1 files changed, 0 insertions, 217 deletions
diff --git a/vendor/github.com/minio/minio-go/v7/pkg/singleflight/singleflight.go b/vendor/github.com/minio/minio-go/v7/pkg/singleflight/singleflight.go
deleted file mode 100644
index 49260327f..000000000
--- a/vendor/github.com/minio/minio-go/v7/pkg/singleflight/singleflight.go
+++ /dev/null
@@ -1,217 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package singleflight provides a duplicate function call suppression
-// mechanism.
-// This is forked to provide type safety and have non-string keys.
-package singleflight
-
-import (
-	"bytes"
-	"errors"
-	"fmt"
-	"runtime"
-	"runtime/debug"
-	"sync"
-)
-
-// errGoexit indicates the runtime.Goexit was called in
-// the user given function.
-var errGoexit = errors.New("runtime.Goexit was called")
-
-// A panicError is an arbitrary value recovered from a panic
-// with the stack trace during the execution of given function.
-type panicError struct {
-	value interface{}
-	stack []byte
-}
-
-// Error implements error interface.
-func (p *panicError) Error() string {
-	return fmt.Sprintf("%v\n\n%s", p.value, p.stack)
-}
-
-func (p *panicError) Unwrap() error {
-	err, ok := p.value.(error)
-	if !ok {
-		return nil
-	}
-
-	return err
-}
-
-func newPanicError(v interface{}) error {
-	stack := debug.Stack()
-
-	// The first line of the stack trace is of the form "goroutine N [status]:"
-	// but by the time the panic reaches Do the goroutine may no longer exist
-	// and its status will have changed. Trim out the misleading line.
-	if line := bytes.IndexByte(stack, '\n'); line >= 0 {
-		stack = stack[line+1:]
-	}
-	return &panicError{value: v, stack: stack}
-}
-
-// call is an in-flight or completed singleflight.Do call
-type call[V any] struct {
-	wg sync.WaitGroup
-
-	// These fields are written once before the WaitGroup is done
-	// and are only read after the WaitGroup is done.
-	val V
-	err error
-
-	// These fields are read and written with the singleflight
-	// mutex held before the WaitGroup is done, and are read but
-	// not written after the WaitGroup is done.
-	dups  int
-	chans []chan<- Result[V]
-}
-
-// Group represents a class of work and forms a namespace in
-// which units of work can be executed with duplicate suppression.
-type Group[K comparable, V any] struct {
-	mu sync.Mutex     // protects m
-	m  map[K]*call[V] // lazily initialized
-}
-
-// Result holds the results of Do, so they can be passed
-// on a channel.
-type Result[V any] struct {
-	Val    V
-	Err    error
-	Shared bool
-}
-
-// Do executes and returns the results of the given function, making
-// sure that only one execution is in-flight for a given key at a
-// time. If a duplicate comes in, the duplicate caller waits for the
-// original to complete and receives the same results.
-// The return value shared indicates whether v was given to multiple callers.
-//
-//nolint:revive
-func (g *Group[K, V]) Do(key K, fn func() (V, error)) (v V, err error, shared bool) {
-	g.mu.Lock()
-	if g.m == nil {
-		g.m = make(map[K]*call[V])
-	}
-	if c, ok := g.m[key]; ok {
-		c.dups++
-		g.mu.Unlock()
-		c.wg.Wait()
-
-		if e, ok := c.err.(*panicError); ok {
-			panic(e)
-		} else if c.err == errGoexit {
-			runtime.Goexit()
-		}
-		return c.val, c.err, true
-	}
-	c := new(call[V])
-	c.wg.Add(1)
-	g.m[key] = c
-	g.mu.Unlock()
-
-	g.doCall(c, key, fn)
-	return c.val, c.err, c.dups > 0
-}
-
-// DoChan is like Do but returns a channel that will receive the
-// results when they are ready.
-//
-// The returned channel will not be closed.
-func (g *Group[K, V]) DoChan(key K, fn func() (V, error)) <-chan Result[V] {
-	ch := make(chan Result[V], 1)
-	g.mu.Lock()
-	if g.m == nil {
-		g.m = make(map[K]*call[V])
-	}
-	if c, ok := g.m[key]; ok {
-		c.dups++
-		c.chans = append(c.chans, ch)
-		g.mu.Unlock()
-		return ch
-	}
-	c := &call[V]{chans: []chan<- Result[V]{ch}}
-	c.wg.Add(1)
-	g.m[key] = c
-	g.mu.Unlock()
-
-	go g.doCall(c, key, fn)
-
-	return ch
-}
-
-// doCall handles the single call for a key.
-func (g *Group[K, V]) doCall(c *call[V], key K, fn func() (V, error)) {
-	normalReturn := false
-	recovered := false
-
-	// use double-defer to distinguish panic from runtime.Goexit,
-	// more details see https://golang.org/cl/134395
-	defer func() {
-		// the given function invoked runtime.Goexit
-		if !normalReturn && !recovered {
-			c.err = errGoexit
-		}
-
-		g.mu.Lock()
-		defer g.mu.Unlock()
-		c.wg.Done()
-		if g.m[key] == c {
-			delete(g.m, key)
-		}
-
-		if e, ok := c.err.(*panicError); ok {
-			// In order to prevent the waiting channels from being blocked forever,
-			// needs to ensure that this panic cannot be recovered.
-			if len(c.chans) > 0 {
-				go panic(e)
-				select {} // Keep this goroutine around so that it will appear in the crash dump.
-			} else {
-				panic(e)
-			}
-		} else if c.err == errGoexit {
-			// Already in the process of goexit, no need to call again
-		} else {
-			// Normal return
-			for _, ch := range c.chans {
-				ch <- Result[V]{c.val, c.err, c.dups > 0}
-			}
-		}
-	}()
-
-	func() {
-		defer func() {
-			if !normalReturn {
-				// Ideally, we would wait to take a stack trace until we've determined
-				// whether this is a panic or a runtime.Goexit.
-				//
-				// Unfortunately, the only way we can distinguish the two is to see
-				// whether the recover stopped the goroutine from terminating, and by
-				// the time we know that, the part of the stack trace relevant to the
-				// panic has been discarded.
-				if r := recover(); r != nil {
-					c.err = newPanicError(r)
-				}
-			}
-		}()
-
-		c.val, c.err = fn()
-		normalReturn = true
-	}()
-
-	if !normalReturn {
-		recovered = true
-	}
-}
-
-// Forget tells the singleflight to forget about a key.  Future calls
-// to Do for this key will call the function rather than waiting for
-// an earlier call to complete.
-func (g *Group[K, V]) Forget(key K) {
-	g.mu.Lock()
-	delete(g.m, key)
-	g.mu.Unlock()
-}