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* Revived the old "nix-store --delete" operation that deletes the

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specified paths from the Nix store.  However, this operation is
  safe: it refuses to delete anything that the garbage collector
  wouldn't delete.
This commit is contained in:
Eelco Dolstra 2005-12-23 21:08:42 +00:00
parent 3c5619c7e4
commit 4b9e7f59ca
4 changed files with 45 additions and 11 deletions
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5
src/libstore/gc.hh
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@ -10,6 +10,7 @@ typedef enum {
gcReturnLive,
gcReturnDead,
gcDeleteDead,
gcDeleteSpecific,
} GCAction;
/* If `action' is set to `gcReturnRoots', find and return the set of
@ -19,8 +20,8 @@ typedef enum {
closure of) the roots. If `action' is `gcReturnDead', return the
set of paths not reachable from the roots. If `action' is
`gcDeleteDead', actually delete the latter set. */
void collectGarbage(GCAction action, PathSet & result,
unsigned long long & bytesFreed);
void collectGarbage(GCAction action, const PathSet & pathsToDelete,
PathSet & result, unsigned long long & bytesFreed);
/* Register a temporary GC root. This root will automatically
disappear when this process exits. WARNING: this function should