* apt-pkg/deb/dpkgpm.cc, apt-pkg/contrib/fileutl.{cc,h}:

  - move the RunScripts() code into fileutl.{cc,h}
* apt-pkg/cachefile.cc:
  - add support for "APT::Update::{Pre,Post}-Invoke" scripts

apt-pkg/cachefile.cc

@@ -24,6 +24,7 @@
 #include <apt-pkg/policy.h>
 #include <apt-pkg/pkgsystem.h>
 #include <apt-pkg/acquire-item.h>
+#include <apt-pkg/fileutl.h>
     
 #include <apti18n.h>
 									/*}}}*/
@@ -123,6 +124,9 @@ bool pkgCacheFile::ListUpdate(pkgAcquireStatus &Stat, pkgSourceList &List)
    if (List.GetIndexes(&Fetcher) == false)
 	 return false;
    
+   // Run scripts
+   RunScripts("APT::Update::Pre-Invoke");
+
    // Run it
    if (Fetcher.Run() == pkgAcquire::Failed)
       return false;
@@ -152,6 +156,8 @@ bool pkgCacheFile::ListUpdate(pkgAcquireStatus &Stat, pkgSourceList &List)
 	 return false;
    }
 
+   // Run the scripts
+   RunScripts("APT::Update::Post-Invoke");
 
    return (Failed == false);
 }

apt-pkg/contrib/fileutl.cc

@@ -8,9 +8,12 @@
    CopyFile - Buffered copy of a single file
    GetLock - dpkg compatible lock file manipulation (fcntl)
    
-   This source is placed in the Public Domain, do with it what you will
+   Most of this source is placed in the Public Domain, do with it what 
+   you will
    It was originally written by Jason Gunthorpe <jgg@debian.org>.
    
+   The exception is RunScripts() it is under the GPLv2
+
    ##################################################################### */
 									/*}}}*/
 // Include Files							/*{{{*/
@@ -38,6 +41,68 @@
 
 using namespace std;
 
+// RunScripts - Run a set of scripts from a configuration subtree	/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool RunScripts(const char *Cnf)
+{
+   Configuration::Item const *Opts = _config->Tree(Cnf);
+   if (Opts == 0 || Opts->Child == 0)
+      return true;
+   Opts = Opts->Child;
+
+   // Fork for running the system calls
+   pid_t Child = ExecFork();
+   
+   // This is the child
+   if (Child == 0)
+   {
+      if (chdir("/tmp/") != 0)
+	 _exit(100);
+	 
+      unsigned int Count = 1;
+      for (; Opts != 0; Opts = Opts->Next, Count++)
+      {
+	 if (Opts->Value.empty() == true)
+	    continue;
+	 
+	 if (system(Opts->Value.c_str()) != 0)
+	    _exit(100+Count);
+      }
+      _exit(0);
+   }      
+
+   // Wait for the child
+   int Status = 0;
+   while (waitpid(Child,&Status,0) != Child)
+   {
+      if (errno == EINTR)
+	 continue;
+      return _error->Errno("waitpid","Couldn't wait for subprocess");
+   }
+
+   // Restore sig int/quit
+   signal(SIGQUIT,SIG_DFL);
+   signal(SIGINT,SIG_DFL);   
+
+   // Check for an error code.
+   if (WIFEXITED(Status) == 0 || WEXITSTATUS(Status) != 0)
+   {
+      unsigned int Count = WEXITSTATUS(Status);
+      if (Count > 100)
+      {
+	 Count -= 100;
+	 for (; Opts != 0 && Count != 1; Opts = Opts->Next, Count--);
+	 _error->Error("Problem executing scripts %s '%s'",Cnf,Opts->Value.c_str());
+      }
+      
+      return _error->Error("Sub-process returned an error code");
+   }
+   
+   return true;
+}
+									/*}}}*/
+
 // CopyFile - Buffered copy of a file					/*{{{*/
 // ---------------------------------------------------------------------
 /* The caller is expected to set things so that failure causes erasure */

apt-pkg/contrib/fileutl.h

@@ -80,6 +80,7 @@ class FileFd
    virtual ~FileFd();
 };
 
+bool RunScripts(const char *Cnf);
 bool CopyFile(FileFd &From,FileFd &To);
 int GetLock(string File,bool Errors = true);
 bool FileExists(string File);

apt-pkg/deb/dpkgpm.cc

@@ -16,6 +16,7 @@
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/depcache.h>
 #include <apt-pkg/strutl.h>
+#include <apt-pkg/fileutl.h>
 
 #include <unistd.h>
 #include <stdlib.h>
@@ -93,60 +94,7 @@ bool pkgDPkgPM::Remove(PkgIterator Pkg,bool Purge)
    each one is run with system from a forked child. */
 bool pkgDPkgPM::RunScripts(const char *Cnf)
 {
-   Configuration::Item const *Opts = _config->Tree(Cnf);
-   if (Opts == 0 || Opts->Child == 0)
-      return true;
-   Opts = Opts->Child;
-
-   // Fork for running the system calls
-   pid_t Child = ExecFork();
-   
-   // This is the child
-   if (Child == 0)
-   {
-      if (chdir("/tmp/") != 0)
-	 _exit(100);
-	 
-      unsigned int Count = 1;
-      for (; Opts != 0; Opts = Opts->Next, Count++)
-      {
-	 if (Opts->Value.empty() == true)
-	    continue;
-	 
-	 if (system(Opts->Value.c_str()) != 0)
-	    _exit(100+Count);
-      }
-      _exit(0);
-   }      
-
-   // Wait for the child
-   int Status = 0;
-   while (waitpid(Child,&Status,0) != Child)
-   {
-      if (errno == EINTR)
-	 continue;
-      return _error->Errno("waitpid","Couldn't wait for subprocess");
-   }
-
-   // Restore sig int/quit
-   signal(SIGQUIT,SIG_DFL);
-   signal(SIGINT,SIG_DFL);   
-
-   // Check for an error code.
-   if (WIFEXITED(Status) == 0 || WEXITSTATUS(Status) != 0)
-   {
-      unsigned int Count = WEXITSTATUS(Status);
-      if (Count > 100)
-      {
-	 Count -= 100;
-	 for (; Opts != 0 && Count != 1; Opts = Opts->Next, Count--);
-	 _error->Error("Problem executing scripts %s '%s'",Cnf,Opts->Value.c_str());
-      }
-      
-      return _error->Error("Sub-process returned an error code");
-   }
-   
-   return true;
+   RunScripts(Cnf);
 }
                                                                         /*}}}*/
 // DPkgPM::SendV2Pkgs - Send version 2 package info			/*{{{*/

po/apt-all.pot

@@ -699,7 +699,7 @@ msgid "Unable to lock the download directory"
 msgstr ""
 
 #: cmdline/apt-get.cc:801 cmdline/apt-get.cc:1856 cmdline/apt-get.cc:2092
-#: apt-pkg/cachefile.cc:68
+#: apt-pkg/cachefile.cc:69
 msgid "The list of sources could not be read."
 msgstr ""
 
@@ -761,7 +761,7 @@ msgstr ""
 msgid "Do you want to continue [Y/n]? "
 msgstr ""
 
-#: cmdline/apt-get.cc:961 cmdline/apt-get.cc:1989 apt-pkg/cachefile.cc:138
+#: cmdline/apt-get.cc:961 cmdline/apt-get.cc:1989 apt-pkg/cachefile.cc:142
 #, c-format
 msgid "Failed to fetch %s  %s\n"
 msgstr ""
@@ -1544,7 +1544,7 @@ msgstr ""
 msgid "Server closed the connection"
 msgstr ""
 
-#: methods/ftp.cc:338 apt-pkg/contrib/fileutl.cc:471 methods/rsh.cc:190
+#: methods/ftp.cc:338 apt-pkg/contrib/fileutl.cc:536 methods/rsh.cc:190
 msgid "Read error"
 msgstr ""
 
@@ -1556,7 +1556,7 @@ msgstr ""
 msgid "Protocol corruption"
 msgstr ""
 
-#: methods/ftp.cc:446 apt-pkg/contrib/fileutl.cc:510 methods/rsh.cc:232
+#: methods/ftp.cc:446 apt-pkg/contrib/fileutl.cc:575 methods/rsh.cc:232
 msgid "Write error"
 msgstr ""
 
@@ -1953,70 +1953,70 @@ msgstr ""
 msgid "Failed to stat the cdrom"
 msgstr ""
 
-#: apt-pkg/contrib/fileutl.cc:82
+#: apt-pkg/contrib/fileutl.cc:147
 #, c-format
 msgid "Not using locking for read only lock file %s"
 msgstr ""
 
-#: apt-pkg/contrib/fileutl.cc:87
+#: apt-pkg/contrib/fileutl.cc:152
 #, c-format
 msgid "Could not open lock file %s"
 msgstr ""
 
-#: apt-pkg/contrib/fileutl.cc:105
+#: apt-pkg/contrib/fileutl.cc:170
 #, c-format
 msgid "Not using locking for nfs mounted lock file %s"
 msgstr ""
 
-#: apt-pkg/contrib/fileutl.cc:109
+#: apt-pkg/contrib/fileutl.cc:174
 #, c-format
 msgid "Could not get lock %s"
 msgstr ""
 
-#: apt-pkg/contrib/fileutl.cc:377
+#: apt-pkg/contrib/fileutl.cc:442
 #, c-format
 msgid "Waited for %s but it wasn't there"
 msgstr ""
 
-#: apt-pkg/contrib/fileutl.cc:387
+#: apt-pkg/contrib/fileutl.cc:452
 #, c-format
 msgid "Sub-process %s received a segmentation fault."
 msgstr ""
 
-#: apt-pkg/contrib/fileutl.cc:390
+#: apt-pkg/contrib/fileutl.cc:455
 #, c-format
 msgid "Sub-process %s returned an error code (%u)"
 msgstr ""
 
-#: apt-pkg/contrib/fileutl.cc:392
+#: apt-pkg/contrib/fileutl.cc:457
 #, c-format
 msgid "Sub-process %s exited unexpectedly"
 msgstr ""
 
-#: apt-pkg/contrib/fileutl.cc:436
+#: apt-pkg/contrib/fileutl.cc:501
 #, c-format
 msgid "Could not open file %s"
 msgstr ""
 
-#: apt-pkg/contrib/fileutl.cc:492
+#: apt-pkg/contrib/fileutl.cc:557
 #, c-format
 msgid "read, still have %lu to read but none left"
 msgstr ""
 
-#: apt-pkg/contrib/fileutl.cc:522
+#: apt-pkg/contrib/fileutl.cc:587
 #, c-format
 msgid "write, still have %lu to write but couldn't"
 msgstr ""
 
-#: apt-pkg/contrib/fileutl.cc:597
+#: apt-pkg/contrib/fileutl.cc:662
 msgid "Problem closing the file"
 msgstr ""
 
-#: apt-pkg/contrib/fileutl.cc:603
+#: apt-pkg/contrib/fileutl.cc:668
 msgid "Problem unlinking the file"
 msgstr ""
 
-#: apt-pkg/contrib/fileutl.cc:614
+#: apt-pkg/contrib/fileutl.cc:679
 msgid "Problem syncing the file"
 msgstr ""
 
@@ -2245,11 +2245,11 @@ msgstr ""
 msgid "You must put some 'source' URIs in your sources.list"
 msgstr ""
 
-#: apt-pkg/cachefile.cc:74
+#: apt-pkg/cachefile.cc:75
 msgid "The package lists or status file could not be parsed or opened."
 msgstr ""
 
-#: apt-pkg/cachefile.cc:78
+#: apt-pkg/cachefile.cc:79
 msgid "You may want to run apt-get update to correct these problems"
 msgstr ""
 
@@ -2477,52 +2477,52 @@ msgstr ""
 msgid "Wrote %i records with %i missing files and %i mismatched files\n"
 msgstr ""
 
-#: apt-pkg/deb/dpkgpm.cc:358
+#: apt-pkg/deb/dpkgpm.cc:306
 #, c-format
 msgid "Preparing %s"
 msgstr ""
 
-#: apt-pkg/deb/dpkgpm.cc:359
+#: apt-pkg/deb/dpkgpm.cc:307
 #, c-format
 msgid "Unpacking %s"
 msgstr ""
 
-#: apt-pkg/deb/dpkgpm.cc:364
+#: apt-pkg/deb/dpkgpm.cc:312
 #, c-format
 msgid "Preparing to configure %s"
 msgstr ""
 
-#: apt-pkg/deb/dpkgpm.cc:365
+#: apt-pkg/deb/dpkgpm.cc:313
 #, c-format
 msgid "Configuring %s"
 msgstr ""
 
-#: apt-pkg/deb/dpkgpm.cc:366
+#: apt-pkg/deb/dpkgpm.cc:314
 #, c-format
 msgid "Installed %s"
 msgstr ""
 
-#: apt-pkg/deb/dpkgpm.cc:371
+#: apt-pkg/deb/dpkgpm.cc:319
 #, c-format
 msgid "Preparing for removal of %s"
 msgstr ""
 
-#: apt-pkg/deb/dpkgpm.cc:372
+#: apt-pkg/deb/dpkgpm.cc:320
 #, c-format
 msgid "Removing %s"
 msgstr ""
 
-#: apt-pkg/deb/dpkgpm.cc:373
+#: apt-pkg/deb/dpkgpm.cc:321
 #, c-format
 msgid "Removed %s"
 msgstr ""
 
-#: apt-pkg/deb/dpkgpm.cc:378
+#: apt-pkg/deb/dpkgpm.cc:326
 #, c-format
 msgid "Preparing to completely remove %s"
 msgstr ""
 
-#: apt-pkg/deb/dpkgpm.cc:379
+#: apt-pkg/deb/dpkgpm.cc:327
 #, c-format
 msgid "Completely removed %s"
 msgstr ""