Puppet::Type.type(:vcsrepo).provide(:git, :parent => Puppet::Provider::Vcsrepo) do
desc "Supports Git repositories"
- ##TODO modify the commands below so that the su - is included
- optional_commands :git => 'git',
- :su => 'su'
- defaultfor :git => :exists
- has_features :bare_repositories, :reference_tracking, :ssh_identity, :multiple_remotes, :user
+ commands :git => 'git'
+
+ has_features :bare_repositories, :reference_tracking, :ssh_identity, :multiple_remotes, :user, :depth, :branch, :submodules
def create
+ if @resource.value(:revision) and @resource.value(:ensure) == :bare
+ fail("Cannot set a revision (#{@resource.value(:revision)}) on a bare repository")
+ end
if !@resource.value(:source)
init_repository(@resource.value(:path))
else
- clone_repository(@resource.value(:source), @resource.value(:path))
+ clone_repository(default_url, @resource.value(:path))
+ update_remotes
+
if @resource.value(:revision)
- if @resource.value(:ensure) == :bare
- notice "Ignoring revision for bare repository"
- else
- checkout
- end
+ checkout
end
- if @resource.value(:ensure) != :bare
+ if @resource.value(:ensure) != :bare && @resource.value(:submodules) == :true
update_submodules
end
+
end
update_owner_and_excludes
end
FileUtils.rm_rf(@resource.value(:path))
end
+ # Checks to see if the current revision is equal to the revision on the
+ # remote (whether on a branch, tag, or reference)
+ #
+ # @return [Boolean] Returns true if the repo is on the latest revision
def latest?
- at_path do
- return self.revision == self.latest
- end
+ return revision == latest_revision
end
+ # Just gives the `should` value that we should be setting the repo to if
+ # latest? returns false
+ #
+ # @return [String] Returns the target sha/tag/branch
def latest
- branch = on_branch?
- if branch == 'master'
- return get_revision("#{@resource.value(:remote)}/HEAD")
- elsif branch == '(no branch)'
- return get_revision('HEAD')
- else
- return get_revision("#{@resource.value(:remote)}/%s" % branch)
- end
+ @resource.value(:revision)
end
+ # Get the current revision of the repo (tag/branch/sha)
+ #
+ # @return [String] Returns the branch/tag if the current sha matches the
+ # remote; otherwise returns the current sha.
def revision
- update_references
- current = at_path { git_with_identity('rev-parse', 'HEAD').chomp }
- return current unless @resource.value(:revision)
-
- if tag_revision?(@resource.value(:revision))
- canonical = at_path { git_with_identity('show', @resource.value(:revision)).scan(/commit (.*)/).to_s }
- else
- canonical = at_path { git_with_identity('rev-parse', @resource.value(:revision)).chomp }
- end
-
- if current == canonical
- @resource.value(:revision)
- else
- current
- end
+ #HEAD is the default, but lets just be explicit here.
+ get_revision('HEAD')
end
+ # Is passed the desired reference, whether a tag, rev, or branch. Should
+ # handle transitions from a rev/branch/tag to a rev/branch/tag. Detached
+ # heads should be treated like bare revisions.
+ #
+ # @param [String] desired The desired revision to which the repo should be
+ # set.
def revision=(desired)
+ #just checkout tags and shas; fetch has already happened so they should be updated.
checkout(desired)
+ #branches require more work.
if local_branch_revision?(desired)
- # reset instead of pull to avoid merge conflicts. assuming remote is
- # authoritative.
- # might be worthwhile to have an allow_local_changes param to decide
- # whether to reset or pull when we're ensuring latest.
+ #reset instead of pull to avoid merge conflicts. assuming remote is
+ #updated and authoritative.
+ #TODO might be worthwhile to have an allow_local_changes param to decide
+ #whether to reset or pull when we're ensuring latest.
at_path { git_with_identity('reset', '--hard', "#{@resource.value(:remote)}/#{desired}") }
end
+ #TODO Would this ever reach here if it is bare?
if @resource.value(:ensure) != :bare
update_submodules
end
bare_git_config_exists? && !working_copy_exists?
end
+ # If :source is set to a hash (for supporting multiple remotes),
+ # we search for the URL for :remote. If it doesn't exist,
+ # we throw an error. If :source is just a string, we use that
+ # value for the default URL.
+ def default_url
+ if @resource.value(:source).is_a?(Hash)
+ if @resource.value(:source).has_key?(@resource.value(:remote))
+ @resource.value(:source)[@resource.value(:remote)]
+ else
+ fail("You must specify the URL for #{@resource.value(:remote)} in the :source hash")
+ end
+ else
+ @resource.value(:source)
+ end
+ end
+
def working_copy_exists?
- File.directory?(File.join(@resource.value(:path), '.git'))
+ if @resource.value(:source) and File.exists?(File.join(@resource.value(:path), '.git', 'config'))
+ File.readlines(File.join(@resource.value(:path), '.git', 'config')).grep(/#{default_url}/).any?
+ else
+ File.directory?(File.join(@resource.value(:path), '.git'))
+ end
end
def exists?
working_copy_exists? || bare_exists?
end
+ def update_remote_url(remote_name, remote_url)
+ do_update = false
+ current = git_with_identity('config', '-l')
+
+ unless remote_url.nil?
+ # Check if remote exists at all, regardless of URL.
+ # If remote doesn't exist, add it
+ if not current.include? "remote.#{remote_name}.url"
+ git_with_identity('remote','add', remote_name, remote_url)
+ return true
+
+ # If remote exists, but URL doesn't match, update URL
+ elsif not current.include? "remote.#{remote_name}.url=#{remote_url}"
+ git_with_identity('remote','set-url', remote_name, remote_url)
+ return true
+ else
+ return false
+ end
+ end
+
+ end
+
+ def update_remotes
+ do_update = false
+
+ # If supplied source is a hash of remote name and remote url pairs, then
+ # we loop around the hash. Otherwise, we assume single url specified
+ # in source property
+ if @resource.value(:source).is_a?(Hash)
+ @resource.value(:source).keys.sort.each do |remote_name|
+ remote_url = @resource.value(:source)[remote_name]
+ at_path { do_update |= update_remote_url(remote_name, remote_url) }
+ end
+ else
+ at_path { do_update |= update_remote_url(@resource.value(:remote), @resource.value(:source)) }
+ end
+
+ # If at least one remote was added or updated, then we must
+ # call the 'git remote update' command
+ if do_update == true
+ at_path { git_with_identity('remote','update') }
+ end
+
+ end
+
def update_references
at_path do
+ update_remotes
git_with_identity('fetch', @resource.value(:remote))
git_with_identity('fetch', '--tags', @resource.value(:remote))
update_owner_and_excludes
private
+ # @!visibility private
def bare_git_config_exists?
File.exist?(File.join(@resource.value(:path), 'config'))
end
+ # @!visibility private
def clone_repository(source, path)
check_force
args = ['clone']
+ if @resource.value(:depth) and @resource.value(:depth).to_i > 0
+ args.push('--depth', @resource.value(:depth).to_s)
+ end
+ if @resource.value(:branch)
+ args.push('--branch', @resource.value(:branch).to_s)
+ end
if @resource.value(:ensure) == :bare
args << '--bare'
end
- if !File.exist?(File.join(@resource.value(:path), '.git'))
+ if @resource.value(:remote) != 'origin'
+ args.push('--origin', @resource.value(:remote))
+ end
+ if !working_copy_exists?
args.push(source, path)
- git_with_identity(*args)
+ Dir.chdir("/") do
+ git_with_identity(*args)
+ end
else
notice "Repo has already been cloned"
end
end
+ # @!visibility private
def check_force
- if path_exists?
+ if path_exists? and not path_empty?
if @resource.value(:force)
notice "Removing %s to replace with vcsrepo." % @resource.value(:path)
destroy
end
end
+ # @!visibility private
def init_repository(path)
check_force
if @resource.value(:ensure) == :bare && working_copy_exists?
else
# normal init
FileUtils.mkdir(@resource.value(:path))
+ FileUtils.chown(@resource.value(:user), nil, @resource.value(:path)) if @resource.value(:user)
args = ['init']
if @resource.value(:ensure) == :bare
args << '--bare'
# <path>/.git
# to:
# <path>/
+ # @!visibility private
def convert_working_copy_to_bare
notice "Converting working copy repository to bare repository"
FileUtils.mv(File.join(@resource.value(:path), '.git'), tempdir)
# <path>/
# to:
# <path>/.git
+ # @!visibility private
def convert_bare_to_working_copy
notice "Converting bare repository to working copy repository"
FileUtils.mv(@resource.value(:path), tempdir)
FileUtils.mv(tempdir, File.join(@resource.value(:path), '.git'))
if commits_in?(File.join(@resource.value(:path), '.git'))
reset('HEAD')
- git_with_identity('checkout', '-f')
+ git_with_identity('checkout', '--force')
update_owner_and_excludes
end
end
+ # @!visibility private
def commits_in?(dot_git)
Dir.glob(File.join(dot_git, 'objects/info/*'), File::FNM_DOTMATCH) do |e|
return true unless %w(. ..).include?(File::basename(e))
false
end
+ # Will checkout a rev/branch/tag using the locally cached versions. Does not
+ # handle upstream branch changes
+ # @!visibility private
def checkout(revision = @resource.value(:revision))
if !local_branch_revision? && remote_branch_revision?
- at_path { git_with_identity('checkout', '-b', revision, '--track', "#{@resource.value(:remote)}/#{revision}") }
+ #non-locally existant branches (perhaps switching to a branch that has never been checked out)
+ at_path { git_with_identity('checkout', '--force', '-b', revision, '--track', "#{@resource.value(:remote)}/#{revision}") }
else
+ #tags, locally existant branches (perhaps outdated), and shas
at_path { git_with_identity('checkout', '--force', revision) }
end
end
+ # @!visibility private
def reset(desired)
at_path do
git_with_identity('reset', '--hard', desired)
end
end
+ # @!visibility private
def update_submodules
at_path do
- git_with_identity('submodule', 'init')
- git_with_identity('submodule', 'update')
- git_with_identity('submodule', 'foreach', 'git', 'submodule', 'init')
- git_with_identity('submodule', 'foreach', 'git', 'submodule', 'update')
+ git_with_identity('submodule', 'update', '--init', '--recursive')
end
end
+ # Determins if the branch exists at the upstream but has not yet been locally committed
+ # @!visibility private
def remote_branch_revision?(revision = @resource.value(:revision))
# git < 1.6 returns '#{@resource.value(:remote)}/#{revision}'
# git 1.6+ returns 'remotes/#{@resource.value(:remote)}/#{revision}'
branch = at_path { branches.grep /(remotes\/)?#{@resource.value(:remote)}\/#{revision}/ }
- if branch.length > 0
- return branch
- end
+ branch unless branch.empty?
end
+ # Determins if the branch is already cached locally
+ # @!visibility private
def local_branch_revision?(revision = @resource.value(:revision))
at_path { branches.include?(revision) }
end
+ # @!visibility private
def tag_revision?(revision = @resource.value(:revision))
at_path { tags.include?(revision) }
end
+ # @!visibility private
def branches
at_path { git_with_identity('branch', '-a') }.gsub('*', ' ').split(/\n/).map { |line| line.strip }
end
+ # @!visibility private
def on_branch?
- at_path { git_with_identity('branch', '-a') }.split(/\n/).grep(/\*/).first.to_s.gsub('*', '').strip
+ at_path {
+ matches = git_with_identity('branch', '-a').match /\*\s+(.*)/
+ matches[1] unless matches[1].match /(\(detached from|\(no branch)/
+ }
end
+ # @!visibility private
def tags
at_path { git_with_identity('tag', '-l') }.split(/\n/).map { |line| line.strip }
end
+ # @!visibility private
def set_excludes
- at_path { open('.git/info/exclude', 'w') { |f| @resource.value(:excludes).each { |ex| f.write(ex + "\n") }}}
+ # Excludes may be an Array or a String.
+ at_path do
+ open('.git/info/exclude', 'w') do |f|
+ if @resource.value(:excludes).respond_to?(:each)
+ @resource.value(:excludes).each { |ex| f.puts ex }
+ else
+ f.puts @resource.value(:excludes)
+ end
+ end
+ end
end
- def get_revision(rev)
- if !working_copy_exists?
- create
- end
- at_path do
- git_with_identity('fetch', @resource.value(:remote))
- git_with_identity('fetch', '--tags', @resource.value(:remote))
+ # Finds the latest revision or sha of the current branch if on a branch, or
+ # of HEAD otherwise.
+ # @note Calls create which can forcibly destroy and re-clone the repo if
+ # force => true
+ # @see get_revision
+ #
+ # @!visibility private
+ # @return [String] Returns the output of get_revision
+ def latest_revision
+ #TODO Why is create called here anyway?
+ create if @resource.value(:force) && working_copy_exists?
+ create if !working_copy_exists?
+
+ if branch = on_branch?
+ return get_revision("#{@resource.value(:remote)}/#{branch}")
+ else
+ return get_revision
end
+ end
+
+ # Returns the current revision given if the revision is a tag or branch and
+ # matches the current sha. If the current sha does not match the sha of a tag
+ # or branch, then it will just return the sha (ie, is not in sync)
+ #
+ # @!visibility private
+ #
+ # @param [String] rev The revision of which to check if it is current
+ # @return [String] Returns the tag/branch of the current repo if it's up to
+ # date; otherwise returns the sha of the requested revision.
+ def get_revision(rev = 'HEAD')
+ update_references
current = at_path { git_with_identity('rev-parse', rev).strip }
if @resource.value(:revision)
- if local_branch_revision?
+ if tag_revision?
+ # git-rev-parse will give you the hash of the tag object itself rather
+ # than the commit it points to by default. Using tag^0 will return the
+ # actual commit.
+ canonical = at_path { git_with_identity('rev-parse', "#{@resource.value(:revision)}^0").strip }
+ elsif local_branch_revision?
canonical = at_path { git_with_identity('rev-parse', @resource.value(:revision)).strip }
elsif remote_branch_revision?
- canonical = at_path { git_with_identity('rev-parse', "#{@resource.value(:remote)}/" + @resource.value(:revision)).strip }
+ canonical = at_path { git_with_identity('rev-parse', "#{@resource.value(:remote)}/#{@resource.value(:revision)}").strip }
+ else
+ #look for a sha (could match invalid shas)
+ canonical = at_path { git_with_identity('rev-parse', '--revs-only', @resource.value(:revision)).strip }
end
+ fail("#{@resource.value(:revision)} is not a local or remote ref") if canonical.nil? or canonical.empty?
current = @resource.value(:revision) if current == canonical
end
- update_owner_and_excludes
return current
end
+ # @!visibility private
def update_owner_and_excludes
if @resource.value(:owner) or @resource.value(:group)
set_ownership
end
end
+ # @!visibility private
def git_with_identity(*args)
if @resource.value(:identity)
Tempfile.open('git-helper') do |f|
f.puts '#!/bin/sh'
- f.puts "exec ssh -oStrictHostKeyChecking=no -oPasswordAuthentication=no -oKbdInteractiveAuthentication=no -oChallengeResponseAuthentication=no -i #{@resource.value(:identity)} $*"
+ f.puts "exec ssh -oStrictHostKeyChecking=no -oPasswordAuthentication=no -oKbdInteractiveAuthentication=no -oChallengeResponseAuthentication=no -oConnectTimeout=120 -i #{@resource.value(:identity)} $*"
f.close
FileUtils.chmod(0755, f.path)
return ret
end
- elsif @resource.value(:user)
- su(@resource.value(:user), '-c', "git #{args.join(' ')}" )
+ elsif @resource.value(:user) and @resource.value(:user) != Facter['id'].value
+ Puppet::Util::Execution.execute("git #{args.join(' ')}", :uid => @resource.value(:user), :failonfail => true)
else
git(*args)
end