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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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8
src/libutil/util.cc
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@ -616,3 +616,11 @@ bool statusOk(int status)
{
return WIFEXITED(status) && WEXITSTATUS(status) == 0;
}
bool string2Int(const string & s, int & n)
{
istringstream str(s);
str >> n;
return str && str.eof();
}