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build: modernize Go usage

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This commit modernizes Go usage. This was done with:

go run golang.org/x/tools/gopls/internal/analysis/modernize/cmd/modernize@latest -fix -test ./...

Then files needed to be `go fmt`ed and a few comments needed to be
restored.

The modernizations include replacing

- if/else conditional assignment by a call to the built-in min or max functions added in go1.21
- sort.Slice(x, func(i, j int) bool) { return s[i] < s[j] } by a call to slices.Sort(s), added in go1.21
- interface{} by the 'any' type added in go1.18
- append([]T(nil), s...) by slices.Clone(s) or slices.Concat(s), added in go1.21
- loop around an m[k]=v map update by a call to one of the Collect, Copy, Clone, or Insert functions from the maps package, added in go1.21
- []byte(fmt.Sprintf...) by fmt.Appendf(nil, ...), added in go1.19
- append(s[:i], s[i+1]...) by slices.Delete(s, i, i+1), added in go1.21
- a 3-clause for i := 0; i < n; i++ {} loop by for i := range n {}, added in go1.22
This commit is contained in:
Nick Craig-Wood
2025-02-26 21:08:12 +00:00
parent 431386085f
commit 401cf81034
206 changed files with 755 additions and 953 deletions
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16
backend/swift/swift.go
View File

@ -8,8 +8,10 @@ import (
"errors"
"fmt"
"io"
"maps"
"path"
"regexp"
"slices"
"strconv"
"strings"
"sync"
@ -417,10 +419,8 @@ func shouldRetry(ctx context.Context, err error) (bool, error) {
}
// If this is a swift.Error object extract the HTTP error code
if swiftError, ok := err.(*swift.Error); ok {
for _, e := range retryErrorCodes {
if swiftError.StatusCode == e {
return true, err
}
if slices.Contains(retryErrorCodes, swiftError.StatusCode) {
return true, err
}
}
// Check for generic failure conditions
@ -701,7 +701,7 @@ func (f *Fs) listContainerRoot(ctx context.Context, container, directory, prefix
if !recurse {
opts.Delimiter = '/'
}
return f.c.ObjectsWalk(ctx, container, &opts, func(ctx context.Context, opts *swift.ObjectsOpts) (interface{}, error) {
return f.c.ObjectsWalk(ctx, container, &opts, func(ctx context.Context, opts *swift.ObjectsOpts) (any, error) {
var objects []swift.Object
var err error
err = f.pacer.Call(func() (bool, error) {
@ -1378,9 +1378,7 @@ func (o *Object) SetModTime(ctx context.Context, modTime time.Time) error {
meta := o.headers.ObjectMetadata()
meta.SetModTime(modTime)
newHeaders := meta.ObjectHeaders()
for k, v := range newHeaders {
o.headers[k] = v
}
maps.Copy(o.headers, newHeaders)
// Include any other metadata from request
for k, v := range o.headers {
if strings.HasPrefix(k, "X-Object-") {
@ -1450,7 +1448,7 @@ func (o *Object) removeSegmentsLargeObject(ctx context.Context, container string
// encoded but we need '&' encoded.
func urlEncode(str string) string {
var buf bytes.Buffer
for i := 0; i < len(str); i++ {
for i := range len(str) {
c := str[i]
if (c >= '0' && c <= '9') || (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '/' || c == '.' || c == '_' || c == '-' {
_ = buf.WriteByte(c)