fix(deps): update module github.com/alecthomas/kong to v1 (#397)

dumpmd.go

@@ -237,8 +237,15 @@ func (cmd cliDumper) dumpFlag(flag *kong.Flag) {
 
 	// long flag
 	cmd.print("`--")
-	if flag.IsBool() && flag.Tag.Negatable {
-		cmd.print("[no-]")
+	if flag.IsBool() && flag.Tag.Negatable != "" {
+		// Value is "_" for "--no-<flag>",
+		// and anything else for "--<neg>".
+		if flag.Tag.Negatable == "_" {
+			cmd.print("[no-]")
+		} else {
+			// Don't need this yet, so don't bother.
+			panic("not yet implemented")
+		}
 	}
 	cmd.print(name)
 	// =value

go.mod

@@ -3,7 +3,7 @@ module go.abhg.dev/gs
 go 1.23
 
 require (
-	github.com/alecthomas/kong v0.9.0
+	github.com/alecthomas/kong v1.2.1
 	github.com/buildkite/shellwords v0.0.0-20180315110454-59467a9b8e10
 	github.com/charmbracelet/bubbles v0.20.0
 	github.com/charmbracelet/bubbletea v1.1.1

go.sum

@@ -1,7 +1,7 @@
-github.com/alecthomas/assert/v2 v2.6.0 h1:o3WJwILtexrEUk3cUVal3oiQY2tfgr/FHWiz/v2n4FU=
-github.com/alecthomas/assert/v2 v2.6.0/go.mod h1:Bze95FyfUr7x34QZrjL+XP+0qgp/zg8yS+TtBj1WA3k=
-github.com/alecthomas/kong v0.9.0 h1:G5diXxc85KvoV2f0ZRVuMsi45IrBgx9zDNGNj165aPA=
-github.com/alecthomas/kong v0.9.0/go.mod h1:Y47y5gKfHp1hDc7CH7OeXgLIpp+Q2m1Ni0L5s3bI8Os=
+github.com/alecthomas/assert/v2 v2.10.0 h1:jjRCHsj6hBJhkmhznrCzoNpbA3zqy0fYiUcYZP/GkPY=
+github.com/alecthomas/assert/v2 v2.10.0/go.mod h1:Bze95FyfUr7x34QZrjL+XP+0qgp/zg8yS+TtBj1WA3k=
+github.com/alecthomas/kong v1.2.1 h1:E8jH4Tsgv6wCRX2nGrdPyHDUCSG83WH2qE4XLACD33Q=
+github.com/alecthomas/kong v1.2.1/go.mod h1:rKTSFhbdp3Ryefn8x5MOEprnRFQ7nlmMC01GKhehhBM=
 github.com/alecthomas/repr v0.4.0 h1:GhI2A8MACjfegCPVq9f1FLvIBS+DrQ2KQBFZP1iFzXc=
 github.com/alecthomas/repr v0.4.0/go.mod h1:Fr0507jx4eOXV7AlPV6AVZLYrLIuIeSOWtW57eE/O/4=
 github.com/alessio/shellescape v1.4.1 h1:V7yhSDDn8LP4lc4jS8pFkt0zCnzVJlG5JXy9BVKJUX0=

internal/komplete/komplete.go

@@ -529,8 +529,8 @@ func (k *kongPredictor) matchFlag(flags []*kong.Flag, scan *kong.Scanner, arg st
 			matched = "-"+string(flag.Short) == arg
 		}
 
-		if !matched && flag.Tag.Negatable {
-			matched = "--no-"+flag.Name == arg
+		if negFlag := negatableFlagName(flag); !matched && negFlag != "" {
+			matched = negFlag == arg
 		}
 
 		if !matched {
@@ -632,8 +632,8 @@ func (p *flagsPredictor) Predict(cargs Args) (predictions []string) {
 		}
 
 		predictions = append(predictions, "--"+flag.Name)
-		if flag.Tag.Negatable {
-			predictions = append(predictions, "--no-"+flag.Name)
+		if negFlag := negatableFlagName(flag); negFlag != "" {
+			predictions = append(predictions, negFlag)
 		}
 
 		// Include aliases only if the user has typed a prefix.
@@ -664,3 +664,16 @@ func (p *prefixPredictor) Predict(cargs Args) (predictions []string) {
 	}
 	return newPredictions
 }
+
+func negatableFlagName(f *kong.Flag) string {
+	// Kong uses "_" as a placeholder for "--no-<flag>".
+	// Any other value means the flag is "--<negation>".
+	switch f.Tag.Negatable {
+	case "":
+		return ""
+	case "_":
+		return "--no-" + f.Name
+	default:
+		return "--" + f.Tag.Negatable
+	}
+}

internal/komplete/komplete_test.go

@@ -282,6 +282,44 @@ func TestKongPredictor(t *testing.T) {
 				},
 			},
 		},
+		{
+			name: "negation/default",
+			grammar: &struct {
+				Spicy bool `negatable:""` // --spicy, --no-spicy
+			}{},
+			cases: []completeCase{
+				{
+					want: []string{"--help", "--spicy", "--no-spicy"},
+				},
+				{
+					give: compLine("--s"),
+					want: []string{"--spicy"},
+				},
+				{
+					give: compLine("--n"),
+					want: []string{"--no-spicy"},
+				},
+			},
+		},
+		{
+			name: "negation/custom",
+			grammar: &struct {
+				Spicy bool `negatable:"mild"` // --spicy, --mild
+			}{},
+			cases: []completeCase{
+				{
+					want: []string{"--help", "--spicy", "--mild"},
+				},
+				{
+					give: compLine("--s"),
+					want: []string{"--spicy"},
+				},
+				{
+					give: compLine("--m"),
+					want: []string{"--mild"},
+				},
+			},
+		},
 	}
 
 	for _, tt := range tests {