b92cb86ea1
Every once in a while our explicit .gitignore files get out of sync when our build process learns to create new artifacts, like test helper executables, but the .gitignore files are not updated accordingly. Use Travis CI to help catch such issues earlier: check that there are no untracked files at the end of any build jobs building Git (i.e. the 64 bit Clang and GCC Linux and OSX build jobs, plus the GETTEXT_POISON and 32 bit Linux build jobs) or its documentation, and fail the build job if there are any present. Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
126 lines
3.9 KiB
Bash
Executable File
126 lines
3.9 KiB
Bash
Executable File
# Library of functions shared by all CI scripts
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skip_branch_tip_with_tag () {
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# Sometimes, a branch is pushed at the same time the tag that points
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# at the same commit as the tip of the branch is pushed, and building
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# both at the same time is a waste.
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#
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# Travis gives a tagname e.g. v2.14.0 in $TRAVIS_BRANCH when
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# the build is triggered by a push to a tag. Let's see if
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# $TRAVIS_BRANCH is exactly at a tag, and if so, if it is
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# different from $TRAVIS_BRANCH. That way, we can tell if
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# we are building the tip of a branch that is tagged and
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# we can skip the build because we won't be skipping a build
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# of a tag.
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if TAG=$(git describe --exact-match "$TRAVIS_BRANCH" 2>/dev/null) &&
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test "$TAG" != "$TRAVIS_BRANCH"
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then
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echo "$(tput setaf 2)Tip of $TRAVIS_BRANCH is exactly at $TAG$(tput sgr0)"
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exit 0
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fi
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}
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good_trees_file="$HOME/travis-cache/good-trees"
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# Save some info about the current commit's tree, so we can skip the build
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# job if we encounter the same tree again and can provide a useful info
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# message.
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save_good_tree () {
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echo "$(git rev-parse $TRAVIS_COMMIT^{tree}) $TRAVIS_COMMIT $TRAVIS_JOB_NUMBER $TRAVIS_JOB_ID" >>"$good_trees_file"
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# limit the file size
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tail -1000 "$good_trees_file" >"$good_trees_file".tmp
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mv "$good_trees_file".tmp "$good_trees_file"
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}
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# Skip the build job if the same tree has already been built and tested
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# successfully before (e.g. because the branch got rebased, changing only
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# the commit messages).
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skip_good_tree () {
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if ! good_tree_info="$(grep "^$(git rev-parse $TRAVIS_COMMIT^{tree}) " "$good_trees_file")"
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then
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# Haven't seen this tree yet, or no cached good trees file yet.
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# Continue the build job.
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return
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fi
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echo "$good_tree_info" | {
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read tree prev_good_commit prev_good_job_number prev_good_job_id
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if test "$TRAVIS_JOB_ID" = "$prev_good_job_id"
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then
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cat <<-EOF
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$(tput setaf 2)Skipping build job for commit $TRAVIS_COMMIT.$(tput sgr0)
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This commit has already been built and tested successfully by this build job.
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To force a re-build delete the branch's cache and then hit 'Restart job'.
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EOF
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else
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cat <<-EOF
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$(tput setaf 2)Skipping build job for commit $TRAVIS_COMMIT.$(tput sgr0)
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This commit's tree has already been built and tested successfully in build job $prev_good_job_number for commit $prev_good_commit.
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The log of that build job is available at https://travis-ci.org/$TRAVIS_REPO_SLUG/jobs/$prev_good_job_id
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To force a re-build delete the branch's cache and then hit 'Restart job'.
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EOF
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fi
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}
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exit 0
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}
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check_unignored_build_artifacts ()
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{
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! git ls-files --other --exclude-standard --error-unmatch \
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-- ':/*' 2>/dev/null ||
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{
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echo "$(tput setaf 1)error: found unignored build artifacts$(tput sgr0)"
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false
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}
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}
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# Set 'exit on error' for all CI scripts to let the caller know that
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# something went wrong.
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# Set tracing executed commands, primarily setting environment variables
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# and installing dependencies.
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set -ex
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mkdir -p "$HOME/travis-cache"
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skip_branch_tip_with_tag
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skip_good_tree
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if test -z "$jobname"
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then
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jobname="$TRAVIS_OS_NAME-$CC"
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fi
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export DEVELOPER=1
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export DEFAULT_TEST_TARGET=prove
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export GIT_PROVE_OPTS="--timer --jobs 3 --state=failed,slow,save"
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export GIT_TEST_OPTS="--verbose-log"
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export GIT_TEST_CLONE_2GB=YesPlease
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case "$jobname" in
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linux-clang|linux-gcc)
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export GIT_TEST_HTTPD=YesPlease
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# The Linux build installs the defined dependency versions below.
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# The OS X build installs the latest available versions. Keep that
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# in mind when you encounter a broken OS X build!
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export LINUX_P4_VERSION="16.2"
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export LINUX_GIT_LFS_VERSION="1.5.2"
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P4_PATH="$HOME/custom/p4"
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GIT_LFS_PATH="$HOME/custom/git-lfs"
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export PATH="$GIT_LFS_PATH:$P4_PATH:$PATH"
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;;
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osx-clang|osx-gcc)
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# t9810 occasionally fails on Travis CI OS X
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# t9816 occasionally fails with "TAP out of sequence errors" on
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# Travis CI OS X
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export GIT_SKIP_TESTS="t9810 t9816"
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;;
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GETTEXT_POISON)
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export GETTEXT_POISON=YesPlease
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;;
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esac
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