install

#!/usr/bin/env sh

#Get installation directory
INSTALL_DIR="$HOME"

mkdir "$INSTALL_DIR/bin/" >> /dev/null 2>&1

#Read flags
while getopts 'uy' flag; do
    case "${flag}" in
        u) u_flag='true';;
        y) y_flag='true';;
        *) ;;
    esac
done

#Warning that hoard is not being installed but rather updated. Can be overriden with the -y flag.
if [ -f "$INSTALL_DIR/bin/hoard" ]; then
    if [ "$y_flag" != "true" ]; then
        echo "We'll be updating the installation of hoard at $INSTALL_DIR/bin/hoard. [ctrl-c to cancel]"
        sleep 2
    else
        echo "Updating installation of hoard at $INSTALL_DIR/bin/hoard."
    fi
fi

#Attempts to pull updates from the hoard git repository. Can be disabled with the debug -d flag.
if [ "$u_flag" = "true" ]; then
    echo "Pulling new updates from repository if necessary..."
    cd `dirname "$0"`
    git pull
    $0 -y
    exit $?
fi

#Install hoard by linking the hoard file here with the one in bin.
echo
echo "Performing installation..."

#Delete previous version
if [ -f "$INSTALL_DIR/bin/hoard" ]; then
    rm $INSTALL_DIR/bin/hoard
fi

#Clear deprecated installation directory
if [ "`uname`" = "Darwin" ]; then
    if [ -f "/usr/local/bin/hoard" ]; then
        rm "/usr/local/bin/hoard"
    fi
fi

#Install the script by hard-linking to the install directory.
(ln `dirname "$0"`/hoard $INSTALL_DIR/bin/hoard && echo "Installed 'hoard' at $INSTALL_DIR/bin/hoard") || (echo "Installation failure" && exit 1)

#Define and create a file at the user data file paths, if they're not already defined by the user.
if [ -z "$HOARD_SESSIONS_PATH" ]; then
    export HOARD_SESSIONS_PATH="$HOME/.hoard_sessions"
fi
if [ -z "$HOARD_BOOKMARKS_PATH" ]; then
    export HOARD_BOOKMARKS_PATH="$HOME/.hoard_bookmarks"
fi
touch "$HOARD_SESSIONS_PATH"
touch "$HOARD_BOOKMARKS_PATH"



#Get the user's shell profile path.
shell=`basename $SHELL`

file=
case $shell in
    "bash")
        if [ -f "$HOME/.bashrc" ]; then
            file="$HOME/.bashrc"
        elif [ -f "$HOME/.bash_profile" ]; then
            file="$HOME/.bash_profile"
        elif [ -f "$HOME/.profile" ]; then
            file="$HOME/.profile"
        fi
        ;;
    "zsh")
        file="$HOME/.zshrc"
        ;;
    "ksh")
        file="$HOME/.kshrc"
        ;;
esac

#Update with final changes.
if [ -z "$file" ]; then
    #Inform the user about the need to source to be able to use it.
    echo
    echo "The shell you're using ($shell) is not tested, though as long as it is POSIX compliant it should work just fine."
    echo
    echo "Please add '. \"$INSTALL_DIR/bin/hoard\"' to your shell startup script to use the 'hoard' command directly on every new terminal session."
    echo "Otherwise, you should run the hoard command '. \"$INSTALL_DIR/bin/hoard\"' to use the command 'hoard'."
else
    #Include installation path in shell profile if necessary
    installationPath=`echo $PATH | tr ":" "\n" | grep $HOME/bin`
    if [ -z "$installationPath" ]; then
        echo "export PATH=\$HOME/bin:\$PATH" >> "$file"
    fi

    #Update the user's bash profile to automatically source the file if it's found.
    if [ "`uname`" = "Darwin" ]; then
        sed -i '' "/\. .*hoard$/g" "$file"
        sed -i '' "/^source .*hoard$/g" "$file"
    else
        sed -i "/\. .*hoard$/g" "$file"
        sed -i "/^source .*hoard$/g" "$file"
    fi
    echo ". \"$INSTALL_DIR/bin/hoard\"" >> "$file"
    echo

    #Inform that the current session doesn't have the updated or installed hoard command yet.
    if [ -z "$installationPath" ]; then
        echo "Note that '$HOME/bin' is added to your PATH as it was not present."
        echo "You'll need to run 'source $file' or restart your $shell session to use 'hoard'."
    else
        echo "Note that you may need to restart your $shell session"
        echo "or run '. \"$INSTALL_DIR/bin/hoard\"' in order to use the 'hoard' command immediately."
    fi
fi

#Yay, we're done! ^-^
echo
echo "Check README.md for configuration info."
echo
echo "Installation complete!"