[yocto] OPKG Spec

[Adi Malca]

Thank you Robert, the last 2 links to the code were very helpful.

On Tue, Jun 25, 2019 at 8:28 AM Robert Joslyn <
robert.joslyn at redrectangle.org> wrote:

> On Sun, 2019-06-23 at 16:15 +0300, Adi Malca wrote:
> > Hello,
> >
> > I'm looking for the current official OPKG spec with spelling and case
> > sensitive.
> > For example:
> > Package:
> > Version:
> > Description:
> > Section:
> > Priority:
> > Maintainer:
> > License:
> > Architecture:
> > OE:
> > Homepage:
> > Depends:
> > Source:
> > Filename:
> > SHA1:
> > SHA256:
> >
> > Best Regards,
> > Adi
>
> I'm not sure if there is an official spec somewhere, but the structure
> of the packages and server index files can be seen in the code. The
> main opkg utility is here:
> http://git.yoctoproject.org/cgit/cgit.cgi/opkg/
>
> The helper scripts are also useful:
> http://git.yoctoproject.org/cgit/cgit.cgi/opkg-utils/
>
> You can see the structure of the metadata you mention, including
> spelling, capitalization, etc, here:
> http://git.yoctoproject.org/cgit/cgit.cgi/opkg/tree/libopkg/pkg.c#n552
>
> You can also see it here (perhaps more concisely):
> http://git.yoctoproject.org/cgit/cgit.cgi/opkg-utils/tree/opkg.py#n491
>
> The Packages and Packages.gz index files use these variables. For
> example, this is what shows up in the index for busybox on one of my
> builds:
>
> Package: busybox
> Version: 1.30.1-r0
> Depends: libc6 (>= 2.29), update-alternatives-opkg
> Recommends: busybox-udhcpc
> Section: base
> Architecture: armv7vet2hf-neon
> Maintainer: Poky <poky at yoctoproject.org>
> MD5Sum: c0b45a09adec305b49153133a3392917
> Size: 315406
> Filename: busybox_1.30.1-r0_armv7vet2hf-neon.ipk
> Source: busybox_1.30.1.bb
> Description: Tiny versions of many common UNIX utilities in a single
> small executable
> OE: busybox
> HomePage: http://www.busybox.net
> License: GPLv2 & bzip2
> Priority: optional
>
> Packages can also use SHA256 rather than MD5.
>
> Package: busybox
> Version: 1.30.1-r0
> Depends: libc6 (>= 2.29), update-alternatives-opkg
> Recommends: busybox-udhcpc
> Section: base
> Architecture: armv7vet2hf-neon
> Maintainer: Poky <poky at yoctoproject.org>
> SHA256sum:
> 3ca8d2dd79759fa34bf04a0ee97fef5e354d97da76b03672544f3c4eeef76ac9
> Size: 315406
> Filename: busybox_1.30.1-r0_armv7vet2hf-neon.ipk
> Source: busybox_1.30.1.bb
> Description: Tiny versions of many common UNIX utilities in a single
> small executable
> OE: busybox
> HomePage: http://www.busybox.net
> License: GPLv2 & bzip2
> Priority: optional
>
> I'm not sure if anyone has any package feeds built by Yocto publicly
> available, but OpenWRT uses opkg as well, with public feeds available.
> For example:
>
> https://downloads.openwrt.org/releases/18.06.2/packages/aarch64_cortex-a53/base/
>
>
> Robert
>
>

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