From e1b74f61dfb6980d643cb7c666c761ff3bda2f1e Mon Sep 17 00:00:00 2001 From: Arch Librarian Date: Mon, 20 Sep 2004 16:50:59 +0000 Subject: Sync Author: jgg Date: 1998-09-26 05:34:18 GMT Sync --- cmdline/apt-cache.cc | 168 +++++++++++++++++++++++++-------------------------- 1 file changed, 81 insertions(+), 87 deletions(-) (limited to 'cmdline/apt-cache.cc') diff --git a/cmdline/apt-cache.cc b/cmdline/apt-cache.cc index 85405941e..a4f34c61a 100644 --- a/cmdline/apt-cache.cc +++ b/cmdline/apt-cache.cc @@ -1,23 +1,14 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: apt-cache.cc,v 1.7 1998/09/22 05:30:30 jgg Exp $ +// $Id: apt-cache.cc,v 1.8 1998/09/26 05:34:29 jgg Exp $ /* ###################################################################### - apt-cache - Manages the cache file. + apt-cache - Manages the cache files - This program should eventually handle both low and high level - manipulation of the cache file. Depending how far things go it - might get quite a sophisticated UI. - - Currently the command line is as follows: - apt-cache add cache file1:dist:ver file2:dist:ver ... - ie: - apt-cache add ./cache Pacakges:hamm:1.0 - - A usefull feature is 'upgradable' ie - apt-cache upgradable ./cache - will list .debs that should be installed to make all packages the latest - version. + apt-cache provides some functions fo manipulating the cache files. + It uses the command line interface common to all the APT tools. The + only really usefull function right now is dumpavail which is used + by the dselect method. Everything else is ment as a debug aide. Returns 100 on failure, 0 on success. @@ -33,52 +24,20 @@ #include #include -#include - +#include /*}}}*/ -string CacheFile; - -// SplitArg - Split the triple /*{{{*/ -// --------------------------------------------------------------------- -/* */ -bool SplitArg(const char *Arg,string &File,string &Dist,string Ver) -{ - const char *Start = Arg; - const char *I = Arg; - for (;*I != 0 && *I != ':'; I++); - if (*I != ':') - return _error->Error("Malformed argument %s, must be in file:dist:rev form",Arg); - File = string(Start,I - Start); - - I++; - Start = I; - for (;*I != 0 && *I != ':'; I++); - if (*I != ':') - return _error->Error("Malformed argument %s, must be in file:dist:rev form",Arg); - Dist = string(Start,I - Start); - - I++; - Start = I; - for (;*I != 0 && *I != ':'; I++); - if (I == Start) - return _error->Error("Malformed argument %s, must be in file:dist:rev form",Arg); - Ver = string(Start,I - Start); - - return true; -} - /*}}}*/ // DumpPackage - Show a dump of a package record /*{{{*/ // --------------------------------------------------------------------- /* */ -bool DumpPackage(pkgCache &Cache,int argc,const char *argv[]) +bool DumpPackage(pkgCache &Cache,CommandLine &CmdL) { - for (int I = 0; I != argc; I++) + for (const char **I = CmdL.FileList + 1; *I != 0; I++) { - pkgCache::PkgIterator Pkg = Cache.FindPkg(argv[I]); + pkgCache::PkgIterator Pkg = Cache.FindPkg(*I); if (Pkg.end() == true) { - _error->Warning("Unable to locate package %s",argv[0]); + _error->Warning("Unable to locate package %s",*I); continue; } @@ -256,14 +215,14 @@ bool DumpAvail(pkgCache &Cache) // DoAdd - Perform an adding operation /*{{{*/ // --------------------------------------------------------------------- /* */ -bool DoAdd(int argc,const char *argv[]) +bool DoAdd(CommandLine &CmdL) { - string FileName; - string Dist; - string Ver; + // Make sure there is at least one argument + if (CmdL.FileSize() <= 1) + return _error->Error("You must give at least one file name"); // Open the cache - FileFd CacheF(CacheFile,FileFd::WriteEmpty); + FileFd CacheF(_config->FindDir("Dir::Cache::srcpkgcache"),FileFd::ReadOnly); if (_error->PendingError() == true) return false; @@ -276,19 +235,18 @@ bool DoAdd(int argc,const char *argv[]) if (_error->PendingError() == true) return false; - for (int I = 0; I != argc; I++) + unsigned long Length = CmdL.FileSize() - 1; + for (const char **I = CmdL.FileList + 1; *I != 0; I++) { - Progress.OverallProgress(I,argc,1,"Generating cache"); - if (SplitArg(argv[I],FileName,Dist,Ver) == false) - return false; + Progress.OverallProgress(I - CmdL.FileList,Length,1,"Generating cache"); // Do the merge - FileFd TagF(FileName.c_str(),FileFd::ReadOnly); + FileFd TagF(*I,FileFd::ReadOnly); debListParser Parser(TagF); if (_error->PendingError() == true) - return _error->Error("Problem opening %s",FileName.c_str()); + return _error->Error("Problem opening %s",*I); - if (Gen.SelectFile(FileName) == false) + if (Gen.SelectFile(*I) == false) return _error->Error("Problem with SelectFile"); if (Gen.MergeList(Parser) == false) @@ -312,46 +270,83 @@ bool GenCaches() return pkgMakeStatusCache(List,Progress); } /*}}}*/ +// ShowHelp - Show a help screen /*{{{*/ +// --------------------------------------------------------------------- +/* */ +int ShowHelp() +{ + cout << PACKAGE << ' ' << VERSION << " for " << ARCHITECTURE << + " compiled on " << __DATE__ << " " << __TIME__ << endl; + + cout << "Usage: apt-cache [options] command" << endl; + cout << " apt-cache [options] add file1 [file1 ...]" << endl; + cout << " apt-cache [options] showpkg pkg2 [pkg2 ...]" << endl; + cout << endl; + cout << "apt-cache is a low-level tool used to manipulate APT's binary" << endl; + cout << "cache files stored in " << _config->FindDir("Dir::Cache") << endl; + cout << "It is not ment for ordinary use only as a debug aide." << endl; + cout << endl; + cout << "Commands:" << endl; + cout << " add - Add an package file to the source cache" << endl; + cout << " gencaches - Build both the package and source cache" << endl; + cout << " showpkg - Show some general information for a single package" << endl; + cout << " stats - Show some basic statistics" << endl; + cout << " dump - Show the entire file in a terse form" << endl; + cout << " dumpavail - Print an available file to stdout" << endl; + cout << endl; + cout << "Options:" << endl; + cout << " -h This help text." << endl; + cout << " -p=? The package cache. [" << _config->FindDir("Dir::Cache::pkgcache") << ']' << endl; + cout << " -s=? The source cache. [" << _config->FindDir("Dir::Cache::srcpkgcache") << ']' << endl; + cout << " -q Disable progress indicator. " << endl; + cout << " -c=? Read this configuration file" << endl; + cout << " -o=? Set an arbitary configuration option, ie -o dir::cache=/tmp" << endl; + cout << "See the apt-cache(8) and apt.conf(8) manual pages for more information." << endl; + return 100; +} + /*}}}*/ int main(int argc,const char *argv[]) { CommandLine::Args Args[] = { {'h',"help","help",0}, + {'p',"pkg-cache","Dir::Cache::pkgcache",CommandLine::HasArg}, + {'s',"src-cache","Dir::Cache::srcpkgcache",CommandLine::HasArg}, + {'q',"quiet","quiet",CommandLine::IntLevel}, + {'c',"config-file",0,CommandLine::ConfigFile}, + {'o',"option",0,CommandLine::ArbItem}, {0,0,0,0}}; - - CommandLine Cmds(Args,_config); + + // Parse the command line and initialize the package library + CommandLine CmdL(Args,_config); if (pkgInitialize(*_config) == false || - Cmds.Parse(argc,argv) == false) + CmdL.Parse(argc,argv) == false) { _error->DumpErrors(); return 100; - } - cout << _config->Find("help") << endl; - - // Check arguments. - if (argc < 3) - { - cerr << "Usage is apt-cache add cache file1:dist:ver file2:dist:ver ..." << endl; - return 100; } + // See if the help should be shown + if (_config->FindB("help") == true || + CmdL.FileSize() == 0) + return ShowHelp(); + while (1) { - CacheFile = argv[2]; - if (strcmp(argv[1],"add") == 0) + if (strcmp(CmdL.FileList[0],"add") == 0) { - DoAdd(argc - 3,argv + 3); + DoAdd(CmdL); break; } - if (strcmp(argv[1],"gencaches") == 0) + if (strcmp(CmdL.FileList[0],"gencaches") == 0) { GenCaches(); break; } // Open the cache file - FileFd CacheF(CacheFile,FileFd::ReadOnly); + FileFd CacheF(_config->FindDir("Dir::Cache::pkgcache"),FileFd::ReadOnly); if (_error->PendingError() == true) break; @@ -363,32 +358,31 @@ int main(int argc,const char *argv[]) if (_error->PendingError() == true) break; - if (strcmp(argv[1],"showpkg") == 0) + if (strcmp(CmdL.FileList[0],"showpkg") == 0) { - CacheFile = argv[2]; - DumpPackage(Cache,argc - 3,argv + 3); + DumpPackage(Cache,CmdL); break; } - if (strcmp(argv[1],"stats") == 0) + if (strcmp(CmdL.FileList[0],"stats") == 0) { Stats(Cache); break; } - if (strcmp(argv[1],"dump") == 0) + if (strcmp(CmdL.FileList[0],"dump") == 0) { Dump(Cache); break; } - if (strcmp(argv[1],"dumpavail") == 0) + if (strcmp(CmdL.FileList[0],"dumpavail") == 0) { DumpAvail(Cache); break; } - _error->Error("Invalid operation %s", argv[1]); + _error->Error("Invalid operation %s", CmdL.FileList[0]); break; } -- cgit v1.2.3