| # 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. |
| # |
| # Travis gives a tagname e.g. v2.14.0 in $TRAVIS_BRANCH when |
| # the build is triggered by a push to a tag. Let's see if |
| # $TRAVIS_BRANCH is exactly at a tag, and if so, if it is |
| # different from $TRAVIS_BRANCH. That way, we can tell if |
| # we are building the tip of a branch that is tagged and |
| # we can skip the build because we won't be skipping a build |
| # of a tag. |
| |
| if TAG=$(git describe --exact-match "$TRAVIS_BRANCH" 2>/dev/null) && |
| test "$TAG" != "$TRAVIS_BRANCH" |
| then |
| echo "$(tput setaf 2)Tip of $TRAVIS_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 $TRAVIS_COMMIT^{tree}) $TRAVIS_COMMIT $TRAVIS_JOB_NUMBER $TRAVIS_JOB_ID" >>"$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 ! good_tree_info="$(grep "^$(git rev-parse $TRAVIS_COMMIT^{tree}) " "$good_trees_file")" |
| then |
| # Haven't seen this tree yet, or no cached good trees file yet. |
| # Continue the build job. |
| return |
| fi |
| |
| echo "$good_tree_info" | { |
| read tree prev_good_commit prev_good_job_number prev_good_job_id |
| |
| if test "$TRAVIS_JOB_ID" = "$prev_good_job_id" |
| then |
| cat <<-EOF |
| $(tput setaf 2)Skipping build job for commit $TRAVIS_COMMIT.$(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 $TRAVIS_COMMIT.$(tput sgr0) |
| This commit's tree has already been built and tested successfully in build job $prev_good_job_number for commit $prev_good_commit. |
| The log of that build job is available at https://travis-ci.org/$TRAVIS_REPO_SLUG/jobs/$prev_good_job_id |
| To force a re-build delete the branch's cache and then hit 'Restart job'. |
| EOF |
| fi |
| } |
| |
| exit 0 |
| } |
| |
| check_unignored_build_artifacts () |
| { |
| ! git ls-files --other --exclude-standard --error-unmatch \ |
| -- ':/*' 2>/dev/null || |
| { |
| echo "$(tput setaf 1)error: found unignored build artifacts$(tput sgr0)" |
| false |
| } |
| } |
| |
| # Set 'exit on error' for all CI scripts to let the caller know that |
| # something went wrong. |
| # Set tracing executed commands, primarily setting environment variables |
| # and installing dependencies. |
| set -ex |
| |
| cache_dir="$HOME/travis-cache" |
| good_trees_file="$cache_dir/good-trees" |
| |
| mkdir -p "$cache_dir" |
| |
| skip_branch_tip_with_tag |
| skip_good_tree |
| |
| if test -z "$jobname" |
| then |
| jobname="$TRAVIS_OS_NAME-$CC" |
| fi |
| |
| export DEVELOPER=1 |
| export DEFAULT_TEST_TARGET=prove |
| export GIT_PROVE_OPTS="--timer --jobs 3 --state=failed,slow,save" |
| export GIT_TEST_OPTS="--verbose-log -x" |
| export GIT_TEST_CLONE_2GB=YesPlease |
| if [ "$jobname" = linux-gcc ]; then |
| export CC=gcc-8 |
| fi |
| |
| case "$jobname" in |
| linux-clang|linux-gcc) |
| export GIT_TEST_HTTPD=YesPlease |
| |
| # The Linux build installs the defined dependency versions below. |
| # The OS X build installs the latest available versions. Keep that |
| # in mind when you encounter a broken OS X build! |
| export LINUX_P4_VERSION="16.2" |
| export LINUX_GIT_LFS_VERSION="1.5.2" |
| |
| P4_PATH="$HOME/custom/p4" |
| GIT_LFS_PATH="$HOME/custom/git-lfs" |
| export PATH="$GIT_LFS_PATH:$P4_PATH:$PATH" |
| ;; |
| osx-clang|osx-gcc) |
| # t9810 occasionally fails on Travis CI OS X |
| # t9816 occasionally fails with "TAP out of sequence errors" on |
| # Travis CI OS X |
| export GIT_SKIP_TESTS="t9810 t9816" |
| ;; |
| GETTEXT_POISON) |
| export GETTEXT_POISON=YesPlease |
| ;; |
| esac |