4389 webrev should fetch preparer info from git if available

*** 24,33 ****
--- 24,34 ----
  # Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
  #
  
  # Copyright 2008, 2010, Richard Lowe
  # Copyright 2012 Marcel Telka <marcel@telka.sk>
+ # Copyright 2013 Ivan Richwalski <ivan@seppuku.net>
  
  #
  # This script takes a file list and a workspace and builds a set of html files
  # suitable for doing a code review of source changes via a web page.
  # Documentation is available via the manual page, webrev.1, or just
*** 3478,3497 ****
  #
  # If the SCM detected is Mercurial, and the configuration property
  # ui.username is available, use that, but be careful to properly escape
  # angle brackets (HTML syntax characters) in the email address.
  #
  # Otherwise, use the current userid in the form "John Doe (jdoe)", but
  # to maintain compatibility with passwd(4), we must support '&' substitutions.
  #
  preparer=
  if [[ "$SCM_MODE" == mercurial ]]; then
          preparer=`hg showconfig ui.username 2>/dev/null`
!         if [[ -n "$preparer" ]]; then
!                 preparer="$(echo "$preparer" | html_quote)"
          fi
  fi
  if [[ -z "$preparer" ]]; then
          preparer=$(
              $PERL -e '
                  ($login, $pw, $uid, $gid, $quota, $cmt, $gcos) = getpwuid($<);
                  if ($login) {
--- 3479,3506 ----
  #
  # If the SCM detected is Mercurial, and the configuration property
  # ui.username is available, use that, but be careful to properly escape
  # angle brackets (HTML syntax characters) in the email address.
  #
+ # For git, use the user.name and user.email properties if they are set.
+ #
  # Otherwise, use the current userid in the form "John Doe (jdoe)", but
  # to maintain compatibility with passwd(4), we must support '&' substitutions.
  #
  preparer=
  if [[ "$SCM_MODE" == mercurial ]]; then
          preparer=`hg showconfig ui.username 2>/dev/null`
! elif [[ "$SCM_MODE" == git ]]; then
!         preparer=$( git config user.name 2>/dev/null )
!         prepmail=$( git config user.email 2>/dev/null )
!         if [[ -n "$prepmail" ]]; then
!                 preparer="$preparer <$prepmail>"
          fi
  fi
+ if [[ -n "$preparer" ]]; then
+         preparer="$(echo "$preparer" | html_quote)"
+ fi
  if [[ -z "$preparer" ]]; then
          preparer=$(
              $PERL -e '
                  ($login, $pw, $uid, $gid, $quota, $cmt, $gcos) = getpwuid($<);
                  if ($login) {