diff options
Diffstat (limited to 'cmdline/apt-extracttemplates.cc')
| -rw-r--r-- | cmdline/apt-extracttemplates.cc | 189 |
1 files changed, 94 insertions, 95 deletions
diff --git a/cmdline/apt-extracttemplates.cc b/cmdline/apt-extracttemplates.cc index c2b4b1a50..0f7242e98 100644 --- a/cmdline/apt-extracttemplates.cc +++ b/cmdline/apt-extracttemplates.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: apt-extracttemplates.cc,v 1.3 2001/02/25 05:25:29 tausq Exp $ +// $Id: apt-extracttemplates.cc,v 1.4 2001/02/27 04:26:03 jgg Exp $ /* ###################################################################### APT Extract Templates - Program to extract debconf config and template @@ -15,7 +15,6 @@ // Include Files /*{{{*/ #include <apt-pkg/init.h> #include <apt-pkg/cmndline.h> -#include <apt-pkg/debversion.h> #include <apt-pkg/pkgcache.h> #include <apt-pkg/configuration.h> #include <apt-pkg/progress.h> @@ -33,12 +32,12 @@ #include <string.h> #include <stdlib.h> #include <unistd.h> -#include <wait.h> -#include <fstream.h> +#include <fstream> #include <config.h> #include <apti18n.h> #include "apt-extracttemplates.h" + /*}}}*/ #define TMPDIR "/var/lib/debconf/" @@ -48,8 +47,8 @@ pkgCache *DebFile::Cache = 0; // --------------------------------------------------------------------- /* */ DebFile::DebFile(const char *debfile) - : File(debfile, FileFd::ReadOnly), Control(0), DepOp(0), PreDepOp(0), - Config(0), Template(0), Which(None) + : File(debfile, FileFd::ReadOnly), Control(0), DepOp(0), + PreDepOp(0), Config(0), Template(0), Which(None) { } /*}}}*/ @@ -66,21 +65,19 @@ DebFile::~DebFile() // DebFile::GetInstalledVer - Find out the installed version of a pkg /*{{{*/ // --------------------------------------------------------------------- /* */ -char *DebFile::GetInstalledVer(const string &package) +string DebFile::GetInstalledVer(const string &package) { - char *ver = 0; - pkgCache::PkgIterator Pkg = Cache->FindPkg(package); if (Pkg.end() == false) { pkgCache::VerIterator V = Pkg.CurrentVer(); - if (V.end() == false) + if (V.end() == false) { - ver = strdup(V.VerStr()); + return V.VerStr(); } } - return ver; + return string(); } /*}}}*/ // DebFile::Go - Start extracting a debian package /*{{{*/ @@ -89,18 +86,15 @@ char *DebFile::GetInstalledVer(const string &package) bool DebFile::Go() { ARArchive AR(File); + if (_error->PendingError() == true) + return false; + const ARArchive::Member *Member = AR.FindMember("control.tar.gz"); if (Member == 0) - { - fprintf(stderr, _("This is not a valid DEB package.\n")); - return false; - } + return _error->Error(_("%s not a valid DEB package."),File.Name().c_str()); if (File.Seek(Member->Start) == false) - { return false; - } - ExtractTar Tar(File, Member->Size); return Tar.Go(*this); } @@ -138,6 +132,7 @@ bool DebFile::DoItem(Item &I, int &Fd) } else { + // Ignore it Fd = -1; } return true; @@ -171,6 +166,7 @@ bool DebFile::Process(Item &I, const unsigned char *data, bool DebFile::ParseInfo() { if (Control == NULL) return false; + pkgTagSection Section; Section.Scan(Control, ControlLen); @@ -220,35 +216,47 @@ bool DebFile::ParseInfo() // ShowHelp - show a short help text /*{{{*/ // --------------------------------------------------------------------- /* */ -void ShowHelp(void) +int ShowHelp(void) { ioprintf(cout,_("%s %s for %s %s compiled on %s %s\n"),PACKAGE,VERSION, COMMON_OS,COMMON_CPU,__DATE__,__TIME__); - if (_config->FindB("version") == true) return; + if (_config->FindB("version") == true) + return 0; - fprintf(stderr, + cout << _("Usage: apt-extracttemplates file1 [file2 ...]\n" "\n" "apt-extracttemplates is a tool to extract config and template info\n" - "from debian packages\n")); - exit(0); + "from debian packages\n" + "\n" + "Options:\n" + " -h This help text\n" + " -t Set the temp dir\n" + " -c=? Read this configuration file\n" + " -o=? Set an arbitary configuration option, eg -o dir::cache=/tmp\n"); + return 0; } /*}}}*/ // WriteFile - write the contents of the passed string to a file /*{{{*/ // --------------------------------------------------------------------- /* */ -char *WriteFile(const char *prefix, const char *data) +string WriteFile(const char *prefix, const char *data) { char fn[512]; static int i; snprintf(fn, sizeof(fn), "%s%s.%u%d", _config->Find("APT::ExtractTemplates::TempDir", TMPDIR).c_str(), prefix, getpid(), i++); ofstream ofs(fn); - if (!ofs) return NULL; + if (!ofs) + { + _error->Errno("ofstream::ofstream",_("Unable to write to %s"),fn); + return string(); + } + ofs << (data ? data : ""); ofs.close(); - return strdup(fn); + return fn; } /*}}}*/ // WriteConfig - write out the config data from a debian package file /*{{{*/ @@ -256,104 +264,55 @@ char *WriteFile(const char *prefix, const char *data) /* */ void WriteConfig(const DebFile &file) { - char *templatefile = WriteFile("template", file.Template); - char *configscript = WriteFile("config", file.Config); + string templatefile = WriteFile("template", file.Template); + string configscript = WriteFile("config", file.Config); - if (templatefile == 0 || configscript == 0) - { - fprintf(stderr, _("Cannot write config script or templates\n")); + if (templatefile.empty() == true || configscript.empty() == true) return; - } cout << file.Package << " " << file.Version << " " << templatefile << " " << configscript << endl; - - free(templatefile); - free(configscript); } /*}}}*/ // InitCache - initialize the package cache /*{{{*/ // --------------------------------------------------------------------- /* */ -int InitCache(MMap *&Map, pkgCache *&Cache) -{ +bool Go(CommandLine &CmdL) +{ // Initialize the apt cache - if (pkgInitConfig(*_config) == false || pkgInitSystem(*_config, _system) == false) - { - _error->DumpErrors(); - return -1; - } + MMap *Map = 0; pkgSourceList List; List.ReadMainList(); OpProgress Prog; pkgMakeStatusCache(List,Prog,&Map,true); - Cache = new pkgCache(Map); - return 0; -} - /*}}}*/ - -int main(int argc, const char **argv) -{ - MMap *Map = 0; - const char *debconfver = NULL; - - CommandLine::Args Args[] = { - {'h',"help","help",0}, - {'v',"version","version",0}, - {'t',"tempdir","APT::ExtractTemplates::TempDir",CommandLine::HasArg}, - {'c',"config-file",0,CommandLine::ConfigFile}, - {'o',"option",0,CommandLine::ArbItem}, - {0,0,0,0}}; - - // Initialize the package cache - if (InitCache(Map, DebFile::Cache) < 0 || Map == 0 || DebFile::Cache == 0) - { - fprintf(stderr, _("Cannot initialize APT cache\n")); - return 100; - } - - // Parse the command line - CommandLine CmdL(Args,_config); - if (CmdL.Parse(argc,argv) == false) - { - fprintf(stderr, _("Cannot parse commandline options\n")); - return 100; - } - - // See if the help should be shown - if (_config->FindB("help") == true || CmdL.FileSize() == 0) - { - ShowHelp(); - return 0; - } + DebFile::Cache = new pkgCache(Map); + if (_error->PendingError() == true) + return false; // Find out what version of debconf is currently installed - if ((debconfver = DebFile::GetInstalledVer("debconf")) == NULL) - { - fprintf(stderr, _("Cannot get debconf version. Is debconf installed?\n")); - return 1; - } + string debconfver = DebFile::GetInstalledVer("debconf"); + if (debconfver.empty() == true) + return _error->Error( _("Cannot get debconf version. Is debconf installed?")); // Process each package passsed in for (unsigned int I = 0; I != CmdL.FileSize(); I++) { + // Will pick up the errors later.. DebFile file(CmdL.FileList[I]); - if (file.Go() == false) - { - fprintf(stderr, _("Cannot read %s\n"), CmdL.FileList[I]); - continue; - } + if (file.Go() == false) + continue; + // Does the package have templates? if (file.Template != 0 && file.ParseInfo() == true) { // Check to make sure debconf dependencies are // satisfied if (file.DepVer != "" && - DebFile::Cache->VS->CheckDep(file.DepVer.c_str(), - file.DepOp, debconfver) == false) + DebFile::Cache->VS->CheckDep(file.DepVer.c_str(), + file.DepOp, debconfver.c_str()) == false) continue; if (file.PreDepVer != "" && DebFile::Cache->VS->CheckDep(file.PreDepVer.c_str(), - file.PreDepOp, debconfver) == false) + file.PreDepOp, debconfver.c_str()) == false) continue; WriteConfig(file); @@ -363,6 +322,46 @@ int main(int argc, const char **argv) delete Map; delete DebFile::Cache; + + return !_error->PendingError(); +} + /*}}}*/ + +int main(int argc, const char **argv) +{ + CommandLine::Args Args[] = { + {'h',"help","help",0}, + {'v',"version","version",0}, + {'t',"tempdir","APT::ExtractTemplates::TempDir",CommandLine::HasArg}, + {'c',"config-file",0,CommandLine::ConfigFile}, + {'o',"option",0,CommandLine::ArbItem}, + {0,0,0,0}}; + + // Parse the command line and initialize the package library + CommandLine CmdL(Args,_config); + if (pkgInitConfig(*_config) == false || + CmdL.Parse(argc,argv) == false || + pkgInitSystem(*_config,_system) == false) + { + _error->DumpErrors(); + return 100; + } + + // See if the help should be shown + if (_config->FindB("help") == true || + CmdL.FileSize() == 0) + return ShowHelp(); + + Go(CmdL); + // Print any errors or warnings found during operation + if (_error->empty() == false) + { + // This goes to stderr.. + bool Errors = _error->PendingError(); + _error->DumpErrors(); + return Errors == true?100:0; + } + return 0; } |