Upgrade to Go 1.21 (#120)

cmd/root.go

@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"regexp"
+	"slices"
 	"sort"
 	"strconv"
 	"strings"
@@ -188,7 +189,7 @@ func extractMergedBranchNames(mergedNames []string) []string {
 func applyMerged(branches []shared.Branch, mergedNames []string) []shared.Branch {
 	results := []shared.Branch{}
 	for _, branch := range branches {
-		branch.IsMerged = nameExists(branch.Name, mergedNames)
+		branch.IsMerged = slices.Contains(mergedNames, branch.Name)
 		results = append(results, branch)
 	}
 	return results
@@ -669,15 +670,6 @@ func BranchNameExists(branchName string, branches []shared.Branch) bool {
 	return false
 }
 
-func nameExists(name string, names []string) bool {
-	for _, n := range names {
-		if n == name {
-			return true
-		}
-	}
-	return false
-}
-
 func SplitLines(text string) []string {
 	return strings.FieldsFunc(strings.Replace(text, "\r\n", "\n", -1),
 		func(c rune) bool { return c == '\n' })

go.mod

@@ -1,6 +1,6 @@
 module github.com/seachicken/gh-poi
 
-go 1.19
+go 1.21
 
 require (
 	github.com/briandowns/spinner v1.18.1

main.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"os"
 	"os/signal"
+	"slices"
 	"time"
 
 	"github.com/briandowns/spinner"
@@ -247,18 +248,9 @@ func getIssueNoColor(state shared.PullRequestState, isDraft bool) color.Attribut
 func getBranches(branches []shared.Branch, states []shared.BranchState) []shared.Branch {
 	results := []shared.Branch{}
 	for _, branch := range branches {
-		if contains(branch.State, states) {
+		if slices.Contains(states, branch.State) {
 			results = append(results, branch)
 		}
 	}
 	return results
 }
-
-func contains(state shared.BranchState, states []shared.BranchState) bool {
-	for _, s := range states {
-		if s == state {
-			return true
-		}
-	}
-	return false
-}

main_test.go

@@ -51,6 +51,11 @@ func onlyCI(t *testing.T) {
 }
 
 func captureOutput(f func()) string {
+	org := os.Stdout
+	defer func() {
+		os.Stdout = org
+	}()
+
 	r, w, _ := os.Pipe()
 	os.Stdout = w
 	color.Output = w