Add .mailmap support

identity.go

@@ -77,10 +77,40 @@ func (id *IdentityDetector) LoadPeopleDict(path string) error {
 }
 
 func (id *IdentityDetector) GeneratePeopleDict(commits []*object.Commit) {
-	dict := make(map[string]int)
-	emails := make(map[int][]string)
-	names := make(map[int][]string)
+	dict := map[string]int{}
+	emails := map[int][]string{}
+	names := map[int][]string{}
 	size := 0
+
+	mailmapFile, err := commits[len(commits) - 1].File(".mailmap")
+	if err == nil {
+		mailMapContents, err := mailmapFile.Contents()
+		if err == nil {
+			mailmap := ParseMailmap(mailMapContents)
+			for key, val := range mailmap {
+				key = strings.ToLower(key)
+				toEmail := strings.ToLower(val.Email)
+				toName := strings.ToLower(val.Name)
+				id, exists := dict[toEmail]
+				if !exists {
+					id, exists = dict[toName]
+				}
+				if exists {
+					dict[key] = id
+				} else {
+					if toEmail != "" {
+						dict[toEmail] = size
+					}
+					if toName != "" {
+						dict[toName] = size
+					}
+					dict[key] = size
+					size += 1
+				}
+			}
+		}
+	}
+
 	for _, commit := range commits {
 		email := strings.ToLower(commit.Author.Email)
 		name := strings.ToLower(commit.Author.Name)

mailmap.go

@@ -0,0 +1,46 @@
+package hercules
+
+import (
+	"strings"
+
+	"gopkg.in/src-d/go-git.v4/plumbing/object"
+)
+
+func ParseMailmap(contents string) map[string]object.Signature {
+  mm := map[string]object.Signature{}
+	lines := strings.Split(contents, "\n")
+	for _, line := range lines {
+		line = strings.TrimSpace(line)
+		if line == "" {
+			continue
+		}
+		if strings.HasPrefix(line, "#") {
+			continue
+		}
+		if strings.LastIndex(line, ">") != len(line) - 1 {
+			continue
+		}
+		ltp := strings.LastIndex(line, "<")
+		fromEmail := line[ltp + 1:len(line) - 1]
+		line = strings.TrimSpace(line[:ltp])
+		gtp := strings.LastIndex(line, ">")
+		fromName := ""
+		if gtp != len(line) - 1 {
+			fromName = strings.TrimSpace(line[gtp + 1:])
+		}
+		toEmail := ""
+		if gtp > 0 {
+			ltp = strings.LastIndex(line, "<")
+			toEmail = line[ltp + 1:gtp]
+			line = strings.TrimSpace(line[:ltp])
+		}
+		toName := line
+		if fromEmail != "" {
+			mm[fromEmail] = object.Signature{Name: toName, Email: toEmail}
+		}
+		if fromName != "" {
+			mm[fromName] = object.Signature{Name: toName, Email: toEmail}
+		}
+	}
+	return mm
+}

mailmap_test.go

@@ -0,0 +1,293 @@
+package hercules
+
+import (
+	"testing"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestParseMailmap(t *testing.T) {
+	contents := `#
+# This list is used by git-shortlog to fix a few botched name translations
+# in the git archive, either because the author's full name was messed up
+# and/or not always written the same way, making contributions from the
+# same person appearing not to be so.
+#
+
+<nico@fluxnic.net> <nico@cam.org>
+Alejandro R. Sedeño <asedeno@MIT.EDU> <asedeno@mit.edu>
+Alex Bennée <kernel-hacker@bennee.com>
+Alex Riesen <raa.lkml@gmail.com> <fork0@t-online.de>
+Alex Riesen <raa.lkml@gmail.com> <raa@limbo.localdomain>
+Alex Riesen <raa.lkml@gmail.com> <raa@steel.home>
+Alex Vandiver <alex@chmrr.net> <alexmv@MIT.EDU>
+Alexander Gavrilov <angavrilov@gmail.com>
+Alexander Kuleshov <kuleshovmail@gmail.com>
+Alexey Shumkin <alex.crezoff@gmail.com> <zapped@mail.ru>
+Alexey Shumkin <alex.crezoff@gmail.com> <Alex.Crezoff@gmail.com>
+Anders Kaseorg <andersk@MIT.EDU> <andersk@ksplice.com>
+Anders Kaseorg <andersk@MIT.EDU> <andersk@mit.edu>
+Aneesh Kumar K.V <aneesh.kumar@gmail.com>
+Amos Waterland <apw@debian.org> <apw@rossby.metr.ou.edu>
+Amos Waterland <apw@debian.org> <apw@us.ibm.com>
+Ben Walton <bdwalton@gmail.com> <bwalton@artsci.utoronto.ca>
+Benoit Sigoure <tsunanet@gmail.com> <tsuna@lrde.epita.fr>
+Bernt Hansen <bernt@norang.ca> <bernt@alumni.uwaterloo.ca>
+Brandon Casey <drafnel@gmail.com> <casey@nrlssc.navy.mil>
+brian m. carlson <sandals@crustytoothpaste.ath.cx> Brian M. Carlson <sandals@crustytoothpaste.ath.cx>
+brian m. carlson <sandals@crustytoothpaste.ath.cx> <sandals@crustytoothpaste.net>
+Bryan Larsen <bryan@larsen.st> <bryan.larsen@gmail.com>
+Bryan Larsen <bryan@larsen.st> <bryanlarsen@yahoo.com>
+Cheng Renquan <crquan@gmail.com>
+Chris Shoemaker <c.shoemaker@cox.net>
+Chris Wright <chrisw@sous-sol.org> <chrisw@osdl.org>
+Cord Seele <cowose@gmail.com> <cowose@googlemail.com>
+Christian Couder <chriscool@tuxfamily.org> <christian.couder@gmail.com>
+Christian Stimming <stimming@tuhh.de> <chs@ckiste.goetheallee>
+Csaba Henk <csaba@gluster.com> <csaba@lowlife.hu>
+Dan Johnson <computerdruid@gmail.com>
+Dana L. How <danahow@gmail.com> <how@deathvalley.cswitch.com>
+Dana L. How <danahow@gmail.com> Dana How
+Daniel Barkalow <barkalow@iabervon.org>
+Daniel Trstenjak <daniel.trstenjak@gmail.com> <daniel.trstenjak@online.de>
+Daniel Trstenjak <daniel.trstenjak@gmail.com> <trsten@science-computing.de>
+David Brown <git@davidb.org> <davidb@quicinc.com>
+David D. Kilzer <ddkilzer@kilzer.net>
+David Kågedal <davidk@lysator.liu.se>
+David Reiss <dreiss@facebook.com> <dreiss@dreiss-vmware.(none)>
+David S. Miller <davem@davemloft.net>
+David Turner <novalis@novalis.org> <dturner@twopensource.com>
+David Turner <novalis@novalis.org> <dturner@twosigma.com>
+Deskin Miller <deskinm@umich.edu>
+Dirk Süsserott <newsletter@dirk.my1.cc>
+Eric Blake <eblake@redhat.com> <ebb9@byu.net>
+Eric Hanchrow <eric.hanchrow@gmail.com> <offby1@blarg.net>
+Eric S. Raymond <esr@thyrsus.com>
+Eric Wong <e@80x24.org> <normalperson@yhbt.net>
+Erik Faye-Lund <kusmabite@gmail.com> <kusmabite@googlemail.com>
+Eyvind Bernhardsen <eyvind.bernhardsen@gmail.com> <eyvind-git@orakel.ntnu.no>
+Florian Achleitner <florian.achleitner.2.6.31@gmail.com> <florian.achleitner2.6.31@gmail.com>
+Franck Bui-Huu <vagabon.xyz@gmail.com> <fbuihuu@gmail.com>
+Frank Lichtenheld <frank@lichtenheld.de> <djpig@debian.org>
+Frank Lichtenheld <frank@lichtenheld.de> <flichtenheld@astaro.com>
+Fredrik Kuivinen <frekui@gmail.com> <freku045@student.liu.se>
+Frédéric Heitzmann <frederic.heitzmann@gmail.com>
+Garry Dolley <gdolley@ucla.edu> <gdolley@arpnetworks.com>
+Greg Price <price@mit.edu> <price@MIT.EDU>
+Greg Price <price@mit.edu> <price@ksplice.com>
+Heiko Voigt <hvoigt@hvoigt.net> <git-list@hvoigt.net>
+H. Merijn Brand <h.m.brand@xs4all.nl> H.Merijn Brand <h.m.brand@xs4all.nl>
+H. Peter Anvin <hpa@zytor.com> <hpa@bonde.sc.orionmulti.com>
+H. Peter Anvin <hpa@zytor.com> <hpa@smyrno.hos.anvin.org>
+H. Peter Anvin <hpa@zytor.com> <hpa@tazenda.sc.orionmulti.com>
+H. Peter Anvin <hpa@zytor.com> <hpa@trantor.hos.anvin.org>
+Han-Wen Nienhuys <hanwen@google.com> Han-Wen Nienhuys <hanwen@xs4all.nl>
+Horst H. von Brand <vonbrand@inf.utfsm.cl>
+J. Bruce Fields <bfields@citi.umich.edu> <bfields@fieldses.org>
+J. Bruce Fields <bfields@citi.umich.edu> <bfields@pig.linuxdev.us.dell.com>
+J. Bruce Fields <bfields@citi.umich.edu> <bfields@puzzle.fieldses.org>
+Jakub Narębski <jnareb@gmail.com>
+James Y Knight <jknight@itasoftware.com> <foom@fuhm.net>
+# The 2 following authors are probably the same person,
+# but both emails bounce.
+Jason McMullan <jason.mcmullan@timesys.com>
+Jason McMullan <mcmullan@netapp.com>
+Jason Riedy <ejr@eecs.berkeley.edu> <ejr@EECS.Berkeley.EDU>
+Jason Riedy <ejr@eecs.berkeley.edu> <ejr@cs.berkeley.edu>
+Jay Soffian <jaysoffian@gmail.com> <jaysoffian+git@gmail.com>
+Jeff King <peff@peff.net> <peff@github.com>
+Jeff Muizelaar <jmuizelaar@mozilla.com> <jeff@infidigm.net>
+Jens Axboe <axboe@kernel.dk> <axboe@suse.de>
+Jens Axboe <axboe@kernel.dk> <jens.axboe@oracle.com>
+Jens Lindström <jl@opera.com> Jens Lindstrom <jl@opera.com>
+Jim Meyering <jim@meyering.net> <meyering@redhat.com>
+Joachim Berdal Haga <cjhaga@fys.uio.no>
+Johannes Schindelin <Johannes.Schindelin@gmx.de> <johannes.schindelin@gmx.de>
+Johannes Sixt <j6t@kdbg.org> <J.Sixt@eudaptics.com>
+Johannes Sixt <j6t@kdbg.org> <j.sixt@viscovery.net>
+Johannes Sixt <j6t@kdbg.org> <johannes.sixt@telecom.at>
+John 'Warthog9' Hawley <warthog9@kernel.org> <warthog9@eaglescrag.net>
+Jon Loeliger <jdl@jdl.com> <jdl@freescale.com>
+Jon Loeliger <jdl@jdl.com> <jdl@freescale.org>
+Jon Seymour <jon.seymour@gmail.com> <jon@blackcubes.dyndns.org>
+Jonathan Nieder <jrnieder@gmail.com> <jrnieder@uchicago.edu>
+Jonathan del Strother <jon.delStrother@bestbefore.tv> <maillist@steelskies.com>
+Josh Triplett <josh@joshtriplett.org> <josh@freedesktop.org>
+Josh Triplett <josh@joshtriplett.org> <josht@us.ibm.com>
+Julian Phillips <julian@quantumfyre.co.uk> <jp3@quantumfyre.co.uk>
+Junio C Hamano <gitster@pobox.com> <gitster@pobox.com>
+Junio C Hamano <gitster@pobox.com> <junio@hera.kernel.org>
+Junio C Hamano <gitster@pobox.com> <junio@kernel.org>
+Junio C Hamano <gitster@pobox.com> <junio@pobox.com>
+Junio C Hamano <gitster@pobox.com> <junio@twinsun.com>
+Junio C Hamano <gitster@pobox.com> <junkio@cox.net>
+Junio C Hamano <gitster@pobox.com> <junkio@twinsun.com>
+Karl Wiberg <kha@treskal.com> Karl  Hasselström
+Karl Wiberg <kha@treskal.com> <kha@yoghurt.hemma.treskal.com>
+Karsten Blees <blees@dcon.de> <karsten.blees@dcon.de>
+Karsten Blees <blees@dcon.de> <karsten.blees@gmail.com>
+Kay Sievers <kay.sievers@vrfy.org> <kay.sievers@suse.de>
+Kay Sievers <kay.sievers@vrfy.org> <kay@mam.(none)>
+Kazuki Saitoh <ksaitoh560@gmail.com> kazuki saitoh <ksaitoh560@gmail.com>
+Keith Cascio <keith@CS.UCLA.EDU> <keith@cs.ucla.edu>
+Kent Engstrom <kent@lysator.liu.se>
+Kevin Leung <kevinlsk@gmail.com>
+Kirill Smelkov <kirr@navytux.spb.ru> <kirr@landau.phys.spbu.ru>
+Kirill Smelkov <kirr@navytux.spb.ru> <kirr@mns.spb.ru>
+Knut Franke <Knut.Franke@gmx.de> <k.franke@science-computing.de>
+Lars Doelle <lars.doelle@on-line ! de>
+Lars Doelle <lars.doelle@on-line.de>
+Lars Noschinski <lars@public.noschinski.de> <lars.noschinski@rwth-aachen.de>
+Li Hong <leehong@pku.edu.cn>
+Linus Torvalds <torvalds@linux-foundation.org> <torvalds@evo.osdl.org>
+Linus Torvalds <torvalds@linux-foundation.org> <torvalds@g5.osdl.org>
+Linus Torvalds <torvalds@linux-foundation.org> <torvalds@osdl.org>
+Linus Torvalds <torvalds@linux-foundation.org> <torvalds@ppc970.osdl.org.(none)>
+Linus Torvalds <torvalds@linux-foundation.org> <torvalds@ppc970.osdl.org>
+Linus Torvalds <torvalds@linux-foundation.org> <torvalds@woody.linux-foundation.org>
+Lukas Sandström <luksan@gmail.com> <lukass@etek.chalmers.se>
+Marc Khouzam <marc.khouzam@ericsson.com> <marc.khouzam@gmail.com>
+Marc-André Lureau <marcandre.lureau@gmail.com>
+Marco Costalba <mcostalba@gmail.com> <mcostalba@yahoo.it>
+Mark Levedahl <mdl123@verizon.net> <mlevedahl@gmail.com>
+Mark Rada <marada@uwaterloo.ca>
+Martin Langhoff <martin@laptop.org> <martin@catalyst.net.nz>
+Martin von Zweigbergk <martinvonz@gmail.com> <martin.von.zweigbergk@gmail.com>
+Matt Draisey <matt@draisey.ca> <mattdraisey@sympatico.ca>
+Matt Kraai <kraai@ftbfs.org> <matt.kraai@amo.abbott.com>
+Matt McCutchen <matt@mattmccutchen.net> <hashproduct@gmail.com>
+Matthias Kestenholz <matthias@spinlock.ch> <mk@spinlock.ch>
+Matthias Urlichs <matthias@urlichs.de> <smurf@kiste.(none)>
+Matthias Urlichs <matthias@urlichs.de> <smurf@smurf.noris.de>
+Michael Coleman <tutufan@gmail.com>
+Michael J Gruber <git@grubix.eu> <michaeljgruber+gmane@fastmail.fm>
+Michael J Gruber <git@grubix.eu> <git@drmicha.warpmail.net>
+Michael S. Tsirkin <mst@kernel.org> <mst@redhat.com>
+Michael S. Tsirkin <mst@kernel.org> <mst@mellanox.co.il>
+Michael S. Tsirkin <mst@kernel.org> <mst@dev.mellanox.co.il>
+Michael W. Olson <mwolson@gnu.org>
+Michael Witten <mfwitten@gmail.com> <mfwitten@MIT.EDU>
+Michael Witten <mfwitten@gmail.com> <mfwitten@mit.edu>
+Michal Rokos <michal.rokos@nextsoft.cz> <rokos@nextsoft.cz>
+Michele Ballabio <barra_cuda@katamail.com>
+Miklos Vajna <vmiklos@frugalware.org> <vmiklos@suse.cz>
+Namhyung Kim <namhyung@gmail.com> <namhyung.kim@lge.com>
+Namhyung Kim <namhyung@gmail.com> <namhyung@kernel.org>
+Nanako Shiraishi <nanako3@lavabit.com> <nanako3@bluebottle.com>
+Nanako Shiraishi <nanako3@lavabit.com>
+Nelson Elhage <nelhage@mit.edu> <nelhage@MIT.EDU>
+Nelson Elhage <nelhage@mit.edu> <nelhage@ksplice.com>
+Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
+Nick Stokoe <nick@noodlefactory.co.uk> Nick Woolley <nick@noodlefactory.co.uk>
+Nick Stokoe <nick@noodlefactory.co.uk> Nick Woolley <nickwoolley@yahoo.co.uk>
+Nicolas Morey-Chaisemartin <devel-git@morey-chaisemartin.com> <nicolas.morey@free.fr>
+Nicolas Morey-Chaisemartin <devel-git@morey-chaisemartin.com> <nmorey@kalray.eu>
+Nicolas Sebrecht <nicolas.s.dev@gmx.fr> <ni.s@laposte.net>
+Paolo Bonzini <bonzini@gnu.org> <paolo.bonzini@lu.unisi.ch>
+Pascal Obry <pascal@obry.net> <pascal.obry@gmail.com>
+Pascal Obry <pascal@obry.net> <pascal.obry@wanadoo.fr>
+Pat Notz <patnotz@gmail.com> <pknotz@sandia.gov>
+Patrick Steinhardt <ps@pks.im> <patrick.steinhardt@elego.de>
+Paul Mackerras <paulus@samba.org> <paulus@dorrigo.(none)>
+Paul Mackerras <paulus@samba.org> <paulus@pogo.(none)>
+Peter Baumann <waste.manager@gmx.de> <Peter.B.Baumann@stud.informatik.uni-erlangen.de>
+Peter Baumann <waste.manager@gmx.de> <siprbaum@stud.informatik.uni-erlangen.de>
+Peter Krefting <peter@softwolves.pp.se> <peter@softwolves.pp.se>
+Peter Krefting <peter@softwolves.pp.se> <peter@svarten.intern.softwolves.pp.se>
+Petr Baudis <pasky@ucw.cz> <pasky@suse.cz>
+Petr Baudis <pasky@ucw.cz> <xpasky@machine>
+Phil Hord <hordp@cisco.com> <phil.hord@gmail.com>
+Philip Jägenstedt <philip@foolip.org> <philip.jagenstedt@gmail.com>
+Philipp A. Hartmann <pah@qo.cx> <ph@sorgh.de>
+Philippe Bruhat <book@cpan.org>
+Ralf Thielow <ralf.thielow@gmail.com> <ralf.thielow@googlemail.com>
+Ramsay Jones <ramsay@ramsayjones.plus.com> <ramsay@ramsay1.demon.co.uk>
+René Scharfe <l.s.r@web.de> <rene.scharfe@lsrfire.ath.cx>
+Richard Hansen <rhansen@rhansen.org> <hansenr@google.com>
+Richard Hansen <rhansen@rhansen.org> <rhansen@bbn.com>
+Robert Fitzsimons <robfitz@273k.net>
+Robert Shearman <robertshearman@gmail.com> <rob@codeweavers.com>
+Robert Zeh <robert.a.zeh@gmail.com>
+Robin Rosenberg <robin.rosenberg@dewire.com> <robin.rosenberg.lists@dewire.com>
+Rutger Nijlunsing <rutger.nijlunsing@gmail.com> <rutger@nospam.com>
+Rutger Nijlunsing <rutger.nijlunsing@gmail.com> <git@tux.tmfweb.nl>
+Ryan Anderson <ryan@michonline.com> <rda@google.com>
+Salikh Zakirov <salikh.zakirov@gmail.com> <Salikh.Zakirov@Intel.com>
+Sam Vilain <sam@vilain.net> <sam.vilain@catalyst.net.nz>
+Sam Vilain <sam@vilain.net> sam@vilain.net
+Santi Béjar <santi@agolina.net> <sbejar@gmail.com>
+Sean Estabrooks <seanlkml@sympatico.ca>
+Sebastian Schuberth <sschuberth@gmail.com> <sschuberth@visageimaging.com>
+Seth Falcon <seth@userprimary.net> <sfalcon@fhcrc.org>
+Shawn O. Pearce <spearce@spearce.org>
+Simon Hausmann <hausmann@kde.org> <simon@lst.de>
+Simon Hausmann <hausmann@kde.org> <shausman@trolltech.com>
+Stefan Beller <stefanbeller@gmail.com> <stefanbeller@googlemail.com>
+Stefan Beller <stefanbeller@gmail.com> <sbeller@google.com>
+Stefan Naewe <stefan.naewe@gmail.com> <stefan.naewe@atlas-elektronik.com>
+Stefan Naewe <stefan.naewe@gmail.com> <stefan.naewe@googlemail.com>
+Stefan Sperling <stsp@elego.de> <stsp@stsp.name>
+Štěpán Němec <stepnem@gmail.com> <stepan.nemec@gmail.com>
+Stephen Boyd <bebarino@gmail.com> <sboyd@codeaurora.org>
+Steven Drake <sdrake@xnet.co.nz> <sdrake@ihug.co.nz>
+Steven Grimm <koreth@midwinter.com> <sgrimm@sgrimm-mbp.local>
+Steven Grimm <koreth@midwinter.com> koreth@midwinter.com
+Steven Walter <stevenrwalter@gmail.com> <swalter@lexmark.com>
+Steven Walter <stevenrwalter@gmail.com> <swalter@lpdev.prtdev.lexmark.com>
+Sven Verdoolaege <skimo@kotnet.org> <Sven.Verdoolaege@cs.kuleuven.ac.be>
+Sven Verdoolaege <skimo@kotnet.org> <skimo@liacs.nl>
+SZEDER Gábor <szeder.dev@gmail.com> <szeder@ira.uka.de>
+Tay Ray Chuan <rctay89@gmail.com>
+Ted Percival <ted@midg3t.net> <ted.percival@quest.com>
+Theodore Ts'o <tytso@mit.edu>
+Thomas Ackermann <th.acker@arcor.de> <th.acker66@arcor.de>
+Thomas Rast <tr@thomasrast.ch> <trast@student.ethz.ch>
+Thomas Rast <tr@thomasrast.ch> <trast@inf.ethz.ch>
+Thomas Rast <tr@thomasrast.ch> <trast@google.com>
+Timo Hirvonen <tihirvon@gmail.com> <tihirvon@ee.oulu.fi>
+Toby Allsopp <Toby.Allsopp@navman.co.nz> <toby.allsopp@navman.co.nz>
+Tom Grennan <tmgrennan@gmail.com> <tgrennan@redback.com>
+Tommi Virtanen <tv@debian.org> <tv@eagain.net>
+Tommi Virtanen <tv@debian.org> <tv@inoi.fi>
+Tommy Thorn <tommy-git@thorn.ws> <tt1729@yahoo.com>
+Tony Luck <tony.luck@intel.com>
+Tor Arne Vestbø <torarnv@gmail.com> <tavestbo@trolltech.com>
+Trần Ngọc Quân <vnwildman@gmail.com> Tran Ngoc Quan <vnwildman@gmail.com>
+Trent Piepho <tpiepho@gmail.com> <tpiepho@freescale.com>
+Trent Piepho <tpiepho@gmail.com> <xyzzy@speakeasy.org>
+Uwe Kleine-König <u.kleine-koenig@pengutronix.de> <Uwe.Kleine-Koenig@digi.com>
+Uwe Kleine-König <u.kleine-koenig@pengutronix.de> <ukleinek@informatik.uni-freiburg.de>
+Uwe Kleine-König <u.kleine-koenig@pengutronix.de> <uzeisberger@io.fsforth.de>
+Uwe Kleine-König <u.kleine-koenig@pengutronix.de> <zeisberg@informatik.uni-freiburg.de>
+Ville Skyttä <ville.skytta@iki.fi> <scop@xemacs.org>
+Vitaly "_Vi" Shukela <public_vi@tut.by>
+W. Trevor King <wking@tremily.us> <wking@drexel.edu>
+William Pursell <bill.pursell@gmail.com>
+YONETANI Tomokazu <y0n3t4n1@gmail.com> <qhwt+git@les.ath.cx>
+YONETANI Tomokazu <y0n3t4n1@gmail.com> <y0netan1@dragonflybsd.org>
+YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
+# the two anonymous contributors are different persons:
+anonymous <linux@horizon.com>
+anonymous <linux@horizon.net>
+İsmail Dönmez <ismail@pardus.org.tr>`
+	mm := ParseMailmap(contents)
+	assert.Equal(t, mm["ismail@pardus.org.tr"].Name, "İsmail Dönmez")
+	assert.Equal(t, mm["ismail@pardus.org.tr"].Email, "")
+
+	assert.Equal(t, mm["linux@horizon.com"].Name, "anonymous")
+	assert.Equal(t, mm["linux@horizon.com"].Email, "")
+
+	assert.Equal(t, mm["y0netan1@dragonflybsd.org"].Name, "YONETANI Tomokazu")
+	assert.Equal(t, mm["y0netan1@dragonflybsd.org"].Email, "y0n3t4n1@gmail.com")
+
+	assert.Equal(t, mm["qhwt+git@les.ath.cx"].Name, "YONETANI Tomokazu")
+	assert.Equal(t, mm["qhwt+git@les.ath.cx"].Email, "y0n3t4n1@gmail.com")
+
+	assert.Equal(t, mm["vnwildman@gmail.com"].Name, "Trần Ngọc Quân")
+	assert.Equal(t, mm["vnwildman@gmail.com"].Email, "vnwildman@gmail.com")
+
+	assert.Equal(t, mm["Tran Ngoc Quan"].Name, "Trần Ngọc Quân")
+	assert.Equal(t, mm["Tran Ngoc Quan"].Email, "vnwildman@gmail.com")
+
+	assert.Equal(t, mm["nico@cam.org"].Name, "")
+	assert.Equal(t, mm["nico@cam.org"].Email, "nico@fluxnic.net")
+}