diff options
| -rw-r--r-- | apt-pkg/policy.cc | 23 | ||||
| -rwxr-xr-x | test/integration/test-policy-pinning | 65 |
2 files changed, 82 insertions, 6 deletions
diff --git a/apt-pkg/policy.cc b/apt-pkg/policy.cc index d7eb43c0f..6de439d32 100644 --- a/apt-pkg/policy.cc +++ b/apt-pkg/policy.cc @@ -38,6 +38,8 @@ using namespace std; +constexpr short NEVER_PIN = std::numeric_limits<short>::min(); + // Policy::Init - Startup and bind to a cache /*{{{*/ // --------------------------------------------------------------------- /* Set the defaults for operation. The default mode with no loaded policy @@ -107,7 +109,7 @@ bool pkgPolicy::InitDefaults() pkgVersionMatch Match(I->Data,I->Type); for (pkgCache::PkgFileIterator F = Cache->FileBegin(); F != Cache->FileEnd(); ++F) { - if (Fixed[F->ID] == false && Match.FileMatch(F) == true) + if ((Fixed[F->ID] == false || I->Priority == NEVER_PIN) && PFPriority[F->ID] != NEVER_PIN && Match.FileMatch(F) == true) { PFPriority[F->ID] = I->Priority; @@ -271,7 +273,14 @@ APT_PURE signed short pkgPolicy::GetPriority(pkgCache::PkgIterator const &Pkg) APT_PURE signed short pkgPolicy::GetPriority(pkgCache::VerIterator const &Ver, bool ConsiderFiles) { if (VerPins[Ver->ID].Type != pkgVersionMatch::None) - return VerPins[Ver->ID].Priority; + { + // If all sources are never pins, the never pin wins. + if (VerPins[Ver->ID].Priority == NEVER_PIN) + return NEVER_PIN; + for (pkgCache::VerFileIterator file = Ver.FileList(); file.end() == false; file++) + if (GetPriority(file.File()) != NEVER_PIN) + return VerPins[Ver->ID].Priority; + } if (!ConsiderFiles) return 0; @@ -388,9 +397,17 @@ bool ReadPinFile(pkgPolicy &Plcy,string File) for (; Word != End && isspace(*Word) != 0; Word++); _error->PushToStack(); - int const priority = Tags.FindI("Pin-Priority", 0); + std::string sPriority = Tags.FindS("Pin-Priority"); + int priority = sPriority == "never" ? NEVER_PIN : Tags.FindI("Pin-Priority", 0); bool const newError = _error->PendingError(); _error->MergeWithStack(); + + if (sPriority == "never" && not Name.empty()) + return _error->Error(_("%s: The special 'Pin-Priority: %s' can only be used for 'Package: *' records"), File.c_str(), "never"); + + // Silently clamp the never pin to never pin + 1 + if (priority == NEVER_PIN && sPriority != "never") + priority = NEVER_PIN + 1; if (priority < std::numeric_limits<short>::min() || priority > std::numeric_limits<short>::max() || newError) { diff --git a/test/integration/test-policy-pinning b/test/integration/test-policy-pinning index 5676d1457..35e178871 100755 --- a/test/integration/test-policy-pinning +++ b/test/integration/test-policy-pinning @@ -315,15 +315,16 @@ testsuccessequal "coolstuff: Installed: 2.0~bpo1 Candidate: $2 Version table: - 2.0~bpo2 $1 - $1 file:${tmppath}/aptarchive backports/main all Packages + 2.0~bpo2 ${3:-$1} + ${3:-$1} file:${tmppath}/aptarchive backports/main all Packages *** 2.0~bpo1 100 100 ${tmppath}/rootdir/var/lib/dpkg/status 1.0 500 500 file:${tmppath}/aptarchive stable/main all Packages" apt policy coolstuff } currentpin '32767' '2.0~bpo2' -currentpin '-32768' '2.0~bpo1' +currentpin '-32768' '2.0~bpo1' '-32767' +currentpin '-32767' '2.0~bpo1' '-32767' # Check for 0 echo "Package: coolstuff @@ -359,3 +360,61 @@ testsuccessequal "coolstuff: 100 ${tmppath}/rootdir/var/lib/dpkg/status 1.0 500 500 file:${tmppath}/aptarchive stable/main all Packages" aptcache policy coolstuff + + +# Check for override pins + +# Normal pins: First one wins +echo "Package: coolstuff +Pin: release n=backports +Pin-Priority: 990 + +Package: coolstuff +Pin: release n=backports +Pin-Priority: 991 +" > rootdir/etc/apt/preferences + +testsuccessequal "coolstuff: + Installed: 2.0~bpo1 + Candidate: 2.0~bpo2 + Version table: + 2.0~bpo2 990 + 100 file:${tmppath}/aptarchive backports/main all Packages + *** 2.0~bpo1 100 + 100 ${tmppath}/rootdir/var/lib/dpkg/status + 1.0 500 + 500 file:${tmppath}/aptarchive stable/main all Packages" aptcache policy coolstuff + + +echo "Package: coolstuff +Pin: release n=backports +Pin-Priority: 990 + +Package: * +Pin: release n=backports +Pin-Priority: never +" > rootdir/etc/apt/preferences + +testsuccessequal "coolstuff: + Installed: 2.0~bpo1 + Candidate: 2.0~bpo1 + Version table: + 2.0~bpo2 -32768 + -32768 file:${tmppath}/aptarchive backports/main all Packages + *** 2.0~bpo1 100 + 100 ${tmppath}/rootdir/var/lib/dpkg/status + 1.0 500 + 500 file:${tmppath}/aptarchive stable/main all Packages" aptcache policy coolstuff + + + + +# Check for 0 +echo "Package: coolstuff +Pin: release n=backports +Pin-Priority: never +" > rootdir/etc/apt/preferences + +testfailureequal "Reading package lists... +E: ${tmppath}/rootdir/etc/apt/preferences: The special 'Pin-Priority: never' can only be used for 'Package: *' records" \ + aptget install -s coolstuff -o PinPriority=0 |