fixed swirldev#434

DESCRIPTION

@@ -4,7 +4,7 @@ Description: Use the R console as an interactive learning
     environment. Users receive immediate feedback as they are guided through
     self-paced lessons in data science and R programming.
 URL: http://swirlstats.com
-Version: 2.4.1
+Version: 2.4.2
 License: MIT + file LICENSE
 Authors@R: c(
     person("Sean", "Kross", email = "[email protected]", role = c("aut", "cre")),
@@ -15,16 +15,15 @@ Authors@R: c(
     person("Wush", "Wu", role = "ctb")
     )
 Depends:
-    R (>= 3.0.2)
+    R (>= 3.1.0)
 Imports:
     stringr,
-    testthat,
+    testthat (>= 1.0.2),
     httr (>= 1.1.0),
     yaml,
     RCurl,
     digest,
     tools,
-    utils,
     methods
 Suggests:
     stringi

NAMESPACE

@@ -27,7 +27,6 @@ export(swirl_options)
 export(uninstall_all_courses)
 export(uninstall_course)
 export(zip_course)
-import(utils)
 importFrom(RCurl,base64)
 importFrom(RCurl,getForm)
 importFrom(RCurl,postForm)

NEWS.md

@@ -1,3 +1,7 @@
+# swirl 2.4.2
+
+* Script questions behave more appropriately in RStudio. (#434, thank you @jimhester)
+
 # swirl 2.4.1
 
 * Added new answer test: `calculates_same_value()`.

R/global.R

@@ -0,0 +1,5 @@
+utils::globalVariables(c("URLencode", "browseURL", "capture.output",
+                         "file.edit", "getS3method", "head", "install.packages",
+                         "packageVersion", "read.csv", "select.list", "sessionInfo",
+                         "setTxtProgressBar", "tail", "txtProgressBar", "unzip",
+                         "zip"))

R/swirl.R

@@ -36,7 +36,6 @@
 #' @export
 #' @importFrom stringr str_c str_trim str_split str_length 
 #' @importFrom stringr str_detect str_locate fixed str_split_fixed
-#' @import utils
 #' @importFrom methods is
 #' @examples
 #' \dontrun{

cran-comments.md

@@ -1,16 +1,11 @@
 ## Release summary
 
-This is the first attempted CRAN release of swirl 2.4.1.
-This patch is in response to a message from Brian Ripely
-informing me that a test fails in the Latin-1 locale, and a
-message from Hadley Wickham informing me that the new
-version of testthat introduces breaking changes to swirl.
-This patch should resolve both of those issues.
+This is the first attempted CRAN release of swirl 2.4.2.
 
 ## Test environments
 
-* local OSX Yosemite install, R 3.2.4
-* Ubuntu 12.04 (on travis-ci), R 3.2.4
+* local OSX Yosemite install, R 3.3.0
+* Ubuntu 12.04 (on travis-ci), R 3.3.0
 * win-builder (devel and release)
 
 ## R CMD check results