remote-hg: improve email sanitation

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

contrib/remote-helpers/git-remote-hg

@@ -51,6 +51,7 @@ import urlparse
 
 NAME_RE = re.compile('^([^<>]+)')
 AUTHOR_RE = re.compile('^([^<>]+?)? ?<([^<>]*)>$')
+EMAIL_RE = re.compile('^([^<>]+[^ \\\t<>])?\\b(?:[ \\t<>]*?)\\b([^ \\t<>]+@[^ \\t<>]+)')
 AUTHOR_HG_RE = re.compile('^(.*?) ?<(.*?)(?:>(.+)?)?$')
 RAW_AUTHOR_RE = re.compile('^(\w+) (?:(.+)? )?<(.*)> (\d+) ([+-]\d+)')
 
@@ -245,9 +246,14 @@ def fixup_user_git(user):
         name = m.group(1)
         mail = m.group(2).strip()
     else:
-        m = NAME_RE.match(user)
+        m = EMAIL_RE.match(user)
         if m:
-            name = m.group(1).strip()
+            name = m.group(1)
+            mail = m.group(2)
+        else:
+            m = NAME_RE.match(user)
+            if m:
+                name = m.group(1).strip()
     return (name, mail)
 
 def fixup_user_hg(user):

contrib/remote-helpers/test-hg.sh

@@ -137,15 +137,15 @@ test_expect_success 'authors' '
 
   author_test alpha "" "H G Wells <wells@example.com>" &&
   author_test beta "test" "test <unknown>" &&
-  author_test beta "test <test@example.com> (comment)" "test <unknown>" &&
+  author_test beta "test <test@example.com> (comment)" "test <test@example.com>" &&
   author_test gamma "<test@example.com>" "Unknown <test@example.com>" &&
   author_test delta "name<test@example.com>" "name <test@example.com>" &&
-  author_test epsilon "name <test@example.com" "name <unknown>" &&
+  author_test epsilon "name <test@example.com" "name <test@example.com>" &&
   author_test zeta " test " "test <unknown>" &&
   author_test eta "test < test@example.com >" "test <test@example.com>" &&
-  author_test theta "test >test@example.com>" "test <unknown>" &&
+  author_test theta "test >test@example.com>" "test <test@example.com>" &&
   author_test iota "test < test <at> example <dot> com>" "test <unknown>" &&
-  author_test kappa "test@example.com" "test@example.com <unknown>"
+  author_test kappa "test@example.com" "Unknown <test@example.com>"
   ) &&
 
   git clone "hg::$PWD/hgrepo" gitrepo &&