legit-show

#!/bin/dash
export PATH=$PATH:.
details=$1

# split up
i=$(echo "$details" | cut -d':' -f1)
file=$(echo "$details" | cut -d':' -f2)


if [ "$i" = '' ]
then
    # file not found in index
    if [ ! -f ".legit/index/$file" ]
    then
        echo "legit-show: error: '$file' not found in index"
        exit
    fi
else
    # commit directory not found
    if [ ! -d ".legit/commit.$i" ]
    then
        echo "legit-show: error: unknown commit '$i'"
        exit
    fi
    
    # file not found in commit directory
    if [ ! -f ".legit/commit.$i/$file" -a ! -f ".legit/commit.$i/$file." ]
    then
        echo "legit-show: error: '$file' not found in commit $i"
        exit
    fi
fi



if [ "$i" = '' ]
then 
    # print contents of file in index since commit num not provided
    cat .legit/index/$file
else
    # print .legit/commit.i/file
    cat .legit/commit.$i/$file
fi