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* GC option `--max-atime' that specifies an upper limit to the last

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accessed time of paths that may be deleted.  Anything more recently
  used won't be deleted.  The time is specified in time_t,
  e.g. seconds since 1970-01-01 00:00:00 UTC; use `date +%s' to
  convert to time_t from the command line. 

  Example: to delete everything that hasn't been used in the last two
  months:

  $ nix-store --gc -v --max-atime $(date +%s -d "2 months ago")
This commit is contained in:
Eelco Dolstra 2008-09-17 14:52:35 +00:00
parent 4af2fdba6d
commit f32fef1b07
4 changed files with 24 additions and 7 deletions
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8
src/nix-store/nix-store.cc
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@ -531,8 +531,14 @@ static void opGC(Strings opFlags, Strings opArgs)
else if (*i == "--max-freed") options.maxFreed = getIntArg(*i, i, opFlags.end());
else if (*i == "--max-links") options.maxLinks = getIntArg(*i, i, opFlags.end());
else if (*i == "--use-atime") options.useAtime = true;
else if (*i == "--max-atime") {
options.useAtime = true;
options.maxAtime = getIntArg(*i, i, opFlags.end());
}
else throw UsageError(format("bad sub-operation `%1%' in GC") % *i);
if (!opArgs.empty()) throw UsageError("no arguments expected");
PrintFreed freed(options.action == GCOptions::gcDeleteDead, results);
store->collectGarbage(options, results);
@ -745,7 +751,7 @@ void run(Strings args)
indirectRoot = true;
else if (arg[0] == '-') {
opFlags.push_back(arg);
if (arg == "--max-freed" || arg == "--max-links") { /* !!! hack */
if (arg == "--max-freed" || arg == "--max-links" || arg == "--max-atime") { /* !!! hack */
if (i != args.end()) opFlags.push_back(*i++);
}
}