Upload files to S3

s3-uploader.sh

#!/bin/sh

# Shortcut to the s3 console command.
s3='/usr/local/bin/aws s3'

# Define the AWS action: move (mv) or copy (cp).
action=$1

# Remove action from list of file arguments.
shift

# Define the base path
uri='s3://deraps/f'

# Upload each file.
for f do

  # Initialize some variables for later use.
  basename=$(basename "$f")
  filename="${basename%.*}"

  # Convert markdown notes to HTML.
  extension="${basename##*.}"
  realpath=$(grealpath "$f")
  dirname=$(dirname "$realpath")
  if [ "md" == "$extension" ]
  then
    upload="$filename.html"
    original="$f"
    f="/tmp/$upload"
    grip "$original" --export "$f"
  else
    # Append checksum to prevent overwriting files with the same name.
    # Note that the aws "ls" command returns partial matches.
    results=$($s3 ls "$uri/$basename")
    if [ $? -eq 0 ] && [[ $results == *$basename* ]]
    then

      # File with same name already exists; append checksum.
      checksum=$(sum "$f" | awk '{print $1}')

      # Make sure file has an extension.
      if [[ $basename == *.* ]]
      then
        upload="$filename.$checksum.$extension"
      else
        upload="$filename-$checksum"
      fi
    # For first time uploads, just use the filename as-is.
    else
      upload="$basename"
    fi
  fi

  # Transliterate.
  # @TODO Include transliteration for all characters that get URL-encoded.
  upload=$(echo $upload | tr ' ' '-')

  # Push to S3 with encryption and the desired storage class.
  $s3 $action "$f" "$uri/$upload" --sse --storage-class STANDARD_IA

  # Keep track of uploaded paths.
  path="https://deraps.s3.amazonaws.com/f/$upload"
  [[ "$paths" ]] && paths="$paths $path" || paths="$path"
done

# Copy path(s) to clipboard.
echo "$paths\c" | pbcopy