:

diff --git a/Makefile b/Makefile
index 2c38b392891293d7f442ab902310e4d8a89e1dfe..27f2a1b0c2a353fcc7ca2d4967013456fd0f4f75 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,7 @@ build: ensure
 book: build
 
 deploy: book
-       @git push origin :gh-pages || true
+       @$(shell git push origin :gh-pages || true)
        @git add -f book
        @git commit -m "add book"
        @git subtree push --prefix book origin gh-pages