src/nix-env/profiles.hh


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#ifndef __PROFILES_H
#define __PROFILES_H

#include <string>

#include "util.hh"


struct Generation
{
    int number;
    Path path;
    time_t creationTime;
    Generation()
    {
        number = -1;
    }
    operator bool() const
    {
        return number != -1;
    }
};

typedef list<Generation> Generations;


/* Returns the list of currently present generations for the specified
   profile, sorted by generation number. */
Generations findGenerations(Path profile, int & curGen);
    
Path createGeneration(Path profile, Path outPath, Path drvPath);

void deleteGeneration(const Path & profile, unsigned int gen);

void switchLink(Path link, Path target);


#endif /* !__PROFILES_H */