From e89fefca8c5d733c0fffa3c6493d14ea604119e8 Mon Sep 17 00:00:00 2001
From: Sergey Bogolepov <aceisnotmycard@gmail.com>
Date: Tue, 28 May 2019 15:39:27 +0300
Subject: [PATCH] Safer access to `runTask` in samples.

---
 samples/csvparser/build.gradle             | 2 +-
 samples/curl/build.gradle                  | 4 ++--
 samples/echoServer/build.gradle            | 2 +-
 samples/gitchurn/build.gradle              | 4 ++--
 samples/gtk/build.gradle                   | 2 +-
 samples/nonBlockingEchoServer/build.gradle | 2 +-
 samples/tensorflow/build.gradle            | 4 ++--
 samples/tetris/build.gradle                | 2 +-
 samples/torch/build.gradle                 | 6 +++---
 9 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/samples/csvparser/build.gradle b/samples/csvparser/build.gradle
index 1737efa4064..798da67f738 100644
--- a/samples/csvparser/build.gradle
+++ b/samples/csvparser/build.gradle
@@ -10,7 +10,7 @@ kotlin {
         binaries {
             executable() {
                 entryPoint = 'sample.csvparser.main'
-                runTask.args './European_Mammals_Red_List_Nov_2009.csv', 4, 100
+                runTask?.args './European_Mammals_Red_List_Nov_2009.csv', 4, 100
             }
         }
     }
diff --git a/samples/curl/build.gradle b/samples/curl/build.gradle
index 86eae5cefd5..dbfddc0d9e3 100644
--- a/samples/curl/build.gradle
+++ b/samples/curl/build.gradle
@@ -19,9 +19,9 @@ kotlin {
                 if (presets.mingwX64 == hostPreset) {
                     // Add lib path to `libcurl` and its dependencies:
                     linkerOpts += ["-L${MPPTools.mingwPath()}/lib".toString()]
-                    runTask.environment('PATH': "${MPPTools.mingwPath()}/bin".toString())
+                    runTask?.environment('PATH': "${MPPTools.mingwPath()}/bin".toString())
                 }
-                runTask.args('https://www.jetbrains.com/')
+                runTask?.args('https://www.jetbrains.com/')
             }
         }
     }
diff --git a/samples/echoServer/build.gradle b/samples/echoServer/build.gradle
index 86ddd03c0fc..39b9af3e15d 100644
--- a/samples/echoServer/build.gradle
+++ b/samples/echoServer/build.gradle
@@ -13,7 +13,7 @@ kotlin {
         binaries {
             executable() {
                 entryPoint = 'sample.echoserver.main'
-                runTask.args(3000)
+                runTask?.args(3000)
             }
         }
 
diff --git a/samples/gitchurn/build.gradle b/samples/gitchurn/build.gradle
index 6d92f6d1ddd..236e20d7aea 100644
--- a/samples/gitchurn/build.gradle
+++ b/samples/gitchurn/build.gradle
@@ -12,9 +12,9 @@ kotlin {
                 entryPoint = 'sample.gitchurn.main'
                 if (presets.mingwX64 == hostPreset) {
                     linkerOpts = ["-L${MPPTools.mingwPath()}/lib".toString()]
-                    runTask.environment('PATH', "${MPPTools.mingwPath()}/bin".toString())
+                    runTask?.environment('PATH', "${MPPTools.mingwPath()}/bin".toString())
                 }
-                runTask.args(project.getRootProject().getRootDir().toString() + '/..')
+                runTask?.args(project.getRootProject().getRootDir().toString() + '/..')
             }
         }
         compilations.main.cinterops {
diff --git a/samples/gtk/build.gradle b/samples/gtk/build.gradle
index 0a3de2c226a..e86bbe4007c 100644
--- a/samples/gtk/build.gradle
+++ b/samples/gtk/build.gradle
@@ -12,7 +12,7 @@ kotlin {
                 entryPoint = 'sample.gtk.main'
                 if (presets.mingwX64 == hostPreset) {
                     linkerOpts += ["-L${MPPTools.mingwPath()}/lib".toString()]
-                    runTask.environment('PATH', "${MPPTools.mingwPath()}/bin".toString())
+                    runTask?.environment('PATH', "${MPPTools.mingwPath()}/bin".toString())
                 }
             }
         }
diff --git a/samples/nonBlockingEchoServer/build.gradle b/samples/nonBlockingEchoServer/build.gradle
index 4c407b4df3f..02238b836ed 100644
--- a/samples/nonBlockingEchoServer/build.gradle
+++ b/samples/nonBlockingEchoServer/build.gradle
@@ -10,7 +10,7 @@ kotlin {
         binaries {
             executable() {
                 entryPoint = 'sample.nbechoserver.main'
-                runTask.args(3000)
+                runTask?.args(3000)
             }
         }
     }
diff --git a/samples/tensorflow/build.gradle b/samples/tensorflow/build.gradle
index 8793c3d64d9..bc13dafcb96 100644
--- a/samples/tensorflow/build.gradle
+++ b/samples/tensorflow/build.gradle
@@ -13,8 +13,8 @@ kotlin {
             executable() {
                 entryPoint = 'sample.tensorflow.main'
                 linkerOpts += ["-L$tensorflowHome/lib".toString(), '-ltensorflow']
-                runTask.environment('LD_LIBRARY_PATH', "$tensorflowHome/lib".toString())
-                runTask.environment('DYLD_LIBRARY_PATH', "$tensorflowHome/lib".toString())
+                runTask?.environment('LD_LIBRARY_PATH', "$tensorflowHome/lib".toString())
+                runTask?.environment('DYLD_LIBRARY_PATH', "$tensorflowHome/lib".toString())
             }
         }
         compilations.main.cinterops {
diff --git a/samples/tetris/build.gradle b/samples/tetris/build.gradle
index 38b39d9ea93..2d304806b55 100644
--- a/samples/tetris/build.gradle
+++ b/samples/tetris/build.gradle
@@ -37,7 +37,7 @@ kotlin {
                         linkerOpts += ['-lSDL2']
                         break
                 }
-                runTask.workingDir(project.provider {
+                runTask?.workingDir(project.provider {
                     kotlin.targets.tetris.binaries.getExecutable(buildType).outputDirectory
                 })
             }
diff --git a/samples/torch/build.gradle b/samples/torch/build.gradle
index 0fe41d2dc35..c465f91cb14 100644
--- a/samples/torch/build.gradle
+++ b/samples/torch/build.gradle
@@ -13,9 +13,9 @@ kotlin {
             executable() {
                 entryPoint = 'sample.torch.main'
                 linkerOpts += ["-L$torchHome/lib".toString(), '-lATen']
-                runTask.dependsOn 'downloadMNIST'
-                runTask.environment('LD_LIBRARY_PATH', "$torchHome/lib".toString())
-                runTask.environment('DYLD_LIBRARY_PATH', "$torchHome/lib".toString())
+                runTask?.dependsOn 'downloadMNIST'
+                runTask?.environment('LD_LIBRARY_PATH', "$torchHome/lib".toString())
+                runTask?.environment('DYLD_LIBRARY_PATH', "$torchHome/lib".toString())
             }
         }
         compilations.main.cinterops {