summaryrefslogtreecommitdiff
path: root/git-gui.sh
blob: dfb4b955eb1d33fdd90b25e1e575ed86949bbd9f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
#!/bin/sh
# Tcl ignores the next line -*- tcl -*- \
exec wish "$0" -- "$@"
 
set appvers {@@GITGUI_VERSION@@}
set copyright {
Copyright  2006, 2007 Shawn Pearce, et. al.
 
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
 
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}
 
######################################################################
##
## Tcl/Tk sanity check
 
if {[catch {package require Tcl 8.4} err]
 || [catch {package require Tk  8.4} err]
} {
	catch {wm withdraw .}
	tk_messageBox \
		-icon error \
		-type ok \
		-title "git-gui: fatal error" \
		-message $err
	exit 1
}
 
######################################################################
##
## configure our library
 
set oguilib {@@GITGUI_LIBDIR@@}
set oguirel {@@GITGUI_RELATIVE@@}
if {$oguirel eq {1}} {
	set oguilib [file dirname [file dirname [file normalize $argv0]]]
	set oguilib [file join $oguilib share git-gui lib]
} elseif {[string match @@* $oguirel]} {
	set oguilib [file join [file dirname [file normalize $argv0]] lib]
}
set idx [file join $oguilib tclIndex]
catch {
	set fd [open $idx r]
	if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
		set idx [list]
		while {[gets $fd n] >= 0} {
			if {$n ne {} && ![string match #* $n]} {
				lappend idx $n
			}
		}
	} else {
		set idx {}
	}
	close $fd
}
if {$idx ne {}} {
	set loaded [list]
	foreach p $idx {
		if {[lsearch -exact $loaded $p] >= 0} continue
		puts $p
		source [file join $oguilib $p]
		lappend loaded $p
	}
	unset loaded p
} else {
	set auto_path [concat [list $oguilib] $auto_path]
}
unset -nocomplain oguilib oguirel idx fd
 
if {![catch {set _verbose $env(GITGUI_VERBOSE)}]} {
	unset _verbose
	rename auto_load real__auto_load
	proc auto_load {name args} {
		puts stderr "auto_load $name"
		return [uplevel 1 real__auto_load $name $args]
	}
	rename source real__source
	proc source {name} {
		puts stderr "source    $name"
		uplevel 1 real__source $name
	}
}
 
######################################################################
##
## read only globals
 
set _appname [lindex [file split $argv0] end]
set _gitdir {}
set _gitexec {}
set _reponame {}
set _iscygwin {}
 
proc appname {} {
	global _appname
	return $_appname
}
 
proc gitdir {args} {
	global _gitdir
	if {$args eq {}} {
		return $_gitdir
	}
	return [eval [concat [list file join $_gitdir] $args]]
}
 
proc gitexec {args} {
	global _gitexec
	if {$_gitexec eq {}} {
		if {[catch {set _gitexec [git --exec-path]} err]} {
			error "Git not installed?\n\n$err"
		}
	}
	if {$args eq {}} {
		return $_gitexec
	}
	return [eval [concat [list file join $_gitexec] $args]]
}
 
proc reponame {} {
	global _reponame
	return $_reponame
}
 
proc is_MacOSX {} {
	global tcl_platform tk_library
	if {[tk windowingsystem] eq {aqua}} {
		return 1
	}
	return 0
}
 
proc is_Windows {} {
	global tcl_platform
	if {$tcl_platform(platform) eq {windows}} {
		return 1
	}
	return 0
}
 
proc is_Cygwin {} {
	global tcl_platform _iscygwin
	if {$_iscygwin eq {}} {
		if {$tcl_platform(platform) eq {windows}} {
			if {[catch {set p [exec cygpath --windir]} err]} {
				set _iscygwin 0
			} else {
				set _iscygwin 1
			}
		} else {
			set _iscygwin 0
		}
	}
	return $_iscygwin
}
 
proc is_enabled {option} {
	global enabled_options
	if {[catch {set on $enabled_options($option)}]} {return 0}
	return $on
}
 
proc enable_option {option} {
	global enabled_options
	set enabled_options($option) 1
}
 
proc disable_option {option} {
	global enabled_options
	set enabled_options($option) 0
}
 
######################################################################
##
## config
 
proc is_many_config {name} {
	switch -glob -- $name {
	remote.*.fetch -
	remote.*.push
		{return 1}
	*
		{return 0}
	}
}
 
proc is_config_true {name} {
	global repo_config
	if {[catch {set v $repo_config($name)}]} {
		return 0
	} elseif {$v eq {true} || $v eq {1} || $v eq {yes}} {
		return 1
	} else {
		return 0
	}
}
 
proc load_config {include_global} {
	global repo_config global_config default_config
 
	array unset global_config
	if {$include_global} {
		catch {
			set fd_rc [open "| git config --global --list" r]
			while {[gets $fd_rc line] >= 0} {
				if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
					if {[is_many_config $name]} {
						lappend global_config($name) $value
					} else {
						set global_config($name) $value
					}
				}
			}
			close $fd_rc
		}
	}
 
	array unset repo_config
	catch {
		set fd_rc [open "| git config --list" r]
		while {[gets $fd_rc line] >= 0} {
			if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
				if {[is_many_config $name]} {
					lappend repo_config($name) $value
				} else {
					set repo_config($name) $value
				}
			}
		}
		close $fd_rc
	}
 
	foreach name [array names default_config] {
		if {[catch {set v $global_config($name)}]} {
			set global_config($name) $default_config($name)
		}
		if {[catch {set v $repo_config($name)}]} {
			set repo_config($name) $default_config($name)
		}
	}
}
 
######################################################################
##
## handy utils
 
proc git {args} {
	return [eval exec git $args]
}
 
auto_load tk_optionMenu
rename tk_optionMenu real__tkOptionMenu
proc tk_optionMenu {w varName args} {
	set m [eval real__tkOptionMenu $w $varName $args]
	$m configure -font font_ui
	$w configure -font font_ui
	return $m
}
 
######################################################################
##
## version check
 
if {{--version} eq $argv || {version} eq $argv} {
	puts "git-gui version $appvers"
	exit
}
 
set req_maj 1
set req_min 5
 
if {[catch {set v [git --version]} err]} {
	catch {wm withdraw .}
	error_popup "Cannot determine Git version:
 
$err
 
[appname] requires Git $req_maj.$req_min or later."
	exit 1
}
if {[regexp {^git version (\d+)\.(\d+)} $v _junk act_maj act_min]} {
	if {$act_maj < $req_maj
		|| ($act_maj == $req_maj && $act_min < $req_min)} {
		catch {wm withdraw .}
		error_popup "[appname] requires Git $req_maj.$req_min or later.
 
You are using $v."
		exit 1
	}
} else {
	catch {wm withdraw .}
	error_popup "Cannot parse Git version string:\n\n$v"
	exit 1
}
unset -nocomplain v _junk act_maj act_min req_maj req_min
 
######################################################################
##
## repository setup
 
if {[catch {
		set _gitdir $env(GIT_DIR)
		set _prefix {}
		}]
	&& [catch {
		set _gitdir [git rev-parse --git-dir]
		set _prefix [git rev-parse --show-prefix]
	} err]} {
	catch {wm withdraw .}
	error_popup "Cannot find the git directory:\n\n$err"
	exit 1
}
if {![file isdirectory $_gitdir] && [is_Cygwin]} {
	catch {set _gitdir [exec cygpath --unix $_gitdir]}
}
if {![file isdirectory $_gitdir]} {
	catch {wm withdraw .}
	error_popup "Git directory not found:\n\n$_gitdir"
	exit 1
}
if {[lindex [file split $_gitdir] end] ne {.git}} {
	catch {wm withdraw .}
	error_popup "Cannot use funny .git directory:\n\n$_gitdir"
	exit 1
}
if {[catch {cd [file dirname $_gitdir]} err]} {
	catch {wm withdraw .}
	error_popup "No working directory [file dirname $_gitdir]:\n\n$err"
	exit 1
}
set _reponame [lindex [file split \
	[file normalize [file dirname $_gitdir]]] \
	end]
 
######################################################################
##
## global init
 
set current_diff_path {}
set current_diff_side {}
set diff_actions [list]
set ui_status_value {Initializing...}
 
set HEAD {}
set PARENT {}
set MERGE_HEAD [list]
set commit_type {}
set empty_tree {}
set current_branch {}
set current_diff_path {}
set selected_commit_type new
 
######################################################################
##
## task management
 
set rescan_active 0
set diff_active 0
set last_clicked {}
 
set disable_on_lock [list]
set index_lock_type none
 
proc lock_index {type} {
	global index_lock_type disable_on_lock
 
	if {$index_lock_type eq {none}} {
		set index_lock_type $type
		foreach w $disable_on_lock {
			uplevel #0 $w disabled
		}
		return 1
	} elseif {$index_lock_type eq "begin-$type"} {
		set index_lock_type $type
		return 1
	}
	return 0
}
 
proc unlock_index {} {
	global index_lock_type disable_on_lock
 
	set index_lock_type none
	foreach w $disable_on_lock {
		uplevel #0 $w normal
	}
}
 
######################################################################
##
## status
 
proc repository_state {ctvar hdvar mhvar} {
	global current_branch
	upvar $ctvar ct $hdvar hd $mhvar mh
 
	set mh [list]
 
	if {[catch {set current_branch [git symbolic-ref HEAD]}]} {
		set current_branch {}
	} else {
		regsub ^refs/((heads|tags|remotes)/)? \
			$current_branch \
			{} \
			current_branch
	}
 
	if {[catch {set hd [git rev-parse --verify HEAD]}]} {
		set hd {}
		set ct initial
		return
	}
 
	set merge_head [gitdir MERGE_HEAD]
	if {[file exists $merge_head]} {
		set ct merge
		set fd_mh [open $merge_head r]
		while {[gets $fd_mh line] >= 0} {
			lappend mh $line
		}
		close $fd_mh
		return
	}
 
	set ct normal
}
 
proc PARENT {} {
	global PARENT empty_tree
 
	set p [lindex $PARENT 0]
	if {$p ne {}} {
		return $p
	}
	if {$empty_tree eq {}} {
		set empty_tree [git mktree << {}]
	}
	return $empty_tree
}
 
proc rescan {after {honor_trustmtime 1}} {
	global HEAD PARENT MERGE_HEAD commit_type
	global ui_index ui_workdir ui_status_value ui_comm
	global rescan_active file_states
	global repo_config
 
	if {$rescan_active > 0 || ![lock_index read]} return
 
	repository_state newType newHEAD newMERGE_HEAD
	if {[string match amend* $commit_type]
		&& $newType eq {normal}
		&& $newHEAD eq $HEAD} {
	} else {
		set HEAD $newHEAD
		set PARENT $newHEAD
		set MERGE_HEAD $newMERGE_HEAD
		set commit_type $newType
	}
 
	array unset file_states
 
	if {![$ui_comm edit modified]
		|| [string trim [$ui_comm get 0.0 end]] eq {}} {
		if {[load_message GITGUI_MSG]} {
		} elseif {[load_message MERGE_MSG]} {
		} elseif {[load_message SQUASH_MSG]} {
		}
		$ui_comm edit reset
		$ui_comm edit modified false
	}
 
	if {[is_enabled branch]} {
		load_all_heads
		populate_branch_menu
	}
 
	if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
		rescan_stage2 {} $after
	} else {
		set rescan_active 1
		set ui_status_value {Refreshing file status...}
		set cmd [list git update-index]
		lappend cmd -q
		lappend cmd --unmerged
		lappend cmd --ignore-missing
		lappend cmd --refresh
		set fd_rf [open "| $cmd" r]
		fconfigure $fd_rf -blocking 0 -translation binary
		fileevent $fd_rf readable \
			[list rescan_stage2 $fd_rf $after]
	}
}
 
proc rescan_stage2 {fd after} {
	global ui_status_value
	global rescan_active buf_rdi buf_rdf buf_rlo
 
	if {$fd ne {}} {
		read $fd
		if {![eof $fd]} return
		close $fd
	}
 
	set ls_others [list | git ls-files --others -z \
		--exclude-per-directory=.gitignore]
	set info_exclude [gitdir info exclude]
	if {[file readable $info_exclude]} {
		lappend ls_others "--exclude-from=$info_exclude"
	}
 
	set buf_rdi {}
	set buf_rdf {}
	set buf_rlo {}
 
	set rescan_active 3
	set ui_status_value {Scanning for modified files ...}
	set fd_di [open "| git diff-index --cached -z [PARENT]" r]
	set fd_df [open "| git diff-files -z" r]
	set fd_lo [open $ls_others r]
 
	fconfigure $fd_di -blocking 0 -translation binary -encoding binary
	fconfigure $fd_df -blocking 0 -translation binary -encoding binary
	fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
	fileevent $fd_di readable [list read_diff_index $fd_di $after]
	fileevent $fd_df readable [list read_diff_files $fd_df $after]
	fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
}
 
proc load_message {file} {
	global ui_comm
 
	set f [gitdir $file]
	if {[file isfile $f]} {
		if {[catch {set fd [open $f r]}]} {
			return 0
		}
		set content [string trim [read $fd]]
		close $fd
		regsub -all -line {[ \r\t]+$} $content {} content
		$ui_comm delete 0.0 end
		$ui_comm insert end $content
		return 1
	}
	return 0
}
 
proc read_diff_index {fd after} {
	global buf_rdi
 
	append buf_rdi [read $fd]
	set c 0
	set n [string length $buf_rdi]
	while {$c < $n} {
		set z1 [string first "\0" $buf_rdi $c]
		if {$z1 == -1} break
		incr z1
		set z2 [string first "\0" $buf_rdi $z1]
		if {$z2 == -1} break
 
		incr c
		set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
		set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
		merge_state \
			[encoding convertfrom $p] \
			[lindex $i 4]? \
			[list [lindex $i 0] [lindex $i 2]] \
			[list]
		set c $z2
		incr c
	}
	if {$c < $n} {
		set buf_rdi [string range $buf_rdi $c end]
	} else {
		set buf_rdi {}
	}
 
	rescan_done $fd buf_rdi $after
}
 
proc read_diff_files {fd after} {
	global buf_rdf
 
	append buf_rdf [read $fd]
	set c 0
	set n [string length $buf_rdf]
	while {$c < $n} {
		set z1 [string first "\0" $buf_rdf $c]
		if {$z1 == -1} break
		incr z1
		set z2 [string first "\0" $buf_rdf $z1]
		if {$z2 == -1} break
 
		incr c
		set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
		set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
		merge_state \
			[encoding convertfrom $p] \
			?[lindex $i 4] \
			[list] \
			[list [lindex $i 0] [lindex $i 2]]
		set c $z2
		incr c
	}
	if {$c < $n} {
		set buf_rdf [string range $buf_rdf $c end]
	} else {
		set buf_rdf {}
	}
 
	rescan_done $fd buf_rdf $after
}
 
proc read_ls_others {fd after} {
	global buf_rlo
 
	append buf_rlo [read $fd]
	set pck [split $buf_rlo "\0"]
	set buf_rlo [lindex $pck end]
	foreach p [lrange $pck 0 end-1] {
		merge_state [encoding convertfrom $p] ?O
	}
	rescan_done $fd buf_rlo $after
}
 
proc rescan_done {fd buf after} {
	global rescan_active current_diff_path
	global file_states repo_config
	upvar $buf to_clear
 
	if {![eof $fd]} return
	set to_clear {}
	close $fd
	if {[incr rescan_active -1] > 0} return
 
	prune_selection
	unlock_index
	display_all_files
	if {$current_diff_path ne {}} reshow_diff
	uplevel #0 $after
}
 
proc prune_selection {} {
	global file_states selected_paths
 
	foreach path [array names selected_paths] {
		if {[catch {set still_here $file_states($path)}]} {
			unset selected_paths($path)
		}
	}
}
 
######################################################################
##
## ui helpers
 
proc mapicon {w state path} {
	global all_icons
 
	if {[catch {set r $all_icons($state$w)}]} {
		puts "error: no icon for $w state={$state} $path"
		return file_plain
	}
	return $r
}
 
proc mapdesc {state path} {
	global all_descs
 
	if {[catch {set r $all_descs($state)}]} {
		puts "error: no desc for state={$state} $path"
		return $state
	}
	return $r
}
 
proc escape_path {path} {
	regsub -all {\\} $path "\\\\" path
	regsub -all "\n" $path "\\n" path
	return $path
}
 
proc short_path {path} {
	return [escape_path [lindex [file split $path] end]]
}
 
set next_icon_id 0
set null_sha1 [string repeat 0 40]
 
proc merge_state {path new_state {head_info {}} {index_info {}}} {
	global file_states next_icon_id null_sha1
 
	set s0 [string index $new_state 0]
	set s1 [string index $new_state 1]
 
	if {[catch {set info $file_states($path)}]} {
		set state __
		set icon n[incr next_icon_id]
	} else {
		set state [lindex $info 0]
		set icon [lindex $info 1]
		if {$head_info eq {}}  {set head_info  [lindex $info 2]}
		if {$index_info eq {}} {set index_info [lindex $info 3]}
	}
 
	if     {$s0 eq {?}} {set s0 [string index $state 0]} \
	elseif {$s0 eq {_}} {set s0 _}
 
	if     {$s1 eq {?}} {set s1 [string index $state 1]} \
	elseif {$s1 eq {_}} {set s1 _}
 
	if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
		set head_info [list 0 $null_sha1]
	} elseif {$s0 ne {_} && [string index $state 0] eq {_}
		&& $head_info eq {}} {
		set head_info $index_info
	}
 
	set file_states($path) [list $s0$s1 $icon \
		$head_info $index_info \
		]
	return $state
}
 
proc display_file_helper {w path icon_name old_m new_m} {
	global file_lists
 
	if {$new_m eq {_}} {
		set lno [lsearch -sorted -exact $file_lists($w) $path]
		if {$lno >= 0} {
			set file_lists($w) [lreplace $file_lists($w) $lno $lno]
			incr lno
			$w conf -state normal
			$w delete $lno.0 [expr {$lno + 1}].0
			$w conf -state disabled
		}
	} elseif {$old_m eq {_} && $new_m ne {_}} {
		lappend file_lists($w) $path
		set file_lists($w) [lsort -unique $file_lists($w)]
		set lno [lsearch -sorted -exact $file_lists($w) $path]
		incr lno
		$w conf -state normal
		$w image create $lno.0 \
			-align center -padx 5 -pady 1 \
			-name $icon_name \
			-image [mapicon $w $new_m $path]
		$w insert $lno.1 "[escape_path $path]\n"
		$w conf -state disabled
	} elseif {$old_m ne $new_m} {
		$w conf -state normal
		$w image conf $icon_name -image [mapicon $w $new_m $path]
		$w conf -state disabled
	}
}
 
proc display_file {path state} {
	global file_states selected_paths
	global ui_index ui_workdir
 
	set old_m [merge_state $path $state]
	set s $file_states($path)
	set new_m [lindex $s 0]
	set icon_name [lindex $s 1]
 
	set o [string index $old_m 0]
	set n [string index $new_m 0]
	if {$o eq {U}} {
		set o _
	}
	if {$n eq {U}} {
		set n _
	}
	display_file_helper	$ui_index $path $icon_name $o $n
 
	if {[string index $old_m 0] eq {U}} {
		set o U
	} else {
		set o [string index $old_m 1]
	}
	if {[string index $new_m 0] eq {U}} {
		set n U
	} else {
		set n [string index $new_m 1]
	}
	display_file_helper	$ui_workdir $path $icon_name $o $n
 
	if {$new_m eq {__}} {
		unset file_states($path)
		catch {unset selected_paths($path)}
	}
}
 
proc display_all_files_helper {w path icon_name m} {
	global file_lists
 
	lappend file_lists($w) $path
	set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
	$w image create end \
		-align center -padx 5 -pady 1 \
		-name $icon_name \
		-image [mapicon $w $m $path]
	$w insert end "[escape_path $path]\n"
}
 
proc display_all_files {} {
	global ui_index ui_workdir
	global file_states file_lists
	global last_clicked
 
	$ui_index conf -state normal
	$ui_workdir conf -state normal
 
	$ui_index delete 0.0 end
	$ui_workdir delete 0.0 end
	set last_clicked {}
 
	set file_lists($ui_index) [list]
	set file_lists($ui_workdir) [list]
 
	foreach path [lsort [array names file_states]] {
		set s $file_states($path)
		set m [lindex $s 0]
		set icon_name [lindex $s 1]
 
		set s [string index $m 0]
		if {$s ne {U} && $s ne {_}} {
			display_all_files_helper $ui_index $path \
				$icon_name $s
		}
 
		if {[string index $m 0] eq {U}} {
			set s U
		} else {
			set s [string index $m 1]
		}
		if {$s ne {_}} {
			display_all_files_helper $ui_workdir $path \
				$icon_name $s
		}
	}
 
	$ui_index conf -state disabled
	$ui_workdir conf -state disabled
}
 
######################################################################
##
## icons
 
set filemask {
#define mask_width 14
#define mask_height 15
static unsigned char mask_bits[] = {
   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
}
 
image create bitmap file_plain -background white -foreground black -data {
#define plain_width 14
#define plain_height 15
static unsigned char plain_bits[] = {
   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
} -maskdata $filemask
 
image create bitmap file_mod -background white -foreground blue -data {
#define mod_width 14
#define mod_height 15
static unsigned char mod_bits[] = {
   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
} -maskdata $filemask
 
image create bitmap file_fulltick -background white -foreground "#007000" -data {
#define file_fulltick_width 14
#define file_fulltick_height 15
static unsigned char file_fulltick_bits[] = {
   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
} -maskdata $filemask
 
image create bitmap file_parttick -background white -foreground "#005050" -data {
#define parttick_width 14
#define parttick_height 15
static unsigned char parttick_bits[] = {
   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
   0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
   0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
} -maskdata $filemask
 
image create bitmap file_question -background white -foreground black -data {
#define file_question_width 14
#define file_question_height 15
static unsigned char file_question_bits[] = {
   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
} -maskdata $filemask
 
image create bitmap file_removed -background white -foreground red -data {
#define file_removed_width 14
#define file_removed_height 15
static unsigned char file_removed_bits[] = {
   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
} -maskdata $filemask
 
image create bitmap file_merge -background white -foreground blue -data {
#define file_merge_width 14
#define file_merge_height 15
static unsigned char file_merge_bits[] = {
   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
} -maskdata $filemask
 
set file_dir_data {
#define file_width 18
#define file_height 18
static unsigned char file_bits[] = {
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x03, 0x00,
  0x0c, 0x03, 0x00, 0x04, 0xfe, 0x00, 0x06, 0x80, 0x00, 0xff, 0x9f, 0x00,
  0x03, 0x98, 0x00, 0x02, 0x90, 0x00, 0x06, 0xb0, 0x00, 0x04, 0xa0, 0x00,
  0x0c, 0xe0, 0x00, 0x08, 0xc0, 0x00, 0xf8, 0xff, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
}
image create bitmap file_dir -background white -foreground blue \
	-data $file_dir_data -maskdata $file_dir_data
unset file_dir_data
 
set file_uplevel_data {
#define up_width 15
#define up_height 15
static unsigned char up_bits[] = {
  0x80, 0x00, 0xc0, 0x01, 0xe0, 0x03, 0xf0, 0x07, 0xf8, 0x0f, 0xfc, 0x1f,
  0xfe, 0x3f, 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01,
  0xc0, 0x01, 0xc0, 0x01, 0x00, 0x00};
}
image create bitmap file_uplevel -background white -foreground red \
	-data $file_uplevel_data -maskdata $file_uplevel_data
unset file_uplevel_data
 
set ui_index .vpane.files.index.list
set ui_workdir .vpane.files.workdir.list
 
set all_icons(_$ui_index)   file_plain
set all_icons(A$ui_index)   file_fulltick
set all_icons(M$ui_index)   file_fulltick
set all_icons(D$ui_index)   file_removed
set all_icons(U$ui_index)   file_merge
 
set all_icons(_$ui_workdir) file_plain
set all_icons(M$ui_workdir) file_mod
set all_icons(D$ui_workdir) file_question
set all_icons(U$ui_workdir) file_merge
set all_icons(O$ui_workdir) file_plain
 
set max_status_desc 0
foreach i {
		{__ "Unmodified"}
 
		{_M "Modified, not staged"}
		{M_ "Staged for commit"}
		{MM "Portions staged for commit"}
		{MD "Staged for commit, missing"}
 
		{_O "Untracked, not staged"}
		{A_ "Staged for commit"}
		{AM "Portions staged for commit"}
		{AD "Staged for commit, missing"}
 
		{_D "Missing"}
		{D_ "Staged for removal"}
		{DO "Staged for removal, still present"}
 
		{U_ "Requires merge resolution"}
		{UU "Requires merge resolution"}
		{UM "Requires merge resolution"}
		{UD "Requires merge resolution"}
	} {
	if {$max_status_desc < [string length [lindex $i 1]]} {
		set max_status_desc [string length [lindex $i 1]]
	}
	set all_descs([lindex $i 0]) [lindex $i 1]
}
unset i
 
######################################################################
##
## util
 
proc bind_button3 {w cmd} {
	bind $w <Any-Button-3> $cmd
	if {[is_MacOSX]} {
		bind $w <Control-Button-1> $cmd
	}
}
 
proc scrollbar2many {list mode args} {
	foreach w $list {eval $w $mode $args}
}
 
proc many2scrollbar {list mode sb top bottom} {
	$sb set $top $bottom
	foreach w $list {$w $mode moveto $top}
}
 
proc incr_font_size {font {amt 1}} {
	set sz [font configure $font -size]
	incr sz $amt
	font configure $font -size $sz
	font configure ${font}bold -size $sz
	font configure ${font}italic -size $sz
}
 
######################################################################
##
## ui commands
 
set starting_gitk_msg {Starting gitk... please wait...}
 
proc do_gitk {revs} {
	global env ui_status_value starting_gitk_msg
 
	# -- Always start gitk through whatever we were loaded with.  This
	#    lets us bypass using shell process on Windows systems.
	#
	set cmd [list [info nameofexecutable]]
	lappend cmd [gitexec gitk]
	if {$revs ne {}} {
		append cmd { }
		append cmd $revs
	}
 
	if {[catch {eval exec $cmd &} err]} {
		error_popup "Failed to start gitk:\n\n$err"
	} else {
		set ui_status_value $starting_gitk_msg
		after 10000 {
			if {$ui_status_value eq $starting_gitk_msg} {
				set ui_status_value {Ready.}
			}
		}
	}
}
 
set is_quitting 0
 
proc do_quit {} {
	global ui_comm is_quitting repo_config commit_type
 
	if {$is_quitting} return
	set is_quitting 1
 
	if {[winfo exists $ui_comm]} {
		# -- Stash our current commit buffer.
		#
		set save [gitdir GITGUI_MSG]
		set msg [string trim [$ui_comm get 0.0 end]]
		regsub -all -line {[ \r\t]+$} $msg {} msg
		if {(![string match amend* $commit_type]
			|| [$ui_comm edit modified])
			&& $msg ne {}} {
			catch {
				set fd [open $save w]
				puts -nonewline $fd $msg
				close $fd
			}
		} else {
			catch {file delete $save}
		}
 
		# -- Stash our current window geometry into this repository.
		#
		set cfg_geometry [list]
		lappend cfg_geometry [wm geometry .]
		lappend cfg_geometry [lindex [.vpane sash coord 0] 1]
		lappend cfg_geometry [lindex [.vpane.files sash coord 0] 0]
		if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
			set rc_geometry {}
		}
		if {$cfg_geometry ne $rc_geometry} {
			catch {git config gui.geometry $cfg_geometry}
		}
	}
 
	destroy .
}
 
proc do_rescan {} {
	rescan {set ui_status_value {Ready.}}
}
 
proc do_commit {} {
	commit_tree
}
 
proc toggle_or_diff {w x y} {
	global file_states file_lists current_diff_path ui_index ui_workdir
	global last_clicked selected_paths
 
	set pos [split [$w index @$x,$y] .]
	set lno [lindex $pos 0]
	set col [lindex $pos 1]
	set path [lindex $file_lists($w) [expr {$lno - 1}]]
	if {$path eq {}} {
		set last_clicked {}
		return
	}
 
	set last_clicked [list $w $lno]
	array unset selected_paths
	$ui_index tag remove in_sel 0.0 end
	$ui_workdir tag remove in_sel 0.0 end
 
	if {$col == 0} {
		if {$current_diff_path eq $path} {
			set after {reshow_diff;}
		} else {
			set after {}
		}
		if {$w eq $ui_index} {
			update_indexinfo \
				"Unstaging [short_path $path] from commit" \
				[list $path] \
				[concat $after {set ui_status_value {Ready.}}]
		} elseif {$w eq $ui_workdir} {
			update_index \
				"Adding [short_path $path]" \
				[list $path] \
				[concat $after {set ui_status_value {Ready.}}]
		}
	} else {
		show_diff $path $w $lno
	}
}
 
proc add_one_to_selection {w x y} {
	global file_lists last_clicked selected_paths
 
	set lno [lindex [split [$w index @$x,$y] .] 0]
	set path [lindex $file_lists($w) [expr {$lno - 1}]]
	if {$path eq {}} {
		set last_clicked {}
		return
	}
 
	if {$last_clicked ne {}
		&& [lindex $last_clicked 0] ne $w} {
		array unset selected_paths
		[lindex $last_clicked 0] tag remove in_sel 0.0 end
	}
 
	set last_clicked [list $w $lno]
	if {[catch {set in_sel $selected_paths($path)}]} {
		set in_sel 0
	}
	if {$in_sel} {
		unset selected_paths($path)
		$w tag remove in_sel $lno.0 [expr {$lno + 1}].0
	} else {
		set selected_paths($path) 1
		$w tag add in_sel $lno.0 [expr {$lno + 1}].0
	}
}
 
proc add_range_to_selection {w x y} {
	global file_lists last_clicked selected_paths
 
	if {[lindex $last_clicked 0] ne $w} {
		toggle_or_diff $w $x $y
		return
	}
 
	set lno [lindex [split [$w index @$x,$y] .] 0]
	set lc [lindex $last_clicked 1]
	if {$lc < $lno} {
		set begin $lc
		set end $lno
	} else {
		set begin $lno
		set end $lc
	}
 
	foreach path [lrange $file_lists($w) \
		[expr {$begin - 1}] \
		[expr {$end - 1}]] {
		set selected_paths($path) 1
	}
	$w tag add in_sel $begin.0 [expr {$end + 1}].0
}
 
######################################################################
##
## config defaults
 
set cursor_ptr arrow
font create font_diff -family Courier -size 10
font create font_ui
catch {
	label .dummy
	eval font configure font_ui [font actual [.dummy cget -font]]
	destroy .dummy
}
 
font create font_uiitalic
font create font_uibold
font create font_diffbold
font create font_diffitalic
 
foreach class {Button Checkbutton Entry Label
		Labelframe Listbox Menu Message
		Radiobutton Spinbox Text} {
	option add *$class.font font_ui
}
unset class
 
if {[is_MacOSX]} {
	set M1B M1
	set M1T Cmd
} else {
	set M1B Control
	set M1T Ctrl
}
 
proc apply_config {} {
	global repo_config font_descs
 
	foreach option $font_descs {
		set name [lindex $option 0]
		set font [lindex $option 1]
		if {[catch {
			foreach {cn cv} $repo_config(gui.$name) {
				font configure $font $cn $cv
			}
			} err]} {
			error_popup "Invalid font specified in gui.$name:\n\n$err"
		}
		foreach {cn cv} [font configure $font] {
			font configure ${font}bold $cn $cv
			font configure ${font}italic $cn $cv
		}
		font configure ${font}bold -weight bold
		font configure ${font}italic -slant italic
	}
}
 
set default_config(merge.summary) false
set default_config(merge.verbosity) 2
set default_config(user.name) {}
set default_config(user.email) {}
 
set default_config(gui.trustmtime) false
set default_config(gui.diffcontext) 5
set default_config(gui.newbranchtemplate) {}
set default_config(gui.fontui) [font configure font_ui]
set default_config(gui.fontdiff) [font configure font_diff]
set font_descs {
	{fontui   font_ui   {Main Font}}
	{fontdiff font_diff {Diff/Console Font}}
}
load_config 0
apply_config
 
######################################################################
##
## feature option selection
 
if {[regexp {^git-(.+)$} [appname] _junk subcommand]} {
	unset _junk
} else {
	set subcommand gui
}
if {$subcommand eq {gui.sh}} {
	set subcommand gui
}
if {$subcommand eq {gui} && [llength $argv] > 0} {
	set subcommand [lindex $argv 0]
	set argv [lrange $argv 1 end]
}
 
enable_option multicommit
enable_option branch
enable_option transport
 
switch -- $subcommand {
browser -
blame {
	disable_option multicommit
	disable_option branch
	disable_option transport
}
citool {
	enable_option singlecommit
 
	disable_option multicommit
	disable_option branch
	disable_option transport
}
}
 
######################################################################
##
## ui construction
 
set ui_comm {}
 
# -- Menu Bar
#
menu .mbar -tearoff 0
.mbar add cascade -label Repository -menu .mbar.repository
.mbar add cascade -label Edit -menu .mbar.edit
if {[is_enabled branch]} {
	.mbar add cascade -label Branch -menu .mbar.branch
}
if {[is_enabled multicommit] || [is_enabled singlecommit]} {
	.mbar add cascade -label Commit -menu .mbar.commit
}
if {[is_enabled transport]} {
	.mbar add cascade -label Merge -menu .mbar.merge
	.mbar add cascade -label Fetch -menu .mbar.fetch
	.mbar add cascade -label Push -menu .mbar.push
}
. configure -menu .mbar
 
# -- Repository Menu
#
menu .mbar.repository
 
.mbar.repository add command \
	-label {Browse Current Branch} \
	-command {browser::new $current_branch}
trace add variable current_branch write ".mbar.repository entryconf [.mbar.repository index last] -label \"Browse \$current_branch\" ;#"
.mbar.repository add separator
 
.mbar.repository add command \
	-label {Visualize Current Branch} \
	-command {do_gitk $current_branch}
trace add variable current_branch write ".mbar.repository entryconf [.mbar.repository index last] -label \"Visualize \$current_branch\" ;#"
.mbar.repository add command \
	-label {Visualize All Branches} \
	-command {do_gitk --all}
.mbar.repository add separator
 
if {[is_enabled multicommit]} {
	.mbar.repository add command -label {Database Statistics} \
		-command do_stats
 
	.mbar.repository add command -label {Compress Database} \
		-command do_gc
 
	.mbar.repository add command -label {Verify Database} \
		-command do_fsck_objects
 
	.mbar.repository add separator
 
	if {[is_Cygwin]} {
		.mbar.repository add command \
			-label {Create Desktop Icon} \
			-command do_cygwin_shortcut
	} elseif {[is_Windows]} {
		.mbar.repository add command \
			-label {Create Desktop Icon} \
			-command do_windows_shortcut
	} elseif {[is_MacOSX]} {
		.mbar.repository add command \
			-label {Create Desktop Icon} \
			-command do_macosx_app
	}
}
 
.mbar.repository add command -label Quit \
	-command do_quit \
	-accelerator $M1T-Q
 
# -- Edit Menu
#
menu .mbar.edit
.mbar.edit add command -label Undo \
	-command {catch {[focus] edit undo}} \
	-accelerator $M1T-Z
.mbar.edit add command -label Redo \
	-command {catch {[focus] edit redo}} \
	-accelerator $M1T-Y
.mbar.edit add separator
.mbar.edit add command -label Cut \
	-command {catch {tk_textCut [focus]}} \
	-accelerator $M1T-X
.mbar.edit add command -label Copy \
	-command {catch {tk_textCopy [focus]}} \
	-accelerator $M1T-C
.mbar.edit add command -label Paste \
	-command {catch {tk_textPaste [focus]; [focus] see insert}} \
	-accelerator $M1T-V
.mbar.edit add command -label Delete \
	-command {catch {[focus] delete sel.first sel.last}} \
	-accelerator Del
.mbar.edit add separator
.mbar.edit add command -label {Select All} \
	-command {catch {[focus] tag add sel 0.0 end}} \
	-accelerator $M1T-A
 
# -- Branch Menu
#
if {[is_enabled branch]} {
	menu .mbar.branch
 
	.mbar.branch add command -label {Create...} \
		-command do_create_branch \
		-accelerator $M1T-N
	lappend disable_on_lock [list .mbar.branch entryconf \
		[.mbar.branch index last] -state]
 
	.mbar.branch add command -label {Delete...} \
		-command do_delete_branch
	lappend disable_on_lock [list .mbar.branch entryconf \
		[.mbar.branch index last] -state]
 
	.mbar.branch add command -label {Reset...} \
		-command merge::reset_hard
	lappend disable_on_lock [list .mbar.branch entryconf \
		[.mbar.branch index last] -state]
}
 
# -- Commit Menu
#
if {[is_enabled multicommit] || [is_enabled singlecommit]} {
	menu .mbar.commit
 
	.mbar.commit add radiobutton \
		-label {New Commit} \
		-command do_select_commit_type \
		-variable selected_commit_type \
		-value new
	lappend disable_on_lock \
		[list .mbar.commit entryconf [.mbar.commit index last] -state]
 
	.mbar.commit add radiobutton \
		-label {Amend Last Commit} \
		-command do_select_commit_type \
		-variable selected_commit_type \
		-value amend
	lappend disable_on_lock \
		[list .mbar.commit entryconf [.mbar.commit index last] -state]
 
	.mbar.commit add separator
 
	.mbar.commit add command -label Rescan \
		-command do_rescan \
		-accelerator F5
	lappend disable_on_lock \
		[list .mbar.commit entryconf [.mbar.commit index last] -state]
 
	.mbar.commit add command -label {Add To Commit} \
		-command do_add_selection
	lappend disable_on_lock \
		[list .mbar.commit entryconf [.mbar.commit index last] -state]
 
	.mbar.commit add command -label {Add Existing To Commit} \
		-command do_add_all \
		-accelerator $M1T-I
	lappend disable_on_lock \
		[list .mbar.commit entryconf [.mbar.commit index last] -state]
 
	.mbar.commit add command -label {Unstage From Commit} \
		-command do_unstage_selection
	lappend disable_on_lock \
		[list .mbar.commit entryconf [.mbar.commit index last] -state]
 
	.mbar.commit add command -label {Revert Changes} \
		-command do_revert_selection
	lappend disable_on_lock \
		[list .mbar.commit entryconf [.mbar.commit index last] -state]
 
	.mbar.commit add separator
 
	.mbar.commit add command -label {Sign Off} \
		-command do_signoff \
		-accelerator $M1T-S
 
	.mbar.commit add command -label Commit \
		-command do_commit \
		-accelerator $M1T-Return
	lappend disable_on_lock \
		[list .mbar.commit entryconf [.mbar.commit index last] -state]
}
 
# -- Merge Menu
#
if {[is_enabled branch]} {
	menu .mbar.merge
	.mbar.merge add command -label {Local Merge...} \
		-command merge::dialog
	lappend disable_on_lock \
		[list .mbar.merge entryconf [.mbar.merge index last] -state]
	.mbar.merge add command -label {Abort Merge...} \
		-command merge::reset_hard
	lappend disable_on_lock \
		[list .mbar.merge entryconf [.mbar.merge index last] -state]
 
}
 
# -- Transport Menu
#
if {[is_enabled transport]} {
	menu .mbar.fetch
 
	menu .mbar.push
	.mbar.push add command -label {Push...} \
		-command do_push_anywhere
}
 
if {[is_MacOSX]} {
	# -- Apple Menu (Mac OS X only)
	#
	.mbar add cascade -label Apple -menu .mbar.apple
	menu .mbar.apple
 
	.mbar.apple add command -label "About [appname]" \
		-command do_about
	.mbar.apple add command -label "Options..." \
		-command do_options
} else {
	# -- Edit Menu
	#
	.mbar.edit add separator
	.mbar.edit add command -label {Options...} \
		-command do_options
 
	# -- Tools Menu
	#
	if {[file exists /usr/local/miga/lib/gui-miga]
		&& [file exists .pvcsrc]} {
	proc do_miga {} {
		global ui_status_value
		if {![lock_index update]} return
		set cmd [list sh --login -c "/usr/local/miga/lib/gui-miga \"[pwd]\""]
		set miga_fd [open "|$cmd" r]
		fconfigure $miga_fd -blocking 0
		fileevent $miga_fd readable [list miga_done $miga_fd]
		set ui_status_value {Running miga...}
	}
	proc miga_done {fd} {
		read $fd 512
		if {[eof $fd]} {
			close $fd
			unlock_index
			rescan [list set ui_status_value {Ready.}]
		}
	}
	.mbar add cascade -label Tools -menu .mbar.tools
	menu .mbar.tools
	.mbar.tools add command -label "Migrate" \
		-command do_miga
	lappend disable_on_lock \
		[list .mbar.tools entryconf [.mbar.tools index last] -state]
	}
}
 
# -- Help Menu
#
.mbar add cascade -label Help -menu .mbar.help
menu .mbar.help
 
if {![is_MacOSX]} {
	.mbar.help add command -label "About [appname]" \
		-command do_about
}
 
set browser {}
catch {set browser $repo_config(instaweb.browser)}
set doc_path [file dirname [gitexec]]
set doc_path [file join $doc_path Documentation index.html]
 
if {[is_Cygwin]} {
	set doc_path [exec cygpath --mixed $doc_path]
}
 
if {$browser eq {}} {
	if {[is_MacOSX]} {
		set browser open
	} elseif {[is_Cygwin]} {
		set program_files [file dirname [exec cygpath --windir]]
		set program_files [file join $program_files {Program Files}]
		set firefox [file join $program_files {Mozilla Firefox} firefox.exe]
		set ie [file join $program_files {Internet Explorer} IEXPLORE.EXE]
		if {[file exists $firefox]} {
			set browser $firefox
		} elseif {[file exists $ie]} {
			set browser $ie
		}
		unset program_files firefox ie
	}
}
 
if {[file isfile $doc_path]} {
	set doc_url "file:$doc_path"
} else {
	set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
}
 
if {$browser ne {}} {
	.mbar.help add command -label {Online Documentation} \
		-command [list exec $browser $doc_url &]
}
unset browser doc_path doc_url
 
# -- Standard bindings
#
bind .   <Destroy> {if {{%W} eq {.}} do_quit}
bind all <$M1B-Key-q> do_quit
bind all <$M1B-Key-Q> do_quit
bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
 
set subcommand_args {}
proc usage {} {
	puts stderr "usage: $::argv0 $::subcommand $::subcommand_args"
	exit 1
}
 
# -- Not a normal commit type invocation?  Do that instead!
#
switch -- $subcommand {
browser {
	set subcommand_args {rev?}
	switch [llength $argv] {
	0 {
		set current_branch [git symbolic-ref HEAD]
		regsub ^refs/((heads|tags|remotes)/)? \
			$current_branch {} current_branch
	}
	1 {
		set current_branch [lindex $argv 0]
	}
	default usage
	}
	browser::new $current_branch
	return
}
blame {
	set subcommand_args {rev? path?}
	set head {}
	set path {}
	set is_path 0
	foreach a $argv {
		if {$is_path || [file exists $_prefix$a]} {
			if {$path ne {}} usage
			set path $_prefix$a
			break
		} elseif {$a eq {--}} {
			if {$path ne {}} {
				if {$head ne {}} usage
				set head $path
				set path {}
			}
			set is_path 1
		} elseif {$head eq {}} {
			if {$head ne {}} usage
			set head $a
		} else {
			usage
		}
	}
	unset is_path
 
	if {$head eq {}} {
		set current_branch [git symbolic-ref HEAD]
		regsub ^refs/((heads|tags|remotes)/)? \
			$current_branch {} current_branch
	} else {
		set current_branch $head
	}
 
	if {$path eq {}} usage
	blame::new $head $path
	return
}
citool -
gui {
	if {[llength $argv] != 0} {
		puts -nonewline stderr "usage: $argv0"
		if {$subcommand ne {gui} && [appname] ne "git-$subcommand"} {
			puts -nonewline stderr " $subcommand"
		}
		puts stderr {}
		exit 1
	}
	# fall through to setup UI for commits
}
default {
	puts stderr "usage: $argv0 \[{blame|browser|citool}\]"
	exit 1
}
}
 
# -- Branch Control
#
frame .branch \
	-borderwidth 1 \
	-relief sunken
label .branch.l1 \
	-text {Current Branch:} \
	-anchor w \
	-justify left
label .branch.cb \
	-textvariable current_branch \
	-anchor w \
	-justify left
pack .branch.l1 -side left
pack .branch.cb -side left -fill x
pack .branch -side top -fill x
 
# -- Main Window Layout
#
panedwindow .vpane -orient vertical
panedwindow .vpane.files -orient horizontal
.vpane add .vpane.files -sticky nsew -height 100 -width 200
pack .vpane -anchor n -side top -fill both -expand 1
 
# -- Index File List
#
frame .vpane.files.index -height 100 -width 200
label .vpane.files.index.title -text {Staged Changes (Will Be Committed)} \
	-background lightgreen
text $ui_index -background white -borderwidth 0 \
	-width 20 -height 10 \
	-wrap none \
	-cursor $cursor_ptr \
	-xscrollcommand {.vpane.files.index.sx set} \
	-yscrollcommand {.vpane.files.index.sy set} \
	-state disabled
scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
pack .vpane.files.index.title -side top -fill x
pack .vpane.files.index.sx -side bottom -fill x
pack .vpane.files.index.sy -side right -fill y
pack $ui_index -side left -fill both -expand 1
.vpane.files add .vpane.files.index -sticky nsew
 
# -- Working Directory File List
#
frame .vpane.files.workdir -height 100 -width 200
label .vpane.files.workdir.title -text {Unstaged Changes (Will Not Be Committed)} \
	-background lightsalmon
text $ui_workdir -background white -borderwidth 0 \
	-width 20 -height 10 \
	-wrap none \
	-cursor $cursor_ptr \
	-xscrollcommand {.vpane.files.workdir.sx set} \
	-yscrollcommand {.vpane.files.workdir.sy set} \
	-state disabled
scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
pack .vpane.files.workdir.title -side top -fill x
pack .vpane.files.workdir.sx -side bottom -fill x
pack .vpane.files.workdir.sy -side right -fill y
pack $ui_workdir -side left -fill both -expand 1
.vpane.files add .vpane.files.workdir -sticky nsew
 
foreach i [list $ui_index $ui_workdir] {
	$i tag conf in_diff -background lightgray
	$i tag conf in_sel  -background lightgray
}
unset i
 
# -- Diff and Commit Area
#
frame .vpane.lower -height 300 -width 400
frame .vpane.lower.commarea
frame .vpane.lower.diff -relief sunken -borderwidth 1
pack .vpane.lower.commarea -side top -fill x
pack .vpane.lower.diff -side bottom -fill both -expand 1
.vpane add .vpane.lower -sticky nsew
 
# -- Commit Area Buttons
#
frame .vpane.lower.commarea.buttons
label .vpane.lower.commarea.buttons.l -text {} \
	-anchor w \
	-justify left
pack .vpane.lower.commarea.buttons.l -side top -fill x
pack .vpane.lower.commarea.buttons -side left -fill y
 
button .vpane.lower.commarea.buttons.rescan -text {Rescan} \
	-command do_rescan
pack .vpane.lower.commarea.buttons.rescan -side top -fill x
lappend disable_on_lock \
	{.vpane.lower.commarea.buttons.rescan conf -state}
 
button .vpane.lower.commarea.buttons.incall -text {Add Existing} \
	-command do_add_all
pack .vpane.lower.commarea.buttons.incall -side top -fill x
lappend disable_on_lock \
	{.vpane.lower.commarea.buttons.incall conf -state}
 
button .vpane.lower.commarea.buttons.signoff -text {Sign Off} \
	-command do_signoff
pack .vpane.lower.commarea.buttons.signoff -side top -fill x
 
button .vpane.lower.commarea.buttons.commit -text {Commit} \
	-command do_commit
pack .vpane.lower.commarea.buttons.commit -side top -fill x
lappend disable_on_lock \
	{.vpane.lower.commarea.buttons.commit conf -state}
 
# -- Commit Message Buffer
#
frame .vpane.lower.commarea.buffer
frame .vpane.lower.commarea.buffer.header
set ui_comm .vpane.lower.commarea.buffer.t
set ui_coml .vpane.lower.commarea.buffer.header.l
radiobutton .vpane.lower.commarea.buffer.header.new \
	-text {New Commit} \
	-command do_select_commit_type \
	-variable selected_commit_type \
	-value new
lappend disable_on_lock \
	[list .vpane.lower.commarea.buffer.header.new conf -state]
radiobutton .vpane.lower.commarea.buffer.header.amend \
	-text {Amend Last Commit} \
	-command do_select_commit_type \
	-variable selected_commit_type \
	-value amend
lappend disable_on_lock \
	[list .vpane.lower.commarea.buffer.header.amend conf -state]
label $ui_coml \
	-anchor w \
	-justify left
proc trace_commit_type {varname args} {
	global ui_coml commit_type
	switch -glob -- $commit_type {
	initial       {set txt {Initial Commit Message:}}
	amend         {set txt {Amended Commit Message:}}
	amend-initial {set txt {Amended Initial Commit Message:}}
	amend-merge   {set txt {Amended Merge Commit Message:}}
	merge         {set txt {Merge Commit Message:}}
	*             {set txt {Commit Message:}}
	}
	$ui_coml conf -text $txt
}
trace add variable commit_type write trace_commit_type
pack $ui_coml -side left -fill x
pack .vpane.lower.commarea.buffer.header.amend -side right
pack .vpane.lower.commarea.buffer.header.new -side right
 
text $ui_comm -background white -borderwidth 1 \
	-undo true \
	-maxundo 20 \
	-autoseparators true \
	-relief sunken \
	-width 75 -height 9 -wrap none \
	-font font_diff \
	-yscrollcommand {.vpane.lower.commarea.buffer.sby set}
scrollbar .vpane.lower.commarea.buffer.sby \
	-command [list $ui_comm yview]
pack .vpane.lower.commarea.buffer.header -side top -fill x
pack .vpane.lower.commarea.buffer.sby -side right -fill y
pack $ui_comm -side left -fill y
pack .vpane.lower.commarea.buffer -side left -fill y
 
# -- Commit Message Buffer Context Menu
#
set ctxm .vpane.lower.commarea.buffer.ctxm
menu $ctxm -tearoff 0
$ctxm add command \
	-label {Cut} \
	-command {tk_textCut $ui_comm}
$ctxm add command \
	-label {Copy} \
	-command {tk_textCopy $ui_comm}
$ctxm add command \
	-label {Paste} \
	-command {tk_textPaste $ui_comm}
$ctxm add command \
	-label {Delete} \
	-command {$ui_comm delete sel.first sel.last}
$ctxm add separator
$ctxm add command \
	-label {Select All} \
	-command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
$ctxm add command \
	-label {Copy All} \
	-command {
		$ui_comm tag add sel 0.0 end
		tk_textCopy $ui_comm
		$ui_comm tag remove sel 0.0 end
	}
$ctxm add separator
$ctxm add command \
	-label {Sign Off} \
	-command do_signoff
bind_button3 $ui_comm "tk_popup $ctxm %X %Y"
 
# -- Diff Header
#
proc trace_current_diff_path {varname args} {
	global current_diff_path diff_actions file_states
	if {$current_diff_path eq {}} {
		set s {}
		set f {}
		set p {}
		set o disabled
	} else {
		set p $current_diff_path
		set s [mapdesc [lindex $file_states($p) 0] $p]
		set f {File:}
		set p [escape_path $p]
		set o normal
	}
 
	.vpane.lower.diff.header.status configure -text $s
	.vpane.lower.diff.header.file configure -text $f
	.vpane.lower.diff.header.path configure -text $p
	foreach w $diff_actions {
		uplevel #0 $w $o
	}
}
trace add variable current_diff_path write trace_current_diff_path
 
frame .vpane.lower.diff.header -background gold
label .vpane.lower.diff.header.status \
	-background gold \
	-width $max_status_desc \
	-anchor w \
	-justify left
label .vpane.lower.diff.header.file \
	-background gold \
	-anchor w \
	-justify left
label .vpane.lower.diff.header.path \
	-background gold \
	-anchor w \
	-justify left
pack .vpane.lower.diff.header.status -side left
pack .vpane.lower.diff.header.file -side left
pack .vpane.lower.diff.header.path -fill x
set ctxm .vpane.lower.diff.header.ctxm
menu $ctxm -tearoff 0
$ctxm add command \
	-label {Copy} \
	-command {
		clipboard clear
		clipboard append \
			-format STRING \
			-type STRING \
			-- $current_diff_path
	}
lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
 
# -- Diff Body
#
frame .vpane.lower.diff.body
set ui_diff .vpane.lower.diff.body.t
text $ui_diff -background white -borderwidth 0 \
	-width 80 -height 15 -wrap none \
	-font font_diff \
	-xscrollcommand {.vpane.lower.diff.body.sbx set} \
	-yscrollcommand {.vpane.lower.diff.body.sby set} \
	-state disabled
scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
	-command [list $ui_diff xview]
scrollbar .vpane.lower.diff.body.sby -orient vertical \
	-command [list $ui_diff yview]
pack .vpane.lower.diff.body.sbx -side bottom -fill x
pack .vpane.lower.diff.body.sby -side right -fill y
pack $ui_diff -side left -fill both -expand 1
pack .vpane.lower.diff.header -side top -fill x
pack .vpane.lower.diff.body -side bottom -fill both -expand 1
 
$ui_diff tag conf d_cr -elide true
$ui_diff tag conf d_@ -foreground blue -font font_diffbold
$ui_diff tag conf d_+ -foreground {#00a000}
$ui_diff tag conf d_- -foreground red
 
$ui_diff tag conf d_++ -foreground {#00a000}
$ui_diff tag conf d_-- -foreground red
$ui_diff tag conf d_+s \
	-foreground {#00a000} \
	-background {#e2effa}
$ui_diff tag conf d_-s \
	-foreground red \
	-background {#e2effa}
$ui_diff tag conf d_s+ \
	-foreground {#00a000} \
	-background ivory1
$ui_diff tag conf d_s- \
	-foreground red \
	-background ivory1
 
$ui_diff tag conf d<<<<<<< \
	-foreground orange \
	-font font_diffbold
$ui_diff tag conf d======= \
	-foreground orange \
	-font font_diffbold
$ui_diff tag conf d>>>>>>> \
	-foreground orange \
	-font font_diffbold
 
$ui_diff tag raise sel
 
# -- Diff Body Context Menu
#
set ctxm .vpane.lower.diff.body.ctxm
menu $ctxm -tearoff 0
$ctxm add command \
	-label {Refresh} \
	-command reshow_diff
lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
$ctxm add command \
	-label {Copy} \
	-command {tk_textCopy $ui_diff}
lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
$ctxm add command \
	-label {Select All} \
	-command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
$ctxm add command \
	-label {Copy All} \
	-command {
		$ui_diff tag add sel 0.0 end
		tk_textCopy $ui_diff
		$ui_diff tag remove sel 0.0 end
	}
lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
$ctxm add separator
$ctxm add command \
	-label {Apply/Reverse Hunk} \
	-command {apply_hunk $cursorX $cursorY}
set ui_diff_applyhunk [$ctxm index last]
lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
$ctxm add separator
$ctxm add command \
	-label {Decrease Font Size} \
	-command {incr_font_size font_diff -1}
lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
$ctxm add command \
	-label {Increase Font Size} \
	-command {incr_font_size font_diff 1}
lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
$ctxm add separator
$ctxm add command \
	-label {Show Less Context} \
	-command {if {$repo_config(gui.diffcontext) >= 1} {
		incr repo_config(gui.diffcontext) -1
		reshow_diff
	}}
lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
$ctxm add command \
	-label {Show More Context} \
	-command {if {$repo_config(gui.diffcontext) < 99} {
		incr repo_config(gui.diffcontext)
		reshow_diff
	}}
lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
$ctxm add separator
$ctxm add command -label {Options...} \
	-command do_options
bind_button3 $ui_diff "
	set cursorX %x
	set cursorY %y
	if {\$ui_index eq \$current_diff_side} {
		$ctxm entryconf $ui_diff_applyhunk -label {Unstage Hunk From Commit}
	} else {
		$ctxm entryconf $ui_diff_applyhunk -label {Stage Hunk For Commit}
	}
	tk_popup $ctxm %X %Y
"
unset ui_diff_applyhunk
 
# -- Status Bar
#
label .status -textvariable ui_status_value \
	-anchor w \
	-justify left \
	-borderwidth 1 \
	-relief sunken
pack .status -anchor w -side bottom -fill x
 
# -- Load geometry
#
catch {
set gm $repo_config(gui.geometry)
wm geometry . [lindex $gm 0]
.vpane sash place 0 \
	[lindex [.vpane sash coord 0] 0] \
	[lindex $gm 1]
.vpane.files sash place 0 \
	[lindex $gm 2] \
	[lindex [.vpane.files sash coord 0] 1]
unset gm
}
 
# -- Key Bindings
#
bind $ui_comm <$M1B-Key-Return> {do_commit;break}
bind $ui_comm <$M1B-Key-i> {do_add_all;break}
bind $ui_comm <$M1B-Key-I> {do_add_all;break}
bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
 
bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
bind $ui_diff <$M1B-Key-v> {break}
bind $ui_diff <$M1B-Key-V> {break}
bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
bind $ui_diff <Button-1>   {focus %W}
 
if {[is_enabled branch]} {
	bind . <$M1B-Key-n> do_create_branch
	bind . <$M1B-Key-N> do_create_branch
}
 
bind all <Key-F5> do_rescan
bind all <$M1B-Key-r> do_rescan
bind all <$M1B-Key-R> do_rescan
bind .   <$M1B-Key-s> do_signoff
bind .   <$M1B-Key-S> do_signoff
bind .   <$M1B-Key-i> do_add_all
bind .   <$M1B-Key-I> do_add_all
bind .   <$M1B-Key-Return> do_commit
foreach i [list $ui_index $ui_workdir] {
	bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
	bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
	bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
}
unset i
 
set file_lists($ui_index) [list]
set file_lists($ui_workdir) [list]
 
wm title . "[appname] ([reponame]) [file normalize [file dirname [gitdir]]]"
focus -force $ui_comm
 
# -- Warn the user about environmental problems.  Cygwin's Tcl
#    does *not* pass its env array onto any processes it spawns.
#    This means that git processes get none of our environment.
#
if {[is_Cygwin]} {
	set ignored_env 0
	set suggest_user {}
	set msg "Possible environment issues exist.
 
The following environment variables are probably
going to be ignored by any Git subprocess run
by [appname]:
 
"
	foreach name [array names env] {
		switch -regexp -- $name {
		{^GIT_INDEX_FILE$} -
		{^GIT_OBJECT_DIRECTORY$} -
		{^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
		{^GIT_DIFF_OPTS$} -
		{^GIT_EXTERNAL_DIFF$} -
		{^GIT_PAGER$} -
		{^GIT_TRACE$} -
		{^GIT_CONFIG$} -
		{^GIT_CONFIG_LOCAL$} -
		{^GIT_(AUTHOR|COMMITTER)_DATE$} {
			append msg " - $name\n"
			incr ignored_env
		}
		{^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
			append msg " - $name\n"
			incr ignored_env
			set suggest_user $name
		}
		}
	}
	if {$ignored_env > 0} {
		append msg "
This is due to a known issue with the
Tcl binary distributed by Cygwin."
 
		if {$suggest_user ne {}} {
			append msg "
 
A good replacement for $suggest_user
is placing values for the user.name and
user.email settings into your personal
~/.gitconfig file.
"
		}
		warn_popup $msg
	}
	unset ignored_env msg suggest_user name
}
 
# -- Only initialize complex UI if we are going to stay running.
#
if {[is_enabled transport]} {
	load_all_remotes
	load_all_heads
 
	populate_branch_menu
	populate_fetch_menu
	populate_push_menu
}
 
# -- Only suggest a gc run if we are going to stay running.
#
if {[is_enabled multicommit]} {
	set object_limit 2000
	if {[is_Windows]} {set object_limit 200}
	regexp {^([0-9]+) objects,} [git count-objects] _junk objects_current
	if {$objects_current >= $object_limit} {
		if {[ask_popup \
			"This repository currently has $objects_current loose objects.
 
To maintain optimal performance it is strongly recommended that you compress the database when more than $object_limit loose objects exist.
 
Compress the database now?"] eq yes} {
			do_gc
		}
	}
	unset object_limit _junk objects_current
}
 
lock_index begin-read
after 1 do_rescan