osmith has uploaded this change for review.
scripts/kernel-test: add KERNEL_SKIP_REBUILD
Speed up local test cycles by not building the kernel again from source
if not needed.
Change-Id: Iaa401918d7c09ec92ec546071d8961e99a4cbb47
---
M README.md
M jenkins-common.sh
M scripts/kernel-test/kernel-build.sh
3 files changed, 24 insertions(+), 4 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/docker-playground refs/changes/99/33799/1
diff --git a/README.md b/README.md
index 0e59fe3..7a7c1ab 100644
--- a/README.md
+++ b/README.md
@@ -82,6 +82,8 @@
repositories in the same local linux clone, default: net-next)
* `KERNEL_URL`: git remote url (default: net-next.git on kernel.org)
* `KERNEL_BRANCH` branch to checkout (default: master)
+* `KERNEL_SKIP_REBUILD`: set to 1 to not build the kernel again if already
+ built with `KERNEL_BUILD=1`
The OBS repository mirror consists of
`${OSMOCOM_REPO_MIRROR}/${OSMOCOM_REPO_PATH}/${OSMOCOM_REPO_VERSION}`,
diff --git a/jenkins-common.sh b/jenkins-common.sh
index 20c1c4e..56c06fc 100644
--- a/jenkins-common.sh
+++ b/jenkins-common.sh
@@ -451,6 +451,7 @@
-e "KERNEL_CONFIG_BASE=$kernel_config_base" \
-e "KERNEL_REMOTE_NAME=$KERNEL_REMOTE_NAME" \
-e "KERNEL_URL=$KERNEL_URL" \
+ -e "KERNEL_SKIP_REBUILD=$KERNEL_SKIP_REBUILD" \
"$@" \
"$docker_image" \
"/kernel-test/prepare.sh"
diff --git a/scripts/kernel-test/kernel-build.sh b/scripts/kernel-test/kernel-build.sh
index 5f246ae..d2127e4 100755
--- a/scripts/kernel-test/kernel-build.sh
+++ b/scripts/kernel-test/kernel-build.sh
@@ -61,8 +61,13 @@
cp .config "$previous"
}
-prepare_git_repo
-update_kernel_config
+output="$KERNEL_DIR"/arch/x86/boot/bzImage
-make "-j$(nproc)"
-cp arch/x86/boot/bzImage /cache/kernel-test/linux
+if [ ! -e "$output" ] || [ "$KERNEL_SKIP_REBUILD" != 1 ]; then
+ prepare_git_repo
+ update_kernel_config
+
+ make "-j$(nproc)"
+fi
+
+cp "$output" /cache/kernel-test/linux
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