New features

• Support ImageMagick 7

  • MiniMagick::Tool::Convert will now generate magick convert commands (and the same for others)
  • MiniMagick::Tool::Magick was added for generating magick commands

• MiniMagick.cli_prefix was added to configure a prefix for commands

  MiniMagick.cli_prefix = "firejail"
  
  MiniMagick::Tool::Magick.new { |magick| ... } # executes `firejail magick ...`

Other Improvements

• Fix deadlocks when using posix-spawn as a shell backend

• Fix Errno::ESRCH sometimes being raised when the ImageMagick command would time out

• #label and #caption will now generate regular options

  MiniMagick::Tool::Convert.new do |convert|
                           # BEFORE:       NOW:
    convert.label("foo")   # label:foo    -label foo
    convert.caption("bar") # caption:bar  -caption bar
  end

• Add pango creation operator

  MiniMagick::Tool::Magick.new do |magick|
    magick.pango("...") # pango:...
    # ...
  end

• Handle GraphicsMagick returning unknown in EXIF data