From: Bruce Ashfield <bruce.ashfi...@gmail.com>
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.
Signed-off-by: Bruce Ashfield <bruce.ashfi...@gmail.com>
---
meta/classes/kernel-yocto.bbclass | 6 +++++-
meta/recipes-kernel/kern-tools/kern-tools-native_git.bb | 2 +-
2 files changed, 6 insertions(+), 2 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 ${S})"
diff --git a/meta/recipes-kernel/kern-tools/kern-tools-native_git.bb
b/meta/recipes-kernel/kern-tools/kern-tools-native_git.bb
index a6ab9ca56d..11613ab3b6 100644
--- a/meta/recipes-kernel/kern-tools/kern-tools-native_git.bb
+++ b/meta/recipes-kernel/kern-tools/kern-tools-native_git.bb
@@ -11,7 +11,7 @@ LIC_FILES_CHKSUM = "\
DEPENDS = "git-native"
-SRCREV = "90598a5fae1172e3f7782a1b02f7b7518efd32c8"
+SRCREV = "f70b1d52f4706a263ae22e2c61039ccd875e97b6"
PV = "0.3+git${SRCPV}"
inherit native
--
2.19.1
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