diff options
Diffstat (limited to 'build2/version/rule.cxx')
| -rw-r--r-- | build2/version/rule.cxx | 127 |
1 files changed, 1 insertions, 126 deletions
diff --git a/build2/version/rule.cxx b/build2/version/rule.cxx index 7fc8a2e..2b1d366 100644 --- a/build2/version/rule.cxx +++ b/build2/version/rule.cxx @@ -30,9 +30,7 @@ namespace build2 static inline bool manifest_prerequisite (const scope& rs, const prerequisite_member& p) { - //@@ TODO: tighted to <manifest>. - - if (!p.is_a<file> () || p.name () != "manifest") + if (!p.is_a<manifest> () || p.name () != "manifest") return false; const scope& s (p.scope ()); @@ -48,129 +46,6 @@ namespace build2 return d == rs.src_path (); } - // doc_rule - // - bool doc_rule:: - match (action a, target& xt, const string&) const - { - tracer trace ("version::doc_rule::match"); - - doc& t (static_cast<doc&> (xt)); - - // We match any doc{} target that is called version (potentially with - // some extension and different case) and that has a dependency on a - // file called manifest from the same project's src_root. - // - if (casecmp (t.name, "version") != 0) - { - l4 ([&]{trace << "name mismatch for target " << t;}); - return false; - } - - const scope& rs (t.root_scope ()); - - for (prerequisite_member p: group_prerequisite_members (a, t)) - { - if (manifest_prerequisite (rs, p)) - return true; - } - - l4 ([&]{trace << "no manifest prerequisite for target " << t;}); - return false; - } - - recipe doc_rule:: - apply (action a, target& xt) const - { - doc& t (static_cast<doc&> (xt)); - - // Derive the file name. - // - t.derive_path (); - - // Inject dependency on the output directory. - // - inject_fsdir (a, t); - - // Match prerequisite members. - // - match_prerequisite_members (a, t); - - switch (a) - { - case perform_update_id: return &perform_update; - case perform_clean_id: return &perform_clean; // Standard clean. - default: return noop_recipe; // Configure update. - } - } - - target_state doc_rule:: - perform_update (action a, const target& xt) - { - const doc& t (xt.as<const doc&> ()); - const path& tp (t.path ()); - - const scope& rs (t.root_scope ()); - const module& m (*rs.modules.lookup<module> (module::name)); - - // Determine if anything needs to be updated. - // - // While we use the manifest file to decide whether we need to - // regenerate the version file, the version itself we get from the - // module (we checked above that manifest and version files are in the - // same project). - // - // We also have to compare the contents (essentially using the file as - // its own depdb) in case of a snapshot since we can go back and forth - // between committed and uncommitted state that doesn't depend on any of - // our prerequisites. - // - { - optional<target_state> ts ( - execute_prerequisites (a, t, t.load_mtime ())); - - if (ts) - { - if (!m.version.snapshot ()) // Everything came from the manifest. - return *ts; - - try - { - ifdstream ifs (tp, fdopen_mode::in, ifdstream::badbit); - - string s; - getline (ifs, s); - - if (s == m.version.string_project ()) - return *ts; - } - catch (const io_error& e) - { - fail << "unable to read " << tp << ": " << e; - } - } - } - - if (verb >= 2) - text << "cat >" << tp; - - try - { - ofdstream ofs (tp); - auto_rmfile arm (tp); - ofs << m.version.string_project () << endl; - ofs.close (); - arm.cancel (); - } - catch (const io_error& e) - { - fail << "unable to write " << tp << ": " << e; - } - - t.mtime (system_clock::now ()); - return target_state::changed; - } - // in_rule // bool in_rule:: |