mac 安装 brew 错误及解决方案

首先安装的时候报错：
fatal: ambiguous argument 'refs/remotes/origin/master': unknown revision or path not in the working tree.

HEAD is now at a98bbbc64 Merge pull request #6305 from Homebrew/dependabot/bundler/docs/html-proofer-3.11.1

fatal: ambiguous argument 'refs/remotes/origin/master': unknown revision or path not in the working tree.

from -e:342:in `chdir'

from -e:342:in `

解决方案先卸载再安装

卸载方式：

打开：https://raw.githubusercontent.com/Homebrew/install/master/uninstall

然后将网页上的内容保存下来，存储为uninstall的文件名后

chmod 755 uninstall

./uninstall 或者执行 ruby unstall 文件执行卸载

unstall文件的内容如下：

#!/System/Library/Frameworks/Ruby.framework/Versions/Current/usr/bin/ruby

require "English"
require "fileutils"
require "optparse"
require "pathname"

# Default options
options = {
:force => false,
:quiet => false,
:dry_run => false,
:skip_cache_and_logs => false,
}

# global status to indicate whether there is anything wrong.
@failed = false

module Tty
module_function

def blue
bold 34
end

def red
bold 31
end

def reset
escape 0
end

def bold(code = 39)
escape "1;#{code}"
end

def escape(code)
"\033[#{code}m" if STDOUT.tty?
end
end

class Array
def shell_s
cp = dup
first = cp.shift
cp.map { |arg| arg.gsub " ", "\\ " }.unshift(first).join(" ")
end
end

class Pathname
def resolved_path
symlink? ? dirname+readlink : self
end

def /(other)
self + other.to_s
end

def pretty_print
if symlink?
puts to_s + " -> " + resolved_path.to_s
elsif directory?
puts to_s + "/"
else
puts to_s
end
end
end

def ohai(*args)
puts "#{Tty.blue}==>#{Tty.bold} #{args.shell_s}#{Tty.reset}"
end

def warn(warning)
puts "#{Tty.red}Warning#{Tty.reset}: #{warning.chomp}"
end

def system(*args)
return if Kernel.system(*args)

warn "Failed during: #{args.shell_s}"
@failed = true
end

####################################################################### script

homebrew_prefix_candidates = []

OptionParser.new do |opts|
opts.banner = "Homebrew Uninstaller\nUsage: ./uninstall [options]"
opts.summary_width = 16
opts.on("-pPATH", "--path=PATH", "Sets Homebrew prefix. Defaults to /usr/local.") do |p|
homebrew_prefix_candidates << Pathname.new(p)
end
opts.on("--skip-cache-and-logs", "Skips removal of HOMEBREW_CACHE and HOMEBREW_LOGS.") do
options[:skip_cache_and_logs] = true
end
opts.on("-f", "--force", "Uninstall without prompting.") { options[:force] = true }
opts.on("-q", "--quiet", "Suppress all output.") { options[:quiet] = true }
opts.on("-d", "--dry-run", "Simulate uninstall but don't remove anything.") do
options[:dry_run] = true
end
opts.on_tail("-h", "--help", "Display this message.") do
puts opts
exit
end
end.parse!

if homebrew_prefix_candidates.empty? # Attempt to locate Homebrew unless `--path` is passed
prefix =
begin
`brew --prefix`
rescue
""
end
homebrew_prefix_candidates << Pathname.new(prefix.strip) unless prefix.empty?
prefix =
begin
begin
`command -v brew`
rescue
`which brew`
end
rescue
""
end
homebrew_prefix_candidates << Pathname.new(prefix.strip).dirname.parent unless prefix.empty?
homebrew_prefix_candidates << Pathname.new("/usr/local") # Homebrew default path
homebrew_prefix_candidates << Pathname.new("#{ENV["HOME"]}/.linuxbrew") # Linuxbrew default path
end

HOMEBREW_PREFIX = homebrew_prefix_candidates.find do |p|
next unless p.directory?
if p.to_s == "/usr/local" && File.exist?("/usr/local/Homebrew/.git")
next true
end

(p/".git").exist? || (p/"bin/brew").executable?
end
abort "Failed to locate Homebrew!" if HOMEBREW_PREFIX.nil?

HOMEBREW_REPOSITORY = if (HOMEBREW_PREFIX/".git").exist?
(HOMEBREW_PREFIX/".git").realpath.dirname
elsif (HOMEBREW_PREFIX/"bin/brew").exist?
(HOMEBREW_PREFIX/"bin/brew").realpath.dirname.parent
end
abort "Failed to locate Homebrew!" if HOMEBREW_REPOSITORY.nil?

HOMEBREW_CELLAR = if (HOMEBREW_PREFIX/"Cellar").exist?
HOMEBREW_PREFIX/"Cellar"
else
HOMEBREW_REPOSITORY/"Cellar"
end

gitignore =
begin
(HOMEBREW_REPOSITORY/".gitignore").read
rescue Errno::ENOENT
`curl -fsSL https://raw.githubusercontent.com/Homebrew/brew/master/.gitignore`
end
abort "Failed to fetch Homebrew .gitignore!" if gitignore.empty?

homebrew_files = gitignore.split("\n")
.select { |line| line.start_with? "!" }
.map { |line| line.chomp("/").gsub(%r{^!?/}, "") }
.reject { |line| %w[bin share share/doc].include?(line) }
.map { |p| HOMEBREW_REPOSITORY/p }
if HOMEBREW_PREFIX.to_s != HOMEBREW_REPOSITORY.to_s
homebrew_files << HOMEBREW_REPOSITORY
homebrew_files += %w[
bin/brew
etc/bash_completion.d/brew
share/doc/homebrew
share/man/man1/brew.1
share/man/man1/brew-cask.1
share/zsh/site-functions/_brew
share/zsh/site-functions/_brew_cask
var/homebrew
].map { |p| HOMEBREW_PREFIX/p }
else
homebrew_files << HOMEBREW_REPOSITORY/".git"
end
homebrew_files << HOMEBREW_CELLAR
homebrew_files << HOMEBREW_PREFIX/"Caskroom"

unless options[:skip_cache_and_logs]
homebrew_files += %W[
#{ENV["HOME"]}/Library/Caches/Homebrew
#{ENV["HOME"]}/Library/Logs/Homebrew
/Library/Caches/Homebrew
#{ENV["HOME"]}/.cache/Homebrew
#{ENV["HOMEBREW_CACHE"]}
#{ENV["HOMEBREW_LOGS"]}
].map { |p| Pathname.new(p) }
end

if RUBY_PLATFORM.to_s.downcase.include? "darwin"
homebrew_files += %W[
/Applications
#{ENV["HOME"]}/Applications
].map { |p| Pathname.new(p) }.select(&:directory?).map do |p|
p.children.select do |app|
app.resolved_path.to_s.start_with? HOMEBREW_CELLAR.to_s
end
end.flatten
end

homebrew_files = homebrew_files.select(&:exist?).sort

unless options[:quiet]
warn "This script #{options[:dry_run] ? "would" : "will"} remove:"
homebrew_files.each(&:pretty_print)
end

if STDIN.tty? && (!options[:force] && !options[:dry_run])
STDERR.print "Are you sure you want to uninstall Homebrew? This will remove your installed packages! [y/N] "
abort unless gets.rstrip =~ /y|yes/i
end

ohai "Removing Homebrew installation..." unless options[:quiet]
paths = %w[Frameworks bin etc include lib opt sbin share var]
.map { |p| HOMEBREW_PREFIX/p }
.select(&:exist?)
.map(&:to_s)
if paths.any?
args = %w[-E] + paths + %w[-regex .*/info/([^.][^/]*\.info|dir)]
if options[:dry_run]
args << "-print"
else
args += %w[-exec /bin/bash -c]
args << "/usr/bin/install-info --delete --quiet {} \"$(dirname {})/dir\""
args << ";"
end
puts "Would delete:" if options[:dry_run]
system "/usr/bin/find", *args
args = paths + %w[-type l -lname */Cellar/*]
if options[:dry_run]
args << "-print"
else
args += %w[-exec unlink {} ;]
end
puts "Would delete:" if options[:dry_run]
system "/usr/bin/find", *args
end

homebrew_files.each do |file|
if options[:dry_run]
puts "Would delete #{file}"
else
begin
FileUtils.rm_rf(file)
rescue => e
warn "Failed to delete #{file}"
puts e.message
@failed = true
end
end
end

# Invalidate sudo timestamp before exiting
at_exit { Kernel.system "/usr/bin/sudo", "-k" }

def sudo(*args)
ohai "/usr/bin/sudo", *args
system "/usr/bin/sudo", *args
end

ohai "Removing empty directories..." unless options[:quiet]
paths = %w[bin etc include lib opt sbin share var
Caskroom Cellar Homebrew Frameworks]
.map { |p| HOMEBREW_PREFIX/p }
.select(&:exist?)
.map(&:to_s)
if paths.any?
args = paths + %w[-name .DS_Store]
if options[:dry_run]
args << "-print"
else
args << "-delete"
end
puts "Would delete:" if options[:dry_run]
sudo "/usr/bin/find", *args
args = paths + %w[-depth -type d -empty]
if options[:dry_run]
args << "-print"
else
args += %w[-exec rmdir {} ;]
end
puts "Would remove directories:" if options[:dry_run]
sudo "/usr/bin/find", *args
end

if options[:dry_run]
exit
else
if HOMEBREW_PREFIX.to_s != "/usr/local" && HOMEBREW_PREFIX.exist?
sudo "rmdir", HOMEBREW_PREFIX.to_s
end
if HOMEBREW_PREFIX.to_s != HOMEBREW_REPOSITORY.to_s && HOMEBREW_REPOSITORY.exist?
sudo "rmdir", HOMEBREW_REPOSITORY.to_s
end
end

unless options[:quiet]
if @failed
warn "Homebrew partially uninstalled (but there were steps that failed)!"
puts "To finish uninstalling rerun this script with `sudo`."
else
ohai "Homebrew uninstalled!"
end
end

residual_files = []
residual_files.concat(HOMEBREW_REPOSITORY.children) if HOMEBREW_REPOSITORY.exist?
residual_files.concat(HOMEBREW_PREFIX.children) if HOMEBREW_PREFIX.exist?
residual_files.uniq!

unless residual_files.empty? || options[:quiet]
puts "The following possible Homebrew files were not deleted:"
residual_files.each(&:pretty_print)
puts "You may wish to remove them yourself.\n"
end

exit 1 if @failed

mac 安装 brew 错误及解决方案

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