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# Library of functions shared by all CI scripts
skip_branch_tip_with_tag () {
# Sometimes, a branch is pushed at the same time the tag that points
# at the same commit as the tip of the branch is pushed, and building
# both at the same time is a waste.
#
# When the build is triggered by a push to a tag, $CI_BRANCH will
# have that tagname, e.g. v2.14.0. Let's see if $CI_BRANCH is
# exactly at a tag, and if so, if it is different from $CI_BRANCH.
# That way, we can tell if we are building the tip of a branch that
# is tagged and we can skip the build because we won't be skipping a
# build of a tag.
if TAG=$(git describe --exact-match "$CI_BRANCH" 2>/dev/null) &&
test "$TAG" != "$CI_BRANCH"
then
echo "$(tput setaf 2)Tip of $CI_BRANCH is exactly at $TAG$(tput sgr0)"
exit 0
fi
}
# Save some info about the current commit's tree, so we can skip the build
# job if we encounter the same tree again and can provide a useful info
# message.
save_good_tree () {
echo "$(git rev-parse $CI_COMMIT^{tree}) $CI_COMMIT $CI_JOB_NUMBER $CI_JOB_ID" >>"$good_trees_file"
# limit the file size
tail -1000 "$good_trees_file" >"$good_trees_file".tmp
mv "$good_trees_file".tmp "$good_trees_file"
}
# Skip the build job if the same tree has already been built and tested
# successfully before (e.g. because the branch got rebased, changing only
# the commit messages).
skip_good_tree () {
if test true = "$GITHUB_ACTIONS"
then
return
fi
if ! good_tree_info="$(grep "^$(git rev-parse $CI_COMMIT^{tree}) " "$good_trees_file")"
then
# Haven't seen this tree yet, or no cached good trees file yet.
# Continue the build job.
return
fi
echo "$good_tree_info" | {
read tree prev_good_commit prev_good_job_number prev_good_job_id
if test "$CI_JOB_ID" = "$prev_good_job_id"
then
cat <<-EOF
$(tput setaf 2)Skipping build job for commit $CI_COMMIT.$(tput sgr0)
This commit has already been built and tested successfully by this build job.
To force a re-build delete the branch's cache and then hit 'Restart job'.
EOF
else
cat <<-EOF
$(tput setaf 2)Skipping build job for commit $CI_COMMIT.$(tput sgr0)
This commit's tree has already been built and tested successfully in build job $prev_good_job_number for commit $prev_good_commit.
The log of that build job is available at $SYSTEM_TASKDEFINITIONSURI$SYSTEM_TEAMPROJECT/_build/results?buildId=$prev_good_job_id
To force a re-build delete the branch's cache and then hit 'Restart job'.
EOF
fi
}
exit 0
}
check_unignored_build_artifacts ()
{
! git ls-files --other --exclude-standard --error-unmatch \
-- ':/*' 2>/dev/null ||
{
echo "$(tput setaf 1)error: found unignored build artifacts$(tput sgr0)"
false
}
}
# GitHub Action doesn't set TERM, which is required by tput
export TERM=${TERM:-dumb}
# Clear MAKEFLAGS that may come from the outside world.
export MAKEFLAGS=
# Set 'exit on error' for all CI scripts to let the caller know that
# something went wrong.
# Set tracing executed commands, primarily setting environment variables
# and installing dependencies.
set -ex
if test -n "$SYSTEM_COLLECTIONURI" || test -n "$SYSTEM_TASKDEFINITIONSURI"
then
CI_TYPE=azure-pipelines
# We are running in Azure Pipelines
CI_BRANCH="$BUILD_SOURCEBRANCH"
CI_COMMIT="$BUILD_SOURCEVERSION"
CI_JOB_ID="$BUILD_BUILDID"
CI_JOB_NUMBER="$BUILD_BUILDNUMBER"
CI_OS_NAME="$(echo "$AGENT_OS" | tr A-Z a-z)"
test darwin != "$CI_OS_NAME" || CI_OS_NAME=osx
CI_REPO_SLUG="$(expr "$BUILD_REPOSITORY_URI" : '.*/\([^/]*/[^/]*\)$')"
CC="${CC:-gcc}"
# use a subdirectory of the cache dir (because the file share is shared
# among *all* phases)
cache_dir="$HOME/test-cache/$SYSTEM_PHASENAME"
export GIT_PROVE_OPTS="--timer --jobs 10 --state=failed,slow,save"
export GIT_TEST_OPTS="--verbose-log -x --write-junit-xml"
MAKEFLAGS="$MAKEFLAGS --jobs=10"
test windows_nt != "$CI_OS_NAME" ||
GIT_TEST_OPTS="--no-chain-lint --no-bin-wrappers $GIT_TEST_OPTS"
elif test true = "$GITHUB_ACTIONS"
then
CI_TYPE=github-actions
CI_BRANCH="$GITHUB_REF"
CI_COMMIT="$GITHUB_SHA"
CI_OS_NAME="$(echo "$RUNNER_OS" | tr A-Z a-z)"
test macos != "$CI_OS_NAME" || CI_OS_NAME=osx
CI_REPO_SLUG="$GITHUB_REPOSITORY"
CI_JOB_ID="$GITHUB_RUN_ID"
CC="${CC:-gcc}"
DONT_SKIP_TAGS=t
cache_dir="$HOME/none"
export GIT_PROVE_OPTS="--timer --jobs 10"
export GIT_TEST_OPTS="--verbose-log -x"
MAKEFLAGS="$MAKEFLAGS --jobs=10"
test windows != "$CI_OS_NAME" ||
GIT_TEST_OPTS="--no-chain-lint --no-bin-wrappers $GIT_TEST_OPTS"
else
echo "Could not identify CI type" >&2
env >&2
exit 1
fi
good_trees_file="$cache_dir/good-trees"
mkdir -p "$cache_dir"
test -n "${DONT_SKIP_TAGS-}" ||
skip_branch_tip_with_tag
skip_good_tree
if test -z "$jobname"
then
jobname="$CI_OS_NAME-$CC"
fi
export DEVELOPER=1
export DEFAULT_TEST_TARGET=prove
export GIT_TEST_CLONE_2GB=true
export SKIP_DASHED_BUILT_INS=YesPlease
case "$jobname" in
linux-clang|linux-gcc|linux-leaks)
if [ "$jobname" = linux-gcc ]
then
export CC=gcc-8
MAKEFLAGS="$MAKEFLAGS PYTHON_PATH=/usr/bin/python3"
else
MAKEFLAGS="$MAKEFLAGS PYTHON_PATH=/usr/bin/python2"
fi
export GIT_TEST_HTTPD=true
# The Linux build installs the defined dependency versions below.
# The OS X build installs much more recent versions, whichever
# were recorded in the Homebrew database upon creating the OS X
# image.
# Keep that in mind when you encounter a broken OS X build!
export LINUX_P4_VERSION="16.2"
export LINUX_GIT_LFS_VERSION="1.5.2"
P4_PATH="$HOME/custom/p4"
GIT_LFS_PATH="$HOME/custom/git-lfs"
export PATH="$GIT_LFS_PATH:$P4_PATH:$PATH"
;;
osx-clang|osx-gcc)
if [ "$jobname" = osx-gcc ]
then
export CC=gcc-9
MAKEFLAGS="$MAKEFLAGS PYTHON_PATH=$(which python3)"
else
MAKEFLAGS="$MAKEFLAGS PYTHON_PATH=$(which python2)"
fi
;;
linux-gcc-default)
;;
linux32)
CC=gcc
;;
linux-musl)
CC=gcc
MAKEFLAGS="$MAKEFLAGS PYTHON_PATH=/usr/bin/python3 USE_LIBPCRE2=Yes"
MAKEFLAGS="$MAKEFLAGS NO_REGEX=Yes ICONV_OMITS_BOM=Yes"
MAKEFLAGS="$MAKEFLAGS GIT_TEST_UTF8_LOCALE=C.UTF-8"
;;
esac
case "$jobname" in
linux-leaks)
export SANITIZE=leak
export GIT_TEST_PASSING_SANITIZE_LEAK=true
;;
esac
MAKEFLAGS="$MAKEFLAGS CC=${CC:-cc}"
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