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|
# frozen_string_literal: true
module LicenseFinder
class Cargo < PackageManager
SENTINEL = ' -|- '
def installed?(*)
true
end
def prepare
create_vendor_path
within_project_path do
tool_box.install(tool: :rust)
shell.execute([:cargo, :fetch, '-vv'], env: default_env)
end
end
def current_packages
within_project_path do
stdout, _stderr, status = shell.execute(scan_command)
status.success? ? parse(stdout) : []
end
end
def possible_package_paths
[
project_path.join('Cargo.lock'),
project_path.join('Cargo.toml')
]
end
private
def parse(stdout)
stdout.each_line.map do |line|
next if line.include?(project_path.to_s)
map_from(line.chomp)
end.compact
end
def scan_command
[
:cargo, :tree, '--edges=no-dev',
"--color=never",
"--offline",
"--prefix=none",
"-f='{p}#{SENTINEL}{l}'"
]
end
def default_env
@default_env ||= {
'CARGO_HOME' => vendor_path.to_s,
'CARGO_TARGET_DIR' => vendor_path.to_s,
'HTTP_TIMEOUT' => '10',
'HTTP_CAINFO' => shell.default_certificate_path.to_s,
'TERM' => 'dumb'
}
end
def map_from(line)
name_version, license = line.split(SENTINEL, 2)
name, version = name_version.split(' ', 2)
Dependency.new(
'Cargo',
name,
version,
detection_path: detected_package_path,
install_path: path_to(name, version),
spec_licenses: license ? license.split('/') : []
)
end
def path_to(name, version)
Dir.glob("/opt/asdf/installs/rust/**/registry/src/**/#{name}-#{version}")[0]
end
end
end
|
