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kernel-yocto: allow patch author date to be commit date

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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: 8dbce9b13960acfd6889567c11456e3c73a783b5)

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit ebe2411ce78d5e4ea49b9b4cb732b461ecc32ca6)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Bruce Ashfield
2022-04-28 09:47:53 -04:00
committed by Richard Purdie
parent 49f308a414
commit d696edd8d1
2 changed files with 6 additions and 2 deletions
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6
meta/classes/kernel-yocto.bbclass
View File

@@ -322,7 +322,11 @@ 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})"

2
meta/recipes-kernel/kern-tools/kern-tools-native_git.bb
View File

@@ -11,7 +11,7 @@ LIC_FILES_CHKSUM = "\
DEPENDS = "git-native"
SRCREV = "90598a5fae1172e3f7782a1b02f7b7518efd32c8"
SRCREV = "f70b1d52f4706a263ae22e2c61039ccd875e97b6"
PV = "0.3+git${SRCPV}"
inherit native