void repository::extractor::extract_build(
const entry &package, const boost::filesystem::path &destination) {
try {
const tempfile tmp = local_system_().tempdir_for_build();
cache_().unpack_build(package, tmp.path());
merge_directories(tmp.path(), destination);
} catch (std::exception &) {
BOOST_THROW_EXCEPTION(extractor_extract_build_error()
<< extractor_extract_build_error::package(package)
<< extractor_extract_build_error::destination(
destination) << enable_nested_current());
}
}
Pathname * merge_pathnames(Pathname * pathname, Pathname * default_pathname,
Value default_version)
{
Value host;
if (pathname->host() != NIL)
host = pathname->host();
else
host = default_pathname->host();
Value device;
if (pathname->device() != NIL)
device = pathname->device();
else
device = default_pathname->device();
Value directory =
merge_directories(pathname->directory(), default_pathname->directory());
Value name;
if (pathname->name() != NIL)
name = pathname->name();
else
name = default_pathname->name();
Value type;
if (pathname->type() != NIL)
type = pathname->type();
else
type = default_pathname->type();
Value version;
if (pathname->version() != NIL)
version = pathname->version();
else if (stringp(pathname->name()))
version = default_version;
else if (default_pathname->version() != NIL)
version = default_pathname->version();
else
version = default_version;
if (logical_pathname_p(pathname))
return new LogicalPathname(host, device, directory, name, type, version);
else
return new Pathname(host, device, directory, name, type, version);
}
