add support for Build-Depends/Conflicts-Arch

[apt.git] / apt-pkg / deb / debsystem.cc

diff --git a/apt-pkg/deb/debsystem.cc b/apt-pkg/deb/debsystem.cc
index fd702b3c6b340b05f1feed02abe2c3742474ae1d..899f7328ba8122fd28653b4c28f20b2371ae8d26 100644 (file)
--- a/apt-pkg/deb/debsystem.cc
+++ b/apt-pkg/deb/debsystem.cc
@@ -184,26 +184,24 @@ pkgPackageManager *debSystem::CreatePM(pkgDepCache *Cache) const
 // System::Initialize - Setup the configuration space..                        /*{{{*/
 // ---------------------------------------------------------------------
 /* These are the Debian specific configuration variables.. */
-static std::string getDpkgStatusLocation(Configuration &Cnf) {
-   auto const cnfstatedir = Cnf.Find("Dir::State", "var/lib/apt/");
+static std::string getDpkgStatusLocation(Configuration const &Cnf) {
+   Configuration PathCnf;
+   PathCnf.Set("Dir", Cnf.Find("Dir", "/"));
+   PathCnf.Set("Dir::State::status", "status");
+   auto const cnfstatedir = Cnf.Find("Dir::State", STATE_DIR + 1);
+   // if the state dir ends in apt, replace it with dpkg -
+   // for the default this gives us the same as the fallback below.
+   // This can't be a ../dpkg as that would play bad with symlinks
    std::string statedir;
    if (APT::String::Endswith(cnfstatedir, "/apt/"))
       statedir.assign(cnfstatedir, 0, cnfstatedir.length() - 5);
    else if (APT::String::Endswith(cnfstatedir, "/apt"))
       statedir.assign(cnfstatedir, 0, cnfstatedir.length() - 4);
    if (statedir.empty())
-      Cnf.Set("Dir::State", "var/lib/dpkg");
+      PathCnf.Set("Dir::State", "var/lib/dpkg");
    else
-      Cnf.Set("Dir::State", flCombine(statedir, "dpkg"));
-   auto const cnfrootdir = Cnf.Find("RootDir");
-   if (Cnf.Exists("RootDir") == true)
-      Cnf.Set("RootDir", "");
-   Cnf.Set("Dir::State::status", "status");
-   auto const statusfile = Cnf.FindFile("Dir::State::status");
-   if (cnfrootdir.empty() == false)
-      Cnf.Set("RootDir", cnfrootdir);
-   Cnf.Set("Dir::State", cnfstatedir);
-   return statusfile;
+      PathCnf.Set("Dir::State", flCombine(statedir, "dpkg"));
+   return PathCnf.FindFile("Dir::State::status");
 }
 bool debSystem::Initialize(Configuration &Cnf)
 {
@@ -213,7 +211,7 @@ bool debSystem::Initialize(Configuration &Cnf)
    Cnf.CndSet("Dir::State::extended_states", "extended_states");
    if (Cnf.Exists("Dir::State::status") == false)
       Cnf.Set("Dir::State::status", getDpkgStatusLocation(Cnf));
-   Cnf.CndSet("Dir::Bin::dpkg","/usr/bin/dpkg");
+   Cnf.CndSet("Dir::Bin::dpkg",BIN_DIR"/dpkg");
 
    if (d->StatusFile) {
      delete d->StatusFile;
@@ -241,9 +239,9 @@ APT_PURE bool debSystem::ArchiveSupported(const char *Type)
 signed debSystem::Score(Configuration const &Cnf)
 {
    signed Score = 0;
-   if (FileExists(Cnf.FindFile("Dir::State::status","/var/lib/dpkg/status")) == true)
+   if (FileExists(Cnf.FindFile("Dir::State::status",getDpkgStatusLocation(Cnf).c_str())) == true)
        Score += 10;
-   if (FileExists(Cnf.Find("Dir::Bin::dpkg","/usr/bin/dpkg")) == true)
+   if (FileExists(Cnf.Find("Dir::Bin::dpkg",BIN_DIR"/dpkg")) == true)
       Score += 10;
    if (FileExists("/etc/debian_version") == true)
       Score += 10;