[280] | 1 | |
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| 2 | #include <apt-pkg/error.h> |
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| 3 | #include <apt-pkg/progress.h> |
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| 4 | #include <apt-pkg/strutl.h> |
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| 5 | #include <apt-pkg/fileutl.h> |
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| 6 | #include <apt-pkg/configuration.h> |
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| 7 | #include <apt-pkg/tagfile.h> |
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| 8 | |
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| 9 | #include <iostream> |
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| 10 | #include <map> |
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| 11 | #include <unistd.h> |
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| 12 | #include <sys/stat.h> |
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| 13 | #include <stdio.h> |
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| 14 | |
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| 15 | #include "rpmindexcopy.h" |
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| 16 | |
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| 17 | #include "i18n.h" |
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| 18 | |
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| 19 | using namespace std; |
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| 20 | |
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| 21 | string RPMIndexCopy::RipComponent(string Path) |
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| 22 | { |
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| 23 | const char *begin; |
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| 24 | const char *end; |
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| 25 | |
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| 26 | end = strrchr(Path.c_str(), '.'); |
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| 27 | begin = strchr(strrchr(Path.c_str(), '/'), '.') + 1; |
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| 28 | if (begin < strrchr(end, '/')) |
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| 29 | return string(end + 1); |
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| 30 | |
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| 31 | return string(begin, end); |
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| 32 | } |
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| 33 | |
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| 34 | |
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| 35 | string RPMIndexCopy::RipDistro(string Path) |
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| 36 | { |
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| 37 | return string(Path, 0, Path.find("base") - 1); |
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| 38 | } |
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| 39 | |
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| 40 | |
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| 41 | string RPMIndexCopy::RipDirectory(string Path) |
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| 42 | { |
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| 43 | return string(Path, 0, Path.rfind('/')); |
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| 44 | } |
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| 45 | |
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| 46 | #if 0 |
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| 47 | static int strrcmp_(const char *a, const char *b) |
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| 48 | { |
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| 49 | int la = strlen(a); |
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| 50 | int lb = strlen(b); |
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| 51 | |
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| 52 | if (la == 0 || lb == 0) |
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| 53 | return 0; |
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| 54 | |
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| 55 | if (la > lb) |
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| 56 | return strcmp(&a[la - lb], b); |
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| 57 | else |
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| 58 | return strcmp(&b[lb - la], a); |
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| 59 | } |
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| 60 | #endif |
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| 61 | |
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| 62 | bool RPMIndexCopy::CopyPackages(string CDROM, string Name, |
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| 63 | vector<string> &List) |
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| 64 | { |
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| 65 | OpTextProgress Progress; |
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| 66 | |
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| 67 | if (List.size() == 0) |
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| 68 | return true; |
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| 69 | |
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| 70 | // Prepare the progress indicator |
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| 71 | unsigned long TotalSize = 0; |
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| 72 | for (vector<string>::iterator I = List.begin(); I != List.end(); I++) { |
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| 73 | struct stat Buf; |
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| 74 | if (stat((*I).c_str(), &Buf) != 0) |
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| 75 | return _error->Errno("stat", _("Stat failed for %s"), (*I).c_str()); |
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| 76 | TotalSize += Buf.st_size; |
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| 77 | } |
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| 78 | |
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| 79 | unsigned long CurrentSize = 0; |
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| 80 | |
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| 81 | // Keep track of global release processing |
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| 82 | map<string, bool> GlobalReleases; |
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| 83 | |
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| 84 | for (vector<string>::iterator I = List.begin(); I != List.end(); I++) { |
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| 85 | string OrigPath = string(*I, CDROM.length()); |
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| 86 | unsigned long FileSize = 0; |
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| 87 | |
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| 88 | // Open the package file |
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| 89 | FileFd Pkg; |
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| 90 | string File = *I; |
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| 91 | |
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| 92 | if (strcmp(File.c_str() + File.length() - 4, ".bz2") == 0) |
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| 93 | File = string(File, 0, File.length() - 4); |
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| 94 | |
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| 95 | if (FileExists(File) == true) { |
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| 96 | Pkg.Open(File, FileFd::ReadOnly); |
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| 97 | FileSize = Pkg.Size(); |
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| 98 | } else { |
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| 99 | FileFd From(*I, FileFd::ReadOnly); |
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| 100 | if (_error->PendingError() == true) |
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| 101 | return false; |
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| 102 | FileSize = From.Size(); |
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| 103 | |
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| 104 | // Get a temp file |
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| 105 | FILE *tmp = tmpfile(); |
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| 106 | if (tmp == 0) |
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| 107 | return _error->Errno("tmpfile", _("Unable to create a tmp file")); |
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| 108 | Pkg.Fd(dup(fileno(tmp))); |
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| 109 | fclose(tmp); |
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| 110 | |
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| 111 | // Fork bzip2 |
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| 112 | int Process = fork(); |
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| 113 | if (Process < 0) |
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| 114 | return _error->Errno("fork", |
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| 115 | "Internal Error: couldn't fork bzip2. Please report."); |
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| 116 | |
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| 117 | // The child |
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| 118 | if (Process == 0) { |
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| 119 | dup2(From.Fd(), STDIN_FILENO); |
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| 120 | dup2(Pkg.Fd(), STDOUT_FILENO); |
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| 121 | SetCloseExec(STDIN_FILENO, false); |
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| 122 | SetCloseExec(STDOUT_FILENO, false); |
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| 123 | |
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| 124 | const char *Args[3]; |
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| 125 | Args[0] = _config->Find("Dir::Bin::bzip2", "bzip2").c_str(); |
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| 126 | Args[1] = "-d"; |
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| 127 | Args[2] = 0; |
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| 128 | execvp(Args[0], (char **)Args); |
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| 129 | exit(100); |
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| 130 | } |
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| 131 | // Wait for gzip to finish |
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| 132 | if (ExecWait |
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| 133 | (Process, _config->Find("Dir::Bin::bzip2", "bzip2").c_str(), |
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| 134 | false) == false) |
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| 135 | return _error->Error(_("bzip2 failed, perhaps the disk is full.")); |
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| 136 | |
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| 137 | Pkg.Seek(0); |
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| 138 | } |
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| 139 | if (_error->PendingError() == true) |
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| 140 | return false; |
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| 141 | |
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| 142 | // Open the output file |
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| 143 | char S[400]; |
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| 144 | sprintf(S, "cdrom:[%s]/%s", Name.c_str(), File.c_str() + CDROM.length()); |
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| 145 | string TargetF = _config->FindDir("Dir::State::lists") + "partial/"; |
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| 146 | TargetF += URItoFileName(S); |
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| 147 | if (_config->FindB("APT::CDROM::NoAct", false) == true) |
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| 148 | TargetF = "/dev/null"; |
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| 149 | FileFd Target(TargetF, FileFd::WriteEmpty); |
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| 150 | if (_error->PendingError() == true) |
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| 151 | return false; |
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| 152 | |
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| 153 | // Setup the progress meter |
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| 154 | Progress.OverallProgress(CurrentSize, TotalSize, FileSize, |
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| 155 | string("Reading Indexes")); |
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| 156 | |
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| 157 | // Parse |
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| 158 | Progress.SubProgress(Pkg.Size()); |
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| 159 | |
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| 160 | if (!CopyFile(Pkg, Target)) |
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| 161 | return false; |
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| 162 | |
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| 163 | if (_config->FindB("APT::CDROM::NoAct", false) == false) { |
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| 164 | // Move out of the partial directory |
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| 165 | Target.Close(); |
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| 166 | string FinalF = _config->FindDir("Dir::State::lists"); |
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| 167 | FinalF += URItoFileName(S); |
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| 168 | if (rename(TargetF.c_str(), FinalF.c_str()) != 0) |
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| 169 | return _error->Errno("rename", _("Failed to rename")); |
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| 170 | |
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| 171 | // Two release steps, one for global, one for component |
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| 172 | string release = "release"; |
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| 173 | for (int Step = 0; Step != 2; Step++) { |
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| 174 | if (Step == 0) { |
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| 175 | if (GlobalReleases.find(*I) != GlobalReleases.end()) |
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| 176 | continue; |
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| 177 | GlobalReleases[*I] = true; |
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| 178 | } else |
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| 179 | release += "." + RipComponent(*I); |
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| 180 | |
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| 181 | // Copy the component release file |
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| 182 | sprintf(S, "cdrom:[%s]/%s/%s", Name.c_str(), |
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| 183 | RipDirectory(*I).c_str() + CDROM.length(), |
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| 184 | release.c_str()); |
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| 185 | string TargetF = |
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| 186 | _config->FindDir("Dir::State::lists") + "partial/"; |
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| 187 | TargetF += URItoFileName(S); |
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| 188 | if (FileExists(RipDirectory(*I) + release) == true) { |
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| 189 | FileFd Target(TargetF, FileFd::WriteEmpty); |
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| 190 | FileFd Rel(RipDirectory(*I) + release, FileFd::ReadOnly); |
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| 191 | if (_error->PendingError() == true) |
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| 192 | return false; |
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| 193 | |
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| 194 | if (CopyFile(Rel, Target) == false) |
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| 195 | return false; |
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| 196 | } else { |
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| 197 | // Empty release file |
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| 198 | FileFd Target(TargetF, FileFd::WriteEmpty); |
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| 199 | } |
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| 200 | |
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| 201 | // Rename the release file |
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| 202 | FinalF = _config->FindDir("Dir::State::lists"); |
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| 203 | FinalF += URItoFileName(S); |
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| 204 | if (rename(TargetF.c_str(), FinalF.c_str()) != 0) |
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| 205 | return _error->Errno("rename", _("Failed to rename")); |
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| 206 | } |
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| 207 | } |
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| 208 | |
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| 209 | string Prefix = ""; |
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| 210 | /* Mangle the source to be in the proper notation with |
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| 211 | prefix dist [component] */ |
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| 212 | // *I = string(*I,Prefix.length()); |
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| 213 | ConvertToSourceList(CDROM, *I); |
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| 214 | *I = Prefix + ' ' + *I; |
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| 215 | |
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| 216 | CurrentSize += FileSize; |
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| 217 | } |
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| 218 | Progress.Done(); |
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| 219 | |
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| 220 | return true; |
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| 221 | } |
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| 222 | |
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| 223 | |
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| 224 | |
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| 225 | |
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| 226 | void RPMIndexCopy::ConvertToSourceList(string CD, string &Path) |
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| 227 | { |
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| 228 | Path = string(Path, CD.length()); |
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| 229 | |
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| 230 | Path = RipDistro(Path) + " " + RipComponent(Path); |
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| 231 | } |
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| 232 | |
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| 233 | // vim:sts=3:sw=3 |
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