git-commit-vandalism/ci/lib-travisci.sh
Lars Schneider 8376eb4a8f travis-ci: fix "skip_branch_tip_with_tag()" string comparison
09f5e97 ("travis-ci: skip a branch build if equal tag is present",
2017-09-17) introduced the "skip_branch_tip_with_tag" function with
a broken string comparison. Fix it!

Reported-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-09-22 10:58:29 +09:00

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# Library of functions shared by all CI scripts
skip_branch_tip_with_tag () {
# Sometimes, a branch is pushed at the same time the tag that points
# at the same commit as the tip of the branch is pushed, and building
# both at the same time is a waste.
#
# Travis gives a tagname e.g. v2.14.0 in $TRAVIS_BRANCH when
# the build is triggered by a push to a tag. Let's see if
# $TRAVIS_BRANCH is exactly at a tag, and if so, if it is
# different from $TRAVIS_BRANCH. That way, we can tell if
# we are building the tip of a branch that is tagged and
# we can skip the build because we won't be skipping a build
# of a tag.
if TAG=$(git describe --exact-match "$TRAVIS_BRANCH" 2>/dev/null) &&
test "$TAG" != "$TRAVIS_BRANCH"
then
echo "Tip of $TRAVIS_BRANCH is exactly at $TAG"
exit 0
fi
}
# Set 'exit on error' for all CI scripts to let the caller know that
# something went wrong
set -e
skip_branch_tip_with_tag