## Environment
OS: Arch Linux
Git version: git@next d54016d9e
## Reproduction Steps
(1) Create the following `git.config`,
```
[alias]
tree = --no-pager log --graph \
--date=format:'%Y-%m-%d' \
--pretty=format:'%C(auto,dim)%ad %<(7,trunc) %an %Creset%m %h
%s %Cgreen%d%Creset' \
--exclude="*/production" \
--exclude="*/dev-*" \
-n 20 \
[user]
name = Shulhan
email = [email protected]
```
(2) Run `git config -f git.config -l`
## Expected Result
Error message,
fatal: bad config line 9 at git.config
## Actual Result
The command print the following output,
```
alias.tree=--no-pager log --graph
--date=format:'%Y-%m-%d'
--pretty=format:'%C(auto,dim)%ad %<(7,trunc) %an %Creset%m %h %s
%Cgreen%d%Creset' --exclude=*/production --exclude=*/dev-*
-n 20 [user]
alias.name=Shulhan
[email protected]
```
