From: Andrey Borzenkov <arvidjaar@gmail.com>
To: grub-devel@gnu.org
Subject: Re: New command eval.
Date: Sun, 12 May 2013 09:39:59 +0400 [thread overview]
Message-ID: <20130512093959.675ec380@opensuse.site> (raw)
In-Reply-To: <C3847223-4789-44E8-9345-5CF9FF370BE2@oracle.com>
В Sat, 11 May 2013 17:07:19 -0700
Seth Goldberg <seth.goldberg@oracle.com> пишет:
> Hi,
>
> What about the feature environment variable to allow dynamic detection of this enhancement?
>
That really does not scale. Commands come and go. What about single
command "has" (or probably better "implements") as in
implements --command eval|testspeed|...
implements --crypto_algorithm sha256|...
implements --network_protocol http|tftp|ipv6|...
Command "implements" itself may be instantiated under
fetature_201_final (or whatever next version is).
It probably could even be extended to feature test of single commands,
like
implements --command menuentry --feature id
Note that in this specific case (eval) this probably is not useful at
all. If you want to test whether this command is present, you
presumably are going to write alternative implementation without eval.
In this case why bother to test in the first place?
next prev parent reply other threads:[~2013-05-12 5:40 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1367240132.58582.YahooMailNeo@web120204.mail.ne1.yahoo.com>
2013-05-01 14:59 ` Obtaining the MAC address of the boot NIC for a PXE boot Andrey Borzenkov
2013-05-04 21:08 ` Vladimir 'φ-coder/phcoder' Serbinenko
2013-05-04 21:19 ` Vladimir 'φ-coder/phcoder' Serbinenko
2013-05-05 5:17 ` Andrey Borzenkov
2013-05-07 10:03 ` Vladimir 'φ-coder/phcoder' Serbinenko
2013-05-07 17:50 ` Documentation for (Re: Obtaining the MAC address of the boot NIC for a PXE boot) Andrey Borzenkov
2013-05-07 19:45 ` Vladimir 'φ-coder/phcoder' Serbinenko
2013-05-08 14:52 ` Andrey Borzenkov
2013-05-11 16:35 ` New command eval Andrey Borzenkov
2013-05-11 17:02 ` Vladimir 'φ-coder/phcoder' Serbinenko
2013-05-11 17:30 ` Andrey Borzenkov
2013-05-14 6:26 ` Vladimir 'φ-coder/phcoder' Serbinenko
2013-05-12 0:07 ` Seth Goldberg
2013-05-12 5:39 ` Andrey Borzenkov [this message]
2013-05-13 5:13 ` Seth Goldberg
2013-05-14 7:21 ` Vladimir 'φ-coder/phcoder' Serbinenko
2013-05-08 17:27 ` Obtaining the MAC address of the boot NIC for a PXE boot Rigoberto Corujo
2013-05-08 19:25 ` Andrey Borzenkov
2013-05-10 16:12 ` Rigoberto Corujo
2013-05-11 4:47 ` Andrey Borzenkov
2013-05-15 17:09 ` Rigoberto Corujo
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