToolchain
 import com.intellij.execution.ExecutionException
 import com.intellij.execution.Executor
 import com.intellij.execution.configurations.ConfigurationFactory

core/src/main/kotlin/com/falsepattern/zigbrains/project/execution/base/ZigTopLevelLineMarker.kt

@@ -34,7 +34,7 @@ abstract class ZigTopLevelLineMarker: RunLineMarkerContributor() {
     private fun getParentIfTopLevel(element: PsiElement): PsiElement? {
         var parent = getDeclaration(element)
 
-        var nestingLevel = 0;
+        var nestingLevel = 0
         while (parent != null && parent !is PsiFile) {
             if (parent.elementType == ZigTypes.CONTAINER_DECLARATION) {
                 if (nestingLevel != 0)
@@ -54,7 +54,7 @@ abstract class ZigTopLevelLineMarker: RunLineMarkerContributor() {
 
     override fun getInfo(element: PsiElement): Info? {
         if (!elementMatches(element))
-            return null;
+            return null
         val actions = ExecutorAction.getActions(0)
         return Info(getIcon(element), actions, null)
     }

core/src/main/kotlin/com/falsepattern/zigbrains/project/execution/build/ZigExecConfigBuild.kt

@@ -82,10 +82,10 @@ class ZigExecConfigBuild(project: Project, factory: ConfigurationFactory): ZigEx
 
     override fun getConfigurables(): List<ZigConfigurable<*>> {
         val baseCfg = super.getConfigurables() + listOf(buildSteps, extraArgs, colored)
-        if (ZBFeatures.debug()) {
+        return if (ZBFeatures.debug()) {
-            return baseCfg + listOf(exePath, exeArgs)
+            baseCfg + listOf(exePath, exeArgs)
         } else {
-            return baseCfg
+            baseCfg
         }
     }
 

core/src/main/kotlin/com/falsepattern/zigbrains/project/execution/build/ZigProfileStateBuild.kt

@@ -25,5 +25,4 @@ package com.falsepattern.zigbrains.project.execution.build
 import com.falsepattern.zigbrains.project.execution.base.ZigProfileState
 import com.intellij.execution.runners.ExecutionEnvironment
 
-class ZigProfileStateBuild(environment: ExecutionEnvironment, configuration: ZigExecConfigBuild) : ZigProfileState<ZigExecConfigBuild>(environment, configuration) {
+class ZigProfileStateBuild(environment: ExecutionEnvironment, configuration: ZigExecConfigBuild) : ZigProfileState<ZigExecConfigBuild>(environment, configuration)
-}

core/src/main/kotlin/com/falsepattern/zigbrains/project/execution/run/ZigProfileStateRun.kt

@@ -25,5 +25,4 @@ package com.falsepattern.zigbrains.project.execution.run
 import com.falsepattern.zigbrains.project.execution.base.ZigProfileState
 import com.intellij.execution.runners.ExecutionEnvironment
 
-class ZigProfileStateRun(environment: ExecutionEnvironment, configuration: ZigExecConfigRun) : ZigProfileState<ZigExecConfigRun>(environment, configuration) {
+class ZigProfileStateRun(environment: ExecutionEnvironment, configuration: ZigExecConfigRun) : ZigProfileState<ZigExecConfigRun>(environment, configuration)
-}

core/src/main/kotlin/com/falsepattern/zigbrains/project/execution/test/ZigProfileStateTest.kt

@@ -25,5 +25,4 @@ package com.falsepattern.zigbrains.project.execution.test
 import com.falsepattern.zigbrains.project.execution.base.ZigProfileState
 import com.intellij.execution.runners.ExecutionEnvironment
 
-class ZigProfileStateTest(environment: ExecutionEnvironment, configuration: ZigExecConfigTest) : ZigProfileState<ZigExecConfigTest>(environment, configuration) {
+class ZigProfileStateTest(environment: ExecutionEnvironment, configuration: ZigExecConfigTest) : ZigProfileState<ZigExecConfigTest>(environment, configuration)
-}

core/src/main/kotlin/com/falsepattern/zigbrains/project/newproject/ZigProjectConfigurationData.kt

@@ -28,13 +28,11 @@ import com.falsepattern.zigbrains.project.settings.ZigProjectSettings
 import com.falsepattern.zigbrains.project.settings.zigProjectSettings
 import com.falsepattern.zigbrains.project.template.ZigInitTemplate
 import com.falsepattern.zigbrains.project.template.ZigProjectTemplate
-import com.falsepattern.zigbrains.shared.coroutine.withEDTContext
 import com.falsepattern.zigbrains.shared.zigCoroutineScope
 import com.intellij.notification.Notification
 import com.intellij.notification.NotificationType
 import com.intellij.openapi.GitRepositoryInitializer
 import com.intellij.openapi.application.writeAction
-import com.intellij.openapi.progress.coroutineToIndicator
 import com.intellij.openapi.project.Project
 import com.intellij.openapi.vfs.VfsUtil
 import com.intellij.openapi.vfs.VirtualFile
@@ -42,11 +40,7 @@ import com.intellij.openapi.vfs.toNioPathOrNull
 import com.intellij.platform.util.progress.reportProgress
 import com.intellij.util.ResourceUtil
 import com.intellij.util.concurrency.annotations.RequiresBackgroundThread
-import com.intellij.util.concurrency.annotations.RequiresEdt
-import com.intellij.util.concurrency.annotations.RequiresWriteLock
-import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
-import kotlinx.coroutines.withContext
 
 @JvmRecord
 data class ZigProjectConfigurationData(
@@ -141,7 +135,7 @@ private suspend fun createGitIgnoreFile(project: Project, projectDir: VirtualFil
     writeAction {
         ZigProjectConfigurationData::class.java.getResourceAsStream("/fileTemplates/internal/gitignore")?.use {
             val file = projectDir.createChildData(requestor, ".gitignore")
-            file.setCharset(Charsets.UTF_8)
+            file.charset = Charsets.UTF_8
             file.setBinaryContent(it.readAllBytes())
         }
     }

core/src/main/kotlin/com/falsepattern/zigbrains/project/run/ZigProcessHandler.kt

@@ -48,17 +48,17 @@ class ZigProcessHandler : KillableColoredProcessHandler, ColoredTextAcceptor {
 
 private val VT100_CHARS = CharArray(256).apply {
     this.fill(' ')
-    this[0x6A] = '┘';
+    this[0x6A] = '┘'
-    this[0x6B] = '┐';
+    this[0x6B] = '┐'
-    this[0x6C] = '┌';
+    this[0x6C] = '┌'
-    this[0x6D] = '└';
+    this[0x6D] = '└'
-    this[0x6E] = '┼';
+    this[0x6E] = '┼'
-    this[0x71] = '─';
+    this[0x71] = '─'
-    this[0x74] = '├';
+    this[0x74] = '├'
-    this[0x75] = '┤';
+    this[0x75] = '┤'
-    this[0x76] = '┴';
+    this[0x76] = '┴'
-    this[0x77] = '┬';
+    this[0x77] = '┬'
-    this[0x78] = '│';
+    this[0x78] = '│'
 }
 
 private const val VT100_BEGIN_SEQ = "\u001B(0"

core/src/main/kotlin/com/falsepattern/zigbrains/project/run/ZigProgramRunner.kt

@@ -25,7 +25,6 @@ package com.falsepattern.zigbrains.project.run
 import com.falsepattern.zigbrains.project.execution.base.ZigProfileState
 import com.falsepattern.zigbrains.project.settings.zigProjectSettings
 import com.falsepattern.zigbrains.project.toolchain.AbstractZigToolchain
-import com.falsepattern.zigbrains.shared.coroutine.withEDTContext
 import com.falsepattern.zigbrains.shared.zigCoroutineScope
 import com.intellij.execution.ExecutionException
 import com.intellij.execution.configurations.RunProfileState

core/src/main/kotlin/com/falsepattern/zigbrains/project/settings/ZigProjectSettingsPanel.kt

@@ -27,7 +27,6 @@ import com.falsepattern.zigbrains.direnv.DirenvCmd
 import com.falsepattern.zigbrains.project.toolchain.LocalZigToolchain
 import com.falsepattern.zigbrains.project.toolchain.ZigToolchainProvider
 import com.falsepattern.zigbrains.shared.coroutine.launchWithEDT
-import com.falsepattern.zigbrains.shared.coroutine.withEDTContext
 import com.falsepattern.zigbrains.shared.zigCoroutineScope
 import com.intellij.openapi.Disposable
 import com.intellij.openapi.fileChooser.FileChooserDescriptorFactory

core/src/main/kotlin/com/falsepattern/zigbrains/project/steps/discovery/ZigStepDiscoveryListener.kt

@@ -28,9 +28,6 @@ interface ZigStepDiscoveryListener {
     suspend fun errorReload(type: ErrorType, details: String?) {}
     suspend fun timeoutReload(seconds: Int) {}
 
-    companion object {
-    }
-
     enum class ErrorType {
         MissingToolchain,
         MissingBuildZig,

core/src/main/kotlin/com/falsepattern/zigbrains/project/steps/discovery/ZigStepDiscoveryService.kt

@@ -44,7 +44,7 @@ class ZigStepDiscoveryService(private val project: Project) {
     private val reloading = AtomicBoolean(false)
     private val reloadScheduled = AtomicBoolean(false)
     private val reloadMutex = Mutex()
-    private var CURRENT_TIMEOUT_SEC = DEFAULT_TIMEOUT_SEC
+    private var currentTimeoutSec = DEFAULT_TIMEOUT_SEC
     private val listeners = ArrayList<ZigStepDiscoveryListener>()
     private val listenerMutex = Mutex()
 
@@ -83,10 +83,10 @@ class ZigStepDiscoveryService(private val project: Project) {
         val result = zig.callWithArgs(
             project.guessProjectDir()?.toNioPathOrNull(),
             "build", "-l",
-            timeoutMillis = CURRENT_TIMEOUT_SEC * 1000L
+            timeoutMillis = currentTimeoutSec * 1000L
         )
         if (result.checkSuccess(LOG)) {
-            CURRENT_TIMEOUT_SEC = DEFAULT_TIMEOUT_SEC
+            currentTimeoutSec = DEFAULT_TIMEOUT_SEC
             val lines = result.stdoutLines
             val steps = ArrayList<Pair<String, String?>>()
             for (line in lines) {
@@ -99,8 +99,8 @@ class ZigStepDiscoveryService(private val project: Project) {
             }
             postReload(steps)
         } else if (result.isTimeout) {
-            timeoutReload(CURRENT_TIMEOUT_SEC)
+            timeoutReload(currentTimeoutSec)
-            CURRENT_TIMEOUT_SEC *= 2
+            currentTimeoutSec *= 2
         } else if (result.stderrLines.any { it.contains("error: no build.zig file found, in the current directory or any parent directories") }) {
             errorReload(ErrorType.MissingBuildZig, result.stderr)
         } else {

core/src/main/kotlin/com/falsepattern/zigbrains/zig/codeInsight/ZigContext.kt

@@ -0,0 +1,48 @@
+/*
+ * This file is part of ZigBrains.
+ *
+ * Copyright (C) 2023-2024 FalsePattern
+ * All Rights Reserved
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * ZigBrains is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, only version 3 of the License.
+ *
+ * ZigBrains is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with ZigBrains. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.falsepattern.zigbrains.zig.codeInsight
+
+import com.falsepattern.zigbrains.ZigBrainsBundle
+import com.falsepattern.zigbrains.zig.psi.ZigFile
+import com.falsepattern.zigbrains.zig.psi.ZigTypes
+import com.intellij.codeInsight.template.TemplateActionContext
+import com.intellij.codeInsight.template.TemplateContextType
+import com.intellij.psi.util.elementType
+
+class ZigContext: TemplateContextType(ZigBrainsBundle.message("zig")) {
+    override fun isInContext(templateActionContext: TemplateActionContext): Boolean {
+        val file = templateActionContext.file
+        val offset = templateActionContext.startOffset
+
+        if (file !is ZigFile)
+            return false
+
+        val element = file.findElementAt(offset) ?: return true
+
+        return when (element.elementType) {
+            ZigTypes.LINE_COMMENT, ZigTypes.CONTAINER_DOC_COMMENT, ZigTypes.DOC_COMMENT -> false
+            ZigTypes.STRING_LITERAL_SINGLE, ZigTypes.STRING_LITERAL_MULTI -> false
+            else -> true
+        }
+    }
+}

core/src/main/kotlin/com/falsepattern/zigbrains/zig/injection/ZigStringElementManipulator.kt

@@ -41,7 +41,7 @@ class ZigStringElementManipulator: AbstractElementManipulator<ZigStringLiteral>(
         val originalContext = element.text!!
         val isMultiline = element.isMultiline
         @NonNls
-        val prefix = "const x = \n";
+        val prefix = "const x = \n"
         val suffix = "\n;"
         val sbFactory: (Int) -> StringBuilder = {
             val sb = StringBuilder(prefix.length + suffix.length + it)

core/src/main/kotlin/com/falsepattern/zigbrains/zig/intentions/MakeStringMultiline.kt

@@ -38,7 +38,7 @@ class MakeStringMultiline: PsiElementBaseIntentionAction() {
     override fun getFamilyName() = ZigBrainsBundle.message("intention.family.name.make-string-multiline")
 
     override fun isAvailable(project: Project, editor: Editor?, element: PsiElement) =
-        editor != null && element.parentOfType<ZigStringLiteral>()?.isMultiline?.not() ?: false
+        editor != null && element.parentOfType<ZigStringLiteral>()?.isMultiline?.not() == true
 
     override fun invoke(project: Project, editor: Editor?, element: PsiElement) {
         editor ?: return

core/src/main/kotlin/com/falsepattern/zigbrains/zig/intentions/MakeStringQuoted.kt

@@ -41,7 +41,7 @@ class MakeStringQuoted: PsiElementBaseIntentionAction() {
     override fun getFamilyName() = ZigBrainsBundle.message("intention.family.name.make-string-quoted")
 
     override fun isAvailable(project: Project, editor: Editor?, element: PsiElement) =
-        editor != null && element.parentOfType<ZigStringLiteral>()?.isMultiline ?: false
+        editor != null && element.parentOfType<ZigStringLiteral>()?.isMultiline == true
 
     override fun invoke(project: Project, editor: Editor?, element: PsiElement) {
         editor ?: return

core/src/main/kotlin/com/falsepattern/zigbrains/zig/lexerstring/ZigLexerStringAdapter.kt

@@ -24,5 +24,4 @@ package com.falsepattern.zigbrains.zig.lexerstring
 
 import com.intellij.lexer.FlexAdapter
 
-class ZigLexerStringAdapter: FlexAdapter(ZigLexerString(null)) {
+class ZigLexerStringAdapter: FlexAdapter(ZigLexerString(null))
-}

core/src/main/kotlin/com/falsepattern/zigbrains/zig/psi/impl/mixins/ZigStringLiteralMixinImpl.kt

@@ -67,7 +67,7 @@ abstract class ZigStringLiteralMixinImpl(node: ASTNode): ASTWrapperPsiElement(no
                 val text = myHost.text.also { _text = it }
                 val isMultiline = myHost.isMultiline
                 val contentRanges = myHost.contentRanges.also { _contentRanges = it }
-                var decoded = false;
+                var decoded = false
                 for (range in contentRanges) {
                     val intersection = range.intersection(rangeInsideHost) ?: continue
                     decoded = true

core/src/main/kotlin/com/falsepattern/zigbrains/zon/completion/ZonCompletionContributor.kt

@@ -133,7 +133,7 @@ private fun doAddCompletions(
 
 private val ZonProperty.isDependency: Boolean
     get() {
-        return parentOfType<ZonEntry>()?.isDependency ?: false
+        return parentOfType<ZonEntry>()?.isDependency == true
     }
 
 private val ZonEntry.isDependency: Boolean

core/src/main/resources/META-INF/zigbrains-core.xml

@@ -170,6 +170,11 @@
                 icon="/icons/zig_build_tool.svg"
                 id="zigbrains.build"
         />
+
+        <liveTemplateContext
+                contextId="ZIG"
+                implementation="com.falsepattern.zigbrains.zig.codeInsight.ZigContext"
+        />
     </extensions>
 
     <extensions defaultExtensionNs="com.falsepattern.zigbrains">

core/src/main/resources/zigbrains/Bundle.properties

@@ -114,4 +114,5 @@ build.tool.window.status.loading=Running zig build -l
 build.tool.window.status.error.missing-build-zig=No build.zig file found
 build.tool.window.status.error.missing-toolchain=No zig toolchain configured
 build.tool.window.status.error.general=Error while running zig build -l
-build.tool.window.status.timeout=zig build -l timed out after {0} seconds.
+build.tool.window.status.timeout=zig build -l timed out after {0} seconds.
+zig=Zig

gradle.properties

@@ -1,7 +1,7 @@
 pluginName=ZigBrains
 pluginRepositoryUrl=https://github.com/FalsePattern/ZigBrains
 
-pluginVersion=20.1.3
+pluginVersion=20.2.0
 
 pluginSinceBuild=241
 pluginUntilBuild=241.*
@@ -14,7 +14,7 @@ javaVersion=17
 runIdeTarget=clion
 
 lsp4jVersion=0.21.1
-lsp4ijVersion=0.7.0
+lsp4ijVersion=0.9.0
 lsp4ijNightly=false
 
 kotlin.stdlib.default.dependency=false

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.10.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.12-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

gradlew

@@ -86,8 +86,7 @@ done
 # shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
 # Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
-APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s
+APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s\n' "$PWD" ) || exit
-' "$PWD" ) || exit
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum