[280] | 1 | // pkg_acqfile.cc |
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| 2 | // |
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| 3 | // Copyright 2002 Daniel Burrows |
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| 4 | // |
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| 5 | // This program is free software; you can redistribute it and/or modify |
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| 6 | // it under the terms of the GNU General Public License as published by |
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| 7 | // the Free Software Foundation; either version 2 of the License, or |
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| 8 | // (at your option) any later version. |
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| 9 | // |
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| 10 | // This program is distributed in the hope that it will be useful, |
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| 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | // GNU General Public License for more details. |
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| 14 | // |
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| 15 | // You should have received a copy of the GNU General Public License |
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| 16 | // along with this program; see the file COPYING. If not, write to |
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| 17 | // the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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| 18 | // Boston, MA 02111-1307, USA. |
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| 19 | |
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| 20 | // (based on pkg_changelog) |
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| 21 | // |
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| 22 | // mvo: taken from aptitude with a big _thankyou_ |
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| 23 | |
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| 24 | #include "pkg_acqfile.h" |
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| 25 | |
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| 26 | #include "config.h" |
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| 27 | #include "i18n.h" |
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| 28 | |
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| 29 | #include <stdio.h> |
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| 30 | #include <errno.h> |
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| 31 | #include <unistd.h> |
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| 32 | #include <fcntl.h> |
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| 33 | #include <signal.h> |
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| 34 | #include <sys/stat.h> |
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| 35 | |
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| 36 | #include <apt-pkg/error.h> |
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| 37 | #include <apt-pkg/configuration.h> |
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| 38 | #include <apt-pkg/acquire-item.h> |
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| 39 | #include <apt-pkg/sourcelist.h> |
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| 40 | #include <apt-pkg/strutl.h> |
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| 41 | |
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| 42 | // Let's all sing a song about apt-pkg's brokenness.. |
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| 43 | |
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| 44 | pkgAcqFileSane::pkgAcqFileSane(pkgAcquire *Owner, string URI, |
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| 45 | string Description, string ShortDesc, |
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| 46 | string filename): |
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| 47 | Item(Owner) |
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| 48 | { |
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| 49 | Retries=_config->FindI("Acquire::Retries",0); |
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| 50 | DestFile=filename; |
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| 51 | |
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| 52 | Desc.URI=URI; |
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| 53 | Desc.Description=Description; |
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| 54 | Desc.Owner=this; |
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| 55 | Desc.ShortDesc=ShortDesc; |
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| 56 | |
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| 57 | QueueURI(Desc); |
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| 58 | } |
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| 59 | |
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| 60 | // Straight from acquire-item.cc |
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| 61 | /* Here we try other sources */ |
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| 62 | void pkgAcqFileSane::Failed(string Message,pkgAcquire::MethodConfig *Cnf) |
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| 63 | { |
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| 64 | ErrorText = LookupTag(Message,"Message"); |
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| 65 | |
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| 66 | // This is the retry counter |
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| 67 | if (Retries != 0 && |
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| 68 | Cnf->LocalOnly == false && |
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| 69 | StringToBool(LookupTag(Message,"Transient-Failure"),false) == true) |
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| 70 | { |
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| 71 | Retries--; |
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| 72 | QueueURI(Desc); |
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| 73 | return; |
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| 74 | } |
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| 75 | |
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| 76 | Item::Failed(Message,Cnf); |
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| 77 | } |
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| 78 | |
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| 79 | // Mostly copied from pkgAcqArchive. |
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| 80 | bool get_archive(pkgAcquire *Owner, pkgSourceList *Sources, |
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| 81 | pkgRecords *Recs, pkgCache::VerIterator const &Version, |
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| 82 | string directory, string &StoreFilename) |
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| 83 | { |
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| 84 | pkgCache::VerFileIterator Vf=Version.FileList(); |
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| 85 | |
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| 86 | if(Version.Arch()==0) |
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| 87 | return _error->Error(_("I wasn't able to locate a file for the %s package. " |
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| 88 | "This might mean you need to manually fix this package. (due to missing arch)"), |
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| 89 | Version.ParentPkg().Name()); |
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| 90 | |
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| 91 | /* We need to find a filename to determine the extension. We make the |
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| 92 | assumption here that all the available sources for this version share |
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| 93 | the same extension.. */ |
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| 94 | // Skip not source sources, they do not have file fields. |
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| 95 | for (; Vf.end() == false; Vf++) |
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| 96 | { |
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| 97 | if ((Vf.File()->Flags & pkgCache::Flag::NotSource) != 0) |
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| 98 | continue; |
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| 99 | break; |
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| 100 | } |
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| 101 | |
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| 102 | // Does not really matter here.. we are going to fail out below |
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| 103 | if (Vf.end() != true) |
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| 104 | { |
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| 105 | // If this fails to get a file name we will bomb out below. |
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| 106 | pkgRecords::Parser &Parse = Recs->Lookup(Vf); |
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| 107 | if (_error->PendingError() == true) |
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| 108 | return false; |
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| 109 | |
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| 110 | // Generate the final file name as: package_version_arch.foo |
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| 111 | StoreFilename = QuoteString(Version.ParentPkg().Name(),"_:") + '_' + |
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| 112 | QuoteString(Version.VerStr(),"_:") + '_' + |
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| 113 | QuoteString(Version.Arch(),"_:.") + |
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| 114 | "." + flExtension(Parse.FileName()); |
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| 115 | } |
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| 116 | |
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| 117 | for (; Vf.end() == false; Vf++) |
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| 118 | { |
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| 119 | // Ignore not source sources |
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| 120 | if ((Vf.File()->Flags & pkgCache::Flag::NotSource) != 0) |
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| 121 | continue; |
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| 122 | |
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| 123 | // Try to cross match against the source list |
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| 124 | pkgIndexFile *Index; |
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| 125 | if (Sources->FindIndex(Vf.File(),Index) == false) |
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| 126 | continue; |
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| 127 | |
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| 128 | // Grab the text package record |
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| 129 | pkgRecords::Parser &Parse = Recs->Lookup(Vf); |
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| 130 | if (_error->PendingError() == true) |
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| 131 | return false; |
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| 132 | |
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| 133 | string PkgFile = Parse.FileName(); |
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| 134 | if (PkgFile.empty() == true) |
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| 135 | return _error->Error(_("The package index files are corrupted. No Filename: " |
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| 136 | "field for package %s."), |
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| 137 | Version.ParentPkg().Name()); |
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| 138 | |
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| 139 | string DestFile = directory + "/" + flNotDir(StoreFilename); |
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| 140 | |
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| 141 | // Create the item |
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| 142 | new pkgAcqFileSane(Owner, Index->ArchiveURI(PkgFile), |
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| 143 | Index->ArchiveInfo(Version), |
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| 144 | Version.ParentPkg().Name(), DestFile); |
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| 145 | |
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| 146 | Vf++; |
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| 147 | return true; |
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| 148 | } |
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| 149 | return false; |
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| 150 | } |
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