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Allow detect whether it's in a database transaction for a context.Context (#21756)

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Fix #19513

This PR introduce a new db method `InTransaction(context.Context)`,
and also builtin check on `db.TxContext` and `db.WithTx`.
There is also a new method `db.AutoTx` has been introduced but could be used by other PRs.

`WithTx` will always open a new transaction, if a transaction exist in context, return an error.
`AutoTx` will try to open a new transaction if no transaction exist in context.
That means it will always enter a transaction if there is no error.

Co-authored-by: delvh <dev.lh@web.de>
Co-authored-by: 6543 <6543@obermui.de>
This commit is contained in:
Lunny Xiao
2022-11-13 04:18:50 +08:00
committed by GitHub
parent a0a425a13b
commit 34283a74e8
91 changed files with 252 additions and 176 deletions
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4
services/pull/check.go
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@ -63,7 +63,7 @@ func AddToTaskQueue(pr *issues_model.PullRequest) {
// CheckPullMergable check if the pull mergable based on all conditions (branch protection, merge options, ...)
func CheckPullMergable(stdCtx context.Context, doer *user_model.User, perm *access_model.Permission, pr *issues_model.PullRequest, manuallMerge, force bool) error {
return db.WithTx(func(ctx context.Context) error {
return db.WithTx(stdCtx, func(ctx context.Context) error {
if pr.HasMerged {
return ErrHasMerged
}
@ -122,7 +122,7 @@ func CheckPullMergable(stdCtx context.Context, doer *user_model.User, perm *acce
}
return nil
}, stdCtx)
})
}
// isSignedIfRequired check if merge will be signed if required