c_ISUID = 04000 // Set uid
	c_ISGID = 02000 // Set gid
	c_ISVTX = 01000 // Save text (sticky bit)

	// Common Unix mode constants; these are not defined in any common tar standard.
	// Header.FileInfo understands these, but FileInfoHeader will never produce these.
	c_ISDIR  = 040000  // Directory
	c_ISFIFO = 010000  // FIFO
	c_ISREG  = 0100000 // Regular file

Shinsuke Sugaya <******@****.***> 1703312328 +0900

Bo Zhang <******@****.***> 1727155280 +0800

Xiaopeng Han <******@****.***> 1686841337 +0800

TMP := $(shell mktemp -d -u)
UPDATE_BRANCH ?= "master"

BUILD_TOOLS_ORG ?= "istio"

update-common:
	@mkdir -p $(TMP)
	@git clone -q --depth 1 --single-branch --branch $(UPDATE_BRANCH) https://github.com/$(BUILD_TOOLS_ORG)/common-files $(TMP)/common-files
	@cd $(TMP)/common-files ; git rev-parse HEAD >files/common/.commonfiles.sha
	@rm -fr common
# istio/community has its own CONTRIBUTING.md file.

}

func buildServerCtxt(ctx *cli.Context, ctxt *serverCtxt) (err error) {
	// Get "json" flag from command line argument and
	ctxt.JSON = ctx.IsSet("json") || ctx.GlobalIsSet("json")
	// Get quiet flag from command line argument.
	ctxt.Quiet = ctx.IsSet("quiet") || ctx.GlobalIsSet("quiet")
	// Get anonymous flag from command line argument.
	ctxt.Anonymous = ctx.IsSet("anonymous") || ctx.GlobalIsSet("anonymous")
	// Fetch address option

Harshavardhana <******@****.***> 1723451895 -0700

jiuker <******@****.***> 1695056454 +0800

	latest := ""

	// Find the common cardinality from previously collected
	// occurrences of elements.
	for etag, count := range etagOccurrenceMap {
		if count < maxima {
			continue
		}

		// We are at or above maxima
		if count > maxima {
			maxima = count
			latest = etag
		}
	}

	// Return the collected common max time, with maxima
	return latest, maxima
}

	if objInfo.ModTime.IsZero() || objInfo.ModTime.Equal(time.Unix(0, 0)) {
		return false
	}

	// Headers to be set of object content is not going to be written to the client.
	writeHeaders := func() {
		// set common headers
		setCommonHeaders(w)

		// set object-related metadata headers
		w.Header().Set(xhttp.LastModified, objInfo.ModTime.UTC().Format(http.TimeFormat))

		if objInfo.ETag != "" {