Commit ecd369df by Jon Yurek

No more NotIdentifiedByImageMagick errors if IM is not in the path. Give a real error.

Based on a commit by Henrik N <henrik@nyh.se>
parent 44124a5f
......@@ -113,6 +113,10 @@ module Paperclip
Paperclip.log(command) if Paperclip.options[:log_command]
output = `#{command}`
if $?.exitstatus == 127
raise CommandNotFoundError
end
unless expected_outcodes.include?($?.exitstatus)
raise PaperclipCommandLineError,
"Error while running #{cmd}. Expected return code to be #{expected_outcodes.join(", ")} but was #{$?.exitstatus}",
......@@ -167,7 +171,7 @@ module Paperclip
class PaperclipError < StandardError #:nodoc:
end
class PaperclipCommandLineError < StandardError #:nodoc:
class PaperclipCommandLineError < PaperclipError #:nodoc:
attr_accessor :output
def initialize(msg = nil, output = nil)
super(msg)
......@@ -175,9 +179,12 @@ module Paperclip
end
end
class CommandNotFoundError < PaperclipError
end
class NotIdentifiedByImageMagickError < PaperclipError #:nodoc:
end
class InfiniteInterpolationError < PaperclipError #:nodoc:
end
......
......@@ -62,6 +62,20 @@ class PaperclipTest < Test::Unit::TestCase
end
end
context "Calling Paperclip.run when the command is not found" do
should "tell you the command isn't there" do
begin
assert_raises(Paperclip::CommandNotFoundError) do
`ruby -e 'exit 127'` # Stub $?.exitstatus to be 127, i.e. Command Not Found.
Paperclip.stubs(:"`").returns("")
Paperclip.run("command")
end
ensure
`ruby -e 'exit 0'` # Unstub $?.exitstatus
end
end
end
should "prevent dangerous characters in the command via quoting" do
Paperclip.options[:image_magick_path] = nil
Paperclip.options[:command_path] = nil
......
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