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gitea/models/appstate/appstate.go
wxiaoguang 83df0caf15
Sync gitea app path for git hooks and authorized keys when starting (#17335)
Gitea writes its own AppPath into git hook scripts. If Gitea's AppPath changes, then the git push will fail.

This PR:

* Introduce an AppState module, it can persist app states into database
* During GlobalInit, Gitea will check if the current AppPath is the same as last one. If they don't match, Gitea will sync git hooks.
* Refactor some code to make them more clear.
* Also, "Detect if gitea binary's name changed" #11341 is related, we call models.RewriteAllPublicKeys to update ssh authorized_keys file
2021-10-21 17:22:43 +08:00

58 lines
1.5 KiB
Go

// Copyright 2021 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package appstate
import (
"context"
"code.gitea.io/gitea/models/db"
)
// AppState represents a state record in database
// if one day we would make Gitea run as a cluster,
// we can introduce a new field `Scope` here to store different states for different nodes
type AppState struct {
ID string `xorm:"pk varchar(200)"`
Revision int64
Content string `xorm:"LONGTEXT"`
}
func init() {
db.RegisterModel(new(AppState))
}
// SaveAppStateContent saves the app state item to database
func SaveAppStateContent(key, content string) error {
return db.WithTx(func(ctx context.Context) error {
eng := db.GetEngine(ctx)
// try to update existing row
res, err := eng.Exec("UPDATE app_state SET revision=revision+1, content=? WHERE id=?", content, key)
if err != nil {
return err
}
rows, _ := res.RowsAffected()
if rows != 0 {
// the existing row is updated, so we can return
return nil
}
// if no existing row, insert a new row
_, err = eng.Insert(&AppState{ID: key, Content: content})
return err
})
}
// GetAppStateContent gets an app state from database
func GetAppStateContent(key string) (content string, err error) {
e := db.GetEngine(db.DefaultContext)
appState := &AppState{ID: key}
has, err := e.Get(appState)
if err != nil {
return "", err
} else if !has {
return "", nil
}
return appState.Content, nil
}