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/
project.rb
818 lines (620 loc) · 23 KB
/
project.rb
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require 'json'
require 'bpm/version'
module BPM
class Project < Package
DEFAULT_CONFIG_PATH = File.expand_path('../default.json', __FILE__)
DEFAULT_CONFIG = JSON.load File.read(DEFAULT_CONFIG_PATH)
BPM_DIR = '.bpm'
def self.project_file_path(path)
Dir[File.join(path, '*.json')].find{|p| is_project_json?(p) }
end
def self.is_project_json?(path)
json = JSON.load(File.read(path)) rescue nil
return !!(json && json["bpm"])
end
def self.is_project_root?(path)
!!project_file_path(path) ||
File.exists?(File.join(path, 'assets', 'bpm_libs.js'))
end
def self.nearest_project(path)
path = File.expand_path path
last = nil
while path != last
return new(path) if is_project_root?(path)
last = path
path = File.dirname path
end
nil
end
attr_reader :name
def initialize(root_path, name=nil)
super root_path
if !name
# If no name, try to find project json and get name from it
project_file = self.class.project_file_path(root_path)
name = File.basename(project_file, '.json') if project_file
else
project_file = File.join root_path, "#{name}.json"
end
@name = name || File.basename(root_path)
@json_path = project_file
load_json && validate
end
def bpm
@bpm || BPM::COMPAT_VERSION
end
def validate_name_and_path
# do nothing. never an error
end
# Returns a fully normalized hash of build settings
def build_settings(mode=:debug)
ret = {}
deps = mode == :debug ? sorted_deps : sorted_runtime_deps
deps.each { |dep| merge_build_settings(ret, dep, mode) }
merge_build_settings ret, self, mode, false
ret
end
def all_dependencies
deps = dependencies.merge(dependencies_development || {})
deps.merge(dependencies_build)
end
def local_package_root(package_name=nil)
File.join([@root_path, 'packages', package_name].compact)
end
def vendor_root(*paths)
File.join @root_path, 'vendor', *paths
end
def internal_package_root(package_name=nil)
File.join([@root_path, BPM_DIR, 'packages', package_name].compact)
end
def assets_root(*paths)
File.join @root_path, 'assets', *paths
end
def preview_root(*paths)
File.join @root_path, '.bpm', 'preview', *paths
end
def build_app?
!!(bpm_build && bpm_build["bpm_libs.js"] &&
bpm_build["bpm_libs.js"]["directories"] &&
bpm_build["bpm_libs.js"]["directories"].size>0)
end
def build_app=(value)
bpm_libs = "bpm_libs.js"
bpm_styles = "bpm_styles.css"
if value
bpm_build[bpm_libs] ||= {}
hash = bpm_build[bpm_libs]
hash['directories'] ||= []
hash['directories'] << 'lib' if hash['directories'].size==0
hash['minifier'] ||= 'uglify-js'
bpm_build[bpm_styles] ||= {}
hash = bpm_build[bpm_styles]
hash['directories'] ||= []
hash['directories'] << 'css' if hash['directories'].size==0
directories ||= {}
directories['lib'] ||= ['app']
else
bpm_build[bpm_libs]['directories'] = []
bpm_build[bpm_styles]['directories'] = []
end
value
end
# returns array of all assets that should be generated for this project
def buildable_asset_filenames(mode)
build_settings(mode).keys.reject { |x| !(x =~ /\..+$/) }
end
# Validates that all required files are present in the project needed
# for compile to run. This will not fetch new dependencies from remote.
def verify_and_repair(mode=:debug, verbose=false)
valid_deps = find_dependencies rescue nil
fetch_dependencies(verbose) if valid_deps.nil?
rebuild_dependency_list nil, verbose
rebuild_preview verbose
end
def rebuild_preview(verbose=false)
needs_rebuild = true
if File.directory?(preview_root)
cur_previews = Dir[preview_root('**', '*')].sort.reject { |x| File.directory?(x) }
exp_filenames = buildable_asset_filenames(:debug)
exp_previews = exp_filenames.map { |x| preview_root(x) }.sort
needs_rebuild = cur_previews != exp_previews
end
if needs_rebuild
FileUtils.rm_r preview_root if File.exists? preview_root
buildable_asset_filenames(:debug).each do |filename|
next if File.exists? preview_root(filename)
FileUtils.mkdir_p File.dirname(preview_root(filename))
FileUtils.touch preview_root(filename)
end
end
end
# Add a new dependency
#
# Adds to the project json and installs dependency
def add_dependencies(new_deps, development=false, verbose=false)
old_deps = build_local_dependency_list(false) || []
hard_deps = (development ? dependencies_development : dependencies).merge(new_deps)
all_hard_deps = all_dependencies.merge(new_deps)
exp_deps = find_non_local_dependencies(all_hard_deps, true)
puts "Fetching packages from remote..." if verbose
core_fetch_dependencies(exp_deps, verbose)
if development
self.dependencies_development = hard_deps
else
self.dependencies = hard_deps
end
rebuild_dependency_list(all_hard_deps, verbose)
local_deps.each do |dep|
next if old_deps.find { |pkg| (pkg.name == dep.name) && (pkg.version == dep.version) }
puts "Added #{development ? "development " : ""}package '#{dep.name}' (#{dep.version})"
end
save!
end
# Remove a dependency
#
# Remove dependency from json. Does not remove from system.
def remove_dependencies(package_names, verbose=false)
hard_deps = dependencies.dup
old_deps = build_local_dependency_list(false)
package_names.each do |pkg_name|
raise "'#{pkg_name}' is not a dependency" if hard_deps[pkg_name].nil?
hard_deps.delete pkg_name
end
@dependencies = hard_deps
rebuild_dependency_list hard_deps, verbose
old_deps.each do |dep|
next if local_deps.find { |pkg| (pkg.name == dep.name) && (pkg.version == dep.version) }
puts "Removed package '#{dep.name}' (#{dep.version})"
end
save!
end
# Save to json
def save!
@had_changes = false
File.open @json_path, 'w+' do |fd|
fd.write JSON.pretty_generate as_json
end
end
# Get dependencies from server if not installed
def fetch_dependencies(verbose=false)
puts "Fetching packages from remote..." if verbose
exp_deps = find_non_local_dependencies(all_dependencies, true)
core_fetch_dependencies(exp_deps, verbose)
end
# Builds assets directory for dependent packages
def build(mode=:debug, verbose=false)
verify_and_repair mode, verbose
puts "Building static assets..." if verbose
report_package_locations if verbose
# Seed the project with any required files to ensure they are built
buildable_asset_filenames(mode).each do |filename|
dst_path = assets_root filename
next if File.exists? dst_path
FileUtils.mkdir_p File.dirname(dst_path)
FileUtils.touch dst_path
end
pipeline = BPM::Pipeline.new self, mode
pipeline.buildable_assets.each do |asset|
dst_path = assets_root asset.logical_path
FileUtils.mkdir_p File.dirname(dst_path)
if asset.kind_of? Sprockets::StaticAsset
puts "~ Copying #{asset.logical_path}" if verbose
FileUtils.rm dst_path if File.exists? dst_path
FileUtils.cp asset.pathname, dst_path
else
$stdout << "~ Building #{asset.logical_path}..." if verbose
File.open(dst_path, 'w+') { |fd| fd << asset.to_s }
if verbose
gzip_size = `gzip -c #{dst_path}`.bytesize
gzip_size = gzip_size < 1024 ? "#{gzip_size} bytes" : "#{gzip_size / 1024} Kb"
$stdout << " (gzipped size: #{gzip_size})\n"
end
end
end
puts "\n" if verbose
end
# Removes any built assets from the project. Usually called before a
# package is removed from the project to cleanup any assets
def unbuild(verbose=false)
puts "Removing stale assets..." if verbose
pipeline = BPM::Pipeline.new self
asset_root = File.join root_path, 'assets'
pipeline.buildable_assets.each do |asset|
next if asset.logical_path =~ /^bpm_/
asset_path = File.join asset_root, asset.logical_path
next unless File.exists? asset_path
puts "~ Removing #{asset.logical_path}" if verbose
FileUtils.rm asset_path
# cleanup empty directories
while !File.exists?(asset_path)
asset_path = File.dirname asset_path
FileUtils.rmdir(asset_path) if File.directory?(asset_path)
if verbose && !File.exists?(asset_path)
puts "~ Removed empty directory #{File.basename asset_path}"
end
end
end
puts "\n" if verbose
end
# Find package with name
def package_from_name(package_name)
return self if package_name == self.name
local_deps.find { |pkg| pkg.name == package_name }
end
# Returns the path on disk to reach a given package name
def path_from_package(package_name)
ret = package_from_name package_name
ret && ret.root_path
end
# Returns the path on disk for a given module id (relative to the project)
def path_from_module(module_path)
path_parts = module_path.to_s.split '/'
package_name = path_parts.shift
module_path = path_from_package(package_name)
if module_path
# expand package_name => package_name/main
path_parts = ['main'] if path_parts.size == 0
# expand package_name/~dirname => package_name/mapped_dirname
dirname = (path_parts.first && path_parts.first =~ /^~/) ?
path_parts.shift[1..-1] : 'lib'
pkg = BPM::Package.new(module_path)
pkg.load_json
dirname = (pkg && pkg.directories[dirname]) || dirname
# join the rest of the path
module_path = [package_name, dirname, *path_parts] * '/'
end
module_path
end
# Returns the package object and module id for the path. Path must match
# a package known to the project.
def package_and_module_from_path(path)
path = File.expand_path path.to_s
pkg = local_deps.find {|cur| path =~ /^#{Regexp.escape cur.root_path.to_s}\//}
pkg = self if pkg.nil? && path =~ /^#{Regexp.escape root_path.to_s}/
raise "#{path} is not within a known package" if pkg.nil?
dir_name = nil
pkg.directories.each do |dname, dpath|
dpaths = Array(dpath).map{|d| File.expand_path(d, pkg.root_path) }
dpaths.each do |d|
# Find a match and see if we can replace
if path.gsub!(/^#{Regexp.escape(d)}\//, "#{dname}/")
dir_name = dname
break
end
end
break if dir_name
end
if dir_name
parts = path.split("/")
else
parts = Pathname.new(path).relative_path_from(Pathname.new(pkg.root_path)).to_s.split("/")
dir_name = parts.first
end
if dir_name == 'lib'
parts.shift
else
parts[0] = "~#{dir_name}"
end
parts[parts.size-1] = File.basename(parts.last, '.*')
[pkg, parts.join('/')]
end
# List local dependency names, rebuilds list first time
def local_deps
@local_deps ||= build_local_dependency_list
end
# List of local dependency names in order of dependency
def sorted_deps
dep_names = (dependencies.keys + dependencies_development.keys).uniq
ret = []
dep_names.each do |dep_name|
dep = local_deps.find { |x| x.name == dep_name }
add_sorted_dep(dep, local_deps, :both, ret)
end
ret
end
def sorted_runtime_deps
dep_names = dependencies.map { |name, vers| name }
deps = local_deps.reject { |dep| !dep_names.include?(dep.name) }
deps.inject([]) do |ret, dep|
add_sorted_dep(dep, local_deps, :runtime, ret)
ret
end
end
def sorted_development_deps
dep_names = dependencies_development.map { |name, vers| name }
deps = local_deps.reject { |dep| !dep_names.include?(dep.name) }
deps = deps.inject([]) do |ret, dep|
add_sorted_dep(dep, local_deps, :both, ret)
ret
end
# development deps should include all dependencies of dev deps excluding
# those that are bonafide runtime deps
runtime_deps = sorted_runtime_deps
deps.reject! { |pkg| runtime_deps.include?(pkg) }
deps
end
# Verifies that packages are available to meet all the dependencies
def rebuild_dependency_list(deps=nil, verbose=false)
found = find_dependencies(deps, verbose)
install_root = self.internal_package_root
FileUtils.rm_r install_root if File.exists? install_root
FileUtils.mkdir_p install_root
found.each do |pkg|
dst_path = File.join(install_root, pkg.name)
FileUtils.ln_s pkg.root_path, dst_path
end
@local_deps = nil
end
# Hash for conversion to json
def as_json
json = super
json["bpm"] = self.bpm
json
end
# Name of minifier
def minifier_name(asset_name)
build_settings[asset_name] && build_settings[asset_name]['bpm:minifier']
end
def load_json
return super if has_json?
FIELDS.keys.each{|f| send("#{c2u(f)}=", DEFAULT_CONFIG[f]) }
self.name = File.basename(@json_path, '.json')
self.version = "0.0.1"
true
end
private
# Make sure fields are set up properly
def validate_fields
# TODO: Define other fields that are required for projects
%w[name].all? do |field|
value = send(field)
if value.nil? || value.size.zero?
add_error "Projects requires a '#{field}' field"
else
true
end
end
end
# builds a set of dependencies that excludes locally installed packages
# and includes their dependencies instead.
def find_non_local_dependencies(deps, verbose)
search_list = Array(deps)
seen = []
ret = {}
until search_list.empty?
name, version = search_list.shift
next if seen.include?(name)
seen << name
package_root = locate_local_package(name)
if package_root
pkg = BPM::Package.new(package_root)
pkg.load_json
unless satisfied_by?(version, pkg.version)
raise LocalPackageConflictError.new(pkg.name, version, pkg.version)
end
search_list += Array(pkg.dependencies)
search_list += Array(pkg.dependencies_development)
search_list += Array(pkg.dependencies_build)
else
ret[name] = version
end
end
ret
end
# Fetch any dependencies into local cache for the passed set of deps
def core_fetch_dependencies(deps, verbose)
deps.each do |pkg_name, pkg_version|
core_fetch_dependency pkg_name, pkg_version, :runtime, verbose
end
end
# Fetch a single dependency into local cache
def core_fetch_dependency(package_name, vers, type, verbose)
prerelease = false
if vers == '>= 0-pre'
prerelease = true
vers = '>= 0'
else
prerelease = vers =~ /[a-zA-Z]/
end
dep = LibGems::Dependency.new(package_name, vers, type)
cur_installed = LibGems.source_index.search(dep)
begin
installed = BPM::Remote.new.install(package_name, vers, prerelease)
rescue LibGems::GemNotFoundException
# If we have it locally but not remote, that's ok
installed = []
end
cur_installed.each do |ci|
installed.reject! { |i| ci.name == i.name && ci.version == i.version }
end
installed.each do |i|
puts "~ Fetched #{i.name} (#{i.version}) from remote" if verbose
end
end
# Get list of local dep names from the .bpm directory
#
# Pass +false+ to prevent the list from being rebuilt
def build_local_dependency_list(force=true)
install_root = self.internal_package_root
unless File.exists?(install_root)
return nil unless force
rebuild_dependency_list
end
Dir[File.join(install_root, '*')].map do |package_name|
pkg = BPM::Package.new package_name
pkg.load_json
pkg
end
end
# Tell if package is vendored
def has_local_package?(package_name)
!!locate_local_package(package_name)
end
# Tell if given version is satisfied by the passed version
def satisfied_by?(req_vers, new_vers)
req = LibGems::Requirement.new(req_vers)
req_vers.sub(/^= /,'') == new_vers.sub(/^= /,'') ||
req.satisfied_by?(LibGems::Version.new(new_vers))
end
# Get list of dependencies, searching only the project and fetched
# packages. Does not query remote server. Raises if not found or
# conflicting.
def find_dependencies(deps=nil, verbose=false)
deps ||= all_dependencies
search_list = Array(deps)
found = []
ret = []
until search_list.empty?
name, version = search_list.shift
if dup = found.find{|p| p.name == name}
# already found, check for conflicts
next if satisfied_by?(version, dup.version)
raise PackageConflictError.new(name, dup.version, version)
end
pkg = locate_package(name, version, verbose)
raise PackageNotFoundError.new(name, version) unless pkg
found << pkg
# Look up dependencies of dependencies
search_list += Array(pkg.dependencies)
search_list += Array(pkg.dependencies_development)
search_list += Array(pkg.dependencies_build)
ret << pkg
end
ret
end
def locate_local_package(package_name)
src_path = local_package_root package_name
unless File.directory?(src_path)
src_path = Dir[vendor_root('*','packages','*')].find do |path|
File.basename(path)==package_name && File.directory?(path)
end
end
src_path
end
# Find package locally or in global cache
def locate_package(package_name, vers, verbose)
local = has_local_package?(package_name)
# It's true that we don't have a prerelase check here, but the
# previous one we had didn't do anything, so it's better to have
# none than one that doesn't work
vers = ">= 0" if vers == ">= 0-pre"
src_path = local ? locate_local_package(package_name) :
BPM::Local.new.source_root(package_name, vers)
return nil unless src_path
pkg = BPM::Package.new(src_path)
pkg.load_json # throws exception if json invalid
pkg
end
# pass in a hash of dependencies and versions
def report_package_locations(deps=nil)
deps ||= local_deps
deps.each do |dep|
is_local = has_local_package?(dep.name) ? 'local' : 'fetched'
puts "~ Using #{is_local} package '#{dep.name}' (#{dep.version})"
end
end
# Method for help in sorting dependencies
def add_sorted_dep(dep, deps, type, sorted, seen=[])
return if seen.include? dep
seen << dep # we want to do this first to avoid cylical refs
list = {}
list.merge!(dep.dependencies) if [:both, :runtime].include?(type)
list.merge!(dep.dependencies_development) if [:both, :development].include?(type)
list.each do |dep_name, dep_vers|
found_dep = deps.find { |cur| cur.name == dep_name }
add_sorted_dep(found_dep, deps, type, sorted, seen) if found_dep
end
sorted << dep unless sorted.include? dep
end
def has_mode(opts, mode)
return false if opts.nil?
modes = Array(opts['modes'])
modes.size==0 || modes.include?('*') || modes.include?(mode.to_s)
end
## BUILD OPTIONS
def merge_build_opts(ret, dep_name, target_name, opts, mode)
ret[target_name] ||= {}
if opts['assets']
ret[target_name] = opts['assets']
return
end
if opts['directories'] && opts['directories'].size>0
ret[target_name][dep_name] = opts['directories']
end
if opts['minifier']
if opts['minifier'].is_a? String
ret[target_name]['bpm:minifier'] = {}
ret[target_name]['bpm:minifier'][opts['minifier']] = '>= 0'
else
ret[target_name]['bpm:minifier'] = opts['minifier']
end
end
Array(opts['include']).each do |package_name|
dep = local_deps.find { |cur_dep| cur_dep.name == package_name }
raise PackageNotFoundError.new(package_name, '>= 0') if dep.nil?
tmp_settings = {}
merge_build_settings(tmp_settings, dep, mode, true, true)
if target_name =~ /\.css$/ && tmp_settings['bpm_styles.css']
ret[target_name].merge! tmp_settings['bpm_styles.css']
elsif target_name =~ /\.js$/ && tmp_settings['bpm_libs.js']
ret[target_name].merge! tmp_settings['bpm_libs.js']
end
end
bpm_settings = ret[target_name]['bpm:settings'] ||= {}
ret[target_name]['bpm:settings'] = soft_merge(bpm_settings, opts)
end
def project_settings_excludes(dep_name, target_name)
exclusions = bpm_build[target_name] && bpm_build[target_name]['exclude']
exclusions && exclusions.include?(dep_name)
end
DEFAULT_BUILD_OPTS = {
'bpm_libs.js' => {
'directories' => ['lib'],
'modes' => ['*']
},
'bpm_styles.css' => {
'directories' => ['css'],
'modes' => ['*']
}
}
def soft_merge(base, ext)
ret = base.dup
ext.each do |key, value|
if ret[key].is_a?(Hash) && value.is_a?(Hash)
ret[key] = soft_merge(ret[key], value)
else
ret[key] = value
end
end
ret
end
def default_build_opts(dep_name)
@default_build_opts ||= {}
ret = @default_build_opts[dep_name]
if ret.nil?
ret = DEFAULT_BUILD_OPTS.dup
ret[dep_name] = {
"assets" => %w(resources assets),
"modes" => ["*"]
}
ret["#{dep_name}/bpm_tests.js"] = {
'directories' => ['tests'],
'modes' => ['debug']
}
@default_build_opts[dep_name] = ret
end
ret
end
def merge_build_settings(ret, dep, mode, include_defaults=true, ignore_excludes=false)
bpm_opts = dep.bpm_build
if include_defaults
bpm_opts = soft_merge default_build_opts(dep.name), bpm_opts
end
bpm_opts.each do |target_name, opts|
next if !has_mode(opts, mode)
next if !ignore_excludes && project_settings_excludes(dep.name, target_name)
merge_build_opts ret, dep.name, target_name, opts, mode
end
end
end
end