Add initial Linux support #150

Key features of Linux support:
- It supports python 3 scripts execution.
- It supports Flatpak and Snap installation for software
  clean-up/configurations.
- Extensive documentation.

src/presentation/components/Code/CodeButtons/Instructions/Data/LinuxInstructionsBuilder.ts

@@ -0,0 +1,93 @@
+import { OperatingSystem } from '@/domain/OperatingSystem';
+import { InstructionsBuilder } from './InstructionsBuilder';
+
+export class LinuxInstructionsBuilder extends InstructionsBuilder {
+  constructor() {
+    super(OperatingSystem.Linux);
+    super
+      .withStep(() => ({
+        action: {
+          instruction: 'Download the file.',
+          details: 'You should have already been prompted to save the script file.'
+            + '<br/>If this was not the case or you did not save the script when prompted,'
+            + '<br/>please try to download your script file again.',
+        },
+      }))
+      .withStep(() => ({
+        action: {
+          instruction: 'Open terminal.',
+          details:
+            'Opening terminal changes based on the distro you run.'
+            + '<br/>You may search for "Terminal" in your application launcher to find it.'
+            + '<br/>'
+            + '<br/>Alternatively use terminal shortcut for your distro if it has one by default:'
+            + '<ul>'
+            + '<li><code>Ctrl-Alt-T</code>: Ubuntu, CentOS, Linux Mint, Elementary OS, ubermix, Kali…</li>'
+            + '<li><code>Super-T</code>: Pop!_OS…</li>'
+            + '<li><code>Alt-T</code>: Parrot OS…</li>'
+            + '<li><code>Ctrl-Alt-Insert</code>: Bodhi Linux…</li>'
+            + '</ul>'
+            + '<br/>'
+          ,
+        },
+      }))
+      .withStep(() => ({
+        action: {
+          instruction: 'Navigate to the folder where you downloaded the file e.g.:',
+        },
+        code: {
+          instruction: 'cd ~/Downloads',
+          details: 'Press on <code>enter/return</code> key after running the command.'
+            + '<br/>If the file is not downloaded on Downloads folder,'
+            + '<br/>change <code>Downloads</code> to path where the file is downloaded.'
+            + '<br/>'
+            + '<br/>This command means:'
+            + '<ul>'
+            + '<li><code>cd</code> will change the current folder.</li>'
+            + '<li><code>~</code> is the user home directory.</li>'
+            + '</ul>',
+        },
+      }))
+      .withStep((data) => ({
+        action: {
+          instruction: 'Give the file execute permissions:',
+        },
+        code: {
+          instruction: `chmod +x ${data.fileName}`,
+          details: 'Press on <code>enter/return</code> key after running the command.<br/>'
+            + 'It will make the file executable. <br/>'
+            + 'If you use desktop environment you can alternatively (instead of running the command):'
+            + '<ol>'
+            + '<li>Locate the file using your file manager.</li>'
+            + '<li>Right click on the file, select "Properties".</li>'
+            + '<li>Go to "Permissions" and check "Allow executing file as program".</li>'
+            + '</ol>'
+            + '<br/>These GUI steps and name of options may change depending on your file manager.'
+          ,
+        },
+      }))
+      .withStep((data) => ({
+        action: {
+          instruction: 'Execute the file:',
+        },
+        code: {
+          instruction: `./${data.fileName}`,
+          details:
+            'If you have desktop environment, instead of running this command you can alternatively:'
+            + '<ol>'
+            + '<li>Locate the file using your file manager.</li>'
+            + '<li>Right click on the file, select "Run as program".</li>'
+            + '</ol>'
+          ,
+        },
+      }))
+      .withStep(() => ({
+        action: {
+          instruction: 'If asked, enter your administrator password.',
+          details: 'As you type, your password will be hidden but the keys are still registered, so keep typing.'
+            + '<br/>Press on <code>enter/return</code> key after typing your password.'
+            + '<br/>Administrator privileges are required to configure OS.',
+        },
+      }));
+  }
+}

src/presentation/components/Code/CodeButtons/Instructions/InstructionListDataFactory.ts

@@ -2,9 +2,11 @@ import { OperatingSystem } from '@/domain/OperatingSystem';
 import { InstructionsBuilder } from './Data/InstructionsBuilder';
 import { MacOsInstructionsBuilder } from './Data/MacOsInstructionsBuilder';
 import { IInstructionListData } from './InstructionListData';
+import { LinuxInstructionsBuilder } from './Data/LinuxInstructionsBuilder';
 
 const builders = new Map<OperatingSystem, InstructionsBuilder>([
   [OperatingSystem.macOS, new MacOsInstructionsBuilder()],
+  [OperatingSystem.Linux, new LinuxInstructionsBuilder()],
 ]);
 
 export function hasInstructions(os: OperatingSystem) {