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#include <config.h>
#include <apt-pkg/cachefile.h>
#include <apt-pkg/cmndline.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/error.h>
#include <apt-pkg/fileutl.h>
#include <apt-pkg/hashes.h>
#include <apt-pkg/sourcelist.h>
#include <apt-pkg/strutl.h>
#include <apt-private/private-output.h>
#include <apt-private/private-sources.h>
#include <apt-private/private-utils.h>
#include <cstddef>
#include <iostream>
#include <string>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <apti18n.h>
/* Interface discussion with donkult (for the future):
apt [add-{archive,release,component}|edit|change-release|disable]-sources
and be clever and work out stuff from the Release file
*/
// EditSource - EditSourcesList /*{{{*/
class APT_HIDDEN ScopedGetLock {
public:
int fd;
explicit ScopedGetLock(std::string const &filename) : fd(GetLock(filename)) {}
~ScopedGetLock() { close(fd); }
};
bool EditSources(CommandLine &CmdL)
{
std::string sourceslist;
if (CmdL.FileList[1] != NULL)
{
sourceslist = _config->FindDir("Dir::Etc::sourceparts") + CmdL.FileList[1];
if (!APT::String::Endswith(sourceslist, ".list"))
sourceslist += ".list";
} else {
sourceslist = _config->FindFile("Dir::Etc::sourcelist");
}
HashString before;
if (FileExists(sourceslist))
before.FromFile(sourceslist);
else
{
FileFd filefd;
if (filefd.Open(sourceslist, FileFd::Create | FileFd::WriteOnly, FileFd::None, 0644) == false)
return false;
}
ScopedGetLock lock(sourceslist);
if (lock.fd < 0)
return false;
bool res;
bool file_changed = false;
do {
if (EditFileInSensibleEditor(sourceslist) == false)
return false;
if (before.empty())
{
struct stat St;
if (stat(sourceslist.c_str(), &St) == 0 && St.st_size == 0)
RemoveFile("edit-sources", sourceslist);
}
else if (FileExists(sourceslist) && !before.VerifyFile(sourceslist))
{
file_changed = true;
pkgCacheFile::RemoveCaches();
}
pkgCacheFile CacheFile;
res = CacheFile.BuildCaches(nullptr);
if (res == false || _error->empty(GlobalError::WARNING) == false) {
std::string outs;
strprintf(outs, _("Failed to parse %s. Edit again? "), sourceslist.c_str());
// FIXME: should we add a "restore previous" option here?
if (YnPrompt(outs.c_str(), true) == false)
{
if (res == false && _error->PendingError() == false)
{
CacheFile.Close();
pkgCacheFile::RemoveCaches();
res = CacheFile.BuildCaches(nullptr);
}
break;
}
}
} while (res == false);
if (res == true && file_changed == true)
{
ioprintf(
std::cout, _("Your '%s' file changed, please run 'apt-get update'.\n"),
sourceslist.c_str());
}
return res;
}
/*}}}*/
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