Sync with Git 2.16.4
[gitweb.git] / ci / lib-travisci.sh
index ac05f1f4694347bbd96fe1911aa33450d43ae24f..109ef280da9884027f17fe7f233b6b818bd71393 100755 (executable)
@@ -16,21 +16,111 @@ skip_branch_tip_with_tag () {
        if TAG=$(git describe --exact-match "$TRAVIS_BRANCH" 2>/dev/null) &&
                test "$TAG" != "$TRAVIS_BRANCH"
        then
-               echo "Tip of $TRAVIS_BRANCH is exactly at $TAG"
+               echo "$(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$(tput sgr0)"
+               false
+       }
+}
+
 # Set 'exit on error' for all CI scripts to let the caller know that
-# something went wrong
-set -e
+# something went wrong.
+# Set tracing executed commands, primarily setting environment variables
+# and installing dependencies.
+set -ex
+
+cache_dir="$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
 
-case "${TRAVIS_OS_NAME:-linux}" in
-linux)
-       P4_PATH="$(pwd)/custom/p4"
-       GIT_LFS_PATH="$(pwd)/custom/git-lfs"
+case "$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