Get username from `origin` remote repository URL

get_repo_username.sh

#!/bin/bash

# Get the remote URL of the 'origin' remote
remote_url=$(git config --get remote.origin.url)

# Function to extract username from 'https://' URL
extract_username_from_https() {
    # Remove 'https://' and trailing '.git' from the URL
    url_without_protocol=${remote_url#https://}
    url_without_protocol=${url_without_protocol%.git}

    # Extract the username from the URL (everything before the first '/')
    username=${url_without_protocol%%/*}

    echo "$username"
}

# Function to extract username from 'git@' URL
extract_username_from_git() {
    # Remove 'git@' and trailing '.git' from the URL
    url_without_protocol=${remote_url#git@}
    url_without_protocol=${url_without_protocol%.git}

    # Extract the username from the URL (everything between ':' and '/')
    username=${url_without_protocol#*:}
    username=${username%%/*}

    echo "$username"
}

# Check if the remote URL exists and contains 'https://' or 'git@'
if [[ -n "$remote_url" && ( "$remote_url" == https://* || "$remote_url" == git@* ) ]]; then
    if [[ "$remote_url" == https://* ]]; then
        username=$(extract_username_from_https)
    else
        username=$(extract_username_from_git)
    fi

    echo $username
else
    echo "Error: Remote 'origin' URL not found or invalid."
    exit 1
fi