diff options
Diffstat (limited to 'paludis/repositories/e/ebuild_id.cc')
| -rw-r--r-- | paludis/repositories/e/ebuild_id.cc | 77 |
1 files changed, 74 insertions, 3 deletions
diff --git a/paludis/repositories/e/ebuild_id.cc b/paludis/repositories/e/ebuild_id.cc index ae6ae9773..f2dc1ad92 100644 --- a/paludis/repositories/e/ebuild_id.cc +++ b/paludis/repositories/e/ebuild_id.cc @@ -69,6 +69,7 @@ #include <paludis/util/fs_stat.hh> #include <paludis/util/join.hh> #include <paludis/util/upper_lower.hh> +#include <paludis/util/safe_ifstream.hh> #include <set> #include <iterator> @@ -140,6 +141,7 @@ namespace paludis const RepositoryName repository_name; mutable std::shared_ptr<const EAPI> eapi; const std::string guessed_eapi; + const bool eapi_from_suffix; const time_t master_mtime; const std::shared_ptr<const EclassMtimes> eclass_mtimes; mutable bool has_non_xml_keys; @@ -187,12 +189,13 @@ namespace paludis Imp(const QualifiedPackageName & q, const VersionSpec & v, const Environment * const e, const RepositoryName & r, const FSPath & f, const std::string & g, - const time_t t, const std::shared_ptr<const EclassMtimes> & m) : + const bool es, const time_t t, const std::shared_ptr<const EclassMtimes> & m) : name(q), version(v), environment(e), repository_name(r), guessed_eapi(g), + eapi_from_suffix(es), master_mtime(t), eclass_mtimes(m), has_non_xml_keys(false), @@ -209,9 +212,10 @@ EbuildID::EbuildID(const QualifiedPackageName & q, const VersionSpec & v, const RepositoryName & r, const FSPath & f, const std::string & g, + const bool es, const time_t t, const std::shared_ptr<const EclassMtimes> & m) : - _imp(q, v, e, r, f, g, t, m) + _imp(q, v, e, r, f, g, es, t, m) { } @@ -281,7 +285,7 @@ EbuildID::need_non_xml_keys_added() const _imp->environment->trigger_notifier_callback(NotifierCallbackGeneratingMetadataEvent(repository_name())); - _imp->eapi = EAPIData::get_instance()->eapi_from_string(_imp->guessed_eapi); + _imp->eapi = presource_eapi(); if (_imp->eapi->supported()) { @@ -420,6 +424,73 @@ EbuildID::need_non_xml_keys_added() const add_metadata_key(_imp->choices); } +const std::shared_ptr<const EAPI> +EbuildID::presource_eapi() const +{ + auto guessed(EAPIData::get_instance()->eapi_from_string(_imp->guessed_eapi)); + if (_imp->eapi_from_suffix || ! guessed->supported()) + return guessed; + + Context ctx("When parsing EAPI from '" + stringify(_imp->fs_location->parse_value()) + "':"); + + std::string eapi_assign(guessed->supported()->ebuild_metadata_variables()->eapi()->name()); + eapi_assign += '='; + + try + { + SafeIFStream eb(_imp->fs_location->parse_value()); + std::string line; + + while (std::getline(eb, line)) + { + std::string::size_type past_indent(line.find_first_not_of(" \t")); + if (std::string::npos == past_indent || line.at(past_indent) == '#') + continue; + + if (line.compare(past_indent, eapi_assign.length(), eapi_assign) != 0) + break; + std::string::size_type value_start(past_indent + eapi_assign.length()); + + char quote('\0'); + if (line.length() > value_start && (line.at(value_start) == '"' || line.at(value_start) == '\'')) + { + quote = line.at(value_start++); + if (line.length() < value_start) + break; + } + + std::string::size_type value_end(line.find_first_not_of("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+_.-", value_start)); + std::string value(line, value_start, std::string::npos == value_end + ? std::string::npos : value_end - value_start); + + if ('\0' != quote && (std::string::npos == value_end || line.at(value_end++) != quote)) + break; + + if (std::string::npos != value_end) + { + std::string::size_type trailing(line.find_first_not_of(" \t", value_end)); + if (std::string::npos != trailing && (trailing == value_end || '#' != line.at(trailing))) + break; + } + + if (value.empty()) + { + auto repo(_imp->environment->fetch_repository(repository_name())); + auto e_repo(std::static_pointer_cast<const ERepository>(repo)); + return EAPIData::get_instance()->eapi_from_string(e_repo->params().eapi_when_unspecified()); + } + return EAPIData::get_instance()->eapi_from_string(value); + } + } + catch (const SafeIFStreamError & e) + { + Log::get_instance()->message("e.ebuild.metadata.eapi_unparsable", ll_warning, lc_context) << e.message(); + return EAPIData::get_instance()->unknown_eapi(); + } + + return guessed; +} + void EbuildID::need_xml_keys_added() const { |