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nix-collect-garbage: Don't call nix-env

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Also, make sure --delete-older-than doesn't delete the current
generation.
This commit is contained in:
Eelco Dolstra 2015-05-21 16:26:03 +02:00
parent 22b1a8d43f
commit 4ca5a9dcfd
4 changed files with 110 additions and 69 deletions
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10
src/libstore/profiles.hh
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@ -30,11 +30,19 @@ 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);
void deleteGeneration(const Path & profile, unsigned int gen);
void deleteGenerations(const Path & profile, const std::set<unsigned int> & gensToDelete, bool dryRun);
void deleteOldGenerations(const Path & profile, bool dryRun);
void deleteGenerationsOlderThan(const Path & profile, time_t t, bool dryRun);
void deleteGenerationsOlderThan(const Path & profile, const string & timeSpec, bool dryRun);
void switchLink(Path link, Path target);
/* Ensure exclusive access to a profile. Any command that modifies