Write to README about update v7

edvakf · Sep 2, 2015 · 01ad40a · 01ad40a
1 parent 9bae51d
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 Go binding for V7 JavaScript engine.
 
+## Updating v7
+
+v7 was added as a git subtree like this;
+
+```
+$ git remote add -f v7_origin git@github.com:cesanta/v7.git
+$ git subtree add --prefix=v7/ --squash v7_origin master
+```
+
+To update v7, do `merge --squash`
+
+```
+$ git merge --squash -s subtree --no-commit v7_origin
+$ git commit
+```