Make all optional dependencies opt-in instead of opt-out

README.org

@@ -383,13 +383,14 @@ using:
 #+END_SRC
 
 Note that this feature is currently beta and uses [[https://github.com/weavejester/crouton][Crouton]] to parse the body of
-the request. If you do not want to use this feature, you can exclude Crouton
-from clj-http's dependencies without causing any problems like so:
+the request. If you do not want to use this feature, you can include Crouton in
+addition to clj-http as a dependency like so:
 
 #+BEGIN_SRC clojure
 (defproject foo "0.1.0-SNAPSHOT"
   :dependencies [[org.clojure/clojure "1.3.0"]
-                 [clj-http "0.6.0" :exclusions [crouton]]])
+                 [clj-http "0.6.0"]
+                 [crouton "1.0.0"]])
 #+END_SRC
 
 Note also that HEAD requests will not return a body, in which case this setting will have no effect.
@@ -720,15 +721,18 @@ function.
 * Optional dependenciess
 
 clj-http currently has four optional dependencies, =cheshire=, =crouton=,
-=tools.reader= and =ring/ring-codec=. Any number of them may be removed by
-excluding them from the clj-http dependency in your project.clj:
+=tools.reader= and =ring/ring-codec=. Any number of them may be included by
+adding them with the clj-http dependency in your project.clj:
 
 #+BEGIN_SRC clojure
 (defproject foo "0.1.0-SNAPSHOT"
-  :dependencies [[org.clojure/clojure "1.5.1"]
-                 [clj-http "0.3.4" :exclusions [cheshire crouton
-                                                org.clojure/tools.reader
-                                                ring/ring-codec]]])
+  :dependencies [[org.clojure/clojure "1.6.0"]
+                 [clj-http "1.1.2"]
+                 ;; optional dependencies
+                 [cheshire "5.4.0"] ;; for :as :json
+                 [crouton "0.1.2"] ;; for :decode-body-headers
+                 [org.clojure/tools.reader] ;; for :as :clojure
+                 [ring/ring-codec]]]]) ;; for :as :x-www-form-urlencoded
 #+END_SRC
 
 * Known issues / Issues you may run into

changelog.org

@@ -103,6 +103,7 @@ List of user-visible changes that have gone into each release
 ** 2015-05-23
 - merged https://github.com/dakrone/clj-http/pull/264 to add support for
   coercion of urlencoded data
+- make ALL optional dependencies opt-in, rather than opt-out
 ** Released 1.1.2
 ** 2015-05-06
 - bumped dependencies for transit-clj and tools.reader

project.clj

@@ -1,4 +1,4 @@
-(defproject clj-http "1.1.3-SNAPSHOT"
+(defproject clj-http "2.0.0-SNAPSHOT"
   :description "A Clojure HTTP library wrapping the Apache HttpComponents client."
   :url "https://github.com/dakrone/clj-http/"
   :license {:name "The MIT License"
@@ -14,12 +14,14 @@
                  [commons-io "2.4"]
                  [com.cognitect/transit-clj "0.8.271"]
                  [slingshot "0.12.2"]
-                 [cheshire "5.4.0"]
-                 [crouton "0.1.2"]
-                 [org.clojure/tools.reader "0.9.2"]
-                 [potemkin "0.3.13"]
-                 [ring/ring-codec "1.0.0"]]
-  :profiles {:dev {:dependencies [[org.clojure/clojure "1.6.0"]
+                 [potemkin "0.3.13"]]
+  :profiles {:dev {:dependencies [;; optional deps
+                                  [cheshire "5.4.0"]
+                                  [crouton "0.1.2"]
+                                  [org.clojure/tools.reader "0.9.2"]
+                                  [ring/ring-codec "1.0.0"]
+                                  ;; other (testing) deps
+                                  [org.clojure/clojure "1.6.0"]
                                   [org.clojure/tools.logging "0.3.1"]
                                   [log4j "1.2.17"]
                                   [ring/ring-jetty-adapter "1.3.2"]