1# Library of functions shared by all CI scripts 2 3skip_branch_tip_with_tag () { 4 # Sometimes, a branch is pushed at the same time the tag that points 5 # at the same commit as the tip of the branch is pushed, and building 6 # both at the same time is a waste. 7 # 8 # When the build is triggered by a push to a tag, $CI_BRANCH will 9 # have that tagname, e.g. v2.14.0. Let's see if $CI_BRANCH is 10 # exactly at a tag, and if so, if it is different from $CI_BRANCH. 11 # That way, we can tell if we are building the tip of a branch that 12 # is tagged and we can skip the build because we won't be skipping a 13 # build of a tag. 14 15 if TAG=$(git describe --exact-match "$CI_BRANCH" 2>/dev/null) && 16 test "$TAG" != "$CI_BRANCH" 17 then 18 echo "$(tput setaf 2)Tip of $CI_BRANCH is exactly at $TAG$(tput sgr0)" 19 exit 0 20 fi 21} 22 23# Save some info about the current commit's tree, so we can skip the build 24# job if we encounter the same tree again and can provide a useful info 25# message. 26save_good_tree () { 27 echo "$(git rev-parse $CI_COMMIT^{tree}) $CI_COMMIT $CI_JOB_NUMBER $CI_JOB_ID" >>"$good_trees_file" 28 # limit the file size 29 tail -1000 "$good_trees_file" >"$good_trees_file".tmp 30 mv "$good_trees_file".tmp "$good_trees_file" 31} 32 33# Skip the build job if the same tree has already been built and tested 34# successfully before (e.g. because the branch got rebased, changing only 35# the commit messages). 36skip_good_tree () { 37 if ! good_tree_info="$(grep "^$(git rev-parse $CI_COMMIT^{tree}) " "$good_trees_file")" 38 then 39 # Haven't seen this tree yet, or no cached good trees file yet. 40 # Continue the build job. 41 return 42 fi 43 44 echo "$good_tree_info" | { 45 read tree prev_good_commit prev_good_job_number prev_good_job_id 46 47 if test "$CI_JOB_ID" = "$prev_good_job_id" 48 then 49 cat <<-EOF 50 $(tput setaf 2)Skipping build job for commit $CI_COMMIT.$(tput sgr0) 51 This commit has already been built and tested successfully by this build job. 52 To force a re-build delete the branch's cache and then hit 'Restart job'. 53 EOF 54 else 55 cat <<-EOF 56 $(tput setaf 2)Skipping build job for commit $CI_COMMIT.$(tput sgr0) 57 This commit's tree has already been built and tested successfully in build job $prev_good_job_number for commit $prev_good_commit. 58 The log of that build job is available at $(url_for_job_id $prev_good_job_id) 59 To force a re-build delete the branch's cache and then hit 'Restart job'. 60 EOF 61 fi 62 } 63 64 exit 0 65} 66 67check_unignored_build_artifacts () 68{ 69 ! git ls-files --other --exclude-standard --error-unmatch \ 70 -- ':/*' 2>/dev/null || 71 { 72 echo "$(tput setaf 1)error: found unignored build artifacts$(tput sgr0)" 73 false 74 } 75} 76 77# Set 'exit on error' for all CI scripts to let the caller know that 78# something went wrong. 79# Set tracing executed commands, primarily setting environment variables 80# and installing dependencies. 81set -ex 82 83if test true = "$TRAVIS" 84then 85 CI_TYPE=travis 86 # When building a PR, TRAVIS_BRANCH refers to the *target* branch. Not 87 # what we want here. We want the source branch instead. 88 CI_BRANCH="${TRAVIS_PULL_REQUEST_BRANCH:-$TRAVIS_BRANCH}" 89 CI_COMMIT="$TRAVIS_COMMIT" 90 CI_JOB_ID="$TRAVIS_JOB_ID" 91 CI_JOB_NUMBER="$TRAVIS_JOB_NUMBER" 92 CI_OS_NAME="$TRAVIS_OS_NAME" 93 CI_REPO_SLUG="$TRAVIS_REPO_SLUG" 94 95 cache_dir="$HOME/travis-cache" 96 97 url_for_job_id () { 98 echo "https://travis-ci.org/$CI_REPO_SLUG/jobs/$1" 99 } 100 101 BREW_INSTALL_PACKAGES="git-lfs gettext" 102 export GIT_PROVE_OPTS="--timer --jobs 3 --state=failed,slow,save" 103 export GIT_TEST_OPTS="--verbose-log -x --immediate" 104else 105 echo "Could not identify CI type" >&2 106 exit 1 107fi 108 109good_trees_file="$cache_dir/good-trees" 110 111mkdir -p "$cache_dir" 112 113skip_branch_tip_with_tag 114skip_good_tree 115 116if test -z "$jobname" 117then 118 jobname="$CI_OS_NAME-$CC" 119fi 120 121export DEVELOPER=1 122export DEFAULT_TEST_TARGET=prove 123export GIT_TEST_CLONE_2GB=YesPlease 124if [ "$jobname" = linux-gcc ]; then 125 export CC=gcc-8 126fi 127 128case "$jobname" in 129linux-clang|linux-gcc) 130 export GIT_TEST_HTTPD=YesPlease 131 132 # The Linux build installs the defined dependency versions below. 133 # The OS X build installs the latest available versions. Keep that 134 # in mind when you encounter a broken OS X build! 135 export LINUX_P4_VERSION="16.2" 136 export LINUX_GIT_LFS_VERSION="1.5.2" 137 138 P4_PATH="$HOME/custom/p4" 139 GIT_LFS_PATH="$HOME/custom/git-lfs" 140 export PATH="$GIT_LFS_PATH:$P4_PATH:$PATH" 141 ;; 142osx-clang|osx-gcc) 143 # t9810 occasionally fails on Travis CI OS X 144 # t9816 occasionally fails with "TAP out of sequence errors" on 145 # Travis CI OS X 146 export GIT_SKIP_TESTS="t9810 t9816" 147 ;; 148GIT_TEST_GETTEXT_POISON) 149 export GIT_TEST_GETTEXT_POISON=YesPlease 150 ;; 151esac