Add README.md for macos

- Fix build_package script to alert that program is not installed

README.md

@@ -1,6 +1,6 @@
 # Dummy Files Creator
 
-![Unit tests](https://github.com/matuzalemmuller/dummy-files-creator/actions/workflows/unit-tests.yml/badge.svg)
+![Unit tests](https://github.com/matuzalemmuller/dummy-files-creator/actions/workflows/unit-tests.yml/badge.svg) [![Codacy Badge](https://app.codacy.com/project/badge/Grade/cadec3608d3540b8b9b80fb0daec1b14)](https://www.codacy.com/gh/matuzalemmuller/dummy-files-creator/dashboard?utm_source=github.com&utm_medium=referral&utm_content=matuzalemmuller/dummy-files-creator&utm_campaign=Badge_Grade)
 
 Application to generate dummy files with random content and different checksums. **File units are corresponding powers of 2<sup>10</sup> [(KiB, MiB, GiB)](https://en.wikipedia.org/wiki/Orders_of_magnitude_(data))**.
 
@@ -48,7 +48,7 @@ Download the latest executable from the [releases page](https://github.com/matuz
 
 ### macOS
 
-Download the latest `.dmg` file from the [releases page](https://github.com/matuzalemmuller/dummy-files-creator/releases).
+Download the latest `.app` file from the [releases page](https://github.com/matuzalemmuller/dummy-files-creator/releases).
 
 *   Currently, there are no `arm`-compatible packages due to the lack of devices to build the app. Contributions are welcome.
 

pkg/linux/README.md

@@ -4,6 +4,7 @@
 
 *   A linux-based OS with dpkg or rpm-based package manager
 *   [Python 3.6 or later](https://www.python.org/downloads/release/python-360/) & [PyInstaller](https://pypi.org/project/pyinstaller/)
+*   The requirements at the root of the repository ([`requirements.txt`](../../requirements.txt))
 *   [Ruby 2.7](https://www.ruby-lang.org/en/) & [fpm](https://fpm.readthedocs.io/en/latest/index.html)
 
 ## Instructions

pkg/linux/build_package.py

@@ -60,6 +60,7 @@ def is_program_installed(program_name: str):
     if shutil.which(program_name):
         print(f"{program_name} is installed")
         return True
+    print(f"{program_name} not installed")
 
     return False
 

pkg/macos/README.md

@@ -0,0 +1,9 @@
+# Building the macOS app
+
+## Prerequisites
+
+*   [Python 3.6 or later](https://www.python.org/downloads/release/python-360/) & [PyInstaller](https://pypi.org/project/pyinstaller/)
+
+## Instructions
+
+To build the `.app` file, run `pyinstaller --windowed macos.spec`.