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Expressions

Expressions provide dynamic values to your pipeline at runtime.

Gitness provides variables that can be referenced in expressions and conditions. Expressions are also used to reference secrets.

Variables‚Äč

Variables can be referenced throughout your pipeline with the expression syntax ${{ variable.name }}.

This pipeline sends a message to slack containing the build number after the test step completes.

kind: pipeline
spec:
stages:
- type: ci
spec:
steps:
- name: test
type: run
spec:
container: maven:3-jdk-10
script: |-
mvn install -DskipTests=true -Dmaven.javadoc.skip=true -B -V

- name: notify
type: plugin
spec:
name: slack
inputs:
template: build number ${{ build.number }} completed
webhook: ${{ secrets.get("slack_webhook") }}

This pipeline prints all files changed in the commit range based on the before and after commits.

kind: pipeline
spec:
stages:
- type: ci
spec:
steps:
- name: print files changed
type: run
spec:
container: alpine/git
script: |-
git diff --name-only ${{ build.before }}..${{ build.after }} > files_changed.txt

for FILE in $(cat files_changed.txt); do
echo $FILE was changed
done