Remove two unmaintained vendor packages `i18n` and `paginater`. Changes:
* Rewrite `i18n` package with a more clear fallback mechanism. Fix an unstable `Tr` behavior, add more tests.
* Refactor the legacy `Paginater` to `Paginator`, test cases are kept unchanged.
Trivial enhancement (no breaking for end users):
* Use the first locale in LANGS setting option as the default, add a log to prevent from surprising users.
Change all cron tasks to make them no notice on success default. Instead if a user
wants notices on success they need to add NOTICE_ON_SUCCESS=true instead.
## ⚠️ BREAKING ⚠️
This changes the cron config so that notices on success are no longer set by default
and breaks NO_SUCCESS_NOTICE settings. Instead users who want notices on success
must set NOTICE_ON_SUCCESS=true instead.
Signed-off-by: Andrew Thornton <art27@cantab.net>
* Update custom/conf/app.example.ini
Co-authored-by: Norwin <noerw@users.noreply.github.com>
Co-authored-by: Norwin <noerw@users.noreply.github.com>
Even with #17688 email addresses that contain an initial `-` may still be present in the db and it may in future still be possible to imagine a situation whereby initial `-` are repermitted.
This PR simply updates the documentation to warn users to set their SENDMAIL_ARGS with a terminal `--` to prevent this possibility email addresses being interpreted as options.
Signed-off-by: Andrew Thornton <art27@cantab.net>
The service worker causes a lot of issues with JS errors after instance
upgrades while not bringing any real performance gain over regular HTTP
caching.
Disable it by default for this reason. Maybe later we can remove it
completely, as I simply see no benefit in having it.
- Use a better and more curated list of Ciphers and KeyExchanges, these roughly follows OpenSSH's default.
- Remove some cryptography values which were deprecated.
* Switch to non-deprecation setting
(Avoid by-default: "Deprecated fallback `[server]` `LFS_CONTENT_PATH` present. Use `[lfs]` `PATH` instead. This fallback will be removed in v1.18.0")
* Update all references
Make router logger more friendly, show the related function name/file/line.
[BREAKING]
This PR substantially changes the logging format of the router logger. If you use this logging for monitoring e.g. fail2ban you will need to update this to match the new format.
Migrate from U2F to Webauthn
Co-authored-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
It appears that several versions of sendmail require that the mail is sent to them with
LF line endings instead of CRLF endings - which of course they will then convert back
to CRLF line endings to comply with the SMTP standard.
This PR adds another setting SENDMAIL_CONVERT_CRLF which will pass the message writer
through a filter. This will filter out and convert CRLFs to LFs before writing them
out to sendmail.
Fix #18024
Signed-off-by: Andrew Thornton <art27@cantab.net>
Save a bit of bandwidth by only requesting 3-times the rendered avatar
size. Factor 4 is only really beneficial on a handful of mobile phones
and I don't think they are the primary device we design for.
Configurability contributed by zeripath.
Fixes: https://github.com/go-gitea/gitea/pull/17422
Fixes: https://github.com/go-gitea/gitea/issues/16287
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
This PR adds another option to app.ini make co-committed-by and co-authored-by trailers
optional on a per server basis.
Fix #17194
Signed-off-by: Andrew Thornton <art27@cantab.net>
Use hostmacher to replace matchlist.
And we introduce a better DialContext to do a full host/IP check, otherwise the attackers can still bypass the allow/block list by a 302 redirection.
* Add settings to allow different SMTP envelope from address
Sometimes it may be advisable to hide or alias the from address on an SMTP mail
envelope. This PR adds two new options to the mailer to allow setting of an overriding
from address.
Fix #17477
Signed-off-by: Andrew Thornton <art27@cantab.net>
Convert the old mirror syncing queue to the more modern queue format.
Fix a bug in the from the repo-archive queue PR - the assumption was made that uniqueness could be enforced with by checking equality in a map in channel unique queues - however this only works for primitive types - which was the initial intention but is an imperfect. This is fixed by marshalling the data and placing the martialled data in the unique map instead.
The documentation is also updated to add information about the deprecated configuration values.
Signed-off-by: Andrew Thornton <art27@cantab.net>
core.protectNTFS protects NTFS from files which may be difficult to remove or interact
with using the win32 api, however, it also appears to prevent such files from
being entered into the git indexes - fundamentally causing breakages with PRs that
affect these files. However, deliberately setting this to false may cause security
issues due to the remain sparse checkout of files in the merge pipeline.
The only sensible option therefore is to provide an optional setting which admins
could set which would forcibly switch this off if they are affected by this issue.
Fix #17092
Signed-off-by: Andrew Thornton <art27@cantab.net>
Nodeinfo is a way to expose certain metadata about a server for use of discovery regarding functionality of its federation capabilities.
Two endpoints are required:
1. `/.well-known/nodeinfo` which informs client where it can find the location of the location of its metadata (including which version of the schema is used)
2. the endpoint which exposes the metadata in json format according to schema.
Notes:
* `openRegistrations` is a required field, but I propose to set to false as default in case someone writes a crawler to discover "open" gitea instances
* to limit data leakage I also propose to not include the `usage` field (note it is required so it should be included, but left as empty).
More info:
https://github.com/jhass/nodeinfohttps://github.com/jhass/nodeinfo/tree/main/schemas/2.1http://nodeinfo.diaspora.software/protocol.html
Add a new default theme `auto`, which will automatically switch between
`gitea` (light) and `arc-green` (dark) themes depending on the user's
operating system settings.
Closes: #8183
Rename`[repository]` `DISABLE_MIRRORS` to `[mirror]` `DISABLE_NEW_PULL` and add `ENABLED` and `DISABLE_NEW_PUSH` with the below meanings:
- `ENABLED`: **true**: Enables the mirror functionality. Set to **false** to disable all mirrors.
- `DISABLE_NEW_PULL`: **false**: Disable the creation of **new** mirrors. Pre-existing mirrors remain valid.
- `DISABLE_NEW_PUSH`: **false**: Disable the creation of **new** push mirrors. Pre-existing mirrors remain valid.
Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: delvh <dev.lh@web.de>
* Add proxy settings and support for migration and webhook
* Fix default value
* Add newline for example ini
* Add lfs proxy support
* Fix lint
* Follow @zeripath's review
* Fix git clone
* Fix test
* missgin http requests for proxy
* use empty
Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: zeripath <art27@cantab.net>
One of the issues holding back performance of the API is the problem of hashing.
Whilst banning BASIC authentication with passwords will help, the API Token scheme
still requires a PBKDF2 hash - which means that heavy API use (using Tokens) can
still cause enormous numbers of hash computations.
A slight solution to this whilst we consider moving to using JWT based tokens and/or
a session orientated solution is to simply cache the successful tokens. This has some
security issues but this should be balanced by the security issues of load from
hashing.
Related #14668
Signed-off-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
* Allow setting X-FRAME-OPTIONS
This PR provides a mechanism to set the X-FRAME-OPTIONS header.
Fix #7951
Signed-off-by: Andrew Thornton <art27@cantab.net>
* Update docs/content/doc/advanced/config-cheat-sheet.en-us.md
Co-authored-by: John Olheiser <john.olheiser@gmail.com>
Co-authored-by: John Olheiser <john.olheiser@gmail.com>
* add configuration option to restrict users by default
* default IsRestricted permission only set on sign up
setting this in the model messes with other workflows (e.g. syncing LDAP users) where the IsRestricted permission needs to be explicitly set and not overridden by a config value
* fix formatting
* Apply suggestions from code review
* ensure newly created user is set to restricted
* ensure imports are in the correct order
Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
The current default memory cache implementation is unbounded in size and number of
objects cached. This is hardly ideal.
This PR proposes creating a TwoQueue LRU cache as the underlying cache for Gitea.
The cache is limited by the number of objects stored in the cache (rather than size)
for simplicity. The default number of objects is 50000 - which is perhaps too small
as most of our objects cached are going to be much less than 1kB.
It may be worth considering using a different LRU implementation that actively limits
sizes or avoids GC - however, this is just a beginning implementation.
Signed-off-by: Andrew Thornton <art27@cantab.net>
Following the merging of https://github.com/go-git/go-git/pull/330 we
can now add a setting to avoid go-git reading and caching large objects.
Signed-off-by: Andrew Thornton <art27@cantab.net>
Now that #16069 is merged, some sites may wish to enforce that users are all public, limited or private, and/or disallow users from becoming private.
This PR adds functionality and settings to constrain a user's ability to change their visibility.
Co-authored-by: zeripath <art27@cantab.net>
You can limit or hide organisations. This pull make it also posible for users
- new strings to translte
- add checkbox to user profile form
- add checkbox to admin user.edit form
- filter explore page user search
- filter api admin and public user searches
- allow admins view "hidden" users
- add app option DEFAULT_USER_VISIBILITY
- rewrite many files to use Visibility field
- check for teams intersection
- fix context output
- right fake 404 if not visible
Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: Andrew Thornton <art27@cantab.net>
* Added support for gopher URLs.
* Add setting and make this user settable instead
Signed-off-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: Andrew Thornton <art27@cantab.net>
There are a couple of settings in `[indexer]` relating to the `issue_indexer` queue
which override settings in unpredictable ways. This PR adjusts this hierarchy and makes
explicit that these settings are deprecated.
Signed-off-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
* Set self-adjusting deadline for connection writing
In #16055 it appears that the simple 5s deadline doesn't work for large
file writes. Now we can't - or at least shouldn't just set no deadline
as go will happily let these connections block indefinitely. However,
what seems reasonable is to set some minimum rate we expect for writing.
This PR suggests the following algorithm:
* Every write has a minimum timeout of 5s (adjustable at compile time.)
* If there has been a previous write - then consider its previous
deadline, add half of the minimum timeout + 2s per kb about to written.
* If that new deadline is after the minimum timeout use that.
Fix #16055
* Linearly increase timeout
* Make PerWriteTimeout, PerWritePerKbTimeouts configurable
Signed-off-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: 6543 <6543@obermui.de>
* add a new internal hook to save ssh log
as title, when a ssh error ocure like #15785.
only when switch ``RUN_MODE`` to dev can we
found which error is ocure. But this way is
not a good idea for production envirment.
this changes try save ssh error mesage to the
log file like other log by a new internal hook.
I think it's usefull for find error message
in production envirment. Thanks.
Signed-off-by: a1012112796 <1012112796@qq.com>
* rename and fix nit
* Update modules/private/hook.go
Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: techknowlogick <matti@mdranta.net>
Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
This PR is an alternative to #15559.
Instead of deleting the app.example.ini - just comment out most of the
thing. This makes it clear what needs to be set and what is completely
optional - and keeps the documentation.
The app.example.ini is moved around to move the most important settings
higher in the document.
Close #15559
Signed-off-by: Andrew Thornton <art27@cantab.net>
* Refactored handleOAuth2SignIn in routers/user/auth.go
The function handleOAuth2SignIn was called twice but some code path could only
be reached by one of the invocations. Moved the unnecessary code path out of
handleOAuth2SignIn.
* Refactored user creation
There was common code to create a user and display the correct error message.
And after the creation the only user should be an admin and if enabled a
confirmation email should be sent. This common code is now abstracted into
two functions and a helper function to call both.
* Added auto-register for OAuth2 users
If enabled new OAuth2 users will be registered with their OAuth2 details.
The UserID, Name and Email fields from the gothUser are used.
Therefore the OpenID Connect provider needs additional scopes to return
the coresponding claims.
* Added error for missing fields in OAuth2 response
* Linking and auto linking on oauth2 registration
* Set default username source to nickname
* Add automatic oauth2 scopes for github and google
* Add hint to change the openid connect scopes if fields are missing
* Extend info about auto linking security risk
Co-authored-by: Viktor Kuzmin <kvaster@gmail.com>
Signed-off-by: Martin Michaelis <code@mgjm.de>
Implements request #14320 The rendering of CSV files does match the diff style.
* Moved CSV logic into base package.
* Added method to create a tabular diff.
* Added CSV compare context.
* Added CSV diff template.
* Use new table style in CSV markup.
* Added file size limit for CSV rendering.
* Display CSV parser errors in diff.
* Lazy read single file.
* Lazy read rows for full diff.
* Added unit tests for various CSV changes.
* Add reverse proxy configuration support for remote IP address validation
* Trust all IP addresses in containerized environments by default
* Use single option to specify networks and proxy IP addresses. By default trust all loopback IPs
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
* Make SSH server host key path configurable
* make it possible to have multiple keys
* Make gitea.rsa the default key
* Add some more logging
Signed-off-by: Andrew Thornton <art27@cantab.net>
Add SameSite setting for cookies and rationalise the cookie setting code. Switches SameSite to Lax by default.
There is a possible future extension of differentiating which cookies could be set at Strict by default but that is for a future PR.
Fix #5583
Signed-off-by: Andrew Thornton <art27@cantab.net>
Gitea allows to whitelist email domains so that only email addresses from certain domains are allowed to register an account, but does not currently allows to do the opposite: blacklisting email domains so that addresses from certain domains are *forbidden* to register an account.
The idea has been briefly mentioned in the discussion about issue #6350, but never implemented. This PR does that.
The rationale is that, in my experience of running a Gitea instance, *a single email domain* is responsible for *most* of the spam accounts, and for *all* of the spam accounts that manage to get past the email confirmation step. So on top of the other spam mitigation measures already available (email confirmation, CAPTCHA, etc.), having the option to block a particularly annoying domain would be helpful.
close #13628
* Added option to disable web hooks
This mod introduces DISABLE_WEB_HOOKS parameter in [security] section
of app.ini (by default set to false). If set to true it disables web
hooks feature. Any existing undelivered web hook tasks will be cancelled.
Any existing web hook definitions will be left untouched in db but
its delivery tasks will be ignored.
Author-Change-Id: IB#1105130
* Webhook spelling fixed
Webhook spelling fixed.
Fixes: 07df6614dc84cdd2e9f39c57577fa1062bd70012
Related: https://github.com/go-gitea/gitea/pull/13176#pullrequestreview-510868421
Author-Change-Id: IB#1105174
* Parameter description fixed
Parameter description fixed.
Fixes: 07df6614dc84cdd2e9f39c57577fa1062bd70012
Related: https://github.com/go-gitea/gitea/pull/13176#pullrequestreview-514086107
Author-Change-Id: IB#1105174
Close **Prune hook_task Table (#10741)**
Added a cron job to delete webhook deliveries in the hook_task table. It can be turned on/off and the schedule controlled globally via app.ini. The data can be deleted by either the age of the delivery which is the default or by deleting the all but the most recent deliveries _per webhook_.
Note: I had previously submitted pr #11416 but I closed it when I realized that I had deleted per repository instead of per webhook. Also, I decided allowing the settings to be overridden via the ui was overkill. Also this version allows the deletion by age which is probably what most people would want.
* refactor models.DeleteComment and delete related reactions too
* use deleteComment for UserDeleteWithCommentsMaxDays in DeleteUser
* nits
* Use time.Duration as other time settings have
* docs
* Resolve Fixme & fix potential deadlock
* Disabled by Default
* Update Config Value Description
* switch args
* Update models/issue_comment.go
Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: zeripath <art27@cantab.net>
* Add pager to the branches page
* override pageSize if bigger than max
* Make branches commit range configurable
Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: silverwind <me@silverwind.io>
* Implement ghost comment mitigation
Adds a config option USER_DELETE_WITH_COMMENTS_MAX_DAYS to the [service] section. See https://codeberg.org/Codeberg/Discussion/issues/24 for the underlying issue.
* cleanup
* use setting module correctly
* add to docs
Co-authored-by: Moritz Marquardt <git@momar.de>
* Change to display SVG files as images
* Remove unsafe styles from SVG CSP
* Add integration test to test SVG headers
* Add config setting to disable SVG rendering
* Add test for img tag when loading SVG image
* Remove the Raw view button for svg files since we don't fully support this
* Fix copyright year
* Rename and move config setting
* Add setting to cheat sheet in docs
* Fix so that comment matches cheat sheet
* Add allowing styles in CSP based on pull request feedback
* Re-enable raw button since we show SVG styles now
* Change so that SVG files are editable
* Add UI to toggle between source and rendered image for SVGs
* Change to show blame button for SVG images
* Fix to update ctx data
* Add test for DetectContentType when file is longer than sniffLen
Co-authored-by: Jonathan Tran <jon@allspice.io>
Co-authored-by: Kyle D <kdumontnu@gmail.com>
* Added option to disable migrations
This patch introduces DISABLE_MIGRATIONS parameter in [repository]
section of app.ini (by default set to false). If set to true
it blocks access to repository migration feature.
This mod hides also local repo import option in user editor if
local repo importing or migrations is disabled.
* Alter Example config
DISABLE_MIGRATIONS set to false in example config to
match its default value.
* HTTP error 403 instead of 500 on denied access to migration
* Parameter DISABLE_MIGRATIONS exposed via API
Fixes: 04b04cf854bcb3ed7659442bcf79822bdebe29e9
Author-Change-Id: IB#1105130
* Add register manual confirm settings option
The new settings option is used when manually approving new
registrations.
* Enable manual confirmation of new registered user
When manual registration confirmation is desired (by default `false`)
create new user in the database that is *not active*. The user must then
be activated manually.
This change speeds up the process of adding new confirmed users for
Gitea instances without external auth mechanism. (Currently the option
is to manually create new user by admin.)
* Update docs/content/doc/advanced/config-cheat-sheet.zh-cn.md
Co-authored-by: a1012112796 <1012112796@qq.com>
Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: a1012112796 <1012112796@qq.com>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
* Store repository data in data path if not previously set
* update docs
* Update docs/content/doc/advanced/config-cheat-sheet.en-us.md
Co-authored-by: silverwind <me@silverwind.io>
* update docs
Co-authored-by: silverwind <me@silverwind.io>
I think it's a bad default to have "dev" as the default run mode which
enables debugging and now also disables HTTP caching. It's better to
just default to a value suitable for general deployments.
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
* add black list and white list support for migrating repositories
* fix fmt
* fix lint
* fix vendor
* fix modules.txt
* clean diff
* specify log message
* use blocklist/allowlist
* allways use lowercase to match url
* Apply allow/block
* Settings: use existing "migrations" section
* convert domains lower case
* dont store unused value
* Block private addresses for migration by default
* fix lint
* use proposed-upstream func to detect private IP addr
* a nit
* add own error for blocked migration, add tests, imprufe api
* fix test
* fix-if-localhost-is-ipv4
* rename error & error message
* rename setting options
* Apply suggestions from code review
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
This enabled HTTP time-based cache for storage assets, primarily
avatars. I have not observed If-Modified-Since from browsers during
tests but I guess it's good to support regardless.
It introduces a new generic httpcache module that can handle both
time-based and etag-based caching.
Additionally, manifest.json and robots.txt are now also cachable.
* Clarify app.example.ini documentation
Hard to understand if cron i needed to activate all other cron.
* Added missing "Extended cron tasks" to config-cheat-sheet.en-us.md
cron default is false - setting it true activates all cron. Changed the documentation accordingly
* Fixed spelling
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
* Add ssh certificate support
* Add ssh certificate support to builtin ssh
* Write trusted-user-ca-keys.pem based on configuration
* Update app.example.ini
* Update templates/user/settings/keys_principal.tmpl
Co-authored-by: silverwind <me@silverwind.io>
* Remove unused locale string
* Update options/locale/locale_en-US.ini
Co-authored-by: silverwind <me@silverwind.io>
* Update options/locale/locale_en-US.ini
Co-authored-by: silverwind <me@silverwind.io>
* Update models/ssh_key.go
Co-authored-by: silverwind <me@silverwind.io>
* Add missing creation of SSH.Rootpath
* Update cheatsheet, example and locale strings
* Update models/ssh_key.go
Co-authored-by: zeripath <art27@cantab.net>
* Update models/ssh_key.go
Co-authored-by: zeripath <art27@cantab.net>
* Update models/ssh_key.go
Co-authored-by: zeripath <art27@cantab.net>
* Update models/ssh_key.go
Co-authored-by: zeripath <art27@cantab.net>
* Update models/ssh_key.go
* Optimizations based on feedback
* Validate CA keys for external sshd
* Add filename option and change default filename
Add a SSH_TRUSTED_USER_CA_KEYS_FILENAME option which default is
RUN_USER/.ssh/gitea-trusted-user-ca-keys.pem
Do not write a file when SSH_TRUSTED_USER_CA_KEYS is empty.
Add some more documentation.
* Remove unneeded principalkey functions
* Add blank line
* Apply suggestions from code review
Co-authored-by: zeripath <art27@cantab.net>
* Add SSH_AUTHORIZED_PRINCIPALS_ALLOW option
This adds a SSH_AUTHORIZED_PRINCIPALS_ALLOW which is default
email,username this means that users only can add the principals
that match their email or username.
To allow anything the admin need to set the option anything.
This allows for a safe default in gitea which protects against malicious
users using other user's prinicipals. (before that user could set it).
This commit also has some small other fixes from the last code review.
* Rewrite principal keys file on user deletion
* Use correct rewrite method
* Set correct AuthorizedPrincipalsBackup default setting
* Rewrite principalsfile when adding principals
* Add update authorized_principals option to admin dashboard
* Handle non-primary emails
Signed-off-by: Andrew Thornton <art27@cantab.net>
* Add the command actually to the dashboard template
* Update models/ssh_key.go
Co-authored-by: silverwind <me@silverwind.io>
* By default do not show principal options unless there are CA keys set or they are explicitly set
Signed-off-by: Andrew Thornton <art27@cantab.net>
* allow settings when enabled
* Fix typos in TrustedUserCAKeys path
* Allow every CASignatureAlgorithms algorithm
As this depends on the content of TrustedUserCAKeys we should allow all
signature algorithms as admins can choose the specific algorithm on their
signing CA
* Update models/ssh_key.go
Co-authored-by: Lauris BH <lauris@nix.lv>
* Fix linting issue
Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: techknowlogick <matti@mdranta.net>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
* Disable DSA ssh keys by default
OpenSSH has disabled DSA keys since version 7.0
As the docker runs openssh > v7.0 we should just disable
DSA keys by default.
Refers to #11417
Signed-off-by: Andrew Thornton <art27@cantab.net>
* Just disable DSA keys by default
Signed-off-by: Andrew Thornton <art27@cantab.net>
* Appears we need to set the minimum key sizes too
Signed-off-by: Andrew Thornton <art27@cantab.net>
* Appears we need to set the minimum key sizes too
Signed-off-by: Andrew Thornton <art27@cantab.net>
* Remove DSA type
* Fix Tests
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
Co-authored-by: Lauris BH <lauris@nix.lv>
* Extend git hook warning in the UI.
Git hooks are a dangerous feature, administrators should be warned before giving
the git hook privilege to users.
* Disable Git hooks by default and add warning.
Git hooks are a dangerous features (see warning text) that should only
be enabled if the administrator was informed about the risk involved.
Co-authored-by: Niklas Goerke <goerke@fzi.de>
