d12frosted/homebrew-emacs-plus · error · ConfigurationError

Invalid 'revision' in #{path} Expected: git commit hash (hex

Error message

Invalid 'revision' in #{path}
Expected: git commit hash (hex string)
Got: #{revision.inspect}

What it means

Error "Invalid 'revision' in #{path} Expected: git commit hash (hex string) Got: #{revision.inspect}" thrown in d12frosted/homebrew-emacs-plus.

Source

Thrown at Library/BuildConfig.rb:319

            "Got: #{entry.inspect} (#{entry.class})"
        end
      end
    end

    def validate_patch_spec!(spec, path, key:)
      return if spec.is_a?(Hash) && spec["url"] && spec["sha256"]

      raise ConfigurationError,
        "Invalid '#{key}' in #{path}\n" \
        "External and local patches require both 'url' and 'sha256'.\n" \
        "Got: #{spec.inspect}"
    end

    def validate_revision!(revision, path)
      case revision
      when String
        unless revision.match?(/\A[a-f0-9]+\z/i)
          raise ConfigurationError,
            "Invalid 'revision' in #{path}\n" \
            "Expected: git commit hash (hex string)\n" \
            "Got: #{revision.inspect}"
        end
      when Hash
        validate_version_map_keys!(revision, "revision", path)
        revision.each do |ver, rev|
          unless rev.is_a?(String) && rev.match?(/\A[a-f0-9]+\z/i)
            raise ConfigurationError,
              "Invalid 'revision.#{ver}' in #{path}\n" \
              "Expected: git commit hash (hex string)\n" \
              "Got: #{rev.inspect}"
          end
        end
      else
        raise ConfigurationError,
          "Invalid 'revision' in #{path}\n" \
          "Expected: git commit hash or version-specific hash map\n" \

View on GitHub (pinned to 01c47fe98f)

Solutions

1. Set 'revision' to a valid git commit hash containing only hex characters (0-9, a-f).
2. Get the hash with 'git rev-parse HEAD' in the target repository, e.g. 'revision: abc123def456'.
3. Remove 'revision' to build from the default branch head.

When it happens

Trigger: Thrown at Library/BuildConfig.rb:319 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of d12frosted/homebrew-emacs-plus@01c47fe98f (2026-08-23). Data as JSON: /api/errors/6d46fcb9f6cd0403. Report an issue: GitHub.