rbenv-ruby-build/script/brew-publish
Jason Karns c9a6cdb3b1 Ensure current branch pushes to matching on remote
`git push <remote> HEAD` is documented to push current branch to
same-named branch on the remote
2016-01-18 21:59:42 -05:00

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#!/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
brew_name="${1?}"
version="${2?}"
if ! type -p hub >/dev/null; then
"ERROR: You have to install hub to proceed." >&2
exit 1
fi
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"
checksum="$(curl -fsSL "$url" | shasum -a 256 -b | awk '{print $1}')"
if [ -z "$checksum" ]; then
echo "ERROR: calculating the checksum failed for $url" >&2
exit 1
fi
pushd "$(brew --prefix)"
git fetch -q --unshallow origin master 2>/dev/null || git fetch -q origin master
branch="${brew_name}-${version}"
git checkout -q -B "$branch" origin/master
formula="Library/Formula/${brew_name}.rb"
sed -i.bak -E "
s!^( url ).+!\\1\"${url}\"!
s!^( sha256 ).+!\\1\"${checksum}\"!
" "$formula"
rm -f "${formula}.bak"
git commit -m "${brew_name} ${version#v}" -- "$formula"
# hackish way of getting the git remote name for user's fork
fork_remote="$(hub fork 2>&1 | grep -oE 'remote:? \S+' | tail -1 | awk '{print $2}')"
git push -u "$fork_remote" HEAD
hub pull-request -m "${brew_name} ${version#v}"
git checkout -q -