-c option is not effective when opening filepaths

[rhysd]

git-brws version

v0.11.11

Repro

Run:

git clone https://github.com/rhysd/git-brws.git
cd git-brws
git brws -c ./src/main.rs

Expected behavior

Open https://github.com/rhysd/git-brws/blob/master/src/main.rs

Actual behavior

Opened https://github.com/rhysd/git-brws/blob/{hash}/src/main.rs ignoring -c option