Further simplify `script/brew-publish`

script/brew-publish

 #!/bin/bash
-# Usage: script/brew-publish <name> <version> [<gh-project>]
-#
-# Updates the `<name>.rb` Homebrew formula to `<version>` and sends a pull
-# request with the change.
-set -e
+# Usage: script/brew-publish <formula-name> <repo> <version>
+set -euo pipefail
 
 brew_name="${1?}"
-version="${2?}"
-
-if [ -n "$3" ]; then
-  gh_project="github.com/${3}"
-else
-  gh_project="$(git remote -v | grep '^origin' | grep -oE 'github.com[:/][^/]+/[^/ ]+' | head -1)"
-  gh_project="${gh_project%.git}"
-fi
-
-url="https://${gh_project/:/\/}/archive/${version}.tar.gz"
+repo="${2?}"
+version="${3?}"
+shift 3
 
+url="https://github.com/${repo}/archive/${version}.tar.gz"
 checksum="$(curl -fsSL "$url" | shasum -a 256 -b | awk '{print $1}')"
 
-if [ -z "$checksum" ]; then
-  echo "ERROR: calculating the checksum failed for $url" >&2
-  exit 1
-fi
-
-brew bump-formula-pr --url=$url --sha256=$checksum $brew_name
+brew bump-formula-pr --url="$url" --sha256="$checksum" "$brew_name" "$@"

script/release

@@ -41,7 +41,6 @@ git push origin master "${version_tag}"
 { echo "ruby-build ${new_version}"
   echo
   git log --no-merges --format='%w(0,0,2)* %B' --reverse "${previous_tag}..HEAD^" -- bin share
-} | hub release create -dF - -c "$(git rev-parse HEAD)" "$version_tag" || true
-hub browse -- "releases/${version_tag}"
+} | hub release create -dF - "$version_tag" || true
 
-script/brew-publish ruby-build "$version_tag"
+script/brew-publish ruby-build rbenv/ruby-build "$version_tag"