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* Put the garbage collector in nix-store: operation `--gc',

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suboperations `--print-live', `--print-dead', and `--delete'.  The
  roots are not determined by nix-store; they are read from standard
  input.  This is to make it easy to customise what the roots are.

  The collector now no longer fails when store expressions are missing
  (which legally happens when using substitutes).  It never tries to
  fetch paths through substitutes.

  TODO: acquire a global lock on the store while garbage collecting.
  
* Removed `nix-store --delete'.
This commit is contained in:
Eelco Dolstra 2004-08-25 11:43:49 +00:00
parent 9994c1dd9f
commit 818047881e
6 changed files with 167 additions and 19 deletions
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2
src/libstore/store.cc
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@ -388,7 +388,7 @@ static void invalidatePath(const Path & path, Transaction & txn)
subs2.push_back(*j);
else
found = true;
if (!found) throw Error("integrity error in substitutes mapping");
// !!! if (!found) throw Error("integrity error in substitutes mapping");
writeSubstitutes(txn, *i, subs);
/* If path *i now has no substitutes left, and is not valid,