enable APT in unpack/configure ordering to handle loops as well

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

diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc
index 019b72bb83e01d7af5066599cae5122518923af5..0cc21f322003d35413e7ec8fa530511a72e3133a 100644 (file)
--- a/apt-pkg/deb/dpkgpm.cc
+++ b/apt-pkg/deb/dpkgpm.cc
@@ -8,6 +8,8 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Includes                                                            /*{{{*/
+#include <config.h>
+
 #include <apt-pkg/dpkgpm.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/configuration.h>
@@ -16,6 +18,7 @@
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/cachefile.h>
+#include <apt-pkg/packagemanager.h>
 
 #include <unistd.h>
 #include <stdlib.h>
@@ -40,7 +43,6 @@
 #include <sys/ioctl.h>
 #include <pty.h>
 
-#include <config.h>
 #include <apti18n.h>
                                                                        /*}}}*/
 
@@ -229,7 +231,7 @@ bool pkgDPkgPM::SendV2Pkgs(FILE *F)
    fprintf(F,"\n");
  
    // Write out the package actions in order.
-   for (vector<Item>::iterator I = List.begin(); I != List.end(); I++)
+   for (vector<Item>::iterator I = List.begin(); I != List.end(); ++I)
    {
       if(I->Pkg.end() == true)
         continue;
@@ -351,7 +353,7 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf)
       // Feed it the filenames.
       if (Version <= 1)
       {
-        for (vector<Item>::iterator I = List.begin(); I != List.end(); I++)
+        for (vector<Item>::iterator I = List.begin(); I != List.end(); ++I)
         {
            // Only deal with packages to be installed from .deb
            if (I->Op != Item::Install)
@@ -706,7 +708,7 @@ bool pkgDPkgPM::OpenLog()
       chmod(history_name.c_str(), 0644);
       fprintf(d->history_out, "\nStart-Date: %s\n", timestr);
       string remove, purge, install, reinstall, upgrade, downgrade;
-      for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++)
+      for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
       {
         enum { CANDIDATE, CANDIDATE_AUTO, CURRENT_CANDIDATE, CURRENT } infostring;
         string *line = NULL;
@@ -884,14 +886,14 @@ bool pkgDPkgPM::Go(int OutStatusFd)
    // that will be [installed|configured|removed|purged] and add
    // them to the PackageOps map (the dpkg states it goes through)
    // and the PackageOpsTranslations (human readable strings)
-   for (vector<Item>::const_iterator I = List.begin(); I != List.end();I++)
+   for (vector<Item>::const_iterator I = List.begin(); I != List.end(); ++I)
    {
       if((*I).Pkg.end() == true)
         continue;
 
       string const name = (*I).Pkg.Name();
       PackageOpsDone[name] = 0;
-      for(int i=0; (DpkgStatesOpMap[(*I).Op][i]).state != NULL;  i++) 
+      for(int i=0; (DpkgStatesOpMap[(*I).Op][i]).state != NULL; ++i)
       {
         PackageOps[name].push_back(DpkgStatesOpMap[(*I).Op][i]);
         PackagesTotal++;
@@ -909,7 +911,7 @@ bool pkgDPkgPM::Go(int OutStatusFd)
       // Do all actions with the same Op in one run
       vector<Item>::const_iterator J = I;
       if (TriggersPending == true)
-        for (; J != List.end(); J++)
+        for (; J != List.end(); ++J)
         {
            if (J->Op == I->Op)
               continue;
@@ -921,7 +923,7 @@ bool pkgDPkgPM::Go(int OutStatusFd)
            break;
         }
       else
-        for (; J != List.end() && J->Op == I->Op; J++)
+        for (; J != List.end() && J->Op == I->Op; ++J)
            /* nothing */;
 
       // Generate the argument list
@@ -936,7 +938,7 @@ bool pkgDPkgPM::Go(int OutStatusFd)
       // the argument list is split in a way that A depends on B
       // and they are in the same "--configure A B" run
       // - with the split they may now be configured in different
-      //   runs 
+      //   runs, using Immediate-Configure-All can help prevent this.
       if (J - I > (signed)MaxArgs)
         J = I + MaxArgs;
       
@@ -969,6 +971,8 @@ bool pkgDPkgPM::Go(int OutStatusFd)
       snprintf(status_fd_buf,sizeof(status_fd_buf),"%i", fd[1]);
       Args[n++] = status_fd_buf;
       Size += strlen(Args[n-1]);
+      
+      unsigned long const Op = I->Op;
 
       switch (I->Op)
       {
@@ -1027,7 +1031,7 @@ bool pkgDPkgPM::Go(int OutStatusFd)
       // Write in the file or package names
       if (I->Op == Item::Install)
       {
-        for (;I != J && Size < MaxArgBytes; I++)
+        for (;I != J && Size < MaxArgBytes; ++I)
         {
            if (I->File[0] != '/')
               return _error->Error("Internal Error, Pathname to install is not absolute '%s'",I->File.c_str());
@@ -1039,7 +1043,7 @@ bool pkgDPkgPM::Go(int OutStatusFd)
       {
         string const nativeArch = _config->Find("APT::Architecture");
         unsigned long const oldSize = I->Op == Item::Configure ? Size : 0;
-        for (;I != J && Size < MaxArgBytes; I++)
+        for (;I != J && Size < MaxArgBytes; ++I)
         {
            if((*I).Pkg.end() == true)
               continue;
@@ -1078,8 +1082,13 @@ bool pkgDPkgPM::Go(int OutStatusFd)
         it to all processes in the group. Since dpkg ignores the signal 
         it doesn't die but we do! So we must also ignore it */
       sighandler_t old_SIGQUIT = signal(SIGQUIT,SIG_IGN);
-      sighandler_t old_SIGINT = signal(SIGINT,SIG_IGN);
-
+      sighandler_t old_SIGINT = signal(SIGINT,SigINT);
+      
+      // Check here for any SIGINT
+      if (pkgPackageManager::SigINTStop && (Op == Item::Remove || Op == Item::Purge || Op == Item::Install)) 
+         break;
+      
+      
       // ignore SIGHUP as well (debian #463030)
       sighandler_t old_SIGHUP = signal(SIGHUP,SIG_IGN);
 
@@ -1117,7 +1126,6 @@ bool pkgDPkgPM::Go(int OutStatusFd)
            sigprocmask(SIG_SETMASK, &original_sigmask, 0);
         }
       }
-
        // Fork dpkg
       pid_t Child;
       _config->Set("APT::Keep-Fds::",fd[1]);
@@ -1223,6 +1231,7 @@ bool pkgDPkgPM::Go(int OutStatusFd)
            // Restore sig int/quit
            signal(SIGQUIT,old_SIGQUIT);
            signal(SIGINT,old_SIGINT);
+
            signal(SIGHUP,old_SIGHUP);
            return _error->Errno("waitpid","Couldn't wait for subprocess");
         }
@@ -1263,6 +1272,7 @@ bool pkgDPkgPM::Go(int OutStatusFd)
       // Restore sig int/quit
       signal(SIGQUIT,old_SIGQUIT);
       signal(SIGINT,old_SIGINT);
+      
       signal(SIGHUP,old_SIGHUP);
 
       if(master >= 0) 
@@ -1300,6 +1310,9 @@ bool pkgDPkgPM::Go(int OutStatusFd)
       }      
    }
    CloseLog();
+   
+   if (pkgPackageManager::SigINTStop)
+       _error->Warning(_("Operation was interrupted before it could finish"));
 
    if (RunScripts("DPkg::Post-Invoke") == false)
       return false;
@@ -1324,6 +1337,11 @@ bool pkgDPkgPM::Go(int OutStatusFd)
    Cache.writeStateFile(NULL);
    return true;
 }
+
+void SigINT(int sig) {
+   if (_config->FindB("APT::Immediate-Configure-All",false)) 
+      pkgPackageManager::SigINTStop = true;
+} 
                                                                        /*}}}*/
 // pkgDpkgPM::Reset - Dump the contents of the command list            /*{{{*/
 // ---------------------------------------------------------------------
@@ -1477,7 +1495,7 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg)
    // log the ordering 
    const char *ops_str[] = {"Install", "Configure","Remove","Purge"};
    fprintf(report, "AptOrdering:\n");
-   for (vector<Item>::iterator I = List.begin(); I != List.end(); I++)
+   for (vector<Item>::iterator I = List.begin(); I != List.end(); ++I)
       fprintf(report, " %s: %s\n", (*I).Pkg.Name(), ops_str[(*I).Op]);
 
    // attach dmesg log (to learn about segfaults)