Workaround

You can set export HOMEBREW_NO_INSTALL_FROM_API=1 for now to work around this but we need to figure out what’s going on here.

(added by @MikeMcQuaid)

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brew doctor output

Your system is ready to brew.

Verification

• My “brew doctor output” above says Your system is ready to brew. and am still able to reproduce my issue.
• I ran brew update twice and am still able to reproduce my issue.
• This issue’s title and/or description do not reference a single formula e.g. brew install wget. If they do, open an issue at https://github.com/Homebrew/homebrew-core/issues/new/choose instead.

brew config output

HOMEBREW_VERSION: 3.6.20-298-g8fdf6ac
ORIGIN: https://github.com/Homebrew/brew
HEAD: 8fdf6aca11f685641c9b886c0b48462088d23505
Last commit: 4 hours ago
Core tap origin: https://github.com/Homebrew/homebrew-core
Core tap HEAD: ee949c60592946683261f77857350d337ddb6454
Core tap last commit: 4 days ago
Core tap branch: master
Core tap JSON: 07 Feb 11:21 UTC
HOMEBREW_PREFIX: /usr/local
HOMEBREW_CASK_OPTS: []
HOMEBREW_DISPLAY: /private/tmp/com.apple.launchd.jMWJbufzPx/org.xquartz:0
HOMEBREW_EDITOR: /usr/local/bin/nvim
HOMEBREW_MAKE_JOBS: 8
HOMEBREW_NO_ENV_HINTS: set
Homebrew Ruby: 2.6.10 => /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/bin/ruby
CPU: octa-core 64-bit kabylake
Clang: 14.0.0 build 1400
Git: 2.39.1 => /usr/local/bin/git
Curl: 7.86.0 => /usr/bin/curl
macOS: 13.2-x86_64
CLT: 14.2.0.0.1.1668646533
Xcode: N/A

What were you trying to do (and why)?

I’m trying to do brew upgrade

What happened (include all command output)?

The command result in the following error.

$ brew upgrade                                                                                                                                                                                     
Error: No file found at https://raw.githubusercontent.com/Homebrew/homebrew-cask/9da035cce5f43a7a91305908c919cda2d1643571/Casks/vlc.rb
Please report this issue:
  https://docs.brew.sh/Troubleshooting
/usr/local/Homebrew/Library/Homebrew/api.rb:91:in `fetch_file_source'
/usr/local/Homebrew/Library/Homebrew/api/cask.rb:20:in `fetch_source'
/usr/local/Homebrew/Library/Homebrew/cask/cask_loader.rb:242:in `load'
/usr/local/Homebrew/Library/Homebrew/cask/cask_loader.rb:382:in `load'
/usr/local/Homebrew/Library/Homebrew/cask/caskroom.rb:50:in `block in casks'
/usr/local/Homebrew/Library/Homebrew/cask/caskroom.rb:46:in `map'
/usr/local/Homebrew/Library/Homebrew/cask/caskroom.rb:46:in `casks'
/usr/local/Homebrew/Library/Homebrew/cask/cmd/upgrade.rb:98:in `upgrade_casks'
/usr/local/Homebrew/Library/Homebrew/cmd/upgrade.rb:226:in `upgrade_outdated_casks'
/usr/local/Homebrew/Library/Homebrew/cmd/upgrade.rb:117:in `upgrade'
/usr/local/Homebrew/Library/Homebrew/brew.rb:93:in `<main>'

What did you expect to happen?

brew upgrade be successful.

Step-by-step reproduction instructions (by running brew commands)

`brew upgrade`