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simplify, add schedule, GHA groups, etc

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This commit is contained in:
Ricardo Pardini
2022-05-24 00:23:58 +02:00
parent b7033a0288
commit 906187c668
3 changed files with 45 additions and 62 deletions
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56
shallow_kernel_tree.sh
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@@ -1,10 +1,17 @@
#!/usr/bin/env bash
set -e
set -x
# source the lib
. lib_git.sh
function display_alert() {
echo "--> $*"
}
function run_host_command_logged() {
echo "==> $*"
"$@"
}
echo "::group::Prepare basics"
ONLINE="yes"
@@ -31,7 +38,6 @@ GIT_TORVALDS_BUNDLE_ID="$(echo -n "${GIT_TORVALDS_BUNDLE_URL}" | md5sum | awk '{
GIT_TORVALDS_BUNDLE_FILE="${KERNEL_TORVALDS_BUNDLE_DIR}/${GIT_TORVALDS_BUNDLE_ID}.gitbundle" # final filename of bundle
GIT_TORVALDS_BUNDLE_REMOTE_NAME="torvalds-gitbundle" # name of the remote that will point to bundle
# TORVALDS LIVE info
GIT_TORVALDS_LIVE_GIT_URL="git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git"
GIT_TORVALDS_LIVE_REMOTE_NAME="torvalds-live"
@@ -39,14 +45,9 @@ GIT_STABLE_LIVE_GIT_URL="git://git.kernel.org/pub/scm/linux/kernel/git/stable/li
GIT_STABLE_LIVE_REMOTE_NAME="stable-live"
# Versions we're interested in, array
declare -ag WANTED_KERNEL_VERSIONS=("5.18" "5.17" "5.15" "5.12" "5.10")
# Minimal version
# Kernel versions: 5.18, 5.17, 5.15, 5.10, 4.19, 4.9, 4.4
declare -ag WANTED_KERNEL_VERSIONS=("5.18" "5.17" "5.15" "5.10" "4.19" "4.9" "4.4")
# 1st stage Global:
# Init an empty git repo
# Fetch from Torvalds bundle (very slow) into 'torvalds-gitbundle' branch
# include tags?
@@ -57,20 +58,34 @@ else
display_alert "Git tree already initted"
fi
echo "::endgroup::"
echo "::group::Fetching Torvalds bundle"
## From now on, everything is done inside the git worktree...
cd "${KERNEL_GIT_TREE}" || exit 2
if ! git config "remote.${GIT_TORVALDS_BUNDLE_REMOTE_NAME}.url"; then
# Grab torvald's gitbundle via http from kernel.org
download_git_bundle_from_http "${GIT_TORVALDS_BUNDLE_FILE}" "${GIT_TORVALDS_BUNDLE_URL}"
if [[ ! -f "${GIT_TORVALDS_BUNDLE_FILE}" ]]; then # Download the bundle file if it does not exist.
display_alert "Downloading Git cold bundle via HTTP" "${GIT_TORVALDS_BUNDLE_URL}"
run_host_command_logged wget --continue --progress=dot:giga --output-document="${GIT_TORVALDS_BUNDLE_FILE}" "${GIT_TORVALDS_BUNDLE_URL}"
else
display_alert "Cold bundle file exists, using it" "${GIT_TORVALDS_BUNDLE_FILE}" "git"
fi
display_alert "Fetching from cold git bundle, wait" "${GIT_TORVALDS_BUNDLE_ID}"
git_fetch_from_bundle_file "${GIT_TORVALDS_BUNDLE_FILE}" "${GIT_TORVALDS_BUNDLE_REMOTE_NAME}"
git bundle verify "${GIT_TORVALDS_BUNDLE_FILE}" # Make sure bundle is valid.
git remote add "${GIT_TORVALDS_BUNDLE_REMOTE_NAME}" "${GIT_TORVALDS_BUNDLE_FILE}" # Add the remote pointing to the cold bundle file
git fetch --progress --verbose "${GIT_TORVALDS_BUNDLE_REMOTE_NAME}" # Fetch it!
else
display_alert "Torvalds bundle already fetched..."
fi
# At this stage, we've all blobs, but no tags!
echo "::endgroup::"
echo "::group::Fetching Torvalds live"
# 2nd stage Global:
# Add torvalds live git as remote 'torvalds-live'
if ! git config "remote.${GIT_TORVALDS_LIVE_REMOTE_NAME}.url"; then
@@ -83,6 +98,9 @@ fi
# Fetch from it (to update), also bring in the tags. Around a 60mb download, quite fast.
[[ "${ONLINE}" == "yes" ]] && git fetch --progress --verbose --tags "${GIT_TORVALDS_LIVE_REMOTE_NAME}" # Fetch it! (including tags!)
echo "::endgroup::"
echo "::group::Adding stable remote"
# Now, add the stable remote. Do NOT fetch from it, it's huge and has a lot more than we need.
if ! git config "remote.${GIT_STABLE_LIVE_REMOTE_NAME}.url"; then
display_alert "Adding stable live remote" "${GIT_STABLE_LIVE_REMOTE_NAME}"
@@ -98,7 +116,10 @@ fi
WANTED_KERNEL_VERSIONS_COUNT=${#WANTED_KERNEL_VERSIONS[@]}
display_alert "Wanted kernel versions: ${WANTED_KERNEL_VERSIONS_COUNT}"
echo "::endgroup::"
for KERNEL_VERSION in "${WANTED_KERNEL_VERSIONS[@]}"; do
echo "::group::Fetching stable remote for ${KERNEL_VERSION}"
display_alert "Fetching stable kernel version: ${KERNEL_VERSION}"
KERNEL_VERSION_LOCAL_BRANCH_NAME="linux-${KERNEL_VERSION}.y"
@@ -106,16 +127,19 @@ for KERNEL_VERSION in "${WANTED_KERNEL_VERSIONS[@]}"; do
# Fetch the branch from the stable live into the local branch. Since I don't specify "--tags", it will only fetch the tags for the branch. Those DON'T include the -rc tags which came from torvalds live
[[ "${ONLINE}" == "yes" ]] && git fetch --progress --verbose "${GIT_STABLE_LIVE_REMOTE_NAME}" "${KERNEL_VERSION_REMOTE_BRANCH_NAME}:${KERNEL_VERSION_LOCAL_BRANCH_NAME}"
echo "::endgroup::"
done
# 4th stage: For each version, eg 5.17
# - Find the earliest tag with 5.17 in it, or 5.17-rc1 if all else fails;
# - find the _date_ for such a tag
# - Export a shallow bundle via the date for that version;
# - include the shallow marker file (eg: .git/shallow)
# - lightweight tarball of those things, many -0 zstd
# - publish the tarball as GH releases, always in "latest" release
# - include the shallow marker file (.git/shallow)
# - ready to publish as GH releases, always in "latest" release
for KERNEL_VERSION in "${WANTED_KERNEL_VERSIONS[@]}"; do
echo "::group::Processing shallow for ${KERNEL_VERSION}"
cd "${KERNEL_GIT_TREE}" || exit 2
KERNEL_VERSION_LOCAL_BRANCH_NAME="linux-${KERNEL_VERSION}.y"
@@ -165,6 +189,8 @@ for KERNEL_VERSION in "${WANTED_KERNEL_VERSIONS[@]}"; do
# sanity check
git bundle list-heads "${OUTPUT_BUNDLE_FILE_NAME_BUNDLE}"
echo "::endgroup::"
done
# In GHA, cache the full git work tree, if it fits in GHA cache;