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wxiaoguang 2cdf260f42
Refactor path & config system (#25330)
# The problem

There were many "path tricks":

* By default, Gitea uses its program directory as its work path
* Gitea tries to use the "work path" to guess its "custom path" and
"custom conf (app.ini)"
* Users might want to use other directories as work path
* The non-default work path should be passed to Gitea by GITEA_WORK_DIR
or "--work-path"
* But some Gitea processes are started without these values
    * The "serv" process started by OpenSSH server
    * The CLI sub-commands started by site admin
* The paths are guessed by SetCustomPathAndConf again and again
* The default values of "work path / custom path / custom conf" can be
changed when compiling

# The solution

* Use `InitWorkPathAndCommonConfig` to handle these path tricks, and use
test code to cover its behaviors.
* When Gitea's web server runs, write the WORK_PATH to "app.ini", this
value must be the most correct one, because if this value is not right,
users would find that the web UI doesn't work and then they should be
able to fix it.
* Then all other sub-commands can use the WORK_PATH in app.ini to
initialize their paths.
* By the way, when Gitea starts for git protocol, it shouldn't output
any log, otherwise the git protocol gets broken and client blocks
forever.

The "work path" priority is: WORK_PATH in app.ini > cmd arg --work-path
> env var GITEA_WORK_DIR > builtin default

The "app.ini" searching order is: cmd arg --config > cmd arg "work path
/ custom path" > env var "work path / custom path" > builtin default


## ⚠️ BREAKING

If your instance's "work path / custom path / custom conf" doesn't meet
the requirements (eg: work path must be absolute), Gitea will report a
fatal error and exit. You need to set these values according to the
error log.



----

Close #24818
Close #24222
Close #21606
Close #21498
Close #25107
Close #24981
Maybe close #24503

Replace #23301
Replace #22754

And maybe more
1 year ago
..
admin Refactor path & config system (#25330) 1 year ago
auth Show OAuth2 errors to end users (#25261) 1 year ago
devtest Change form actions to fetch for submit review box (#25219) 1 year ago
events Implement FSFE REUSE for golang files (#21840) 2 years ago
explore Sort users and orgs on explore by recency by default (#24279) 1 year ago
feed Pass 'not' to commit count (#24473) 1 year ago
healthcheck Refactor `setting.Database.UseXXX` to methods (#23354) 1 year ago
misc Decouple the different contexts from each other (#24786) 1 year ago
org Refactor web package and context package (#25298) 1 year ago
repo Add actor and status dropdowns to run list (#25118) 1 year ago
shared Support configuration variables on Gitea Actions (#24724) 1 year ago
user Refactor web package and context package (#25298) 1 year ago
auth.go Implement FSFE REUSE for golang files (#21840) 2 years ago
auth_windows.go Implement FSFE REUSE for golang files (#21840) 2 years ago
base.go Fix all possible setting error related storages and added some tests (#23911) 1 year ago
goget.go Support SSH for go get (#24664) 1 year ago
home.go Refactor cookie (#24107) 1 year ago
metrics.go Implement FSFE REUSE for golang files (#21840) 2 years ago
nodeinfo.go Implement FSFE REUSE for golang files (#21840) 2 years ago
swagger_json.go Group template helper functions, remove `Printf`, improve template error messages (#23982) 1 year ago
web.go Support configuration variables on Gitea Actions (#24724) 1 year ago
webfinger.go Use User.ID instead of User.Name in ActivityPub API for Person IRI (#23823) 1 year ago