Templates missing before git clone

I've noticed the following error starting caddy (v0.10.10):
```
Error during parsing: default template parse error: open site/templates/template.html: no such file or directory
```
with the following `Caddyfile`:
```
localhost:8080 {
git github.com/user/site {
hook /push key
}
root site
markdown / {
ext .md
template templates/template.html
}
}
```

Caddy throws the error and exits before the git plugin clones the repo. Would it be possible for the git plugin to defer template loading until the repo is cloned successfully?