Fix #939: don't check gitbook version for sub-books (checked for parent)

1 files changed, 7 insertions, 5 deletions

diff --git a/lib/configuration.js b/lib/configuration.js
index e176f80..2412ff3 100644
--- a/lib/configuration.js
+++ b/lib/configuration.js
@@ -114,11 +114,13 @@ Configuration.prototype.load = function() {
         }
     })
     .then(function() {
-        if (!semver.satisfies(pkg.version, that.options.gitbook)) {
-            throw new Error("GitBook version doesn't satisfy version required by the book: "+that.options.gitbook);
-        }
-        if (that.options.gitbook != "*" && !semver.satisfies(semver.inc(pkg.version, "patch"), that.options.gitbook)) {
-            that.book.log.warn.ln("gitbook version specified in your book.json might be too strict for future patches, \""+(_.first(pkg.version.split("."))+".x.x")+"\" is more adequate");
+        if (!that.book.isSubBook()) {
+            if (!semver.satisfies(pkg.version, that.options.gitbook)) {
+                throw new Error("GitBook version doesn't satisfy version required by the book: "+that.options.gitbook);
+            }
+            if (that.options.gitbook != "*" && !semver.satisfies(semver.inc(pkg.version, "patch"), that.options.gitbook)) {
+                that.book.log.warn.ln("gitbook version specified in your book.json might be too strict for future patches, \""+(_.first(pkg.version.split("."))+".x.x")+"\" is more adequate");
+            }
         }
 
         that.options.output = path.resolve(that.options.output || that.book.resolve("_book"));