Andrew's git - gitweb.git/blob - ci/lib-travisci.sh

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