merge(third_party/git): Merge squashed git subtree at v2.23.0

Merge commit '1b593e1ea4' as 'third_party/git'
This commit is contained in:
Vincent Ambo 2020-01-11 23:36:56 +00:00
commit 7ef0d62730
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// Copyright (C) 2007, Fredrik Kuivinen <frekui@gmail.com>
// 2007, Petr Baudis <pasky@suse.cz>
// 2008-2011, Jakub Narebski <jnareb@gmail.com>
/**
* @fileOverview Generic JavaScript code (helper functions)
* @license GPLv2 or later
*/
/* ============================================================ */
/* ............................................................ */
/* Padding */
/**
* pad INPUT on the left with STR that is assumed to have visible
* width of single character (for example nonbreakable spaces),
* to WIDTH characters
*
* example: padLeftStr(12, 3, '\u00A0') == '\u00A012'
* ('\u00A0' is nonbreakable space)
*
* @param {Number|String} input: number to pad
* @param {Number} width: visible width of output
* @param {String} str: string to prefix to string, defaults to '\u00A0'
* @returns {String} INPUT prefixed with STR x (WIDTH - INPUT.length)
*/
function padLeftStr(input, width, str) {
var prefix = '';
if (typeof str === 'undefined') {
ch = '\u00A0'; // using '&nbsp;' doesn't work in all browsers
}
width -= input.toString().length;
while (width > 0) {
prefix += str;
width--;
}
return prefix + input;
}
/**
* Pad INPUT on the left to WIDTH, using given padding character CH,
* for example padLeft('a', 3, '_') is '__a'
* padLeft(4, 2) is '04' (same as padLeft(4, 2, '0'))
*
* @param {String} input: input value converted to string.
* @param {Number} width: desired length of output.
* @param {String} ch: single character to prefix to string, defaults to '0'.
*
* @returns {String} Modified string, at least SIZE length.
*/
function padLeft(input, width, ch) {
var s = input + "";
if (typeof ch === 'undefined') {
ch = '0';
}
while (s.length < width) {
s = ch + s;
}
return s;
}
/* ............................................................ */
/* Handling browser incompatibilities */
/**
* Create XMLHttpRequest object in cross-browser way
* @returns XMLHttpRequest object, or null
*/
function createRequestObject() {
try {
return new XMLHttpRequest();
} catch (e) {}
try {
return window.createRequest();
} catch (e) {}
try {
return new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {}
try {
return new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {}
return null;
}
/**
* Insert rule giving specified STYLE to given SELECTOR at the end of
* first CSS stylesheet.
*
* @param {String} selector: CSS selector, e.g. '.class'
* @param {String} style: rule contents, e.g. 'background-color: red;'
*/
function addCssRule(selector, style) {
var stylesheet = document.styleSheets[0];
var theRules = [];
if (stylesheet.cssRules) { // W3C way
theRules = stylesheet.cssRules;
} else if (stylesheet.rules) { // IE way
theRules = stylesheet.rules;
}
if (stylesheet.insertRule) { // W3C way
stylesheet.insertRule(selector + ' { ' + style + ' }', theRules.length);
} else if (stylesheet.addRule) { // IE way
stylesheet.addRule(selector, style);
}
}
/* ............................................................ */
/* Support for legacy browsers */
/**
* Provides getElementsByClassName method, if there is no native
* implementation of this method.
*
* NOTE that there are limits and differences compared to native
* getElementsByClassName as defined by e.g.:
* https://developer.mozilla.org/en/DOM/document.getElementsByClassName
* http://www.whatwg.org/specs/web-apps/current-work/multipage/dom.html#dom-getelementsbyclassname
* http://www.whatwg.org/specs/web-apps/current-work/multipage/dom.html#dom-document-getelementsbyclassname
*
* Namely, this implementation supports only single class name as
* argument and not set of space-separated tokens representing classes,
* it returns Array of nodes rather than live NodeList, and has
* additional optional argument where you can limit search to given tags
* (via getElementsByTagName).
*
* Based on
* http://code.google.com/p/getelementsbyclassname/
* http://www.dustindiaz.com/getelementsbyclass/
* http://stackoverflow.com/questions/1818865/do-we-have-getelementsbyclassname-in-javascript
*
* See also http://ejohn.org/blog/getelementsbyclassname-speed-comparison/
*
* @param {String} class: name of _single_ class to find
* @param {String} [taghint] limit search to given tags
* @returns {Node[]} array of matching elements
*/
if (!('getElementsByClassName' in document)) {
document.getElementsByClassName = function (classname, taghint) {
taghint = taghint || "*";
var elements = (taghint === "*" && document.all) ?
document.all :
document.getElementsByTagName(taghint);
var pattern = new RegExp("(^|\\s)" + classname + "(\\s|$)");
var matches= [];
for (var i = 0, j = 0, n = elements.length; i < n; i++) {
var el= elements[i];
if (el.className && pattern.test(el.className)) {
// matches.push(el);
matches[j] = el;
j++;
}
}
return matches;
};
} // end if
/* ............................................................ */
/* unquoting/unescaping filenames */
/**#@+
* @constant
*/
var escCodeRe = /\\([^0-7]|[0-7]{1,3})/g;
var octEscRe = /^[0-7]{1,3}$/;
var maybeQuotedRe = /^\"(.*)\"$/;
/**#@-*/
/**
* unquote maybe C-quoted filename (as used by git, i.e. it is
* in double quotes '"' if there is any escape character used)
* e.g. 'aa' -> 'aa', '"a\ta"' -> 'a a'
*
* @param {String} str: git-quoted string
* @returns {String} Unquoted and unescaped string
*
* @globals escCodeRe, octEscRe, maybeQuotedRe
*/
function unquote(str) {
function unq(seq) {
var es = {
// character escape codes, aka escape sequences (from C)
// replacements are to some extent JavaScript specific
t: "\t", // tab (HT, TAB)
n: "\n", // newline (NL)
r: "\r", // return (CR)
f: "\f", // form feed (FF)
b: "\b", // backspace (BS)
a: "\x07", // alarm (bell) (BEL)
e: "\x1B", // escape (ESC)
v: "\v" // vertical tab (VT)
};
if (seq.search(octEscRe) !== -1) {
// octal char sequence
return String.fromCharCode(parseInt(seq, 8));
} else if (seq in es) {
// C escape sequence, aka character escape code
return es[seq];
}
// quoted ordinary character
return seq;
}
var match = str.match(maybeQuotedRe);
if (match) {
str = match[1];
// perhaps str = eval('"'+str+'"'); would be enough?
str = str.replace(escCodeRe,
function (substr, p1, offset, s) { return unq(p1); });
}
return str;
}
/* end of common-lib.js */

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/**
* @fileOverview Accessing cookies from JavaScript
* @license GPLv2 or later
*/
/*
* Based on subsection "Cookies in JavaScript" of "Professional
* JavaScript for Web Developers" by Nicholas C. Zakas and cookie
* plugin from jQuery (dual licensed under the MIT and GPL licenses)
*/
/**
* Create a cookie with the given name and value,
* and other optional parameters.
*
* @example
* setCookie('foo', 'bar'); // will be deleted when browser exits
* setCookie('foo', 'bar', { expires: new Date(Date.parse('Jan 1, 2012')) });
* setCookie('foo', 'bar', { expires: 7 }); // 7 days = 1 week
* setCookie('foo', 'bar', { expires: 14, path: '/' });
*
* @param {String} sName: Unique name of a cookie (letters, numbers, underscores).
* @param {String} sValue: The string value stored in a cookie.
* @param {Object} [options] An object literal containing key/value pairs
* to provide optional cookie attributes.
* @param {String|Number|Date} [options.expires] Either literal string to be used as cookie expires,
* or an integer specifying the expiration date from now on in days,
* or a Date object to be used as cookie expiration date.
* If a negative value is specified or a date in the past),
* the cookie will be deleted.
* If set to null or omitted, the cookie will be a session cookie
* and will not be retained when the browser exits.
* @param {String} [options.path] Restrict access of a cookie to particular directory
* (default: path of page that created the cookie).
* @param {String} [options.domain] Override what web sites are allowed to access cookie
* (default: domain of page that created the cookie).
* @param {Boolean} [options.secure] If true, the secure attribute of the cookie will be set
* and the cookie would be accessible only from secure sites
* (cookie transmission will require secure protocol like HTTPS).
*/
function setCookie(sName, sValue, options) {
options = options || {};
if (sValue === null) {
sValue = '';
option.expires = 'delete';
}
var sCookie = sName + '=' + encodeURIComponent(sValue);
if (options.expires) {
var oExpires = options.expires, sDate;
if (oExpires === 'delete') {
sDate = 'Thu, 01 Jan 1970 00:00:00 GMT';
} else if (typeof oExpires === 'string') {
sDate = oExpires;
} else {
var oDate;
if (typeof oExpires === 'number') {
oDate = new Date();
oDate.setTime(oDate.getTime() + (oExpires * 24 * 60 * 60 * 1000)); // days to ms
} else {
oDate = oExpires;
}
sDate = oDate.toGMTString();
}
sCookie += '; expires=' + sDate;
}
if (options.path) {
sCookie += '; path=' + (options.path);
}
if (options.domain) {
sCookie += '; domain=' + (options.domain);
}
if (options.secure) {
sCookie += '; secure';
}
document.cookie = sCookie;
}
/**
* Get the value of a cookie with the given name.
*
* @param {String} sName: Unique name of a cookie (letters, numbers, underscores)
* @returns {String|null} The string value stored in a cookie
*/
function getCookie(sName) {
var sRE = '(?:; )?' + sName + '=([^;]*);?';
var oRE = new RegExp(sRE);
if (oRE.test(document.cookie)) {
return decodeURIComponent(RegExp['$1']);
} else {
return null;
}
}
/**
* Delete cookie with given name
*
* @param {String} sName: Unique name of a cookie (letters, numbers, underscores)
* @param {Object} [options] An object literal containing key/value pairs
* to provide optional cookie attributes.
* @param {String} [options.path] Must be the same as when setting a cookie
* @param {String} [options.domain] Must be the same as when setting a cookie
*/
function deleteCookie(sName, options) {
options = options || {};
options.expires = 'delete';
setCookie(sName, '', options);
}
/* end of cookies.js */

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// Copyright (C) 2007, Fredrik Kuivinen <frekui@gmail.com>
// 2007, Petr Baudis <pasky@suse.cz>
// 2008-2011, Jakub Narebski <jnareb@gmail.com>
/**
* @fileOverview Datetime manipulation: parsing and formatting
* @license GPLv2 or later
*/
/* ............................................................ */
/* parsing and retrieving datetime related information */
/**
* used to extract hours and minutes from timezone info, e.g '-0900'
* @constant
*/
var tzRe = /^([+\-])([0-9][0-9])([0-9][0-9])$/;
/**
* convert numeric timezone +/-ZZZZ to offset from UTC in seconds
*
* @param {String} timezoneInfo: numeric timezone '(+|-)HHMM'
* @returns {Number} offset from UTC in seconds for timezone
*
* @globals tzRe
*/
function timezoneOffset(timezoneInfo) {
var match = tzRe.exec(timezoneInfo);
var tz_sign = (match[1] === '-' ? -1 : +1);
var tz_hour = parseInt(match[2],10);
var tz_min = parseInt(match[3],10);
return tz_sign*(((tz_hour*60) + tz_min)*60);
}
/**
* return local (browser) timezone as offset from UTC in seconds
*
* @returns {Number} offset from UTC in seconds for local timezone
*/
function localTimezoneOffset() {
// getTimezoneOffset returns the time-zone offset from UTC,
// in _minutes_, for the current locale
return ((new Date()).getTimezoneOffset() * -60);
}
/**
* return local (browser) timezone as numeric timezone '(+|-)HHMM'
*
* @returns {String} locat timezone as -/+ZZZZ
*/
function localTimezoneInfo() {
var tzOffsetMinutes = (new Date()).getTimezoneOffset() * -1;
return formatTimezoneInfo(0, tzOffsetMinutes);
}
/**
* Parse RFC-2822 date into a Unix timestamp (into epoch)
*
* @param {String} date: date in RFC-2822 format, e.g. 'Thu, 21 Dec 2000 16:01:07 +0200'
* @returns {Number} epoch i.e. seconds since '00:00:00 1970-01-01 UTC'
*/
function parseRFC2822Date(date) {
// Date.parse accepts the IETF standard (RFC 1123 Section 5.2.14 and elsewhere)
// date syntax, which is defined in RFC 2822 (obsoletes RFC 822)
// and returns number of _milli_seconds since January 1, 1970, 00:00:00 UTC
return Date.parse(date) / 1000;
}
/* ............................................................ */
/* formatting date */
/**
* format timezone offset as numerical timezone '(+|-)HHMM' or '(+|-)HH:MM'
*
* @param {Number} hours: offset in hours, e.g. 2 for '+0200'
* @param {Number} [minutes] offset in minutes, e.g. 30 for '-4030';
* it is split into hours if not 0 <= minutes < 60,
* for example 1200 would give '+0100';
* defaults to 0
* @param {String} [sep] separator between hours and minutes part,
* default is '', might be ':' for W3CDTF (rfc-3339)
* @returns {String} timezone in '(+|-)HHMM' or '(+|-)HH:MM' format
*/
function formatTimezoneInfo(hours, minutes, sep) {
minutes = minutes || 0; // to be able to use formatTimezoneInfo(hh)
sep = sep || ''; // default format is +/-ZZZZ
if (minutes < 0 || minutes > 59) {
hours = minutes > 0 ? Math.floor(minutes / 60) : Math.ceil(minutes / 60);
minutes = Math.abs(minutes - 60*hours); // sign of minutes is sign of hours
// NOTE: this works correctly because there is no UTC-00:30 timezone
}
var tzSign = hours >= 0 ? '+' : '-';
if (hours < 0) {
hours = -hours; // sign is stored in tzSign
}
return tzSign + padLeft(hours, 2, '0') + sep + padLeft(minutes, 2, '0');
}
/**
* translate 'utc' and 'local' to numerical timezone
* @param {String} timezoneInfo: might be 'utc' or 'local' (browser)
*/
function normalizeTimezoneInfo(timezoneInfo) {
switch (timezoneInfo) {
case 'utc':
return '+0000';
case 'local': // 'local' is browser timezone
return localTimezoneInfo();
}
return timezoneInfo;
}
/**
* return date in local time formatted in iso-8601 like format
* 'yyyy-mm-dd HH:MM:SS +/-ZZZZ' e.g. '2005-08-07 21:49:46 +0200'
*
* @param {Number} epoch: seconds since '00:00:00 1970-01-01 UTC'
* @param {String} timezoneInfo: numeric timezone '(+|-)HHMM'
* @returns {String} date in local time in iso-8601 like format
*/
function formatDateISOLocal(epoch, timezoneInfo) {
// date corrected by timezone
var localDate = new Date(1000 * (epoch +
timezoneOffset(timezoneInfo)));
var localDateStr = // e.g. '2005-08-07'
localDate.getUTCFullYear() + '-' +
padLeft(localDate.getUTCMonth()+1, 2, '0') + '-' +
padLeft(localDate.getUTCDate(), 2, '0');
var localTimeStr = // e.g. '21:49:46'
padLeft(localDate.getUTCHours(), 2, '0') + ':' +
padLeft(localDate.getUTCMinutes(), 2, '0') + ':' +
padLeft(localDate.getUTCSeconds(), 2, '0');
return localDateStr + ' ' + localTimeStr + ' ' + timezoneInfo;
}
/**
* return date in local time formatted in rfc-2822 format
* e.g. 'Thu, 21 Dec 2000 16:01:07 +0200'
*
* @param {Number} epoch: seconds since '00:00:00 1970-01-01 UTC'
* @param {String} timezoneInfo: numeric timezone '(+|-)HHMM'
* @param {Boolean} [padDay] e.g. 'Sun, 07 Aug' if true, 'Sun, 7 Aug' otherwise
* @returns {String} date in local time in rfc-2822 format
*/
function formatDateRFC2882(epoch, timezoneInfo, padDay) {
// A short textual representation of a month, three letters
var months = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];
// A textual representation of a day, three letters
var days = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"];
// date corrected by timezone
var localDate = new Date(1000 * (epoch +
timezoneOffset(timezoneInfo)));
var localDateStr = // e.g. 'Sun, 7 Aug 2005' or 'Sun, 07 Aug 2005'
days[localDate.getUTCDay()] + ', ' +
(padDay ? padLeft(localDate.getUTCDate(),2,'0') : localDate.getUTCDate()) + ' ' +
months[localDate.getUTCMonth()] + ' ' +
localDate.getUTCFullYear();
var localTimeStr = // e.g. '21:49:46'
padLeft(localDate.getUTCHours(), 2, '0') + ':' +
padLeft(localDate.getUTCMinutes(), 2, '0') + ':' +
padLeft(localDate.getUTCSeconds(), 2, '0');
return localDateStr + ' ' + localTimeStr + ' ' + timezoneInfo;
}
/* end of datetime.js */