Restore fallback when calling git via shell fails

getVersion() now prints Git commit hash

If DokuWiki is running from Git, on Admin page Version will be shown as
`Git YYYY-MM-DD (<COMMIT>)`.

COMMIT is the abbreviated hash if shell_exec() can be us

getVersion() now prints Git commit hash

If DokuWiki is running from Git, on Admin page Version will be shown as
`Git YYYY-MM-DD (<COMMIT>)`.

COMMIT is the abbreviated hash if shell_exec() can be used to retrieve
information from git log, or the full hash otherwise.

Fixes #3877

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Retrieve head commit from packed-refs file

Fixes #3877

Ensure shell_exec() is available before calling it

Fixes #3876

translation update

Update template.php

Revert "reset Event System in TestRequest"

This reverts commit d09a8e055b2b1ddb55da17403441e873517de553.

We have test that manipulate the event handler (eg. registering their
own events on that han

Revert "reset Event System in TestRequest"

This reverts commit d09a8e055b2b1ddb55da17403441e873517de553.

We have test that manipulate the event handler (eg. registering their
own events on that handler) which broke with above commit.

A better way needs to be found.

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Fix for PHP 8.1 Warning

I am running Dokuwiki Release 2022-07-31a "Igor" and I noticed the following variety of PHP logs generated:
[01-Feb-2023 07:21:37 Asia/Kolkata] PHP Warning: Undefined array

Fix for PHP 8.1 Warning

I am running Dokuwiki Release 2022-07-31a "Igor" and I noticed the following variety of PHP logs generated:
[01-Feb-2023 07:21:37 Asia/Kolkata] PHP Warning: Undefined array key "host" in /home/ekvastra/wiki.ekvastra.in/inc/common.php on line 1362

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reset Event System in TestRequest

To better simulate requests, event registration should be redone on each
simulated request.

Avoid indexing into log line

Should fix #3868

A log file should be treated as untrusted input. Thus we can make no assumptions about its content. Assuming a line has at least 2 characters length

Avoid indexing into log line

Should fix #3868

A log file should be treated as untrusted input. Thus we can make no assumptions about its content. Assuming a line has at least 2 characters length is an assumption we can avoid by using `substr($line, 0, 2) === ' '` instead of `$line[0] === ' ' && $line[1] === ' '`. No need to separately check for empty or `null` either.

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update to lesserphp 0.6

try utf8_decode last

utf8_decode has been deprecated with PHP 8.2 so we now only use it when
no other mechanisms (mbstring and intl) are available

Adjustments for new SimplePie version

updated composer dependencies

avoid warning in formText when no text is given

use httpbingo for HTPP tests

This service is based on httpbin-go which seems to be better maintained
and should be easy to set up for ourselves if needed.

This also fixes a warning when the client

use httpbingo for HTPP tests

This service is based on httpbin-go which seems to be better maintained
and should be easy to set up for ourselves if needed.

This also fixes a warning when the client is reused with the
max_bodysize mechanism

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fix deprecated ${var} usage

add webp to default mime types. #3816

use newer checkout action and test on php 8.2

fix accidental overwriting of variable in bulkmailer #3862

When the bulkmailer tries to skip own or minor edits, it was overwriting
$rev with a timestamp instead of using the proper array structure

fix accidental overwriting of variable in bulkmailer #3862

When the bulkmailer tries to skip own or minor edits, it was overwriting
$rev with a timestamp instead of using the proper array structure
returned by getRevisionInfo().

This also moves the initialization of the PageChangeLog object out of
the while loop to ensure it's inner caching mechanism is utilized when
fetching the info.

This should fix #3862

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fix isset checks in Mailer class

$INFO might be set, but may not contain any user info

update ParserCache dependency to reflect new file location

use POSIX standard 'dot' built-in rather than 'source'

do not try to resolve prefixes of an empty ID

a problem reported in https://forum.dokuwiki.org/d/20776-breadcrumbs-youarehere-uninitialized-string-offset-0

Update some chinese to make them deambiguation