From 528b040d7eb35faac26df74f131f5b97c5fe2e33 Mon Sep 17 00:00:00 2001
From: SerVB <servbul@yandex.ru>
Date: Tue, 14 Apr 2020 19:53:54 +0300
Subject: [PATCH] Fix crash when no version found

---
 dist/index.js          | 47 +++++++++++++++++++++------------------
 src/download-python.ts | 50 +++++++++++++++++++++++-------------------
 2 files changed, 54 insertions(+), 43 deletions(-)

diff --git a/dist/index.js b/dist/index.js
index 50e0d832..b1a09b46 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -1291,27 +1291,32 @@ function getVariable(variableName) {
 }
 function downloadLinuxCpython(version) {
     return __awaiter(this, void 0, void 0, function* () {
-        const home = yield getVariable('HOME');
-        yield exec.exec('bash', [
-            '-c',
-            `
-    set -e # Any command which returns non-zero exit code will cause this shell script to exit immediately
-    set -x # Activate debugging to show execution details: all commands will be printed before execution
-    
-    sudo apt-get install build-essential checkinstall
-    sudo apt-get install libreadline-gplv2-dev libncursesw5-dev libssl-dev libsqlite3-dev tk-dev libgdbm-dev libc6-dev libbz2-dev
-
-    cd $HOME
-    wget https://www.python.org/ftp/python/${version}/Python-${version}.tgz
-
-    tar -xvf Python-${version}.tgz
-    cd Python-${version}
-    ./configure
-    make
-    sudo checkinstall -y
-    `
-        ]);
-        return `${home}/Python-${version}`;
+        try {
+            const home = yield getVariable('HOME');
+            yield exec.exec('bash', [
+                '-c',
+                `
+      set -e # Any command which returns non-zero exit code will cause this shell script to exit immediately
+      set -x # Activate debugging to show execution details: all commands will be printed before execution
+      
+      sudo apt-get install build-essential checkinstall
+      sudo apt-get install libreadline-gplv2-dev libncursesw5-dev libssl-dev libsqlite3-dev tk-dev libgdbm-dev libc6-dev libbz2-dev
+  
+      cd $HOME
+      wget https://www.python.org/ftp/python/${version}/Python-${version}.tgz
+  
+      tar -xvf Python-${version}.tgz
+      cd Python-${version}
+      ./configure
+      make
+      sudo checkinstall -y
+      `
+            ]);
+            return `${home}/Python-${version}`;
+        }
+        catch (_a) {
+            return null;
+        }
     });
 }
 exports.downloadLinuxCpython = downloadLinuxCpython;
diff --git a/src/download-python.ts b/src/download-python.ts
index 0453668a..2d363ad9 100644
--- a/src/download-python.ts
+++ b/src/download-python.ts
@@ -16,28 +16,34 @@ async function getVariable(variableName: string): Promise<string> {
   return variableValue.trim();
 }
 
-export async function downloadLinuxCpython(version: string): Promise<string> {
-  const home = await getVariable('HOME');
+export async function downloadLinuxCpython(
+  version: string
+): Promise<string | null> {
+  try {
+    const home = await getVariable('HOME');
 
-  await exec.exec('bash', [
-    '-c',
-    `
-    set -e # Any command which returns non-zero exit code will cause this shell script to exit immediately
-    set -x # Activate debugging to show execution details: all commands will be printed before execution
-    
-    sudo apt-get install build-essential checkinstall
-    sudo apt-get install libreadline-gplv2-dev libncursesw5-dev libssl-dev libsqlite3-dev tk-dev libgdbm-dev libc6-dev libbz2-dev
+    await exec.exec('bash', [
+      '-c',
+      `
+      set -e # Any command which returns non-zero exit code will cause this shell script to exit immediately
+      set -x # Activate debugging to show execution details: all commands will be printed before execution
+      
+      sudo apt-get install build-essential checkinstall
+      sudo apt-get install libreadline-gplv2-dev libncursesw5-dev libssl-dev libsqlite3-dev tk-dev libgdbm-dev libc6-dev libbz2-dev
+  
+      cd $HOME
+      wget https://www.python.org/ftp/python/${version}/Python-${version}.tgz
+  
+      tar -xvf Python-${version}.tgz
+      cd Python-${version}
+      ./configure
+      make
+      sudo checkinstall -y
+      `
+    ]);
 
-    cd $HOME
-    wget https://www.python.org/ftp/python/${version}/Python-${version}.tgz
-
-    tar -xvf Python-${version}.tgz
-    cd Python-${version}
-    ./configure
-    make
-    sudo checkinstall -y
-    `
-  ]);
-
-  return `${home}/Python-${version}`;
+    return `${home}/Python-${version}`;
+  } catch {
+    return null;
+  }
 }