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-rw-r--r--meta/classes/kernel-yocto.bbclass72
1 files changed, 49 insertions, 23 deletions
diff --git a/meta/classes/kernel-yocto.bbclass b/meta/classes/kernel-yocto.bbclass
index 3130bf451..50ff555ef 100644
--- a/meta/classes/kernel-yocto.bbclass
+++ b/meta/classes/kernel-yocto.bbclass
@@ -139,33 +139,59 @@ do_patch() {
}
do_kernel_checkout() {
- if [ -d ${WORKDIR}/git/.git/refs/remotes/origin ]; then
- echo "Fixing up git directory for ${LINUX_KERNEL_TYPE}/${KMACHINE}"
- rm -rf ${S}
- mkdir ${S}
+ # we build out of {S}, so ensure that ${S} is clean and present
+ rm -rf ${S}
+ mkdir -p ${S}/.git
+
+ set +e
+
+ # A linux yocto SRC_URI should use the bareclone option. That
+ # ensures that all the branches are available in the WORKDIR version
+ # of the repository. If it wasn't passed, we should detect it, and put
+ # out a useful error message
+ if [ -d "${WORKDIR}/git/.git" ]; then
+ echo "WARNING. ${WORKDIR}/git is not a bare clone."
+ echo "Ensure that the SRC_URI includes the 'bareclone=1' option."
+
+ # we can fix up the kernel repository, but at the least the meta
+ # branch must be present. The machine branch may be created later.
mv ${WORKDIR}/git/.git ${S}
-
- if [ -e ${S}/.git/packed-refs ]; then
- cd ${S}
- rm -f .git/refs/remotes/origin/HEAD
-IFS='
-';
- for r in `git show-ref | grep remotes`; do
- ref=`echo $r | cut -d' ' -f1`;
- b=`echo $r | cut -d' ' -f2 | sed 's%refs/remotes/origin/%%'`;
- dir=`dirname $b`
- mkdir -p .git/refs/heads/$dir
- echo $ref > .git/refs/heads/$b
- done
- cd ..
- else
- cp -r ${S}/.git/refs/remotes/origin/* ${S}/.git/refs/heads
- rmdir ${S}/.git/refs/remotes/origin
+ rm -rf ${WORKDIR}/git/
+ cd ${S}
+ git branch -a | grep -q ${KMETA}
+ if [ $? -ne 0 ]; then
+ echo "ERROR. The branch '${KMETA}' is required and was not"
+ echo "found. Ensure that the SRC_URI points to a valid linux-yocto"
+ echo "kernel repository"
+ exit 1
fi
+ if [ -z "${YOCTO_KERNEL_EXTERNAL_BRANCH}" ]; then
+ git branch -a | grep -q ${KBRANCH}
+ if [ $? -ne 0 ]; then
+ echo "ERROR. The branch '${KBRANCH}' is required and was not"
+ echo "found. Ensure that the SRC_URI points to a valid linux-yocto"
+ echo "kernel repository"
+ exit 1
+ fi
+ fi
+ else
+ mv ${WORKDIR}/git/* ${S}/.git
+ rm -rf ${WORKDIR}/git/
+ cd ${S}
+ git config core.bare false
fi
- cd ${S}
+ # end debare
- set +e
+ # convert any remote branches to local tracking ones
+ for i in `git branch -a | grep remotes | grep -v HEAD`; do
+ b=`echo $i | cut -d' ' -f2 | sed 's%remotes/origin/%%'`;
+ git show-ref --quiet --verify -- "refs/heads/$b"
+ if [ $? -ne 0 ]; then
+ git branch $b $i > /dev/null
+ fi
+ done
+
+ # Create a working tree copy of the kernel by checkout out a branch
git show-ref --quiet --verify -- "refs/heads/${KBRANCH}"
if [ $? -eq 0 ]; then
# checkout and clobber and unimportant files