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#
# Author:: Daniel DeLeo (<dan@chef.io>)
# Copyright:: Copyright 2011-2016, Chef Software Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require "chef/mixin/shell_out"
class Chef
class Knife
class CookbookSCMRepo
DIRTY_REPO = /^[\s]+M/
include Chef::Mixin::ShellOut
attr_reader :repo_path
attr_reader :default_branch
attr_reader :use_current_branch
attr_reader :ui
def initialize(repo_path, ui, opts = {})
@repo_path = repo_path
@ui = ui
@default_branch = "master"
@use_current_branch = false
apply_opts(opts)
end
def sanity_check
unless ::File.directory?(repo_path)
ui.error("The cookbook repo path #{repo_path} does not exist or is not a directory")
exit 1
end
unless git_repo?(repo_path)
ui.error "The cookbook repo #{repo_path} is not a git repository."
ui.info("Use `git init` to initialize a git repo")
exit 1
end
if use_current_branch
@default_branch = get_current_branch()
end
unless branch_exists?(default_branch)
ui.error "The default branch '#{default_branch}' does not exist"
ui.info "If this is a new git repo, make sure you have at least one commit before installing cookbooks"
exit 1
end
cmd = git("status --porcelain")
if cmd.stdout =~ DIRTY_REPO
ui.error "You have uncommitted changes to your cookbook repo (#{repo_path}):"
ui.msg cmd.stdout
ui.info "Commit or stash your changes before importing cookbooks"
exit 1
end
# TODO: any untracked files in the cookbook directory will get nuked later
# make this an error condition also.
true
end
def reset_to_default_state
ui.info("Checking out the #{default_branch} branch.")
git("checkout #{default_branch}")
end
def prepare_to_import(cookbook_name)
branch = "chef-vendor-#{cookbook_name}"
if branch_exists?(branch)
ui.info("Pristine copy branch (#{branch}) exists, switching to it.")
git("checkout #{branch}")
else
ui.info("Creating pristine copy branch #{branch}")
git("checkout -b #{branch}")
end
end
def finalize_updates_to(cookbook_name, version)
if update_count = updated?(cookbook_name)
ui.info "#{update_count} files updated, committing changes"
git("add #{cookbook_name}")
git("commit -m \"Import #{cookbook_name} version #{version}\" -- #{cookbook_name}")
ui.info("Creating tag cookbook-site-imported-#{cookbook_name}-#{version}")
git("tag -f cookbook-site-imported-#{cookbook_name}-#{version}")
true
else
ui.info("No changes made to #{cookbook_name}")
false
end
end
def merge_updates_from(cookbook_name, version)
branch = "chef-vendor-#{cookbook_name}"
Dir.chdir(repo_path) do
if system("git merge #{branch}")
ui.info("Cookbook #{cookbook_name} version #{version} successfully installed")
else
ui.error("You have merge conflicts - please resolve manually")
ui.info("Merge status (cd #{repo_path}; git status):")
system("git status")
exit 3
end
end
end
def updated?(cookbook_name)
update_count = git("status --porcelain -- #{cookbook_name}").stdout.strip.lines.count
update_count == 0 ? nil : update_count
end
def branch_exists?(branch_name)
git("branch --no-color").stdout.lines.any? { |l| l =~ /\s#{Regexp.escape(branch_name)}(?:\s|$)/ }
end
def get_current_branch
ref = git("symbolic-ref HEAD").stdout
ref.chomp.split("/")[2]
end
private
def git_repo?(directory)
if File.directory?(File.join(directory, ".git"))
true
elsif File.dirname(directory) == directory
false
else
git_repo?(File.dirname(directory))
end
end
def apply_opts(opts)
opts.each do |option, value|
case option.to_s
when "default_branch"
@default_branch = value
when "use_current_branch"
@use_current_branch = value
end
end
end
def git(command)
shell_out!("git #{command}", :cwd => repo_path)
end
end
end
end
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