Github-plugin for Jenkins get committer and author name

Question

If I understand well, git plugin exposes committer and author names and emails to environmental variables GIT_AUTHOR_NAME, GIT_COMMITTER_NAME,

Answer 1

In reality these variables are available just when you overwrite the Author Name and Author Email on the Advanced features of the SCM configuration.

"Additional Behaviours" -> "Custom user name/email address"

This is described on the source code: https://github.com/jenkinsci/git-plugin/tree/master/src/main/java/hudson/plugins/git

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Solution: In order to retrieve the author name and email I suggest scripting this:

GIT_NAME=$(git --no-pager show -s --format='%an' $GIT_COMMIT)
GIT_EMAIL=$(git --no-pager show -s --format='%ae' $GIT_COMMIT)

Being $GIT_COMMIT the SHA1 commit id.