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