716fcfcf72
A lot of our code is repeatedly testing if individual errors are specific types of Not Exist errors. This is repetitative and unnecesary. `Unwrap() error` provides a common way of labelling an error as a NotExist error and we can/should use this. This PR has chosen to use the common `io/fs` errors e.g. `fs.ErrNotExist` for our errors. This is in some ways not completely correct as these are not filesystem errors but it seems like a reasonable thing to do and would allow us to simplify a lot of our code to `errors.Is(err, fs.ErrNotExist)` instead of `package.IsErr...NotExist(err)` I am open to suggestions to use a different base error - perhaps `models/db.ErrNotExist` if that would be felt to be better. Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: delvh <dev.lh@web.de>
188 lines
4.4 KiB
Go
188 lines
4.4 KiB
Go
// Copyright 2015 The Gogs Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package git
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import (
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"fmt"
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"strings"
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"time"
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"code.gitea.io/gitea/modules/util"
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)
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// ErrExecTimeout error when exec timed out
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type ErrExecTimeout struct {
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Duration time.Duration
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}
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// IsErrExecTimeout if some error is ErrExecTimeout
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func IsErrExecTimeout(err error) bool {
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_, ok := err.(ErrExecTimeout)
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return ok
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}
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func (err ErrExecTimeout) Error() string {
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return fmt.Sprintf("execution is timeout [duration: %v]", err.Duration)
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}
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// ErrNotExist commit not exist error
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type ErrNotExist struct {
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ID string
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RelPath string
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}
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// IsErrNotExist if some error is ErrNotExist
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func IsErrNotExist(err error) bool {
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_, ok := err.(ErrNotExist)
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return ok
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}
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func (err ErrNotExist) Error() string {
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return fmt.Sprintf("object does not exist [id: %s, rel_path: %s]", err.ID, err.RelPath)
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}
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func (err ErrNotExist) Unwrap() error {
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return util.ErrNotExist
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}
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// ErrBadLink entry.FollowLink error
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type ErrBadLink struct {
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Name string
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Message string
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}
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func (err ErrBadLink) Error() string {
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return fmt.Sprintf("%s: %s", err.Name, err.Message)
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}
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// IsErrBadLink if some error is ErrBadLink
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func IsErrBadLink(err error) bool {
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_, ok := err.(ErrBadLink)
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return ok
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}
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// ErrUnsupportedVersion error when required git version not matched
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type ErrUnsupportedVersion struct {
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Required string
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}
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// IsErrUnsupportedVersion if some error is ErrUnsupportedVersion
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func IsErrUnsupportedVersion(err error) bool {
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_, ok := err.(ErrUnsupportedVersion)
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return ok
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}
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func (err ErrUnsupportedVersion) Error() string {
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return fmt.Sprintf("Operation requires higher version [required: %s]", err.Required)
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}
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// ErrBranchNotExist represents a "BranchNotExist" kind of error.
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type ErrBranchNotExist struct {
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Name string
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}
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// IsErrBranchNotExist checks if an error is a ErrBranchNotExist.
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func IsErrBranchNotExist(err error) bool {
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_, ok := err.(ErrBranchNotExist)
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return ok
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}
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func (err ErrBranchNotExist) Error() string {
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return fmt.Sprintf("branch does not exist [name: %s]", err.Name)
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}
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func (err ErrBranchNotExist) Unwrap() error {
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return util.ErrNotExist
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}
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// ErrPushOutOfDate represents an error if merging fails due to unrelated histories
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type ErrPushOutOfDate struct {
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StdOut string
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StdErr string
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Err error
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}
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// IsErrPushOutOfDate checks if an error is a ErrPushOutOfDate.
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func IsErrPushOutOfDate(err error) bool {
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_, ok := err.(*ErrPushOutOfDate)
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return ok
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}
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func (err *ErrPushOutOfDate) Error() string {
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return fmt.Sprintf("PushOutOfDate Error: %v: %s\n%s", err.Err, err.StdErr, err.StdOut)
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}
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// Unwrap unwraps the underlying error
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func (err *ErrPushOutOfDate) Unwrap() error {
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return fmt.Errorf("%v - %s", err.Err, err.StdErr)
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}
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// ErrPushRejected represents an error if merging fails due to rejection from a hook
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type ErrPushRejected struct {
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Message string
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StdOut string
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StdErr string
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Err error
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}
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// IsErrPushRejected checks if an error is a ErrPushRejected.
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func IsErrPushRejected(err error) bool {
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_, ok := err.(*ErrPushRejected)
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return ok
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}
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func (err *ErrPushRejected) Error() string {
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return fmt.Sprintf("PushRejected Error: %v: %s\n%s", err.Err, err.StdErr, err.StdOut)
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}
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// Unwrap unwraps the underlying error
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func (err *ErrPushRejected) Unwrap() error {
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return fmt.Errorf("%v - %s", err.Err, err.StdErr)
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}
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// GenerateMessage generates the remote message from the stderr
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func (err *ErrPushRejected) GenerateMessage() {
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messageBuilder := &strings.Builder{}
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i := strings.Index(err.StdErr, "remote: ")
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if i < 0 {
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err.Message = ""
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return
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}
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for {
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if len(err.StdErr) <= i+8 {
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break
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}
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if err.StdErr[i:i+8] != "remote: " {
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break
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}
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i += 8
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nl := strings.IndexByte(err.StdErr[i:], '\n')
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if nl >= 0 {
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messageBuilder.WriteString(err.StdErr[i : i+nl+1])
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i = i + nl + 1
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} else {
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messageBuilder.WriteString(err.StdErr[i:])
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i = len(err.StdErr)
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}
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}
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err.Message = strings.TrimSpace(messageBuilder.String())
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}
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// ErrMoreThanOne represents an error if pull request fails when there are more than one sources (branch, tag) with the same name
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type ErrMoreThanOne struct {
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StdOut string
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StdErr string
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Err error
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}
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// IsErrMoreThanOne checks if an error is a ErrMoreThanOne
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func IsErrMoreThanOne(err error) bool {
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_, ok := err.(*ErrMoreThanOne)
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return ok
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}
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func (err *ErrMoreThanOne) Error() string {
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return fmt.Sprintf("ErrMoreThanOne Error: %v: %s\n%s", err.Err, err.StdErr, err.StdOut)
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}
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