In Mac OS X High Sierra or later version, let's say you upgraded Varnish HTTP Accelerator from 4.x.x/5.x.x to any latest versions 6.x.x using brew. And now for any reasons you want to go back to previous version i.e. 5.2.0 altogether? Good news folks!
You can do that by copying over the actual brew formulae on your local and defining the version you want in the rb file.
In the following example, I want to revert to version 5.2.0 from 6.2.0.
Let's copy over the file from https://github.com/Homebrew/homebrew-core/blob/master/Formula/varnish.rb to your local. Then edit the varnish.rb file, remove/comment out the following lines:
sha256 "c37af353aca25a83d22f9c5ce0ae800fe433e4d02e1457e02886a5849f988e53"
bottle do
sha256 "7101ff2895f77803ea1e1ca6c8ebc1feef2c07b77fbf612f6dcf6983bf4ffc27" => :mojave
sha256 "d1fd8751be2ddccb463b385377b88cc440632eb1a07c0175fab9ee77c57f986d" => :high_sierra
sha256 "e124ad1c5638c7304743b5f3dbec996afa33c972dbe991ec35280c4d7787b3a4" => :sierra
end
Replace this line:
url "https://varnish-cache.org/_downloads/varnish-6.2.0.tgz"
with
url "https://varnish-cache.org/_downloads/varnish-5.2.0.tgz"
You can get all available versions in https://varnish-cache.org/releases/. All you need to do is to tap on the intended version and paste the download url.
Now, save this varnish.rb file and run:
chmod 775 varnish.rb
brew install ./varnish.rb
brew will execute this and install varnish 5.2.0 as expected.
That's all!
Top comments (1)
Got error and stoped!