path: root/meta/classes/kernel-yocto.bbclass
diff options
authorBruce Ashfield <>2022-04-28 09:47:53 -0400
committerRichard Purdie <>2022-04-30 22:00:20 +0100
commit5b5ccb7bcedb3e0ef9f7213f93fee8c83c6c7058 (patch)
tree8a2a993f38e4dd5e091c8d7089464eb397a4a105 /meta/classes/kernel-yocto.bbclass
parent33df924c0029e539748b52a321d3575dfd795fae (diff)
kernel-yocto: allow patch author date to be commit date
In situations where a buid needs to be reproducible, it is sometimes desireable to use a patches author date, versus the time when it is applied. This generates a consistent hash between different patch applications. We leverage the existing KERNEL_DEBUG_TIMESTAMPS to trigger the use of a new option to kgit-s2q. This allows us to use the author date in a reproducible configuration, but disable it if we need the current time/date. (From OE-Core rev: ebe2411ce78d5e4ea49b9b4cb732b461ecc32ca6) Signed-off-by: Bruce Ashfield <> Signed-off-by: Richard Purdie <>
Diffstat (limited to 'meta/classes/kernel-yocto.bbclass')
1 files changed, 5 insertions, 1 deletions
diff --git a/meta/classes/kernel-yocto.bbclass b/meta/classes/kernel-yocto.bbclass
index 4cb638864c..fb30c7cc05 100644
--- a/meta/classes/kernel-yocto.bbclass
+++ b/meta/classes/kernel-yocto.bbclass
@@ -320,7 +320,11 @@ do_patch() {
meta_dir=$(kgit --meta)
(cd ${meta_dir}; ln -sf patch.queue series)
if [ -f "${meta_dir}/series" ]; then
- kgit-s2q --gen -v --patches .kernel-meta/
+ kgit_extra_args=""
+ if [ "${KERNEL_DEBUG_TIMESTAMPS}" != "1" ]; then
+ kgit_extra_args="--commit-sha author"
+ fi
+ kgit-s2q --gen -v $kgit_extra_args --patches .kernel-meta/
if [ $? -ne 0 ]; then
bberror "Could not apply patches for ${KMACHINE}."
bbfatal_log "Patch failures can be resolved in the linux source directory ${S})"