GoFish 0.12.01 is a hotfix release for v0.12.0. There were some issues with fetching and un-archiving the cached packages causing gofish install to fail.
You can see the full CHANGELOG on what's changed between v0.12.0 and v0.12.1 here.
Install
To install v0.12.1, you have two options:
1. From the Install Scripts
MacOS/Linux:
curl -fsSL https://raw.githubusercontent.com/fishworks/gofish/main/scripts/install.sh | bash
Windows (PowerShell, as Administrator):
Set-ExecutionPolicy Bypass -Scope Process -Force
iex ((New-Object System.Net.WebClient).DownloadString('https://raw.githubusercontent.com/fishworks/gofish/main/scripts/install.ps1'))
2. Upgrade GoFish with GoFish!
All users of GoFish can upgrade GoFish using GoFish! How neat is that?
First, you have to install GoFish, with GoFish:
gofish update
gofish install gofish
Then, any time you want to upgrade GoFish, call gofish upgrade!
gofish upgrade gofish