/usr/include/apt-pkg/statechanges.h is in libapt-pkg-dev 1.6.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | #include <apt-pkg/cacheset.h>
#include <apt-pkg/macros.h>
#include <apt-pkg/pkgcache.h>
#include <memory>
namespace APT
{
/** Simple wrapper class to abstract away the differences in storing different
* states in different places potentially in different versions.
*/
class APT_PUBLIC StateChanges
{
public:
// getter/setter for the different states
#define APT_GETTERSETTER(Name) \
APT::VersionVector& Name(); \
void Name(pkgCache::VerIterator const &Ver)
APT_GETTERSETTER(Hold);
APT_GETTERSETTER(Unhold);
APT_GETTERSETTER(Install);
APT_GETTERSETTER(Remove);
APT_GETTERSETTER(Purge);
APT::VersionVector& Error();
#undef APT_GETTERSETTER
// operate on all containers at once
void clear();
bool empty() const;
/** commit the staged changes to the database(s).
*
* Makes the needed calls to store the requested states.
* After this call the state containers will hold only versions
* for which the storing operation succeeded. Versions where the
* storing operation failed are collected in #Error(). Note that
* error is an upper bound as states are changed in batches so it
* isn't always clear which version triggered the failure exactly.
*
* @param DiscardOutput controls if stdout/stderr should be used
* by subprocesses for (detailed) error reporting if needed.
* @return \b false if storing failed, true otherwise.
* Note that some states might be applied even if the whole operation failed.
*/
bool Save(bool const DiscardOutput = false);
StateChanges();
StateChanges(StateChanges&&);
StateChanges& operator=(StateChanges&&);
~StateChanges();
private:
class APT_HIDDEN Private;
std::unique_ptr<Private> d;
};
}
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