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* Operation `--delete-generations' to delete generations of a

Browse source 
profile.  Arguments are either generation number, or `old' to delete
  all non-current generations.  Typical use:

  $ nix-env --delete-generations old
  $ nix-collect-garbage

* istringstream -> string2Int.
This commit is contained in:
Eelco Dolstra 2004-09-10 13:32:08 +00:00
parent c16be6ac92
commit dcc433de47
8 changed files with 100 additions and 33 deletions
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4
src/libmain/shared.cc
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@ -155,10 +155,8 @@ static void initAndRun(int argc, char * * argv)
else if (arg == "--max-jobs" || arg == "-j") {
++i;
if (i == args.end()) throw UsageError("`--max-jobs' requires an argument");
istringstream str(*i);
int n;
str >> n;
if (!str || !str.eof() || n < 0)
if (!string2Int(*i, n) || n < 0)
throw UsageError(format("`--max-jobs' requires a non-negative integer"));
maxBuildJobs = n;
}