On Wed, 2012-08-15 at 16:06 -0400, Bruce Ashfield wrote:
> The kernel branch is no longer required by the yocto-kern-tools
> to locate BSP feature descriptions (it is the MACHINE:KTYPE
> descriptor), so we no longer require that the BSP branch be
> explicitly set.
>
> If a kernel branch is explicitly set, it is now used to trigger
> a checks to ensure that the branch really is being built.
> Otherwise the branch that the machine description creates will
> be built (just as it always was).
>
> This further simplies the use and configuration of a linux-yocto
> based kernel recipe.
[...]
>
> - # We have SRCREVs and we have branches so validation can continue!
> - current=`git branch |grep \*|sed 's/^\* //'`
> - if [ -n "$target_branch_head" ] && [ "$branch_head" !=
> "$target_branch_head" ] &&
> - [ "$target_branch_head" != "AUTOINC" ]; then
> - ref=`git show ${target_branch_head} 2>&1 | head -n1 || true`
> - if [ "$ref" = "fatal: bad object ${target_meta_head}" ]; then
> - echo "ERROR ${target_branch_head} is not a valid commit
> ID."
> - echo "The kernel source tree may be out of sync"
> - exit 1
> - else
> - echo "Forcing branch $current to ${target_branch_head}"
> - git branch -m $current $current-orig
> - git checkout -b $current ${target_branch_head}
> - fi
> + containing_branches=`git branch --contains $target_branch_head | sed
> 's/^..//'`
> + if [ -z "$containing_branches" ]; then
> + echo "ERROR: SRCREV was set to \"$target_branch_head\", but no
> branches"
> + echo " contain this commit"
> + exit 1
> + fi
> + ref=`git show ${target_branch_head} 2>&1 | head -n1 || true`
> + if [ "$ref" = "fatal: bad object ${target_meta_head}" ]; then
> + echo "ERROR ${target_branch_head} is not a valid commit ID."
> + echo "The kernel source tree may be out of sync"
> + exit 1
> fi
There is a bit of uncertainty flying around at the moment about why
these changes are failing on the autobuilder. For example:
http://autobuilder.yoctoproject.org:8010/builders/nightly-mips/builds/560/steps/shell_138/logs/stdio
Log data follows:
| DEBUG: Executing shell function do_validate_branches
| ERROR: SRCREV was set to "1c17c082b6ee565acc176cde5be835ac4269817b", but no
branches
| contain this commit
| ERROR: Function failed: do_validate_branches
It looks like:
http://git.yoctoproject.org/cgit.cgi/poky/commit/bitbake/lib/bb/fetch2/git.py?id=64662290d3e7deb0b6093b3959c3f3eddb873893
doesn't totally fix the problem. It allows the correct revisions to be
found and sets alternatives correctly but imports the wrong branch
config.
I don't really want to have to require a patched git binary so we may
end up having to rebuild the branch structure manually.
I guess the older code cared less about the branch name and more about
the revisions being present.
Cheers,
Richard
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