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Yoann Congal a41bfa10a0 oeqa/selftest/buildoptions: Fix test_yocto_source_mirror MIRRORS & PREMIRRORS definitions 
Currently, the definitions of MIRRORS and PREMIRRORS made by
test_yocto_source_mirror() are overwritten when run on the autobuilder:
* MIRRORS = "" is extended by mirrors.bbclass to its usual value.
* PREMIRRORS = "* dl.yp.org" is overwritten by the autobuilder.conf
  config fragment to ""

Simplified variable history:
  # $MIRRORS [4 operations]
  #   set .../contribution-yocto/builds/build-qemux86-64-st/conf/selftest.inc:3
  #     ""
  #   append .../contribution-yocto/builds/build-qemux86-64-st/../../layers/poky/meta/classes-global/mirrors.bbclass:57
  #     "${DEBIAN_MIRROR}	..."
  MIRRORS=" http://deb.debian.org/debian/pool ..."

  # $PREMIRRORS [4 operations]
  #   set .../contribution-yocto/builds/build-qemux86-64-st/conf/selftest.inc:18
  #     "    bzr://.*/.*   http://downloads.yoctoproject.org/mirror/sources/ \n ..."
  #   set .../contribution-yocto/builds/build-qemux86-64-st/../../layers/poky/meta/conf/fragments/yocto-autobuilder/autobuilder.conf:6
  #     ""
  #   append .../contribution-yocto/builds/build-qemux86-64-st/../../layers/poky/meta/classes-global/mirrors.bbclass:84
  #     "git://sourceware.org/git/glibc.git https://downloads.yoctoproject.org/mirror/sources/  ..."
  PREMIRRORS=" git://sourceware.org/git/glibc.git https://downloads.yoctoproject.org/mirror/sources/  ..."

Despite this unexpected configuration, the test passes because after
failing to find a PREMIRROR (empty), failing to download the normal
SRC_URI (because of BB_ALLOWED_NETWORKS), the fetcher tries the MIRRORS
which have by default download.yoctoproject.org. For example, on a
failed meta-oe-mirror test[0], we can see a lot of warnings:
"stdio: WARNING: ... do_fetch: Failed to fetch URL https://... attempting MIRRORS if available"

By using the ":forcevariable" override, test_yocto_source_mirror() makes
sure the correct value is set for MIRRORS and PREMIRRORS (whatever is
the configuration).

Simplified variable history (after the fix):
  # $MIRRORS [4 operations]
  #   append .../contribution-yocto/builds/build-qemux86-64-st/../../layers/poky/meta/classes-global/mirrors.bbclass:57
  #     "${DEBIAN_MIRROR}	..."
  #   append .../contribution-yocto/builds/build-qemux86-64-st/../../layers/poky/meta/classes-global/mirrors.bbclass:68
  #     "git://salsa.debian.org/.* ..."
  #   override[forcevariable]:set .../contribution-yocto/builds/build-qemux86-64-st/conf/selftest.inc:3
  #     ""
  MIRRORS=""

  # $PREMIRRORS [4 operations]
  #   set .../contribution-yocto/builds/build-qemux86-64-st/../../layers/poky/meta/conf/fragments/yocto-autobuilder/autobuilder.conf:6
  #     ""
  #   append .../contribution-yocto/builds/build-qemux86-64-st/../../layers/poky/meta/classes-global/mirrors.bbclass:84
  #     "git://sourceware.org/git/glibc.git ..."
  #   override[forcevariable]:set .../contribution-yocto/builds/build-qemux86-64-st/conf/selftest.inc:18
  #     "    bzr://.*/.*   http://downloads.yoctoproject.org/mirror/sources/ ..."
  # pre-expansion value:
  #   "    bzr://.*/.*   http://downloads.yoctoproject.org/mirror/sources/ ..."
  PREMIRRORS="    bzr://.*/.*   http://downloads.yoctoproject.org/mirror/sources/ ..."

[0]: https://autobuilder.yoctoproject.org/valkyrie/#/builders/82/builds/470/steps/17/logs/warnings

Fixes [YOCTO #15993]

(From OE-Core rev: ab810d1239d4db0bc0f23db31c70cc9c6e59357e)

Signed-off-by: Yoann Congal <yoann.congal@smile.fr>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2025-10-13 18:01:04 +01:00
bitbake bitbake: ast: Fix fragment behaviour with overrides 2025-10-09 12:48:47 +01:00
contrib contrib/git-hooks: add a sendemail-validate example hook that adds FROM: lines to outgoing patch emails 2020-12-30 14:01:07 +00:00
documentation tools/build-docs-container: update with newly supported distros 2025-10-03 17:53:57 +01:00
meta oeqa/selftest/buildoptions: Fix test_yocto_source_mirror MIRRORS & PREMIRRORS definitions 2025-10-13 18:01:04 +01:00
meta-poky poky: Update SANITY_TESTED_DISTROS 2025-10-01 15:17:37 +01:00
meta-selftest oeqa/bblayers.py: add tests for adding new built-in fragments 2025-10-01 10:52:54 +01:00
meta-skeleton meta-skeleton: fix spaces in assignment 2025-09-22 22:09:48 +01:00
meta-yocto-bsp oeqa/selftest/systemd_boot: Fix changing MACHINE during the test 2025-10-10 10:52:08 +01:00
scripts scripts/install-buildtools: Update to 5.2.3 2025-10-09 10:58:07 +01:00
.b4-config b4-config: Add basic support for b4 contribution workflow 2025-02-06 10:40:55 +00:00
.gitignore vscode: drop .vscode folder 2024-02-19 11:34:33 +00:00
.templateconf meta-poky/conf: move default templates to conf/templates/default/ 2022-09-01 10:07:02 +01:00
LICENSE
LICENSE.GPL-2.0-only
LICENSE.MIT
MAINTAINERS.md MAINTAINERS.md: fix markdown style issues 2025-02-05 12:49:56 +00:00
MEMORIAM MEMORIAM: Add recognition for contributors no longer with us 2020-01-30 15:22:35 +00:00
oe-init-build-env oe-init-build-env: generate .vscode from template 2024-02-19 11:34:33 +00:00
README.hardware.md README: Move to using markdown as the format 2021-06-16 16:33:18 +01:00
README.md Add README link to README.poky 2021-07-19 18:07:21 +01:00
README.OE-Core.md README.OE-Core.md: fix markdown style issues 2025-02-05 12:49:56 +00:00
README.poky.md README: Move to using markdown as the format 2021-06-16 16:33:18 +01:00
README.qemu.md README.qemu.md: fix markdown style issues 2025-02-05 12:49:56 +00:00
SECURITY.md SECURITY.md: fix markdown style issues 2025-02-05 12:49:56 +00:00

README.md

Poky

Poky is an integration of various components to form a pre-packaged build system and development environment which is used as a development and validation tool by the Yocto Project. It features support for building customised embedded style device images and custom containers. There are reference demo images ranging from X11/GTK+ to Weston, commandline and more. The system supports cross-architecture application development using QEMU emulation and a standalone toolchain and SDK suitable for IDE integration.

Additional information on the specifics of hardware that Poky supports is available in README.hardware. Further hardware support can easily be added in the form of BSP layers which extend the systems capabilities in a modular way. Many layers are available and can be found through the layer index.

As an integration layer Poky consists of several upstream projects such as BitBake, OpenEmbedded-Core, Yocto documentation, the 'meta-yocto' layer which has configuration and hardware support components. These components are all part of the Yocto Project and OpenEmbedded ecosystems.

The Yocto Project has extensive documentation about the system including a reference manual which can be found at https://docs.yoctoproject.org/

OpenEmbedded is the build architecture used by Poky and the Yocto project. For information about OpenEmbedded, see the OpenEmbedded website.

Contribution Guidelines

Please refer to our contributor guide here: https://docs.yoctoproject.org/dev/contributor-guide/ for full details on how to submit changes.

Where to Send Patches

As Poky is an integration repository (built using a tool called combo-layer), patches against the various components should be sent to their respective upstreams:

OpenEmbedded-Core (files in meta/, meta-selftest/, meta-skeleton/, scripts/):

BitBake (files in bitbake/):

Documentation (files in documentation/):

meta-yocto (files in meta-poky/, meta-yocto-bsp/):

If in doubt, check the openembedded-core git repository for the content you intend to modify as most files are from there unless clearly one of the above categories. Before sending, be sure the patches apply cleanly to the current git repository branch in question.

CII Best Practices