dotfiles/zsh/gclone.zsh

# cdg : cd to a git repo
if [ -d "$GCLONE_PATH" ]; then

    gclone() {
        # Check if cloning via HTTP(S) or SSH
        if [[ $1 == http* ]]; then
            server=`echo $1 | rev | cut -d '/' -f 3- | rev | cut -d '/' -f 3-`
            name=`echo $1 | rev | cut -d '/' -f -2 | rev`
        else
            server=`echo $1 | cut -d ':' -f 1 | cut -d '@' -f 2-`
            name=`echo $1 | cut -d ':' -f 2-`
        fi

        user=`echo $name | cut -d '/' -f 1`
        repo=`echo $name | cut -d '/' -f 2-`

        if [[ $repo == *.git ]]; then
            repo=${repo%.*}
        fi

        # Final path to the repo
        repo_path=$GCLONE_PATH/$server/$user

        if [ -d $repo_path/$repo ]; then
            echo "Repository already exists"
            return 1
        fi

        tempdir=`mktemp -d`
        git clone $1 $tempdir/$repo

        # If the clone worked, move the repo in the good place
        if [ $? -eq 0 ]; then

            mkdir -p $repo_path

            mv $tempdir/$repo $repo_path

            if [ ! -f $GCLONE_PATH/.cdgcache ]; then
                # If there is no cache, generate the cache manually
                _cdg_refresh_cache
            else
                # If there is a cache, just append the current dir at the end
                # and sort it back
                echo $repo_path >> $GCLONE_PATH/.cdgcache
                echo $repo_path/$repo >> $GCLONE_PATH/.cdgcache
                cat $GCLONE_PATH/.cdgcache | sort | uniq > $GCLONE_PATH/.cdgcache.tmp
                mv $GCLONE_PATH/.cdgcache.tmp $GCLONE_PATH/.cdgcache
            fi

        fi

        # Remove the temp dir
        rm -rf $tempdir
    }

    cdg() {
        if [ $# -ne 1 ]; then
            echo "This function expects a single parameter"
            return 1
        else

            found_dirs=`_cdg_existing_dirs | grep /$1$`
            total=`echo $found_dirs | wc -l`

            if [[ "" == "$found_dirs" ]]; then
                echo "$1 not found, refreshing cache"
                _cdg_refresh_cache
                return 2
            elif [ $total -gt 1 ]; then
                counter=0
                echo "Multiple entries for $1 found:"
                echo $found_dirs | while read found_dir; do
                    counter=$(($counter+1))
                    echo "["$counter"]" $found_dir
                done
                read choice
                if [[ "$choice" == "" ]]; then
                    cd `echo $found_dirs | head -1 | tail -1`
                elif [[ "$choice" =~ '^[0-9]+$' ]] && [ $choice -le $total ] && [ $choice -gt 0 ]; then
                    cd `echo $found_dirs | head -$choice | tail -1`
                else
                    echo "I expected a number that was less than the max..."
                    return 3
                fi
                return 3
            else
                cd $found_dirs > /dev/null 2>&1
                if [ $? -ne 0 ]; then
                    echo "cd didn't work, refreshing cache..."
                    _cdg_refresh_cache
                    return 4
                fi
            fi
        fi
    }

    _cdg() {
        _arguments "1: :($(_cdg_existing_dirs | rev | cut -d '/' -f 1 | rev))"
    }

    compdef _cdg cdg

    _cdg_refresh_cache() {
        tmpfile=`mktemp`
        find $GCLONE_PATH -maxdepth 3 \
            -not -name ".cdgcache" \
            -not -name "git" | sort > $tmpfile
        mv $tmpfile $GCLONE_PATH/.cdgcache
    }

    _cdg_existing_dirs() {
        if [ ! -f $GCLONE_PATH/.cdgcache ]; then
            _cdg_refresh_cache
        fi

        cat $GCLONE_PATH/.cdgcache
    }
fi