Updating increment_version script so that it works with the version o…

…f sed on the CI server

increment_version.sh

@@ -5,9 +5,17 @@ MINOR="$(grep minorVersion gradle.properties | cut -d = -f2)"
 PATCH="$(grep patchVersion gradle.properties | cut -d = -f2)"
 NEW_PATCH=$((PATCH + 1))
 
-sed -i ".bak" "s/\(patchVersion=\).*/\1$NEW_PATCH/g" gradle.properties
-rm gradle.properties.bak
+if hash gsed 2>/dev/null; then
+  #The default version of sed on OSX is not good, so use gsed (which can be installed via
+  #homebrew with 'brew install gnu-sed') if it's available. I'll want to make this
+  #a little more robust later on
+  gsed -i s/patchVersion=$PATCH/patchVersion=$NEW_PATCH/g gradle.properties
+else
+  #I'm assuming that this will be gnu-sed. I'll need to make this a little more
+  #strict at some point
+  sed -i s/patchVersion=$PATCH/patchVersion=$NEW_PATCH/g gradle.properties
+fi
 
 git add gradle.properties
 git commit --author "CI <[email protected]>" -m "Updating to version $MAJOR.$MINOR.$NEW_PATCH [skip ci]"
-git push origin master
+git push origin master