Get the committer of a commit, using the mailmap to map names and email
addresses to canonical real names and email addresses.
Call git_signature_free to free the signature.
@param out_ a pointer to store the resolved signature.
@param commit a previously loaded commit.
@param mailmap the mailmap to resolve with. (may be NULL)
@return 0 or an error code
Get the committer of a commit, using the mailmap to map names and email addresses to canonical real names and email addresses.
Call git_signature_free to free the signature.
@param out_ a pointer to store the resolved signature. @param commit a previously loaded commit. @param mailmap the mailmap to resolve with. (may be NULL) @return 0 or an error code