I did that, and i got the following error during maintenance/update.php. Now i am wondering, when i restore the wiki files, i actually copy the entire folder htdocs from v1.25.1 to v1.26.0.
Maybe I shouldn't do that?
<pre>
bitnami@linux:/opt/bitnami/apps/mediawiki/htdocs$ sudo php maintenance/update.php
MediaWiki 1.25.1 Updater
Your composer.lock file is up to date with current dependencies!
Going to run database updates for bitnami_mediawiki-tda_
Depending on the size of your database this may take a while!
Abort with control-c in the next five seconds (skip this countdown with --quick) ... 4 0
Turning off Content Handler DB fields for this part of upgrade.
...ipblocks table does not exist, skipping new field patch.
...ipblocks table does not exist, skipping new field patch.
Creating interwiki table ...done.
Adding default interwiki definitions ...A database query error has occurred.
Query: REPLACE INTO `tda_interwiki` (iw_prefix,iw_url,iw_local,iw_api) VALUES
('acronym','http://www.acronymfinder.com/~/search/af.aspx?string=exact&Acronym=$1',0,''),
('advogato','http://www.advogato.org/$1',0,''),
('arxiv','http://www.arxiv.org/abs/$1',0,''),
('c2find','http://c2.com/cgi/wiki?FindPage&value=$1',0,''),
('cache','http://www.google.com/search?q=cache:$1',0,''),
('commons','https://commons.wikimedia.org/wiki/$1',0,'https://commons.wikimedia.org/w/api.php'),
('dictionary','http://www.dict.org/bin/Dict?Database=*&Form=Dict1&Strategy=*&Query=$1',0,''),
('docbook','http://wiki.docbook.org/$1',0,''),
('doi','http://dx.doi.org/$1',0,''),
('drumcorpswiki','http://www.drumcorpswiki.com/$1',0,'http://drumcorpswiki.com/api.php'),
('dwjwiki','http://www.suberic.net/cgi-bin/dwj/wiki.cgi?$1',0,''),
('elibre','http://enciclopedia.us.es/index.php/$1',0,'http://enciclopedia.us.es/api.php'),
('emacswiki','http://www.emacswiki.org/cgi-bin/wiki.pl?$1',0,''),
('foldoc','http://foldoc.org/?$1',0,''),
('foxwiki','http://fox.wikis.com/wc.dll?Wiki~$1',0,''),
('freebsdman','http://www.FreeBSD.org/cgi/man.cgi?apropos=1&query=$1',0,''),
('gej','http://www.esperanto.de/dej.malnova/aktivikio.pl?$1',0,''),
('gentoo-wiki','http://gentoo-wiki.com/$1',0,''),
('google','http://www.google.com/search?q=$1',0,''),
('googlegroups','http://groups.google.com/groups?q=$1',0,''),
('hammondwiki','http://www.dairiki.org/HammondWiki/$1',0,''),
('hrwiki','http://www.hrwiki.org/wiki/$1',0,'http://www.hrwiki.org/w/api.php'),
('imdb','http://www.imdb.com/find?q=$1&tt=on',0,''),
('jargonfile','http://sunir.org/apps/meta.pl?wiki=JargonFile&redirect=$1',0,''),
('kmwiki','http://kmwiki.wikispaces.com/$1',0,''),
('linuxwiki','http://linuxwiki.de/$1',0,''),
('lojban','http://www.lojban.org/tiki/tiki-index.php?page=$1',0,''),
('lqwiki','http://wiki.linuxquestions.org/wiki/$1',0,''),
('lugkr','http://www.lug-kr.de/wiki/$1',0,''),
('meatball','http://www.usemod.com/cgi-bin/mb.pl?$1',0,''),
('mediawikiwiki','https://www.mediawiki.org/wiki/$1',0,'https://www.mediawiki.org/w/api.php'),
('mediazilla','https://bugzilla.wikimedia.org/$1',0,''),
('memoryalpha','http://en.memory-alpha.org/wiki/$1',0,'http://en.memory-alpha.org/api.php'),
('metawiki','http://sunir.org/apps/meta.pl?$1',0,''),
('metawikimedia','https://meta.wikimedia.org/wiki/$1',0,'https://meta.wikimedia.org/w/api.php'),
('mozillawiki','http://wiki.mozilla.org/$1',0,'https://wiki.mozilla.org/api.php'),
('mw','https://www.mediawiki.org/wiki/$1',0,'https://www.mediawiki.org/w/api.php'),
('oeis','http://oeis.org/$1',0,''),
('openwiki','http://openwiki.com/ow.asp?$1',0,''),
('ppr','http://c2.com/cgi/wiki?$1',0,''),
('pythoninfo','http://wiki.python.org/moin/$1',0,''),
('rfc','http://www.rfc-editor.org/rfc/rfc$1.txt',0,''),
('s23wiki','http://s23.org/wiki/$1',0,'http://s23.org/w/api.php'),
('seattlewireless','http://seattlewireless.net/$1',0,''),
('senseislibrary','http://senseis.xmp.net/?$1',0,''),
('shoutwiki','http://www.shoutwiki.com/wiki/$1',0,'http://www.shoutwiki.com/w/api.php'),
('sourceforge','http://sourceforge.net/$1',0,''),
('sourcewatch','http://www.sourcewatch.org/index.php?title=$1',0,'http://www.sourcewatch.org/api.php'),
('squeak','http://wiki.squeak.org/squeak/$1',0,''),
('tejo','http://www.tejo.org/vikio/$1',0,''),
('tmbw','http://www.tmbw.net/wiki/$1',0,'http://tmbw.net/wiki/api.php'),
('tmnet','http://www.technomanifestos.net/?$1',0,''),
('theopedia','http://www.theopedia.com/$1',0,''),
('twiki','http://twiki.org/cgi-bin/view/$1',0,''),
('uea','http://uea.org/vikio/index.php/$1',0,'http://uea.org/vikio/api.php'),
('uncyclopedia','http://en.uncyclopedia.co/wiki/$1',0,'http://en.uncyclopedia.co/w/api.php'),
('unreal','http://wiki.beyondunreal.com/$1',0,'http://wiki.beyondunreal.com/w/api.php'),
('usemod','http://www.usemod.com/cgi-bin/wiki.pl?$1',0,''),
('webseitzwiki','http://webseitz.fluxent.com/wiki/$1',0,''),
('wiki','http://c2.com/cgi/wiki?$1',0,''),
('wikia','http://www.wikia.com/wiki/$1',0,''),
('wikibooks','https://en.wikibooks.org/wiki/$1',0,'https://en.wikibooks.org/w/api.php'),
('wikif1','http://www.wikif1.org/$1',0,''),
('wikihow','http://www.wikihow.com/$1',0,'http://www.wikihow.com/api.php'),
('wikinfo','http://wikinfo.co/English/index.php/$1',0,''),
('wikimedia','https://wikimediafoundation.org/wiki/$1',0,'https://wikimediafoundation.org/w/api.php'),
('wikinews','https://en.wikinews.org/wiki/$1',0,'https://en.wikinews.org/w/api.php'),
('wikipedia','https://en.wikipedia.org/wiki/$1',0,'https://en.wikipedia.org/w/api.php'),
('wikiquote','https://en.wikiquote.org/wiki/$1',0,'https://en.wikiquote.org/w/api.php'),
('wikisource','https://wikisource.org/wiki/$1',0,'https://wikisource.org/w/api.php'),
('wikispecies','https://species.wikimedia.org/wiki/$1',0,'https://species.wikimedia.org/w/api.php'),
('wikiversity','https://en.wikiversity.org/wiki/$1',0,'https://en.wikiversity.org/w/api.php'),
('wikivoyage','https://en.wikivoyage.org/wiki/$1',0,'https://en.wikivoyage.org/w/api.php'),
('wikt','https://en.wiktionary.org/wiki/$1',0,'https://en.wiktionary.org/w/api.php'),
('wiktionary','https://en.wiktionary.org/wiki/$1',0,'https://en.wiktionary.org/w/api.php')
Function: DatabaseBase::sourceFile( /opt/bitnami/apps/mediawiki/htdocs/maintenance/interwiki.sql )
Error: 1054 Unknown column 'iw_api' in 'field list' (localhost:3306)