Permalink
Fetching contributors…
Cannot retrieve contributors at this time
105 lines (85 sloc) 2.97 KB
require 'itamae'
module Itamae
module Resource
class Git < Base
DEPLOY_BRANCH = "deploy"
define_attribute :action, default: :sync
define_attribute :destination, type: String, default_name: true
define_attribute :repository, type: String, required: true
define_attribute :revision, type: String
define_attribute :recursive, type: [TrueClass, FalseClass], default: false
define_attribute :depth, type: Integer
def pre_action
case @current_action
when :sync
attributes.exist = true
end
end
def set_current_attributes
current.exist = run_specinfra(:check_file_is_directory, attributes.destination)
end
def action_sync(options)
ensure_git_available
new_repository = false
if check_empty_dir
cmd = ['git', 'clone']
cmd << '--recursive' if attributes.recursive
cmd += ['--depth', attributes.depth.to_s] if attributes.depth
cmd << attributes.repository << attributes.destination
run_command(cmd)
new_repository = true
end
target = if attributes.revision
get_revision(attributes.revision)
else
fetch_origin!
run_command_in_repo("git ls-remote origin HEAD | cut -f1").stdout.strip
end
if new_repository || target != get_revision('HEAD')
updated!
deploy_old_created = false
if current_branch == DEPLOY_BRANCH
run_command_in_repo("git branch -m deploy-old")
deploy_old_created = true
end
fetch_origin!
run_command_in_repo(["git", "checkout", target, "-b", DEPLOY_BRANCH])
if deploy_old_created
run_command_in_repo("git branch -d deploy-old")
end
end
end
private
def ensure_git_available
unless run_command("which git", error: false).exit_status == 0
raise "`git` command is not available. Please install git."
end
end
def check_empty_dir
run_command("test -z \"$(ls -A #{shell_escape(attributes.destination)})\"", error: false).success?
end
def run_command_in_repo(*args)
unless args.last.is_a?(Hash)
args << {}
end
args.last[:cwd] = attributes.destination
run_command(*args)
end
def current_branch
run_command_in_repo("git rev-parse --abbrev-ref HEAD").stdout.strip
end
def get_revision(branch)
result = run_command_in_repo("git rev-list #{shell_escape(branch)}", error: false)
unless result.exit_status == 0
fetch_origin!
end
run_command_in_repo("git rev-list #{shell_escape(branch)}").stdout.lines.first.strip
end
def fetch_origin!
return if @origin_fetched
@origin_fetched = true
run_command_in_repo(['git', 'fetch', 'origin'])
end
end
end
end