git-alias

#!/bin/bash

# Copyright (c) 2019 Benjamin Holt -- MIT License

if [ "$1" == "-h" -o "$1" == "--help" ]; then
    cat <<USAGE
usage: git alias              Prints existing git aliases
       git alias A 'C'        Set alias A to command C
       git alias --unset A    Unset alias A
       git alias -s|--script  Prints git aliases as a script for reproducing
                              them in a new environment
       git alias -h|--help    Print this message and exit

Note: this always sets and unsets aliases in the global scope

USAGE
    exit 0
fi

# Bold=`tput bold`
# Off=`tput sgr0`

if [ "$1" == "-s" -o "$1" == "--script" ]; then
    # Print as a script
    echo "#!/bin/sh"
    git config --list | grep alias | sed -e $'s/\([^=]*\)=\(.*\)/git config --global \\1 \'\\2\'/'
    exit 0
fi

if [ "$1" == "-u" -o "$1" == "--unset" ]; then
    if [ $# != 2 ]; then
        echo "error: missing alias to unset; run 'git alias -h' for help"
        exit 1
    fi
    # Set an alias
    git config --list | grep "alias.$2=" | sed -e $'s/alias\.\([^=]*\)=\(.*\)/Unsetting \\1 = \'\\2\'/'  # -e "s/\(.*\)/$Bold\\1$Off/"
    git config --global --unset "alias.$2"
    exit 0
fi

if [ $# == 2 ]; then
    # Set an alias
    # echo "${Bold}Setting $1 = '$2'${Off}"
    echo "Setting $1 = '$2'"
    git config --global "alias.$1" "$2"
    exit 0
fi

# Else, print in a nice format
git config --list | grep alias | sed -e $'s/alias\.\([^=]*\)=\(.*\)/\\1 = \'\\2\'/' | sort

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