got/got-commit at main · haidara02/got · GitHub

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#!/bin/dash

if [ ! -d ".got" ]
then
    echo "$0: error: got repository directory .got not found" 1>&2
    exit 1
fi

usage_error() {
    echo "usage: $0 [-a] -m commit-message" 1>&2
    exit 1
}

message=""

# Assumption: options will be in the position and order shown in the usage
if [ "$#" -lt 2 ] || [ "$#" -gt 3 ]
then
    usage_error
elif [ "$#" = 2 ]
then
    if [ "$1" != "-m" ]
    then
        usage_error
    else
        message="$2"
    fi
elif [ "$#" = 3 ]
then
    if [ "$1" != "-a" ] && [ "$2" != "-m" ]
    then
        usage_error
    else
        message="$3"
        for file in ".got/index"/*
        do
            got-add "$(basename "$file")" || exit 1
        done
    fi
fi

i=0
while [ -d ".got/commits/.commit.$i" ]
do
    p="$i"
    i=$((i + 1))
done

if [ "$i" = 0 ] && [ -z "$(ls .got/index)" ]
then
    echo "nothing to commit"
    exit 0
elif [ "$i" != 0 ] && diff -r ".got/index" ".got/commits/.commit.$p" > /dev/null
then
    echo "nothing to commit"
    exit 0
fi

mkdir -p ".got/commits/.commit.$i"
echo "$i $message" >> ".got/log"
cp -r ".got/index/." ".got/commits/.commit.$i"
echo "Committed as commit $i"