Install carthage 0.11 if not installed

Author: Emily Toop

carthage.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env sh
 CARTHAGE_VERSION=$(carthage version)
-if [[ $CARTHAGE_VERSION<0.11.0 || $CARTHAGE_VERSION>0.11.0 ]]; then
-	echo "Carthage requires upgrade"
+if which carthage ==/dev/null || [[ $CARTHAGE_VERSION<0.11.0 || $CARTHAGE_VERSION>0.11.0 ]]; then
+	echo "Installing Carthage 0.11"
 	brew update
 	brew install https://github.com/Carthage/Carthage/releases/tag/0.11
 fi

checkout.sh

@@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-if which carthage >/dev/null; then
-	./carthage.sh
-	carthage bootstrap --platform ios --no-use-binaries
-else
-	echo "\"carthage\" not found. please install with the following command:"
-	echo "\t brew update && brew install carthage"
-fi
+
+./carthage.sh
+
+carthage bootstrap --platform ios --no-use-binaries

update.sh

@@ -1,9 +1,5 @@
 #!/usr/bin/env sh
-if which carthage >/dev/null; then
-	./carthage.sh
 
-	carthage update --platform ios --no-use-binaries
-else
-	echo "\"carthage\" not found. please install with the following command:"
-	echo "\t brew update && brew install carthage"
-fi
+./carthage.sh
+
+carthage update --platform ios --no-use-binaries