Re: [yocto] Bitbake fetch does not re-fetch from network if gitrepo is found in DL_DIR

[Gyorgy Sarvari <skandigraun@gmail.com>]

On 12/4/25 14:56, christian.leeb via lists.yoctoproject.org wrote:
> Hi,
>
> I did a bitbake virtual/kernel --runall=fetch, with a DL_DIR
> containing kernel git repo. This git repo does not contain the SRCREV
> 7818dfe57e requested.
>
> Log suggests the fetch ran fine with the 7818dfe57e
> recipe linux-ti-staging-rt-5.4.106+gitAUTOINC+7818dfe57e-r7a.spark10:
> task do_fetch: Succeeded
>  
> At this point I would have expected the fetch found the repo in DL_DIR
> but the requested commit is t's not up-to-date hence it would reach
> out to the network.
>  
> Later I call bitbake again to build the kernel and I'm getting this error.
>
> ERROR: linux-ti-staging-rt-5.4.106+gitAUTOINC+7818dfe57e-r7a.spark10
> do_unpack: Bitbake Fetcher Error: UnpackError('No up to date source
> found: clone directory not available or not up to date:
> /home/vsts-agent/azagents/build-1/_work/_temp/localdl//git2/dev.azure.com.PG-CT.PGLinux._git.pg-linux;
> shallow clone not enabled',
> 'git://dev.azure.com/PG-CT/PGLinux/_git/pg-linux;protocol=https;branch=pg-am57xx-ti-rt-linux-5.4.106')
>
> This suggests that fetch was happy finding the repo in DL_DIR but did
> not care that the requested commit was missing.
> Is this the intended behavior?
>

Generally speaking this does not sound intentional - Bitbake has checks
for this, it verifies during do_fetch explicitly if the requested
revision is already present in the local clone, or it needs to be updated.

Which version of Bitbake/Yocto are you using? Also, how do you specify
the revision in the recipe? (revision, tagname in SRCREV, something else?) 
A minimal reproduction could be also useful, if available.

> BR, Chris
>
>
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