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When ‘--help’ is given, just run ‘man’ to show the manual page

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I.e. do what git does.  I'm too lazy to keep the builtin help text up
to date :-)

Also add ‘--help’ to various commands that lacked it
(e.g. nix-collect-garbage).
This commit is contained in:
Eelco Dolstra 2012-10-03 16:37:06 -04:00
parent 9c41c66c5b
commit a562d544d8
25 changed files with 51 additions and 329 deletions
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2
scripts/nix-collect-garbage.in
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@ -16,6 +16,8 @@ for my $arg (@ARGV) {
$removeOld = 1;
} elsif ($arg eq "--dry-run") {
$dryRun = 1;
} elsif ($arg eq "--help") {
exec "man nix-collect-garbage" or die;
} else {
push @args, $arg;
}