* allow user to pass gh-app-key directly instead of filename
* start fixing tests
* fix make test
* update website with info about new flag
* Apply suggestions from code review
Co-authored-by: Roberto Hidalgo <un@rob.mx>
Co-authored-by: Roberto Hidalgo <un@rob.mx>
- rename gh-app-key to gh-app-key-file for clarity
- change git credentials writer to append a line if there is an existing
.git-credentials file and in the case of the github app to replace the
old github app line
- removed automatically setting --write-git-creds to true when using a
github app and instead requiring this is set specifically
