diff options
Diffstat (limited to 'ci/lib-travisci.sh')
| -rwxr-xr-x | ci/lib-travisci.sh | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/ci/lib-travisci.sh b/ci/lib-travisci.sh new file mode 100755 index 0000000000..b3ed0a0dda --- /dev/null +++ b/ci/lib-travisci.sh @@ -0,0 +1,28 @@ +# 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 |