lg2 merge exit code incorrect

When testing a simple sh script I noticed a very frustrating error. The same script behaves differently when there is a merge conflict. Namely, when you see this output:
```
Received 0/0 objects in 0bytes
Error: repository is in unexpected state:
repository is in state 1
It looks like a merge is in progress. Either
resolve the conflicts (see `lg2 status`), `lg
2 add` each changed file and commit the resul
t, or run `lg2 reset --hard HEAD` to stop the
merge.
```
In this case, status code 0 is apparently returned, since my if statement prints "succ". However, if I run the same file in a folder without a repo, it prints "fail".

Here is the aforementioned script:
```sh
#! /bin/sh
echo hey
if ! ( git pull ); then
echo fail
else
echo succ
fi
```

Hopefully there can be a small patch, but if not or if I'm doing something wrong, let me know and I'll understand!