Dropbox share file script

dropbox-share.sh

#!/usr/bin/env bash

##
# Required
# - dropbox-cli
# optional
# - xclip
# - convert (imagemagick)
##

#set -o errexit
set -o nounset
#set -o xtrace

main() {
    local -r publicdir=~/Dropbox/public/
    local -r inputfile=$1
    local -r downscale=true

    command -v convert >/dev/null 2>&1
    local hasConvert=$?

    if [[ $hasConvert != 0 ]]; then
       echo "convert not found." >&2
       exit 1
    fi

    if ! command -v dropbox >/dev/null 2>&1; then
       echo "dropbox cli command not found." >&2
       exit 1
    fi

    if dropbox running != 1; then
        echo "dropbox does not seem to be running." >&2
        exit 1
    fi


    if [[ ! -f $inputfile ]]; then
        echo "$inputfile is not valid" >&2
        exit 1
    fi

    local mimeType=$(file -b --mime-type ${inputfile})
    local isImage=false
    if [[ ${mimeType} = "image/jpeg"
        || ${mimeType} = "image/gif"
        || ${mimeType} = "image/png"
    ]]; then
        isImage=true
    fi

    if [[ ${isImage} = true && ${downscale} = true ]]; then
        echo "Downscaling image..."
        local tmpfile=$(mktemp)
        convert -resize 1280x1024\> "${inputfile}" "${tmpfile}"
    else
        local tmpfile=${inputfile}
    fi

    local base=$(basename ${inputfile})

    # Get "unique" filename inside dropbox public dir
    local target=$(mktemp -u -p ${publicdir} -t pub_$(date +%Y%m%d%H%M)_XXXXX_${base})

    # Copy file to destination inside dropbox public dir
    cp "${tmpfile}" "${target}"

    puburl=$(dropbox puburl $target)

    if command -v xclip >/dev/null 2>&1; then
       echo "Copied to clipboard"
       xclip -selection clipboard <<< ${puburl}
    fi

    echo ${puburl}
    exit 0
}

main "$@"