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-rw-r--r--apt-pkg/acquire-worker.cc409
1 files changed, 254 insertions, 155 deletions
diff --git a/apt-pkg/acquire-worker.cc b/apt-pkg/acquire-worker.cc
index 9254e20a3..b15340448 100644
--- a/apt-pkg/acquire-worker.cc
+++ b/apt-pkg/acquire-worker.cc
@@ -26,7 +26,6 @@
#include <string>
#include <vector>
#include <iostream>
-#include <sstream>
#include <sys/stat.h>
#include <stdlib.h>
@@ -34,9 +33,7 @@
#include <signal.h>
#include <stdio.h>
#include <errno.h>
-#include <sys/types.h>
-#include <pwd.h>
-#include <grp.h>
+#include <sstream>
#include <apti18n.h>
/*}}}*/
@@ -47,7 +44,7 @@ using namespace std;
// ---------------------------------------------------------------------
/* */
pkgAcquire::Worker::Worker(Queue *Q,MethodConfig *Cnf,
- pkgAcquireStatus *Log) : Log(Log)
+ pkgAcquireStatus *log) : d(NULL), Log(log)
{
OwnerQ = Q;
Config = Cnf;
@@ -55,23 +52,18 @@ pkgAcquire::Worker::Worker(Queue *Q,MethodConfig *Cnf,
CurrentItem = 0;
TotalSize = 0;
CurrentSize = 0;
-
- Construct();
+
+ Construct();
}
/*}}}*/
// Worker::Worker - Constructor for method config startup /*{{{*/
// ---------------------------------------------------------------------
/* */
-pkgAcquire::Worker::Worker(MethodConfig *Cnf)
+pkgAcquire::Worker::Worker(MethodConfig *Cnf) : d(NULL), OwnerQ(NULL), Config(Cnf),
+ Access(Cnf->Access), CurrentItem(NULL),
+ CurrentSize(0), TotalSize(0)
{
- OwnerQ = 0;
- Config = Cnf;
- Access = Cnf->Access;
- CurrentItem = 0;
- TotalSize = 0;
- CurrentSize = 0;
-
- Construct();
+ Construct();
}
/*}}}*/
// Worker::Construct - Constructor helper /*{{{*/
@@ -136,7 +128,7 @@ bool pkgAcquire::Worker::Start()
}
for (int I = 0; I != 4; I++)
SetCloseExec(Pipes[I],true);
-
+
// Fork off the process
Process = ExecFork();
if (Process == 0)
@@ -145,9 +137,9 @@ bool pkgAcquire::Worker::Start()
dup2(Pipes[1],STDOUT_FILENO);
dup2(Pipes[2],STDIN_FILENO);
SetCloseExec(STDOUT_FILENO,false);
- SetCloseExec(STDIN_FILENO,false);
+ SetCloseExec(STDIN_FILENO,false);
SetCloseExec(STDERR_FILENO,false);
-
+
const char *Args[2];
Args[0] = Method.c_str();
Args[1] = 0;
@@ -165,7 +157,7 @@ bool pkgAcquire::Worker::Start()
close(Pipes[2]);
OutReady = false;
InReady = true;
-
+
// Read the configuration data
if (WaitFd(InFd) == false ||
ReadMessages() == false)
@@ -174,7 +166,7 @@ bool pkgAcquire::Worker::Start()
RunMessages();
if (OwnerQ != 0)
SendConfiguration();
-
+
return true;
}
/*}}}*/
@@ -201,7 +193,7 @@ bool pkgAcquire::Worker::RunMessages()
if (Debug == true)
clog << " <- " << Access << ':' << QuoteString(Message,"\n") << endl;
-
+
// Fetch the message number
char *End;
int Number = strtol(Message.c_str(),&End,10);
@@ -209,21 +201,24 @@ bool pkgAcquire::Worker::RunMessages()
return _error->Error("Invalid message from method %s: %s",Access.c_str(),Message.c_str());
string URI = LookupTag(Message,"URI");
- pkgAcquire::Queue::QItem *Itm = 0;
+ pkgAcquire::Queue::QItem *Itm = NULL;
if (URI.empty() == false)
Itm = OwnerQ->FindItem(URI,this);
- // update used mirror
- string UsedMirror = LookupTag(Message,"UsedMirror", "");
- if (!UsedMirror.empty() &&
- Itm &&
- Itm->Description.find(" ") != string::npos)
+ if (Itm != NULL)
{
- Itm->Description.replace(0, Itm->Description.find(" "), UsedMirror);
- // FIXME: will we need this as well?
- //Itm->ShortDesc = UsedMirror;
+ // update used mirror
+ string UsedMirror = LookupTag(Message,"UsedMirror", "");
+ if (UsedMirror.empty() == false)
+ {
+ for (pkgAcquire::Queue::QItem::owner_iterator O = Itm->Owners.begin(); O != Itm->Owners.end(); ++O)
+ (*O)->UsedMirror = UsedMirror;
+
+ if (Itm->Description.find(" ") != string::npos)
+ Itm->Description.replace(0, Itm->Description.find(" "), UsedMirror);
+ }
}
-
+
// Determine the message number and dispatch
switch (Number)
{
@@ -232,18 +227,18 @@ bool pkgAcquire::Worker::RunMessages()
if (Capabilities(Message) == false)
return _error->Error("Unable to process Capabilities message from %s",Access.c_str());
break;
-
+
// 101 Log
case 101:
if (Debug == true)
clog << " <- (log) " << LookupTag(Message,"Message") << endl;
break;
-
+
// 102 Status
case 102:
Status = LookupTag(Message,"Message");
break;
-
+
// 103 Redirect
case 103:
{
@@ -252,27 +247,49 @@ bool pkgAcquire::Worker::RunMessages()
_error->Error("Method gave invalid 103 Redirect message");
break;
}
-
- string NewURI = LookupTag(Message,"New-URI",URI.c_str());
+
+ std::string const NewURI = LookupTag(Message,"New-URI",URI.c_str());
Itm->URI = NewURI;
ItemDone();
- pkgAcquire::Item *Owner = Itm->Owner;
- pkgAcquire::ItemDesc Desc = *Itm;
-
// Change the status so that it can be dequeued
- Owner->Status = pkgAcquire::Item::StatIdle;
+ for (pkgAcquire::Queue::QItem::owner_iterator O = Itm->Owners.begin(); O != Itm->Owners.end(); ++O)
+ (*O)->Status = pkgAcquire::Item::StatIdle;
// Mark the item as done (taking care of all queues)
// and then put it in the main queue again
+ std::vector<Item*> const ItmOwners = Itm->Owners;
OwnerQ->ItemDone(Itm);
- OwnerQ->Owner->Enqueue(Desc);
-
- if (Log != 0)
- Log->Done(Desc);
+ Itm = NULL;
+ for (pkgAcquire::Queue::QItem::owner_iterator O = ItmOwners.begin(); O != ItmOwners.end(); ++O)
+ {
+ pkgAcquire::Item *Owner = *O;
+ pkgAcquire::ItemDesc &desc = Owner->GetItemDesc();
+ // if we change site, treat it as a mirror change
+ if (URI::SiteOnly(NewURI) != URI::SiteOnly(desc.URI))
+ {
+ std::string const OldSite = desc.Description.substr(0, desc.Description.find(" "));
+ if (likely(APT::String::Startswith(desc.URI, OldSite)))
+ {
+ std::string const OldExtra = desc.URI.substr(OldSite.length() + 1);
+ if (likely(APT::String::Endswith(NewURI, OldExtra)))
+ {
+ std::string const NewSite = NewURI.substr(0, NewURI.length() - OldExtra.length());
+ Owner->UsedMirror = URI::ArchiveOnly(NewSite);
+ if (desc.Description.find(" ") != string::npos)
+ desc.Description.replace(0, desc.Description.find(" "), Owner->UsedMirror);
+ }
+ }
+ }
+ desc.URI = NewURI;
+ OwnerQ->Owner->Enqueue(desc);
+
+ if (Log != 0)
+ Log->Done(desc);
+ }
break;
}
-
+
// 200 URI Start
case 200:
{
@@ -281,23 +298,27 @@ bool pkgAcquire::Worker::RunMessages()
_error->Error("Method gave invalid 200 URI Start message");
break;
}
-
+
CurrentItem = Itm;
CurrentSize = 0;
TotalSize = strtoull(LookupTag(Message,"Size","0").c_str(), NULL, 10);
ResumePoint = strtoull(LookupTag(Message,"Resume-Point","0").c_str(), NULL, 10);
- Itm->Owner->Start(Message,strtoull(LookupTag(Message,"Size","0").c_str(), NULL, 10));
+ for (pkgAcquire::Queue::QItem::owner_iterator O = Itm->Owners.begin(); O != Itm->Owners.end(); ++O)
+ {
+ (*O)->Start(Message, TotalSize);
- // Display update before completion
- if (Log != 0 && Log->MorePulses == true)
- Log->Pulse(Itm->Owner->GetOwner());
-
- if (Log != 0)
- Log->Fetch(*Itm);
+ // Display update before completion
+ if (Log != 0)
+ {
+ if (Log->MorePulses == true)
+ Log->Pulse((*O)->GetOwner());
+ Log->Fetch((*O)->GetItemDesc());
+ }
+ }
break;
}
-
+
// 201 URI Done
case 201:
{
@@ -306,72 +327,114 @@ bool pkgAcquire::Worker::RunMessages()
_error->Error("Method gave invalid 201 URI Done message");
break;
}
-
- pkgAcquire::Item *Owner = Itm->Owner;
- pkgAcquire::ItemDesc Desc = *Itm;
- if (RealFileExists(Owner->DestFile))
- ChangeOwnerAndPermissionOfFile("201::URIDone", Owner->DestFile.c_str(), "root", "root", 0644);
+ PrepareFiles("201::URIDone", Itm);
// Display update before completion
if (Log != 0 && Log->MorePulses == true)
- Log->Pulse(Owner->GetOwner());
-
- OwnerQ->ItemDone(Itm);
- unsigned long long const ServerSize = strtoull(LookupTag(Message,"Size","0").c_str(), NULL, 10);
- bool isHit = StringToBool(LookupTag(Message,"IMS-Hit"),false) ||
- StringToBool(LookupTag(Message,"Alt-IMS-Hit"),false);
- // Using the https method the server might return 200, but the
- // If-Modified-Since condition is not satsified, libcurl will
- // discard the download. In this case, however, TotalSize will be
- // set to the actual size of the file, while ServerSize will be set
- // to 0. Therefore, if the item is marked as a hit and the
- // downloaded size (ServerSize) is 0, we ignore TotalSize.
- if (TotalSize != 0 && (!isHit || ServerSize != 0) && ServerSize != TotalSize)
- _error->Warning("Size of file %s is not what the server reported %s %llu",
- Owner->DestFile.c_str(), LookupTag(Message,"Size","0").c_str(),TotalSize);
-
- // see if there is a hash to verify
+ for (pkgAcquire::Queue::QItem::owner_iterator O = Itm->Owners.begin(); O != Itm->Owners.end(); ++O)
+ Log->Pulse((*O)->GetOwner());
+
+ std::string const filename = LookupTag(Message, "Filename", Itm->Owner->DestFile.c_str());
HashStringList ReceivedHashes;
- for (char const * const * type = HashString::SupportedHashes(); *type != NULL; ++type)
{
- std::string const tagname = std::string(*type) + "-Hash";
- std::string const hashsum = LookupTag(Message, tagname.c_str());
- if (hashsum.empty() == false)
- ReceivedHashes.push_back(HashString(*type, hashsum));
+ // see if we got hashes to verify
+ for (char const * const * type = HashString::SupportedHashes(); *type != NULL; ++type)
+ {
+ std::string const tagname = std::string(*type) + "-Hash";
+ std::string const hashsum = LookupTag(Message, tagname.c_str());
+ if (hashsum.empty() == false)
+ ReceivedHashes.push_back(HashString(*type, hashsum));
+ }
+ // not all methods always sent Hashes our way
+ if (ReceivedHashes.usable() == false)
+ {
+ HashStringList const ExpectedHashes = Itm->GetExpectedHashes();
+ if (ExpectedHashes.usable() == true && RealFileExists(filename))
+ {
+ Hashes calc(ExpectedHashes);
+ FileFd file(filename, FileFd::ReadOnly, FileFd::None);
+ calc.AddFD(file);
+ ReceivedHashes = calc.GetHashStringList();
+ }
+ }
}
- if(_config->FindB("Debug::pkgAcquire::Auth", false) == true)
- {
- std::clog << "201 URI Done: " << Owner->DescURI() << endl
- << "ReceivedHash:" << endl;
- for (HashStringList::const_iterator hs = ReceivedHashes.begin(); hs != ReceivedHashes.end(); ++hs)
- std::clog << "\t- " << hs->toStr() << std::endl;
- std::clog << "ExpectedHash:" << endl;
- HashStringList expectedHashes = Owner->HashSums();
- for (HashStringList::const_iterator hs = expectedHashes.begin(); hs != expectedHashes.end(); ++hs)
- std::clog << "\t- " << hs->toStr() << std::endl;
- std::clog << endl;
- }
- Owner->Done(Message, ServerSize, ReceivedHashes, Config);
- ItemDone();
+ // only local files can refer other filenames and counting them as fetched would be unfair
+ if (Log != NULL && filename != Itm->Owner->DestFile)
+ Log->Fetched(ReceivedHashes.FileSize(),atoi(LookupTag(Message,"Resume-Point","0").c_str()));
+
+ std::vector<Item*> const ItmOwners = Itm->Owners;
+ OwnerQ->ItemDone(Itm);
+ Itm = NULL;
- // Log that we are done
- if (Log != 0)
+ bool const isIMSHit = StringToBool(LookupTag(Message,"IMS-Hit"),false) ||
+ StringToBool(LookupTag(Message,"Alt-IMS-Hit"),false);
+ for (pkgAcquire::Queue::QItem::owner_iterator O = ItmOwners.begin(); O != ItmOwners.end(); ++O)
{
- if (isHit)
+ pkgAcquire::Item * const Owner = *O;
+ HashStringList const ExpectedHashes = Owner->GetExpectedHashes();
+ if(_config->FindB("Debug::pkgAcquire::Auth", false) == true)
+ {
+ std::clog << "201 URI Done: " << Owner->DescURI() << endl
+ << "ReceivedHash:" << endl;
+ for (HashStringList::const_iterator hs = ReceivedHashes.begin(); hs != ReceivedHashes.end(); ++hs)
+ std::clog << "\t- " << hs->toStr() << std::endl;
+ std::clog << "ExpectedHash:" << endl;
+ for (HashStringList::const_iterator hs = ExpectedHashes.begin(); hs != ExpectedHashes.end(); ++hs)
+ std::clog << "\t- " << hs->toStr() << std::endl;
+ std::clog << endl;
+ }
+
+ // decide if what we got is what we expected
+ bool consideredOkay = false;
+ if (ExpectedHashes.usable())
{
- /* Hide 'hits' for local only sources - we also manage to
- hide gets */
- if (Config->LocalOnly == false)
- Log->IMSHit(Desc);
- }
+ if (ReceivedHashes.usable() == false)
+ {
+ /* IMS-Hits can't be checked here as we will have uncompressed file,
+ but the hashes for the compressed file. What we have was good through
+ so all we have to ensure later is that we are not stalled. */
+ consideredOkay = isIMSHit;
+ }
+ else if (ReceivedHashes == ExpectedHashes)
+ consideredOkay = true;
+ else
+ consideredOkay = false;
+
+ }
+ else if (Owner->HashesRequired() == true)
+ consideredOkay = false;
else
- Log->Done(Desc);
+ consideredOkay = true;
+
+ if (consideredOkay == true)
+ consideredOkay = Owner->VerifyDone(Message, Config);
+ else // hashsum mismatch
+ Owner->Status = pkgAcquire::Item::StatAuthError;
+
+ if (consideredOkay == true)
+ {
+ Owner->Done(Message, ReceivedHashes, Config);
+ if (Log != 0)
+ {
+ if (isIMSHit)
+ Log->IMSHit(Owner->GetItemDesc());
+ else
+ Log->Done(Owner->GetItemDesc());
+ }
+ }
+ else
+ {
+ Owner->Failed(Message,Config);
+ if (Log != 0)
+ Log->Fail(Owner->GetItemDesc());
+ }
}
+ ItemDone();
break;
- }
-
+ }
+
// 400 URI Failure
case 400:
{
@@ -382,44 +445,46 @@ bool pkgAcquire::Worker::RunMessages()
break;
}
+ PrepareFiles("400::URIFailure", Itm);
+
// Display update before completion
if (Log != 0 && Log->MorePulses == true)
- Log->Pulse(Itm->Owner->GetOwner());
-
- pkgAcquire::Item *Owner = Itm->Owner;
- pkgAcquire::ItemDesc Desc = *Itm;
-
- if (RealFileExists(Owner->DestFile))
- ChangeOwnerAndPermissionOfFile("400::URIFailure", Owner->DestFile.c_str(), "root", "root", 0644);
+ for (pkgAcquire::Queue::QItem::owner_iterator O = Itm->Owners.begin(); O != Itm->Owners.end(); ++O)
+ Log->Pulse((*O)->GetOwner());
+ std::vector<Item*> const ItmOwners = Itm->Owners;
OwnerQ->ItemDone(Itm);
+ Itm = NULL;
- // set some status
- if(LookupTag(Message,"FailReason") == "Timeout" ||
- LookupTag(Message,"FailReason") == "TmpResolveFailure" ||
- LookupTag(Message,"FailReason") == "ResolveFailure" ||
- LookupTag(Message,"FailReason") == "ConnectionRefused")
- Owner->Status = pkgAcquire::Item::StatTransientNetworkError;
+ for (pkgAcquire::Queue::QItem::owner_iterator O = ItmOwners.begin(); O != ItmOwners.end(); ++O)
+ {
+ // set some status
+ if(LookupTag(Message,"FailReason") == "Timeout" ||
+ LookupTag(Message,"FailReason") == "TmpResolveFailure" ||
+ LookupTag(Message,"FailReason") == "ResolveFailure" ||
+ LookupTag(Message,"FailReason") == "ConnectionRefused")
+ (*O)->Status = pkgAcquire::Item::StatTransientNetworkError;
- Owner->Failed(Message,Config);
- ItemDone();
+ (*O)->Failed(Message,Config);
- if (Log != 0)
- Log->Fail(Desc);
+ if (Log != 0)
+ Log->Fail((*O)->GetItemDesc());
+ }
+ ItemDone();
break;
- }
-
+ }
+
// 401 General Failure
case 401:
_error->Error("Method %s General failure: %s",Access.c_str(),LookupTag(Message,"Message").c_str());
break;
-
+
// 403 Media Change
case 403:
- MediaChange(Message);
+ MediaChange(Message);
break;
- }
+ }
}
return true;
}
@@ -432,7 +497,7 @@ bool pkgAcquire::Worker::Capabilities(string Message)
{
if (Config == 0)
return true;
-
+
Config->Version = LookupTag(Message,"Version");
Config->SingleInstance = StringToBool(LookupTag(Message,"Single-Instance"),false);
Config->Pipeline = StringToBool(LookupTag(Message,"Pipeline"),false);
@@ -447,13 +512,13 @@ bool pkgAcquire::Worker::Capabilities(string Message)
clog << "Configured access method " << Config->Access << endl;
clog << "Version:" << Config->Version <<
" SingleInstance:" << Config->SingleInstance <<
- " Pipeline:" << Config->Pipeline <<
- " SendConfig:" << Config->SendConfig <<
- " LocalOnly: " << Config->LocalOnly <<
- " NeedsCleanup: " << Config->NeedsCleanup <<
+ " Pipeline:" << Config->Pipeline <<
+ " SendConfig:" << Config->SendConfig <<
+ " LocalOnly: " << Config->LocalOnly <<
+ " NeedsCleanup: " << Config->NeedsCleanup <<
" Removable: " << Config->Removable << endl;
}
-
+
return true;
}
/*}}}*/
@@ -463,14 +528,14 @@ bool pkgAcquire::Worker::Capabilities(string Message)
bool pkgAcquire::Worker::MediaChange(string Message)
{
int status_fd = _config->FindI("APT::Status-Fd",-1);
- if(status_fd > 0)
+ if(status_fd > 0)
{
string Media = LookupTag(Message,"Media");
- string Drive = LookupTag(Message,"Drive");
+ string Drive = LookupTag(Message,"Drive");
ostringstream msg,status;
ioprintf(msg,_("Please insert the disc labeled: "
"'%s' "
- "in the drive '%s' and press enter."),
+ "in the drive '%s' and press [Enter]."),
Media.c_str(),Drive.c_str());
status << "media-change: " // message
<< Media << ":" // media
@@ -536,21 +601,29 @@ bool pkgAcquire::Worker::QueueItem(pkgAcquire::Queue::QItem *Item)
{
if (OutFd == -1)
return false;
-
+
string Message = "600 URI Acquire\n";
Message.reserve(300);
Message += "URI: " + Item->URI;
Message += "\nFilename: " + Item->Owner->DestFile;
- HashStringList const hsl = Item->Owner->HashSums();
+
+ HashStringList const hsl = Item->GetExpectedHashes();
for (HashStringList::const_iterator hs = hsl.begin(); hs != hsl.end(); ++hs)
Message += "\nExpected-" + hs->HashType() + ": " + hs->HashValue();
- if(Item->Owner->FileSize > 0)
+
+ if (hsl.FileSize() == 0)
{
- string MaximumSize;
- strprintf(MaximumSize, "%llu", Item->Owner->FileSize);
- Message += "\nMaximum-Size: " + MaximumSize;
+ unsigned long long FileSize = Item->GetMaximumSize();
+ if(FileSize > 0)
+ {
+ string MaximumSize;
+ strprintf(MaximumSize, "%llu", FileSize);
+ Message += "\nMaximum-Size: " + MaximumSize;
+ }
}
- Message += Item->Owner->Custom600Headers();
+
+ Item->SyncDestinationFiles();
+ Message += Item->Custom600Headers();
Message += "\n\n";
if (RealFileExists(Item->Owner->DestFile))
@@ -564,7 +637,7 @@ bool pkgAcquire::Worker::QueueItem(pkgAcquire::Queue::QItem *Item)
clog << " -> " << Access << ':' << QuoteString(Message,"\n") << endl;
OutQueue += Message;
OutReady = true;
-
+
return true;
}
/*}}}*/
@@ -586,7 +659,7 @@ bool pkgAcquire::Worker::OutFdReady()
OutQueue.erase(0,Res);
if (OutQueue.empty() == true)
OutReady = false;
-
+
return true;
}
/*}}}*/
@@ -608,7 +681,7 @@ bool pkgAcquire::Worker::InFdReady()
bool pkgAcquire::Worker::MethodFailure()
{
_error->Error("Method %s has died unexpectedly!",Access.c_str());
-
+
// do not reap the child here to show meaningfull error to the user
ExecWait(Process,Access.c_str(),false);
Process = -1;
@@ -620,26 +693,22 @@ bool pkgAcquire::Worker::MethodFailure()
InReady = false;
OutQueue = string();
MessageQueue.erase(MessageQueue.begin(),MessageQueue.end());
-
+
return false;
}
/*}}}*/
-// Worker::Pulse - Called periodically /*{{{*/
+// Worker::Pulse - Called periodically /*{{{*/
// ---------------------------------------------------------------------
/* */
void pkgAcquire::Worker::Pulse()
{
if (CurrentItem == 0)
return;
-
+
struct stat Buf;
if (stat(CurrentItem->Owner->DestFile.c_str(),&Buf) != 0)
return;
CurrentSize = Buf.st_size;
-
- // Hmm? Should not happen...
- if (CurrentSize > TotalSize && TotalSize != 0)
- TotalSize = CurrentSize;
}
/*}}}*/
// Worker::ItemDone - Called when the current item is finished /*{{{*/
@@ -653,3 +722,33 @@ void pkgAcquire::Worker::ItemDone()
Status = string();
}
/*}}}*/
+void pkgAcquire::Worker::PrepareFiles(char const * const caller, pkgAcquire::Queue::QItem const * const Itm)/*{{{*/
+{
+ if (RealFileExists(Itm->Owner->DestFile))
+ {
+ ChangeOwnerAndPermissionOfFile(caller, Itm->Owner->DestFile.c_str(), "root", "root", 0644);
+ std::string const filename = Itm->Owner->DestFile;
+ for (pkgAcquire::Queue::QItem::owner_iterator O = Itm->Owners.begin(); O != Itm->Owners.end(); ++O)
+ {
+ pkgAcquire::Item const * const Owner = *O;
+ if (Owner->DestFile == filename)
+ continue;
+ unlink(Owner->DestFile.c_str());
+ if (link(filename.c_str(), Owner->DestFile.c_str()) != 0)
+ {
+ // different mounts can't happen for us as we download to lists/ by default,
+ // but if the system is reused by others the locations can potentially be on
+ // different disks, so use symlink as poor-men replacement.
+ // FIXME: Real copying as last fallback, but that is costly, so offload to a method preferable
+ if (symlink(filename.c_str(), Owner->DestFile.c_str()) != 0)
+ _error->Error("Can't create (sym)link of file %s to %s", filename.c_str(), Owner->DestFile.c_str());
+ }
+ }
+ }
+ else
+ {
+ for (pkgAcquire::Queue::QItem::owner_iterator O = Itm->Owners.begin(); O != Itm->Owners.end(); ++O)
+ unlink((*O)->DestFile.c_str());
+ }
+}
+ /*}}}*/
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