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sw:yocto:bitbake:tips [2025/05/08 09:58] – niziaksw:yocto:bitbake:tips [2025/06/11 11:55] (current) – niziak
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   * [[https://stackoverflow.com/questions/51002891/overwriting-yocto-classes-through-meta-layer|Overwriting Yocto Classes through meta-layer]]   * [[https://stackoverflow.com/questions/51002891/overwriting-yocto-classes-through-meta-layer|Overwriting Yocto Classes through meta-layer]]
 +
 +===== Pass env variables to bitbake =====
 +
 +To control additional or user defined recipe's variables from env (usefull for CI) add variables to ''BB_ENV_PASSTHROUGH_ADDITIONS'':
 +<code bash>
 +export foo="BAR"
 +export BB_ENV_PASSTHROUGH_ADDITIONS="${BB_ENV_PASSTHROUGH_ADDITIONS} foo BUILD_VERSION CI_COMMIT_BRANCH CI_COMMIT_SHORT_SHA"
 +bitbake ...
 +</code>
 +
 +
 +
  
 ===== add files to rootfs ===== ===== add files to rootfs =====