git-check-mailmap

Check mailmap entry

$ git check-mailmap "[Name] <email@example.com>"

$ git check-mailmap "[Name1] <email1>" "[Name2] <email2>"

$ echo "[Name] <email>" | git check-mailmap --stdin

git check-mailmap [options] contact

git check-mailmap looks up canonical names and email addresses using the mailmap file. It translates author/committer identities to their canonical forms as configured in .mailmap.
The mailmap feature consolidates identity variations (typos, name changes, multiple emails) to canonical forms. This command shows how identities will be mapped in git log and shortlog output.
This is primarily a debugging tool for verifying that .mailmap entries are correctly resolving contributor identities before relying on them in reports or statistics.

CONTACT

Contact in "Name <email>" format.

Read contacts from stdin.

Display help information.

.mailmap

Maps author and committer names/emails to canonical forms, consolidating identity variations in logs and statistics.

Requires .mailmap file in repository. Input must be proper "Name <email>" format. Used mainly for debugging.

git check-mailmap was added to Git to support debugging mailmap configurations, complementing git shortlog -e functionality.

git-shortlog(1), git-log(1)