Dependencies:

sudo apt install cmake libcurl4-openssl-dev

Build instructions

git clone https://github.com/karplucas/Canonical
cd Canonical
git submodule init
git submodule update
mkdir build
cd build
cmake ..
make
./ubuntufetcher [-a] [-c] [-s VERSION]

Ubuntufetcher requires the curl package. If on Windows, download curl and modify the following based on where you stored curl: set(CURL_SRC_DIR "C:/lib/curl-7.86.0_2")

Run instructions

Usage: ./ubuntufetcher [-a] [-c] [-s VERSION]

Options:
-a             - Return a list of all currently supported Ubuntu releases. 
-c             - Return the current Ubuntu LTS version." << std::endl;
-s [VERSION]   - Return the sha256 of the disk1.img item of a given Ubuntu version. (Ex: 22.04)