1 #include <msp/core/algorithm.h>
2 #include <msp/fs/stat.h>
3 #include <msp/fs/utils.h>
4 #include <msp/strings/format.h>
5 #include <msp/strings/utils.h>
6 #include <msp/time/utils.h>
8 #include "filetarget.h"
9 #include "sourcepackage.h"
16 FileTarget::FileTarget(Builder &b, const FS::Path &a):
20 FileTarget::FileTarget(Builder &b, const SourcePackage &p, const FS::Path &a):
24 FileTarget::FileTarget(Builder &b, const SourcePackage *p, const FS::Path &a):
25 Target(b, generate_name(b, p, a)),
30 builder.get_vfs().register_path(path, this);
35 void FileTarget::stat()
37 if(FS::Stat st = FS::lstat(path))
39 mtime = st.get_modify_time();
44 string FileTarget::generate_name(Builder &builder, const SourcePackage *pkg, const FS::Path &path)
46 if(pkg && FS::descendant_depth(path, pkg->get_source_directory())>=0)
48 FS::Path relpath = FS::relative(path, pkg->get_source_directory());
49 return format("<%s>%s", pkg->get_name(), relpath.str().substr(1));
51 else if(FS::descendant_depth(path, builder.get_prefix())>=0)
53 FS::Path relpath = FS::relative(path, builder.get_prefix());
54 return "<prefix>"+relpath.str().substr(1);
60 void FileTarget::touch()
64 signal_bubble_rebuild.emit();
67 Target *FileTarget::resolve_transitive_dependency(Target &from, Target &dep) const
69 FileTarget *from_file = dynamic_cast<FileTarget *>(&from);
70 FileTarget *dep_file = dynamic_cast<FileTarget *>(&dep);
71 if(!from_file || !dep_file)
74 const SourcePackage *from_pkg = from.get_package();
75 if(dep_file->get_package()!=from_pkg || FS::descendant_depth(dep_file->get_path(), from_pkg->get_source_directory())<0)
78 /* Adjust the path of the dependency to account for the install location
79 of the dependent target. */
80 const Component *from_comp = from_file->get_real_target()->get_component();
81 const Component *dep_comp = dep_file->get_component();
82 FS::Path from_inst = from_comp->get_install_map().get_install_location(*from_file->get_real_target());
83 FS::Path dep_inst = dep_comp->get_install_map().get_install_location(*dep_file);
84 FS::Path displaced = FS::dirname(from_file->get_path())/FS::relative(dep_inst, from_inst)/FS::basename(dep_file->get_path());
85 if(Target *result = builder.get_vfs().get_target(displaced))
88 /* If the target was in an overlay directory and the displaced
89 dependency is not found, try removing the overlay from the path. */
90 string last_dir = FS::basename(FS::dirname(displaced));
91 if(any_equals(dep_comp->get_overlays(), last_dir))
93 displaced = displaced.subpath(0, displaced.size()-2)/FS::basename(dep_file->get_path());
94 return builder.get_vfs().get_target(displaced);
100 void FileTarget::check_rebuild()
102 if(!tool || needs_rebuild())
106 mark_rebuild("Does not exist");
109 for(Target *d: depends)
111 FileTarget *ft = dynamic_cast<FileTarget *>(d);
112 if(ft && ft->get_mtime()>mtime)
113 mark_rebuild(d->get_name()+" has changed");
114 else if(d->needs_rebuild())
115 mark_rebuild(d->get_name()+" needs rebuilding");
123 // Some side effects might not exist
124 auto i = find_if(side_effects, [](const Target *s){ return s->needs_rebuild(); });
125 if(i!=side_effects.end())
126 mark_rebuild((*i)->get_name()+" needs rebuilding");
127 if(primary_target && primary_target->needs_rebuild())
128 mark_rebuild(primary_target->get_name()+" needs rebuilding");
131 if(!needs_rebuild() && package)
133 if(package->get_config().get_mtime()>mtime)
134 mark_rebuild("Package options changed");
136 if(tool->get_executable())
138 string build_sig = create_build_signature();
139 if(package->get_cache().has_key(this, "build_sig"))
141 if(package->get_cache().get_value(this, "build_sig")!=build_sig)
142 mark_rebuild("Build signature changed");
148 string FileTarget::create_build_signature() const
153 const BuildInfo &binfo = (component ? component->get_build_info() : package->get_build_info());
156 if(arch_in_build_sig)
157 if(const Architecture *arch = tool->get_architecture())
158 sigs.push_back(arch->get_name());
160 sigs.push_back(tool->create_build_signature(binfo));
162 if(nested_build_sig && component)
164 vector<const Tool *> seen_tools;
165 vector<string> tool_sigs;
166 for(Target *d: depends)
167 if(const Tool *t = d->get_tool())
168 if(d->get_component()==component && !any_equals(seen_tools, t))
170 seen_tools.push_back(t);
171 tool_sigs.push_back(t->create_build_signature(binfo));
175 sigs.insert(sigs.end(), make_move_iterator(tool_sigs.begin()), make_move_iterator(tool_sigs.end()));
178 return join(sigs.begin(), sigs.end(), ";");
181 void FileTarget::build(Task &task)
183 task.add_target(*this);
184 task.set_unlink(true);
187 void FileTarget::build_finished(bool success)
194 string build_sig = create_build_signature();
195 if(!build_sig.empty())
196 package->get_cache().set_value(this, "build_sig", build_sig);
200 Target::build_finished(success);
203 void FileTarget::clean()
208 mtime = Time::TimeStamp();