legacy_applyconfigs

#!/bin/sh

# Loads in all your custom dotfiles from a config directory and symlinks them into your home

# All the dotfiles to load shouldn't actually have the dot in their name. Ex, ".nanorc" would simply be "nanorc" in the config directory
# It automatically adds the . as a prefix when it symlinks the files

# By default, loads everything but the files listed in $filesAbnormal
# Can by passed "-a" or "--all" as the first arg to load all files instead

# Normally will load your custom dotfiles from the ~/configs directory
# You can pass a second (or first if no --all) argument which is the path to a different config directory

filesNotLink=("README" "applyConfigs")
filesAbnormal=("bashrc" "bash_aliases")

# If we pass along the all flag, we want to link everything
if [ "$1" == "--all" ] || [ "$1" == "-a" ]
then
    linkingAll="true"

    # Don't forget to shift the paramaters!
    shift
else
    linkingAll="false"
fi

# Checks if there's another arg, the config path
if [ $# -eq 1 ]
then
    configDir="$1"
    # Don't forget to shift!
    shift
else
    # Default is just in the home directory
    configDir="$HOME/configs"
fi

# Returns whether or not to link the supplied file
# Exit code of 0 if linking, 1 if not linking
shouldILink()
{
    echo $(fileNotMatcher "$1" ${filesNotLink[@]})
    exit $?
}

# Returns whether or not the supplied file is a normal file
# Exit code of 0 if normal, 1 if abnormal
normalFile()
{
    echo $(fileNotMatcher "$1" ${filesAbnormal[@]})
    exit $?
}

# Returns true if the file in arg1 doesn't match the file array in arg2
# Exit code of 0 if not matching, 1 if it does match
fileNotMatcher()
{
    # Store the file and move it off the args
    file="$1"
    shift

    # Make an array out of the rest of the args, aka, the array we passed it
    arr=("$@")

    for i in "${arr[@]}"
    do
        if [ "$file" == "./$i" ]
        then
            echo "false"
            exit 1
        fi
    done

    echo "true"
    exit 0
}

mainFunc()
{
    while [ $# -gt 0 ]
    do
        doLink=$(shouldILink "$1")

        # If we want to link the file, then do it!
        if [ "$doLink" == "true" ]
        then
            # Are we linking every file?
            if [ "$linkingAll" == "true" ]
            then
                # If so, every file is normal
                isNormal="true"
            else
                # Otherwise, figure out if it's actually normal
                isNormal=$(normalFile "$1")
            fi

            # Now finally, if the file is normal too it's time to link
            if [ "$isNormal" == "true" ]
            then
                # Actually link the file
                myItem=$(echo "$1" | grep -o "[^./]*$")
                echo "ln -sf $1 ~/.$myItem"
                # ln -sf $1 ~/.$myItem
            fi

        fi

        # Regardless of anything, shift along to the next parameter
        shift
    done
}

# Change to the config directory
cd "$configDir"

# Get an array of all the files in said directory
myFiles=(./*)
mainFunc ${myFiles[@]}