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
|
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<meta http-equiv="Content-Type" content="application/xhtml+xml; charset=UTF-8" />
<meta name="generator" content="AsciiDoc 10.2.0" />
<title>git-credential(1)</title>
<style type="text/css">
/* Shared CSS for AsciiDoc xhtml11 and html5 backends */
/* Default font. */
body {
font-family: Georgia,serif;
}
/* Title font. */
h1, h2, h3, h4, h5, h6,
div.title, caption.title,
thead, p.table.header,
#toctitle,
#author, #revnumber, #revdate, #revremark,
#footer {
font-family: Arial,Helvetica,sans-serif;
}
body {
margin: 1em 5% 1em 5%;
}
a {
color: blue;
text-decoration: underline;
}
a:visited {
color: fuchsia;
}
em {
font-style: italic;
color: navy;
}
strong {
font-weight: bold;
color: #083194;
}
h1, h2, h3, h4, h5, h6 {
color: #527bbd;
margin-top: 1.2em;
margin-bottom: 0.5em;
line-height: 1.3;
}
h1, h2, h3 {
border-bottom: 2px solid silver;
}
h2 {
padding-top: 0.5em;
}
h3 {
float: left;
}
h3 + * {
clear: left;
}
h5 {
font-size: 1.0em;
}
div.sectionbody {
margin-left: 0;
}
hr {
border: 1px solid silver;
}
p {
margin-top: 0.5em;
margin-bottom: 0.5em;
}
ul, ol, li > p {
margin-top: 0;
}
ul > li { color: #aaa; }
ul > li > * { color: black; }
.monospaced, code, pre {
font-family: "Courier New", Courier, monospace;
font-size: inherit;
color: navy;
padding: 0;
margin: 0;
}
pre {
white-space: pre-wrap;
}
#author {
color: #527bbd;
font-weight: bold;
font-size: 1.1em;
}
#email {
}
#revnumber, #revdate, #revremark {
}
#footer {
font-size: small;
border-top: 2px solid silver;
padding-top: 0.5em;
margin-top: 4.0em;
}
#footer-text {
float: left;
padding-bottom: 0.5em;
}
#footer-badges {
float: right;
padding-bottom: 0.5em;
}
#preamble {
margin-top: 1.5em;
margin-bottom: 1.5em;
}
div.imageblock, div.exampleblock, div.verseblock,
div.quoteblock, div.literalblock, div.listingblock, div.sidebarblock,
div.admonitionblock {
margin-top: 1.0em;
margin-bottom: 1.5em;
}
div.admonitionblock {
margin-top: 2.0em;
margin-bottom: 2.0em;
margin-right: 10%;
color: #606060;
}
div.content { /* Block element content. */
padding: 0;
}
/* Block element titles. */
div.title, caption.title {
color: #527bbd;
font-weight: bold;
text-align: left;
margin-top: 1.0em;
margin-bottom: 0.5em;
}
div.title + * {
margin-top: 0;
}
td div.title:first-child {
margin-top: 0.0em;
}
div.content div.title:first-child {
margin-top: 0.0em;
}
div.content + div.title {
margin-top: 0.0em;
}
div.sidebarblock > div.content {
background: #ffffee;
border: 1px solid #dddddd;
border-left: 4px solid #f0f0f0;
padding: 0.5em;
}
div.listingblock > div.content {
border: 1px solid #dddddd;
border-left: 5px solid #f0f0f0;
background: #f8f8f8;
padding: 0.5em;
}
div.quoteblock, div.verseblock {
padding-left: 1.0em;
margin-left: 1.0em;
margin-right: 10%;
border-left: 5px solid #f0f0f0;
color: #888;
}
div.quoteblock > div.attribution {
padding-top: 0.5em;
text-align: right;
}
div.verseblock > pre.content {
font-family: inherit;
font-size: inherit;
}
div.verseblock > div.attribution {
padding-top: 0.75em;
text-align: left;
}
/* DEPRECATED: Pre version 8.2.7 verse style literal block. */
div.verseblock + div.attribution {
text-align: left;
}
div.admonitionblock .icon {
vertical-align: top;
font-size: 1.1em;
font-weight: bold;
text-decoration: underline;
color: #527bbd;
padding-right: 0.5em;
}
div.admonitionblock td.content {
padding-left: 0.5em;
border-left: 3px solid #dddddd;
}
div.exampleblock > div.content {
border-left: 3px solid #dddddd;
padding-left: 0.5em;
}
div.imageblock div.content { padding-left: 0; }
span.image img { border-style: none; vertical-align: text-bottom; }
a.image:visited { color: white; }
dl {
margin-top: 0.8em;
margin-bottom: 0.8em;
}
dt {
margin-top: 0.5em;
margin-bottom: 0;
font-style: normal;
color: navy;
}
dd > *:first-child {
margin-top: 0.1em;
}
ul, ol {
list-style-position: outside;
}
ol.arabic {
list-style-type: decimal;
}
ol.loweralpha {
list-style-type: lower-alpha;
}
ol.upperalpha {
list-style-type: upper-alpha;
}
ol.lowerroman {
list-style-type: lower-roman;
}
ol.upperroman {
list-style-type: upper-roman;
}
div.compact ul, div.compact ol,
div.compact p, div.compact p,
div.compact div, div.compact div {
margin-top: 0.1em;
margin-bottom: 0.1em;
}
tfoot {
font-weight: bold;
}
td > div.verse {
white-space: pre;
}
div.hdlist {
margin-top: 0.8em;
margin-bottom: 0.8em;
}
div.hdlist tr {
padding-bottom: 15px;
}
dt.hdlist1.strong, td.hdlist1.strong {
font-weight: bold;
}
td.hdlist1 {
vertical-align: top;
font-style: normal;
padding-right: 0.8em;
color: navy;
}
td.hdlist2 {
vertical-align: top;
}
div.hdlist.compact tr {
margin: 0;
padding-bottom: 0;
}
.comment {
background: yellow;
}
.footnote, .footnoteref {
font-size: 0.8em;
}
span.footnote, span.footnoteref {
vertical-align: super;
}
#footnotes {
margin: 20px 0 20px 0;
padding: 7px 0 0 0;
}
#footnotes div.footnote {
margin: 0 0 5px 0;
}
#footnotes hr {
border: none;
border-top: 1px solid silver;
height: 1px;
text-align: left;
margin-left: 0;
width: 20%;
min-width: 100px;
}
div.colist td {
padding-right: 0.5em;
padding-bottom: 0.3em;
vertical-align: top;
}
div.colist td img {
margin-top: 0.3em;
}
@media print {
#footer-badges { display: none; }
}
#toc {
margin-bottom: 2.5em;
}
#toctitle {
color: #527bbd;
font-size: 1.1em;
font-weight: bold;
margin-top: 1.0em;
margin-bottom: 0.1em;
}
div.toclevel0, div.toclevel1, div.toclevel2, div.toclevel3, div.toclevel4 {
margin-top: 0;
margin-bottom: 0;
}
div.toclevel2 {
margin-left: 2em;
font-size: 0.9em;
}
div.toclevel3 {
margin-left: 4em;
font-size: 0.9em;
}
div.toclevel4 {
margin-left: 6em;
font-size: 0.9em;
}
span.aqua { color: aqua; }
span.black { color: black; }
span.blue { color: blue; }
span.fuchsia { color: fuchsia; }
span.gray { color: gray; }
span.green { color: green; }
span.lime { color: lime; }
span.maroon { color: maroon; }
span.navy { color: navy; }
span.olive { color: olive; }
span.purple { color: purple; }
span.red { color: red; }
span.silver { color: silver; }
span.teal { color: teal; }
span.white { color: white; }
span.yellow { color: yellow; }
span.aqua-background { background: aqua; }
span.black-background { background: black; }
span.blue-background { background: blue; }
span.fuchsia-background { background: fuchsia; }
span.gray-background { background: gray; }
span.green-background { background: green; }
span.lime-background { background: lime; }
span.maroon-background { background: maroon; }
span.navy-background { background: navy; }
span.olive-background { background: olive; }
span.purple-background { background: purple; }
span.red-background { background: red; }
span.silver-background { background: silver; }
span.teal-background { background: teal; }
span.white-background { background: white; }
span.yellow-background { background: yellow; }
span.big { font-size: 2em; }
span.small { font-size: 0.6em; }
span.underline { text-decoration: underline; }
span.overline { text-decoration: overline; }
span.line-through { text-decoration: line-through; }
div.unbreakable { page-break-inside: avoid; }
/*
* xhtml11 specific
*
* */
div.tableblock {
margin-top: 1.0em;
margin-bottom: 1.5em;
}
div.tableblock > table {
border: 3px solid #527bbd;
}
thead, p.table.header {
font-weight: bold;
color: #527bbd;
}
p.table {
margin-top: 0;
}
/* Because the table frame attribute is overridden by CSS in most browsers. */
div.tableblock > table[frame="void"] {
border-style: none;
}
div.tableblock > table[frame="hsides"] {
border-left-style: none;
border-right-style: none;
}
div.tableblock > table[frame="vsides"] {
border-top-style: none;
border-bottom-style: none;
}
/*
* html5 specific
*
* */
table.tableblock {
margin-top: 1.0em;
margin-bottom: 1.5em;
}
thead, p.tableblock.header {
font-weight: bold;
color: #527bbd;
}
p.tableblock {
margin-top: 0;
}
table.tableblock {
border-width: 3px;
border-spacing: 0px;
border-style: solid;
border-color: #527bbd;
border-collapse: collapse;
}
th.tableblock, td.tableblock {
border-width: 1px;
padding: 4px;
border-style: solid;
border-color: #527bbd;
}
table.tableblock.frame-topbot {
border-left-style: hidden;
border-right-style: hidden;
}
table.tableblock.frame-sides {
border-top-style: hidden;
border-bottom-style: hidden;
}
table.tableblock.frame-none {
border-style: hidden;
}
th.tableblock.halign-left, td.tableblock.halign-left {
text-align: left;
}
th.tableblock.halign-center, td.tableblock.halign-center {
text-align: center;
}
th.tableblock.halign-right, td.tableblock.halign-right {
text-align: right;
}
th.tableblock.valign-top, td.tableblock.valign-top {
vertical-align: top;
}
th.tableblock.valign-middle, td.tableblock.valign-middle {
vertical-align: middle;
}
th.tableblock.valign-bottom, td.tableblock.valign-bottom {
vertical-align: bottom;
}
/*
* manpage specific
*
* */
body.manpage h1 {
padding-top: 0.5em;
padding-bottom: 0.5em;
border-top: 2px solid silver;
border-bottom: 2px solid silver;
}
body.manpage h2 {
border-style: none;
}
body.manpage div.sectionbody {
margin-left: 3em;
}
@media print {
body.manpage div#toc { display: none; }
}
</style>
<script type="text/javascript">
/*<+'])');
// Function that scans the DOM tree for header elements (the DOM2
// nodeIterator API would be a better technique but not supported by all
// browsers).
var iterate = function (el) {
for (var i = el.firstChild; i != null; i = i.nextSibling) {
if (i.nodeType == 1 /* Node.ELEMENT_NODE */) {
var mo = re.exec(i.tagName);
if (mo && (i.getAttribute("class") || i.getAttribute("className")) != "float") {
result[result.length] = new TocEntry(i, getText(i), mo[1]-1);
}
iterate(i);
}
}
}
iterate(el);
return result;
}
var toc = document.getElementById("toc");
if (!toc) {
return;
}
// Delete existing TOC entries in case we're reloading the TOC.
var tocEntriesToRemove = [];
var i;
for (i = 0; i < toc.childNodes.length; i++) {
var entry = toc.childNodes[i];
if (entry.nodeName.toLowerCase() == 'div'
&& entry.getAttribute("class")
&& entry.getAttribute("class").match(/^toclevel/))
tocEntriesToRemove.push(entry);
}
for (i = 0; i < tocEntriesToRemove.length; i++) {
toc.removeChild(tocEntriesToRemove[i]);
}
// Rebuild TOC entries.
var entries = tocEntries(document.getElementById("content"), toclevels);
for (var i = 0; i < entries.length; ++i) {
var entry = entries[i];
if (entry.element.id == "")
entry.element.id = "_toc_" + i;
var a = document.createElement("a");
a.href = "#" + entry.element.id;
a.appendChild(document.createTextNode(entry.text));
var div = document.createElement("div");
div.appendChild(a);
div.className = "toclevel" + entry.toclevel;
toc.appendChild(div);
}
if (entries.length == 0)
toc.parentNode.removeChild(toc);
},
/////////////////////////////////////////////////////////////////////
// Footnotes generator
/////////////////////////////////////////////////////////////////////
/* Based on footnote generation code from:
* http://www.brandspankingnew.net/archive/2005/07/format_footnote.html
*/
footnotes: function () {
// Delete existing footnote entries in case we're reloading the footnodes.
var i;
var noteholder = document.getElementById("footnotes");
if (!noteholder) {
return;
}
var entriesToRemove = [];
for (i = 0; i < noteholder.childNodes.length; i++) {
var entry = noteholder.childNodes[i];
if (entry.nodeName.toLowerCase() == 'div' && entry.getAttribute("class") == "footnote")
entriesToRemove.push(entry);
}
for (i = 0; i < entriesToRemove.length; i++) {
noteholder.removeChild(entriesToRemove[i]);
}
// Rebuild footnote entries.
var cont = document.getElementById("content");
var spans = cont.getElementsByTagName("span");
var refs = {};
var n = 0;
for (i=0; i<spans.length; i++) {
if (spans[i].className == "footnote") {
n++;
var note = spans[i].getAttribute("data-note");
if (!note) {
// Use [\s\S] in place of . so multi-line matches work.
// Because JavaScript has no s (dotall) regex flag.
note = spans[i].innerHTML.match(/\s*\[([\s\S]*)]\s*/)[1];
spans[i].innerHTML =
"[<a id='_footnoteref_" + n + "' href='#_footnote_" + n +
"' title='View footnote' class='footnote'>" + n + "</a>]";
spans[i].setAttribute("data-note", note);
}
noteholder.innerHTML +=
"<div class='footnote' id='_footnote_" + n + "'>" +
"<a href='#_footnoteref_" + n + "' title='Return to text'>" +
n + "</a>. " + note + "</div>";
var id =spans[i].getAttribute("id");
if (id != null) refs["#"+id] = n;
}
}
if (n == 0)
noteholder.parentNode.removeChild(noteholder);
else {
// Process footnoterefs.
for (i=0; i<spans.length; i++) {
if (spans[i].className == "footnoteref") {
var href = spans[i].getElementsByTagName("a")[0].getAttribute("href");
href = href.match(/#.*/)[0]; // Because IE return full URL.
n = refs[href];
spans[i].innerHTML =
"[<a href='#_footnote_" + n +
"' title='View footnote' class='footnote'>" + n + "</a>]";
}
}
}
},
install: function(toclevels) {
var timerId;
function reinstall() {
asciidoc.footnotes();
if (toclevels) {
asciidoc.toc(toclevels);
}
}
function reinstallAndRemoveTimer() {
clearInterval(timerId);
reinstall();
}
timerId = setInterval(reinstall, 500);
if (document.addEventListener)
document.addEventListener("DOMContentLoaded", reinstallAndRemoveTimer, false);
else
window.onload = reinstallAndRemoveTimer;
}
}
asciidoc.install();
/*]]>*/
</script>
</head>
<body class="manpage">
<div id="header">
<h1>
git-credential(1) Manual Page
</h1>
<h2>NAME</h2>
<div class="sectionbody">
<p>git-credential -
Retrieve and store user credentials
</p>
</div>
</div>
<div id="content">
<div class="sect1">
<h2 id="_synopsis">SYNOPSIS</h2>
<div class="sectionbody">
<div class="listingblock">
<div class="content">
<pre><code>'git credential' (fill|approve|reject|capability)</code></pre>
</div></div>
</div>
</div>
<div class="sect1">
<h2 id="_description">DESCRIPTION</h2>
<div class="sectionbody">
<div class="paragraph"><p>Git has an internal interface for storing and retrieving credentials
from system-specific helpers, as well as prompting the user for
usernames and passwords. The git-credential command exposes this
interface to scripts which may want to retrieve, store, or prompt for
credentials in the same manner as Git. The design of this scriptable
interface models the internal C API; see credential.h for more
background on the concepts.</p></div>
<div class="paragraph"><p>git-credential takes an "action" option on the command-line (one of
<code>fill</code>, <code>approve</code>, or <code>reject</code>) and reads a credential description
on stdin (see <a href="#IOFMT">INPUT/OUTPUT FORMAT</a>).</p></div>
<div class="paragraph"><p>If the action is <code>fill</code>, git-credential will attempt to add "username"
and "password" attributes to the description by reading config files,
by contacting any configured credential helpers, or by prompting the
user. The username and password attributes of the credential
description are then printed to stdout together with the attributes
already provided.</p></div>
<div class="paragraph"><p>If the action is <code>approve</code>, git-credential will send the description
to any configured credential helpers, which may store the credential
for later use.</p></div>
<div class="paragraph"><p>If the action is <code>reject</code>, git-credential will send the description to
any configured credential helpers, which may erase any stored
credentials matching the description.</p></div>
<div class="paragraph"><p>If the action is <code>capability</code>, git-credential will announce any capabilities
it supports to standard output.</p></div>
<div class="paragraph"><p>If the action is <code>approve</code> or <code>reject</code>, no output should be emitted.</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_typical_use_of_git_credential">TYPICAL USE OF GIT CREDENTIAL</h2>
<div class="sectionbody">
<div class="paragraph"><p>An application using git-credential will typically use <code>git
credential</code> following these steps:</p></div>
<div class="olist arabic"><ol class="arabic">
<li>
<p>
Generate a credential description based on the context.
</p>
<div class="paragraph"><p>For example, if we want a password for
<code>https://example.com/foo.git</code>, we might generate the following
credential description (don’t forget the blank line at the end; it
tells <code>git credential</code> that the application finished feeding all the
information it has):</p></div>
<div class="literalblock">
<div class="content">
<pre><code>protocol=https
host=example.com
path=foo.git</code></pre>
</div></div>
</li>
<li>
<p>
Ask git-credential to give us a username and password for this
description. This is done by running <code>git credential fill</code>,
feeding the description from step (1) to its standard input. The complete
credential description (including the credential per se, i.e. the
login and password) will be produced on standard output, like:
</p>
<div class="literalblock">
<div class="content">
<pre><code>protocol=https
host=example.com
username=bob
password=secr3t</code></pre>
</div></div>
<div class="paragraph"><p>In most cases, this means the attributes given in the input will be
repeated in the output, but Git may also modify the credential
description, for example by removing the <code>path</code> attribute when the
protocol is HTTP(s) and <code>credential.useHttpPath</code> is false.</p></div>
<div class="paragraph"><p>If the <code>git credential</code> knew about the password, this step may
not have involved the user actually typing this password (the
user may have typed a password to unlock the keychain instead,
or no user interaction was done if the keychain was already
unlocked) before it returned <code>password=secr3t</code>.</p></div>
</li>
<li>
<p>
Use the credential (e.g., access the URL with the username and
password from step (2)), and see if it’s accepted.
</p>
</li>
<li>
<p>
Report on the success or failure of the password. If the
credential allowed the operation to complete successfully, then
it can be marked with an "approve" action to tell <code>git
credential</code> to reuse it in its next invocation. If the credential
was rejected during the operation, use the "reject" action so
that <code>git credential</code> will ask for a new password in its next
invocation. In either case, <code>git credential</code> should be fed with
the credential description obtained from step (2) (which also
contains the fields provided in step (1)).
</p>
</li>
</ol></div>
</div>
</div>
<div class="sect1">
<h2 id="IOFMT">INPUT/OUTPUT FORMAT</h2>
<div class="sectionbody">
<div class="paragraph"><p><code>git credential</code> reads and/or writes (depending on the action used)
credential information in its standard input/output. This information
can correspond either to keys for which <code>git credential</code> will obtain
the login information (e.g. host, protocol, path), or to the actual
credential data to be obtained (username/password).</p></div>
<div class="paragraph"><p>The credential is split into a set of named attributes, with one
attribute per line. Each attribute is specified by a key-value pair,
separated by an <code>=</code> (equals) sign, followed by a newline.</p></div>
<div class="paragraph"><p>The key may contain any bytes except <code>=</code>, newline, or NUL. The value may
contain any bytes except newline or NUL. A line, including the trailing
newline, may not exceed 65535 bytes in order to allow implementations to
parse efficiently.</p></div>
<div class="paragraph"><p>Attributes with keys that end with C-style array brackets <code>[]</code> can have
multiple values. Each instance of a multi-valued attribute forms an
ordered list of values - the order of the repeated attributes defines
the order of the values. An empty multi-valued attribute (<code>key[]=\n</code>)
acts to clear any previous entries and reset the list.</p></div>
<div class="paragraph"><p>In all cases, all bytes are treated as-is (i.e., there is no quoting,
and one cannot transmit a value with newline or NUL in it). The list of
attributes is terminated by a blank line or end-of-file.</p></div>
<div class="paragraph"><p>Git understands the following attributes:</p></div>
<div class="dlist"><dl>
<dt class="hdlist1">
<code>protocol</code>
</dt>
<dd>
<p>
The protocol over which the credential will be used (e.g.,
<code>https</code>).
</p>
</dd>
<dt class="hdlist1">
<code>host</code>
</dt>
<dd>
<p>
The remote hostname for a network credential. This includes
the port number if one was specified (e.g., "example.com:8088").
</p>
</dd>
<dt class="hdlist1">
<code>path</code>
</dt>
<dd>
<p>
The path with which the credential will be used. E.g., for
accessing a remote https repository, this will be the
repository’s path on the server.
</p>
</dd>
<dt class="hdlist1">
<code>username</code>
</dt>
<dd>
<p>
The credential’s username, if we already have one (e.g., from a
URL, the configuration, the user, or from a previously run helper).
</p>
</dd>
<dt class="hdlist1">
<code>password</code>
</dt>
<dd>
<p>
The credential’s password, if we are asking it to be stored.
</p>
</dd>
<dt class="hdlist1">
<code>password_expiry_utc</code>
</dt>
<dd>
<p>
Generated passwords such as an OAuth access token may have an expiry date.
When reading credentials from helpers, <code>git credential fill</code> ignores expired
passwords. Represented as Unix time UTC, seconds since 1970.
</p>
</dd>
<dt class="hdlist1">
<code>oauth_refresh_token</code>
</dt>
<dd>
<p>
An OAuth refresh token may accompany a password that is an OAuth access
token. Helpers must treat this attribute as confidential like the password
attribute. Git itself has no special behaviour for this attribute.
</p>
</dd>
<dt class="hdlist1">
<code>url</code>
</dt>
<dd>
<p>
When this special attribute is read by <code>git credential</code>, the
value is parsed as a URL and treated as if its constituent parts
were read (e.g., <code>url=https://example.com</code> would behave as if
<code>protocol=https</code> and <code>host=example.com</code> had been provided). This
can help callers avoid parsing URLs themselves.
</p>
<div class="paragraph"><p>Note that specifying a protocol is mandatory and if the URL
doesn’t specify a hostname (e.g., "cert:///path/to/file") the
credential will contain a hostname attribute whose value is an
empty string.</p></div>
<div class="paragraph"><p>Components which are missing from the URL (e.g., there is no
username in the example above) will be left unset.</p></div>
</dd>
<dt class="hdlist1">
<code>authtype</code>
</dt>
<dd>
<p>
This indicates that the authentication scheme in question should be used.
Common values for HTTP and HTTPS include <code>basic</code>, <code>bearer</code>, and <code>digest</code>,
although the latter is insecure and should not be used. If <code>credential</code>
is used, this may be set to an arbitrary string suitable for the protocol in
question (usually HTTP).
</p>
<div class="paragraph"><p>This value should not be sent unless the appropriate capability (see below) is
provided on input.</p></div>
</dd>
<dt class="hdlist1">
<code>credential</code>
</dt>
<dd>
<p>
The pre-encoded credential, suitable for the protocol in question (usually
HTTP). If this key is sent, <code>authtype</code> is mandatory, and <code>username</code> and
<code>password</code> are not used. For HTTP, Git concatenates the <code>authtype</code> value and
this value with a single space to determine the <code>Authorization</code> header.
</p>
<div class="paragraph"><p>This value should not be sent unless the appropriate capability (see below) is
provided on input.</p></div>
</dd>
<dt class="hdlist1">
<code>ephemeral</code>
</dt>
<dd>
<p>
This boolean value indicates, if true, that the value in the <code>credential</code>
field should not be saved by the credential helper because its usefulness is
limited in time. For example, an HTTP Digest <code>credential</code> value is computed
using a nonce and reusing it will not result in successful authentication.
This may also be used for situations with short duration (e.g., 24-hour)
credentials. The default value is false.
</p>
<div class="paragraph"><p>The credential helper will still be invoked with <code>store</code> or <code>erase</code> so that it
can determine whether the operation was successful.</p></div>
<div class="paragraph"><p>This value should not be sent unless the appropriate capability (see below) is
provided on input.</p></div>
</dd>
<dt class="hdlist1">
<code>state[]</code>
</dt>
<dd>
<p>
This value provides an opaque state that will be passed back to this helper
if it is called again. Each different credential helper may specify this
once. The value should include a prefix unique to the credential helper and
should ignore values that don’t match its prefix.
</p>
<div class="paragraph"><p>This value should not be sent unless the appropriate capability (see below) is
provided on input.</p></div>
</dd>
<dt class="hdlist1">
<code>continue</code>
</dt>
<dd>
<p>
This is a boolean value, which, if enabled, indicates that this
authentication is a non-final part of a multistage authentication step. This
is common in protocols such as NTLM and Kerberos, where two rounds of client
authentication are required, and setting this flag allows the credential
helper to implement the multistage authentication step. This flag should
only be sent if a further stage is required; that is, if another round of
authentication is expected.
</p>
<div class="paragraph"><p>This value should not be sent unless the appropriate capability (see below) is
provided on input. This attribute is <em>one-way</em> from a credential helper to
pass information to Git (or other programs invoking <code>git credential</code>).</p></div>
</dd>
<dt class="hdlist1">
<code>wwwauth[]</code>
</dt>
<dd>
<p>
When an HTTP response is received by Git that includes one or more
<em>WWW-Authenticate</em> authentication headers, these will be passed by Git
to credential helpers.
</p>
<div class="paragraph"><p>Each <em>WWW-Authenticate</em> header value is passed as a multi-valued
attribute <em>wwwauth[]</em>, where the order of the attributes is the same as
they appear in the HTTP response. This attribute is <em>one-way</em> from Git
to pass additional information to credential helpers.</p></div>
</dd>
<dt class="hdlist1">
<code>capability[]</code>
</dt>
<dd>
<p>
This signals that Git, or the helper, as appropriate, supports the capability
in question. This can be used to provide better, more specific data as part
of the protocol. A <code>capability[]</code> directive must precede any value depending
on it and these directives <em>should</em> be the first item announced in the
protocol.
</p>
<div class="paragraph"><p>There are two currently supported capabilities. The first is <code>authtype</code>, which
indicates that the <code>authtype</code>, <code>credential</code>, and <code>ephemeral</code> values are
understood. The second is <code>state</code>, which indicates that the <code>state[]</code> and
<code>continue</code> values are understood.</p></div>
<div class="paragraph"><p>It is not obligatory to use the additional features just because the capability
is supported, but they should not be provided without the capability.</p></div>
</dd>
</dl></div>
<div class="paragraph"><p>Unrecognised attributes and capabilities are silently discarded.</p></div>
</div>
</div>
<div class="sect1">
<h2 id="CAPA-IOFMT">CAPABILITY INPUT/OUTPUT FORMAT</h2>
<div class="sectionbody">
<div class="paragraph"><p>For <code>git credential capability</code>, the format is slightly different. First, a
<code>version 0</code> announcement is made to indicate the current version of the
protocol, and then each capability is announced with a line like <code>capability
authtype</code>. Credential helpers may also implement this format, again with the
<code>capability</code> argument. Additional lines may be added in the future; callers
should ignore lines which they don’t understand.</p></div>
<div class="paragraph"><p>Because this is a new part of the credential helper protocol, older versions of
Git, as well as some credential helpers, may not support it. If a non-zero
exit status is received, or if the first line doesn’t start with the word
<code>version</code> and a space, callers should assume that no capabilities are supported.</p></div>
<div class="paragraph"><p>The intention of this format is to differentiate it from the credential output
in an unambiguous way. It is possible to use very simple credential helpers
(e.g., inline shell scripts) which always produce identical output. Using a
distinct format allows users to continue to use this syntax without having to
worry about correctly implementing capability advertisements or accidentally
confusing callers querying for capabilities.</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_git">GIT</h2>
<div class="sectionbody">
<div class="paragraph"><p>Part of the <a href="git.html">git(1)</a> suite</p></div>
</div>
</div>
</div>
<div id="footnotes"><hr /></div>
<div id="footer">
<div id="footer-text">
Last updated
2024-05-13 12:26:56 PDT
</div>
</div>
</body>
</html>
|
