It's still just a guess, and the result is not a real email
address anyway. If you want to, you can use COMMIT_AUTHOR_EMAIL
to correct for any git guesses.
memcpy(realemail, pw->pw_name, len);
realemail[len] = '@';
gethostname(realemail+len+1, sizeof(realemail)-len-1);
- strcat(realemail, ".");
- getdomainname(realemail+strlen(realemail), sizeof(realemail)-strlen(realemail)-1);
+ if (!strchr(realemail+len+1, '.')) {
+ strcat(realemail, ".");
+ getdomainname(realemail+strlen(realemail), sizeof(realemail)-strlen(realemail)-1);
+ }
time(&now);
tm = localtime(&now);