Chris Hennick created MNG-6858:
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Summary: Need a way to skip empty-string arguments
Key: MNG-6858
URL: https://issues.apache.org/jira/browse/MNG-6858
Project: Maven
Issue Type: Improvement
Components: Command Line
Affects Versions: 3.6.1
Environment: Ubuntu 19.10
Reporter: Chris Hennick
I have a bash script that sets a sometimes-empty variable as follows:
{{if [ "${ANDROID}" = "true" ]; then}}
{{ MAYBE_ANDROID_FLAG=-Pandroid}}
{{else}}
{{ MAYBE_ANDROID_FLAG=}}
{{fi}}
{{It's used like so:}}
{{mvn ${MAYBE_ANDROID_FLAG} clean compile jacoco:instrument
jacoco:prepare-agent \}}
{{ test jacoco:restore-instrumented-classes jacoco:report -e -B}}
{code:java}
Shell-scripting best practices dictate that ${MAYBE_ANDROID_FLAG} above should
be in double quotes, but when I do that, I get 'Unknown lifecycle phase ""'.
For it to be possible to follow best practices, then, we need a way to make
Maven skip over command-line arguments that are empty strings.
{code}
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