Whenever I do rails new
, I always have to check the effect of --skip-xxx
, so I created a repository.
What I made
In this repository, the code output from running rails new
with the Rails version
and flag
combination can be referenced by git tags.
The name of the tag is in the form {Rails version}-{flag}
.
For example, Rails 7.0.1 code output with --minimal
can be referenced by the tag 7.0.1-minimal
.
Currently, the supported Rails versions are as follows
- 6.0.x
- 6.1.x
- 7.0.x
Usage
It may be obvious when you see it, but just in case, here is how to use it.
For example, in Rails 7.0.1, there is a flag called --api
and you want to find out how specifying it changes the generated code.
Table in README.markdown(Following is an excerpt) to the --api
flag line, click on the ๐ at the 7.0.1
position to see the diff on GitHub.
(Diff. display as of 2022-01-08)
From the above, we can see that specifying --api
makes the following difference in the output results.
- Gemfile ใซ
sprockets-rails
,importmap-rails
,turbo-rails
,stimulus-rails
,jbuilder
, ... (Omitted) ... is removed - Parent class of
ApplicationController
changes fromActionController::Base
toActionController::API
. - Middleware configuration changes to the minimum required by adding
config.api_only = true
setting. - And so on...
You can also compare arbitrary Tags by writing your own URLs. For more information on how to compare tags on GitHub, please refer to the following document.
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