docker_manager/lib/docker_manager/git_repo.rb

155 lines
3.1 KiB
Ruby

# frozen_string_literal: true
# like Grit just very very minimal
class DockerManager::GitRepo
attr_reader :path, :name, :branch
def initialize(path, name = nil)
@path = path
@name = name
@memoize = {}
@branch = tracking_branch
end
def start_upgrading
Discourse.redis.setnx(upgrade_key, latest_local_commit)
end
def stop_upgrading
Discourse.redis.del(upgrade_key)
end
def upgrade_version
@upgrade_version ||= Discourse.redis.get(upgrade_key)
end
def upgrading?
upgrade_version.present?
end
def valid?
File.directory?("#{path}/.git")
end
def latest_local_commit
run "rev-parse HEAD"
end
def latest_origin_commit
run "rev-parse #{tracking_branch}"
end
def latest_local_tag_version
prettify_tag_version("describe HEAD 2>/dev/null")
end
def latest_origin_tag_version
prettify_tag_version("describe #{tracking_branch} 2>/dev/null")
end
def latest_origin_commit_date
commit_date(latest_origin_commit)
end
def latest_local_commit_date
commit_date(latest_local_commit)
end
def commits_behind
run("rev-list --count HEAD..#{tracking_branch}").to_i
end
def url
url = run "config --get remote.origin.url"
if url =~ /^git/
# hack so it works with git urls
url = "https://github.com/#{url.split(":")[1]}"
end
url
end
def update_remote!
`cd #{path} && git remote update`
end
def self.find_all
repos = [
DockerManager::GitRepo.new(Rails.root.to_s, 'discourse'),
DockerManager::GitRepo.new("#{Rails.root}/plugins/docker_manager", "docker_manager")
]
p = Proc.new { |x|
next if x.name == "docker_manager"
repos << DockerManager::GitRepo.new(File.dirname(x.path), x.name)
}
if Discourse.respond_to?(:visible_plugins)
Discourse.visible_plugins.each(&p)
else
Discourse.plugins.each(&p)
end
repos
end
def self.find(path)
find_all.detect { |r| r.path == path }
end
def upstream_branch
@upstream_branch ||= run("for-each-ref --format='%(upstream:short)' $(git symbolic-ref -q HEAD)")
end
def has_local_main?
run("show-ref refs/heads/main").present?
end
protected
def prettify_tag_version(command)
result = run(command)
return unless result.present?
if result =~ /-(\d+)-/
result = result.gsub(/-(\d+)-.*/, " +#{$1}")
end
result
end
def upgrade_key
@upgrade_key ||= "upgrade:#{path}"
end
def commit_date(commit)
unix_timestamp = run(+'show -s --format="%ct" ' << commit).to_i
Time.at(unix_timestamp).to_datetime
end
def has_origin_main?
run("branch -a").match?(/remotes\/origin\/main$/) rescue false
end
def tracking_branch
branch = nil
if defined?(Discourse.find_compatible_git_resource)
branch = Discourse.find_compatible_git_resource(path)
end
return branch if branch.present?
head = upstream_branch
# We prefer `origin/main` to `origin/master`
if head == "origin/master"
return "origin/main" if has_origin_main?
end
head
end
def run(cmd)
@memoize[cmd] ||= `cd #{path} && git #{cmd}`.strip
rescue => e
p e
end
end