{
if (!FileExists("/usr/bin/ionice"))
return false;
- pid_t Process = ExecFork();
+ pid_t Process = ExecFork();
if (Process == 0)
{
char buf[32];
return ExecWait(Process, "ionice");
}
+// dpkgChrootDirectory - chrooting for dpkg if needed /*{{{*/
+static void dpkgChrootDirectory()
+{
+ std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory");
+ if (chrootDir == "/")
+ return;
+ std::cerr << "Chrooting into " << chrootDir << std::endl;
+ if (chroot(chrootDir.c_str()) != 0)
+ _exit(100);
+}
+ /*}}}*/
+
// DPkgPM::pkgDPkgPM - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* */
SetCloseExec(STDIN_FILENO,false);
SetCloseExec(STDERR_FILENO,false);
- if (_config->FindDir("DPkg::Chroot-Directory","/") != "/")
- {
- std::cerr << "Chrooting into "
- << _config->FindDir("DPkg::Chroot-Directory")
- << std::endl;
- if (chroot(_config->FindDir("DPkg::Chroot-Directory","/").c_str()) != 0)
- _exit(100);
- }
-
+ dpkgChrootDirectory();
const char *Args[4];
Args[0] = "/bin/sh";
Args[1] = "-c";
*/
bool pkgDPkgPM::Go(int OutStatusFd)
{
+ // Generate the base argument list for dpkg
+ std::vector<const char *> Args;
+ unsigned long StartSize = 0;
+ string const Tmp = _config->Find("Dir::Bin::dpkg","dpkg");
+ Args.push_back(Tmp.c_str());
+ StartSize += Tmp.length();
+
+ // Stick in any custom dpkg options
+ Configuration::Item const *Opts = _config->Tree("DPkg::Options");
+ if (Opts != 0)
+ {
+ Opts = Opts->Child;
+ for (; Opts != 0; Opts = Opts->Next)
+ {
+ if (Opts->Value.empty() == true)
+ continue;
+ Args.push_back(Opts->Value.c_str());
+ StartSize += Opts->Value.length();
+ }
+ }
+
+ size_t const BaseArgs = Args.size();
+ // we need to detect if we can qualify packages with the architecture or not
+ Args.push_back("--assert-multi-arch");
+ Args.push_back(NULL);
+
+ pid_t dpkgAssertMultiArch = ExecFork();
+ if (dpkgAssertMultiArch == 0)
+ {
+ dpkgChrootDirectory();
+ // redirect everything to the ultimate sink as we only need the exit-status
+ int const nullfd = open("/dev/null", O_RDONLY);
+ dup2(nullfd, STDIN_FILENO);
+ dup2(nullfd, STDOUT_FILENO);
+ dup2(nullfd, STDERR_FILENO);
+ execv(Args[0], (char**) &Args[0]);
+ _error->WarningE("dpkgGo", "Can't detect if dpkg supports multi-arch!");
+ _exit(2);
+ }
+
fd_set rfds;
struct timespec tv;
sigset_t sigmask;
// create log
OpenLog();
- // Generate the base argument list for dpkg
- std::vector<const char *> Args;
- unsigned long StartSize = 0;
- string const Tmp = _config->Find("Dir::Bin::dpkg","dpkg");
- Args.push_back(Tmp.c_str());
- StartSize += Tmp.length();
-
- // Stick in any custom dpkg options
- Configuration::Item const *Opts = _config->Tree("DPkg::Options");
- if (Opts != 0)
+ bool dpkgMultiArch = false;
+ if (dpkgAssertMultiArch > 0)
{
- Opts = Opts->Child;
- for (; Opts != 0; Opts = Opts->Next)
+ int Status = 0;
+ while (waitpid(dpkgAssertMultiArch, &Status, 0) != dpkgAssertMultiArch)
{
- if (Opts->Value.empty() == true)
+ if (errno == EINTR)
continue;
- Args.push_back(Opts->Value.c_str());
- StartSize += Opts->Value.length();
+ _error->WarningE("dpkgGo", _("Waited for %s but it wasn't there"), "dpkg --assert-multi-arch");
+ break;
}
+ if (WIFEXITED(Status) == true && WEXITSTATUS(Status) == 0)
+ dpkgMultiArch = true;
}
- size_t const BaseArgs = Args.size();
// this loop is runs once per operation
for (vector<Item>::const_iterator I = List.begin(); I != List.end();)
if (J - I > (signed)MaxArgs)
{
J = I + MaxArgs;
- Args.reserve(MaxArgs + 10);
+ unsigned long const size = MaxArgs + 10;
+ Args.reserve(size);
+ Packages.reserve(size);
}
else
{
- Args.reserve((J - I) + 10);
+ unsigned long const size = (J - I) + 10;
+ Args.reserve(size);
+ Packages.reserve(size);
}
-
int fd[2];
pipe(fd);
char status_fd_buf[20];
snprintf(status_fd_buf,sizeof(status_fd_buf),"%i", fd[1]);
ADDARG(status_fd_buf);
-
unsigned long const Op = I->Op;
switch (I->Op)
continue;
if (I->Op == Item::Configure && disappearedPkgs.find(I->Pkg.Name()) != disappearedPkgs.end())
continue;
- if (I->Pkg.Arch() == nativeArch || !strcmp(I->Pkg.Arch(), "all"))
+ // We keep this here to allow "smooth" transitions from e.g. multiarch dpkg/ubuntu to dpkg/debian
+ if (dpkgMultiArch == false && (I->Pkg.Arch() == nativeArch || !strcmp(I->Pkg.Arch(), "all")))
{
char const * const name = I->Pkg.Name();
ADDARG(name);
}
else
{
- char * const fullname = strdup(I->Pkg.FullName(false).c_str());
+ pkgCache::VerIterator PkgVer;
+ std::string name = I->Pkg.Name();
+ if (Op == Item::Remove || Op == Item::Purge)
+ PkgVer = I->Pkg.CurrentVer();
+ else
+ PkgVer = Cache[I->Pkg].InstVerIter(Cache);
+ name.append(":").append(PkgVer.Arch());
+ char * const fullname = strdup(name.c_str());
Packages.push_back(fullname);
ADDARG(fullname);
}
}
close(fd[0]); // close the read end of the pipe
- if (_config->FindDir("DPkg::Chroot-Directory","/") != "/")
- {
- std::cerr << "Chrooting into "
- << _config->FindDir("DPkg::Chroot-Directory")
- << std::endl;
- if (chroot(_config->FindDir("DPkg::Chroot-Directory","/").c_str()) != 0)
- _exit(100);
- }
+ dpkgChrootDirectory();
if (chdir(_config->FindDir("DPkg::Run-Directory","/").c_str()) != 0)
_exit(100);
projects / apt.git / blobdiff