doc/apt-get.8.xml: explicitly say that 'dist-upgrade' command may remove packages.

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

diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc
index bc15b88195cc163ad7dd79dedaa5972174db1a1f..9ad367e67840b3302d3d8f5ce782f8a0c8f6694f 100644 (file)
--- a/apt-pkg/deb/dpkgpm.cc
+++ b/apt-pkg/deb/dpkgpm.cc
@@ -25,6 +25,8 @@
 #include <signal.h>
 #include <errno.h>
 #include <stdio.h>
+#include <string.h>
+#include <algorithm>
 #include <sstream>
 #include <map>
 
@@ -39,7 +41,38 @@
 
 using namespace std;
 
-
+namespace
+{
+  // Maps the dpkg "processing" info to human readable names.  Entry 0
+  // of each array is the key, entry 1 is the value.
+  const std::pair<const char *, const char *> PackageProcessingOps[] = {
+    std::make_pair("install",   N_("Installing %s")),
+    std::make_pair("configure", N_("Configuring %s")),
+    std::make_pair("remove",    N_("Removing %s")),
+    std::make_pair("trigproc",  N_("Running post-installation trigger %s"))
+  };
+
+  const std::pair<const char *, const char *> * const PackageProcessingOpsBegin = PackageProcessingOps;
+  const std::pair<const char *, const char *> * const PackageProcessingOpsEnd   = PackageProcessingOps + sizeof(PackageProcessingOps) / sizeof(PackageProcessingOps[0]);
+
+  // Predicate to test whether an entry in the PackageProcessingOps
+  // array matches a string.
+  class MatchProcessingOp
+  {
+    const char *target;
+
+  public:
+    MatchProcessingOp(const char *the_target)
+      : target(the_target)
+    {
+    }
+
+    bool operator()(const std::pair<const char *, const char *> &pair) const
+    {
+      return strcmp(pair.first, target) == 0;
+    }
+  };
+}
 
 // DPkgPM::pkgDPkgPM - Constructor                                     /*{{{*/
 // ---------------------------------------------------------------------
@@ -333,6 +366,12 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line)
       'status: /var/cache/apt/archives/krecipes_0.8.1-0ubuntu1_i386.deb : error : trying to overwrite `/usr/share/doc/kde/HTML/en/krecipes/krectip.png', which is also in package krecipes-data 
       and conffile-prompt like this
       'status: conffile-prompt: conffile : 'current-conffile' 'new-conffile' useredited distedited
+      
+      Newer versions of dpkg sent also:
+      'processing: install: pkg'
+      'processing: configure: pkg'
+      'processing: remove: pkg'
+      'processing: trigproc: trigger'
            
    */
    char* list[5];
@@ -351,6 +390,36 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line)
    char *pkg = list[1];
    char *action = _strstrip(list[2]);
 
+   // 'processing' from dpkg looks like
+   // 'processing: action: pkg'
+   if(strncmp(list[0], "processing", strlen("processing")) == 0)
+   {
+      char s[200];
+      char *pkg_or_trigger = _strstrip(list[2]);
+      action =_strstrip( list[1]);
+      const std::pair<const char *, const char *> * const iter =
+       std::find_if(PackageProcessingOpsBegin,
+                    PackageProcessingOpsEnd,
+                    MatchProcessingOp(action));
+      if(iter == PackageProcessingOpsEnd)
+      {
+        if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+           std::clog << "ignoring unknwon action: " << action << std::endl;
+        return;
+      }
+      snprintf(s, sizeof(s), _(iter->second), pkg_or_trigger);
+
+      status << "pmstatus:" << pkg_or_trigger
+            << ":"  << (PackagesDone/float(PackagesTotal)*100.0) 
+            << ":" << s
+            << endl;
+      if(OutStatusFd > 0)
+        write(OutStatusFd, status.str().c_str(), status.str().size());
+      if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+        std::clog << "send: '" << status.str() << "'" << endl;
+      return;
+   }
+
    if(strncmp(action,"error",strlen("error")) == 0)
    {
       status << "pmerror:" << list[1]
@@ -462,7 +531,7 @@ bool pkgDPkgPM::OpenLog()
       struct tm *tmp = localtime(&t);
       strftime(outstr, sizeof(outstr), "%F  %T", tmp);
       fprintf(term_out, "\nLog started: ");
-      fprintf(term_out, outstr);
+      fprintf(term_out, "%s", outstr);
       fprintf(term_out, "\n");
    }
    return true;
@@ -477,7 +546,7 @@ bool pkgDPkgPM::CloseLog()
       struct tm *tmp = localtime(&t);
       strftime(outstr, sizeof(outstr), "%F  %T", tmp);
       fprintf(term_out, "Log ended: ");
-      fprintf(term_out, outstr);
+      fprintf(term_out, "%s", outstr);
       fprintf(term_out, "\n");
       fclose(term_out);
    }
@@ -520,13 +589,14 @@ bool pkgDPkgPM::Go(int OutStatusFd)
 {
    unsigned int MaxArgs = _config->FindI("Dpkg::MaxArgs",8*1024);   
    unsigned int MaxArgBytes = _config->FindI("Dpkg::MaxArgBytes",32*1024);
+   bool NoTriggers = _config->FindB("DPkg::NoTriggers",false);
 
    if (RunScripts("DPkg::Pre-Invoke") == false)
       return false;
 
    if (RunScriptsWithPkgs("DPkg::Pre-Install-Pkgs") == false)
       return false;
-   
+
    // map the dpkg states to the operations that are performed
    // (this is sorted in the same way as Item::Ops)
    static const struct DpkgState DpkgStatesOpMap[][7] = {
@@ -649,6 +719,8 @@ bool pkgDPkgPM::Go(int OutStatusFd)
         
         case Item::Configure:
         Args[n++] = "--configure";
+        if (NoTriggers)
+           Args[n++] = "--no-triggers";
         Size += strlen(Args[n-1]);
         break;
         
@@ -701,6 +773,9 @@ bool pkgDPkgPM::Go(int OutStatusFd)
       sighandler_t old_SIGQUIT = signal(SIGQUIT,SIG_IGN);
       sighandler_t old_SIGINT = signal(SIGINT,SIG_IGN);
 
+      // ignore SIGHUP as well (debian #463030)
+      sighandler_t old_SIGHUP = signal(SIGHUP,SIG_IGN);
+
       struct   termios tt;
       struct   termios tt_out;
       struct   winsize win;
@@ -809,6 +884,7 @@ bool pkgDPkgPM::Go(int OutStatusFd)
            // Restore sig int/quit
            signal(SIGQUIT,old_SIGQUIT);
            signal(SIGINT,old_SIGINT);
+           signal(SIGINT,old_SIGHUP);
            return _error->Errno("waitpid","Couldn't wait for subprocess");
         }
 
@@ -848,6 +924,7 @@ bool pkgDPkgPM::Go(int OutStatusFd)
       // Restore sig int/quit
       signal(SIGQUIT,old_SIGQUIT);
       signal(SIGINT,old_SIGINT);
+      signal(SIGHUP,old_SIGHUP);
 
       if(master >= 0) 
       {
@@ -884,6 +961,8 @@ bool pkgDPkgPM::Go(int OutStatusFd)
 
    if (RunScripts("DPkg::Post-Invoke") == false)
       return false;
+
+   Cache.writeStateFile(NULL);
    return true;
 }
                                                                        /*}}}*/