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archive/tar: make use of maps.Clone

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Change-Id: I2a9d849410002dae1f49a53597298c1903954d12
GitHub-Last-Rev: 20a56b4161
GitHub-Pull-Request: golang/go#69427
Reviewed-on: https://go-review.googlesource.com/c/go/+/612737
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Commit-Queue: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
This commit is contained in:
Jes Cok 2024-09-13 13:07:16 +00:00 committed by Gopher Robot
parent f243cf6016
commit bc7c35a6d3
1 changed files with 3 additions and 12 deletions
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15
src/archive/tar/common.go
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@ -15,6 +15,7 @@ import (
"fmt"
"internal/godebug"
"io/fs"
"maps"
"math"
"path"
"reflect"
@ -696,24 +697,14 @@ func FileInfoHeader(fi fs.FileInfo, link string) (*Header, error) {
h.Gname = sys.Gname
h.AccessTime = sys.AccessTime
h.ChangeTime = sys.ChangeTime
if sys.Xattrs != nil {
h.Xattrs = make(map[string]string)
for k, v := range sys.Xattrs {
h.Xattrs[k] = v
}
}
h.Xattrs = maps.Clone(sys.Xattrs)
if sys.Typeflag == TypeLink {
// hard link
h.Typeflag = TypeLink
h.Size = 0
h.Linkname = sys.Linkname
}
if sys.PAXRecords != nil {
h.PAXRecords = make(map[string]string)
for k, v := range sys.PAXRecords {
h.PAXRecords[k] = v
}
}
h.PAXRecords = maps.Clone(sys.PAXRecords)
}
var doNameLookups = true
if iface, ok := fi.(FileInfoNames); ok {