// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: apt-extracttemplates.cc,v 1.2 2001/02/25 04:53:59 tausq Exp $
+// $Id: apt-extracttemplates.cc,v 1.15 2003/07/26 00:00:11 mdz Exp $
/* ######################################################################
APT Extract Templates - Program to extract debconf config and template
/*}}}*/
// Include Files /*{{{*/
#include <apt-pkg/init.h>
-#if APT_PKG_MAJOR >= 3
-#define APT_COMPATIBILITY 986
-#include <apt-pkg/debversion.h>
-#endif
+#include <apt-pkg/cmndline.h>
#include <apt-pkg/pkgcache.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/progress.h>
#include <apt-pkg/deblistparser.h>
#include <apt-pkg/error.h>
#include <apt-pkg/strutl.h>
+#include <apt-pkg/fileutl.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
-#define _GNU_SOURCE
-#include <getopt.h>
-#include <wait.h>
-#include <fstream.h>
+#include <fstream>
+#include <locale.h>
#include <config.h>
#include <apti18n.h>
#include "apt-extracttemplates.h"
+ /*}}}*/
+
+using namespace std;
-#define TMPDIR "/var/lib/debconf/"
+#define TMPDIR "/tmp"
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)
{
}
/*}}}*/
// 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 /*{{{*/
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);
+ ExtractTar Tar(File, Member->Size,"gzip");
return Tar.Go(*this);
}
/*}}}*/
}
else
{
+ // Ignore it
Fd = -1;
}
return true;
bool DebFile::ParseInfo()
{
if (Control == NULL) return false;
+
pkgTagSection Section;
Section.Scan(Control, ControlLen);
// 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__);
- fprintf(stderr,
+ if (_config->FindB("version") == true)
+ return 0;
+
+ 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 arbitrary 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 *package, const char *prefix, const char *data)
{
char fn[512];
static int i;
- snprintf(fn, sizeof(fn), "%s%s.%u%d", TMPDIR, prefix, getpid(), i++);
+ char *tempdir = NULL;
+
+ tempdir = getenv("TMPDIR");
+ if (tempdir == NULL)
+ tempdir = TMPDIR;
- ofstream ofs(fn);
- if (!ofs) return NULL;
- ofs << (data ? data : "");
- ofs.close();
- return strdup(fn);
+ snprintf(fn, sizeof(fn), "%s/%s.%s.%u%d",
+ _config->Find("APT::ExtractTemplates::TempDir", tempdir).c_str(),
+ package, prefix, getpid(), i++);
+ FileFd f;
+ if (data == NULL)
+ data = "";
+
+ if (!f.Open(fn, FileFd::WriteTemp, 0600))
+ {
+ _error->Errno("ofstream::ofstream",_("Unable to write to %s"),fn);
+ return string();
+ }
+
+ f.Write(data, strlen(data));
+ f.Close();
+ return fn;
}
/*}}}*/
// WriteConfig - write out the config data from a debian package file /*{{{*/
/* */
void WriteConfig(const DebFile &file)
{
- char *templatefile = WriteFile("template", file.Template);
- char *configscript = WriteFile("config", file.Config);
+ string templatefile = WriteFile(file.Package.c_str(), "template", file.Template);
+ string configscript = WriteFile(file.Package.c_str(), "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, char **argv, char **env)
-{
- int idx = 0;
- char **debs = 0;
- int numdebs = 0;
- MMap *Map = 0;
- const char *debconfver = NULL;
-
- // Initialize the package cache
- if (InitCache(Map, DebFile::Cache) < 0 || Map == 0 || DebFile::Cache == 0)
- {
- fprintf(stderr, _("Cannot initialize APT cache\n"));
- return 100;
- }
+ if (Map == 0)
+ return false;
+ 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
- numdebs = argc - 1;
- debs = new char *[numdebs];
- memcpy(debs, &argv[1], sizeof(char *) * numdebs);
-
- if (numdebs < 1) ShowHelp();
-
- for (idx = 0; idx < numdebs; idx++)
+ for (unsigned int I = 0; I != CmdL.FileSize(); I++)
{
- DebFile file(debs[idx]);
- if (file.Go() == false)
+ // Will pick up the errors later..
+ DebFile file(CmdL.FileList[I]);
+ if (file.Go() == false)
{
- fprintf(stderr, _("Cannot read %s\n"), debs[idx]);
+ _error->Error("Prior errors apply to %s",CmdL.FileList[I]);
continue;
}
+
// Does the package have templates?
if (file.Template != 0 && file.ParseInfo() == true)
{
// Check to make sure debconf dependencies are
// satisfied
+ // cout << "Check " << file.DepVer << ',' << debconfver << endl;
if (file.DepVer != "" &&
- pkgCheckDep(file.DepVer.c_str(),
- debconfver, file.DepOp) == false)
+ DebFile::Cache->VS->CheckDep(debconfver.c_str(),
+ file.DepOp,file.DepVer.c_str()
+ ) == false)
continue;
if (file.PreDepVer != "" &&
- pkgCheckDep(file.PreDepVer.c_str(),
- debconfver, file.PreDepOp) == false)
+ DebFile::Cache->VS->CheckDep(debconfver.c_str(),
+ file.PreDepOp,file.PreDepVer.c_str()
+ ) == false)
continue;
WriteConfig(file);
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}};
+
+ // Set up gettext support
+ setlocale(LC_ALL,"");
+ textdomain(PACKAGE);
+
+ // 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;
}
projects / apt.git / blobdiff