From: chombourger@gmail.com
To: isar-users <isar-users@googlegroups.com>
Subject: Re: [PATCHv2 2/9] base-apt: use the "basename" command instead of pattern substitution
Date: Thu, 24 Oct 2019 02:34:30 -0700 (PDT) [thread overview]
Message-ID: <97aebfdb-669f-4bb3-abd8-b5b97e34e979@googlegroups.com> (raw)
In-Reply-To: <20191023203604.4fnnttjymfypiktg@yssyq.m.ilbers.de>
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On Wednesday, October 23, 2019 at 10:36:12 PM UTC+2, Baurzhan Ismagulov
wrote:
>
> On Wed, Oct 23, 2019 at 01:42:20PM +0200, Henning Schild wrote:
> > Cosmetic and not functional. Let us not reinvet the wheel and possibly
> > make mistakes.
> ...
> > --- a/meta/classes/base-apt-helper.bbclass
> > +++ b/meta/classes/base-apt-helper.bbclass
> > @@ -26,7 +26,7 @@ populate_base_apt() {
> > # robust than querying reprepro by name.
> >
> > # Check if this package is taken from Isar-apt, if so - ingore
> it.
> > - base_name=${package##*/}
> > + base_name=$( basename "${package}")
>
> I'm not in favor of this one. The suggested replacement spawns a subshell
> and
> executes a binary, which is much more expensive than shell's builtin
> operation,
> and that is executed in a loop. The current code is correct. The variable
> name
> explains what it does.
>
there is a typo in the explanation by the way (ingore => ignore)
the parameter expansion appears to work OK with dash and bash
(we always need to be careful with bashisms, we seem to be OK here)
> With kind regards,
> Baurzhan.
>
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next prev parent reply other threads:[~2019-10-24 9:34 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-23 11:42 [PATCHv2 0/9] a few cleanups a bug and a feature Henning Schild
2019-10-23 11:42 ` [PATCHv2 1/9] rootfs: fix incorrect feature name in comment Henning Schild
2019-10-23 11:42 ` [PATCHv2 2/9] base-apt: use the "basename" command instead of pattern substitution Henning Schild
2019-10-23 20:36 ` Baurzhan Ismagulov
2019-10-24 9:16 ` Henning Schild
2019-10-24 12:01 ` Baurzhan Ismagulov
2019-10-24 9:34 ` chombourger [this message]
2019-10-24 12:01 ` Baurzhan Ismagulov
2019-10-23 11:42 ` [PATCHv2 3/9] base_apt_helper: change variable names to increase readability Henning Schild
2019-10-23 11:42 ` [PATCHv2 4/9] rootfs: rename ROOTFS_INSTALL_COMMAND lock to "isar-apt-lock" Henning Schild
2019-10-23 11:42 ` [PATCHv2 5/9] dpkg-base: remove pointless ";" s at end of line Henning Schild
2019-10-23 11:42 ` [PATCHv2 6/9] dpkg-base: fix indentation from tabs to spaces Henning Schild
2019-10-23 11:42 ` [PATCHv2 7/9] base: implement BB_NO_NETWORK for apt-get Henning Schild
2019-10-31 8:42 ` Henning Schild
2019-10-23 11:42 ` [PATCHv2 8/9] meta: do not equip rootfss with resolv.conf when BB_NO_NETWORK Henning Schild
2019-10-23 11:42 ` [PATCHv2 9/9] bootstrap: fix debootstrap gpg issue when base-apt is not signed Henning Schild
2019-10-23 11:43 ` [PATCHv2 0/9] a few cleanups a bug and a feature Henning Schild
2019-11-07 12:16 ` Jan Kiszka
2019-11-07 14:36 ` Henning Schild
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