refactor: use _ to discard fmt.Fprintf return value

Signed-off-by: yxxhero <aiopsclub@163.com>

Author: yxxhero

.golangci.yaml

@@ -51,8 +51,9 @@ run:
 
 # output configuration options
 output:
+  formats:
   # colored-line-number|line-number|json|tab|checkstyle|code-climate, default is "colored-line-number"
-  format: line-number
+  - format: line-number
 
   # print lines of code with issue, default is true
   print-issued-lines: true

diff/diff.go

@@ -363,14 +363,14 @@ func printDiffRecord(diff difflib.DiffRecord, to io.Writer) {
 
 	switch diff.Delta {
 	case difflib.RightOnly:
-		fmt.Fprintf(to, "%s\n", ansi.Color("+ "+text, "green"))
+		_, _ = fmt.Fprintf(to, "%s\n", ansi.Color("+ "+text, "green"))
 	case difflib.LeftOnly:
-		fmt.Fprintf(to, "%s\n", ansi.Color("- "+text, "red"))
+		_, _ = fmt.Fprintf(to, "%s\n", ansi.Color("- "+text, "red"))
 	case difflib.Common:
 		if text == "" {
 			fmt.Fprintln(to)
 		} else {
-			fmt.Fprintf(to, "%s\n", "  "+text)
+			_, _ = fmt.Fprintf(to, "%s\n", "  "+text)
 		}
 	}
 }

diff/report.go

@@ -148,7 +148,7 @@ func setupDiffReport(r *Report) {
 // print report for default output: diff
 func printDiffReport(r *Report, to io.Writer) {
 	for _, entry := range r.entries {
-		fmt.Fprintf(to, ansi.Color("%s %s", "yellow")+"\n", entry.key, r.format.changestyles[entry.changeType].message)
+		_, _ = fmt.Fprintf(to, ansi.Color("%s %s", "yellow")+"\n", entry.key, r.format.changestyles[entry.changeType].message)
 		printDiffRecords(entry.suppressedKinds, entry.kind, entry.context, entry.diffs, to)
 	}
 }
@@ -170,13 +170,13 @@ func printSimpleReport(r *Report, to io.Writer) {
 		"MODIFY": 0,
 	}
 	for _, entry := range r.entries {
-		fmt.Fprintf(to, ansi.Color("%s %s", r.format.changestyles[entry.changeType].color)+"\n",
+		_, _ = fmt.Fprintf(to, ansi.Color("%s %s", r.format.changestyles[entry.changeType].color)+"\n",
 			entry.key,
 			r.format.changestyles[entry.changeType].message,
 		)
 		summary[entry.changeType]++
 	}
-	fmt.Fprintf(to, "Plan: %d to add, %d to change, %d to destroy.\n", summary["ADD"], summary["MODIFY"], summary["REMOVE"])
+	_, _ = fmt.Fprintf(to, "Plan: %d to add, %d to change, %d to destroy.\n", summary["ADD"], summary["MODIFY"], summary["REMOVE"])
 }
 
 func newTemplate(name string) *template.Template {

main_test.go

@@ -90,7 +90,7 @@ func runFakeHelm() int {
 	}
 
 	if stub == nil {
-		fmt.Fprintf(os.Stderr, "no stub for %s\n", cmdAndArgs)
+		_, _ = fmt.Fprintf(os.Stderr, "no stub for %s\n", cmdAndArgs)
 		return 1
 	}
 
@@ -100,13 +100,13 @@ func runFakeHelm() int {
 	}
 	got := cmdAndArgs[len(stub.cmd):]
 	if !reflect.DeepEqual(want, got) {
-		fmt.Fprintf(os.Stderr, "want: %v\n", want)
-		fmt.Fprintf(os.Stderr, "got : %v\n", got)
-		fmt.Fprintf(os.Stderr, "args : %v\n", os.Args)
-		fmt.Fprintf(os.Stderr, "env : %v\n", os.Environ())
+		_, _ = fmt.Fprintf(os.Stderr, "want: %v\n", want)
+		_, _ = fmt.Fprintf(os.Stderr, "got : %v\n", got)
+		_, _ = fmt.Fprintf(os.Stderr, "args : %v\n", os.Args)
+		_, _ = fmt.Fprintf(os.Stderr, "env : %v\n", os.Environ())
 		return 1
 	}
-	fmt.Fprintf(os.Stdout, "%s", stub.stdout)
-	fmt.Fprintf(os.Stderr, "%s", stub.stderr)
+	_, _ = fmt.Fprintf(os.Stdout, "%s", stub.stdout)
+	_, _ = fmt.Fprintf(os.Stderr, "%s", stub.stderr)
 	return stub.exitCode
 }