fix: avoid blocking the installation script with an automatic update prompt (#246)

Author: srtaalej

internal/update/update.go

@@ -223,7 +223,7 @@ func (u *UpdateNotification) isCI() bool {
 
 // isIgnoredCommand returns true when the process is in the list of commands.
 func (u *UpdateNotification) isIgnoredCommand() bool {
-	ignoredCommands := []string{"version"}
+	ignoredCommands := []string{"_fingerprint", "version"}
 	osStr := os.Args[0:]
 	if len(osStr) < 2 {
 		return false

internal/update/update_test.go

@@ -16,6 +16,7 @@ package update
 
 import (
 	"context"
+	"os"
 	"testing"
 
 	"github.com/slackapi/slack-cli/internal/config"
@@ -109,3 +110,39 @@ func Test_Update_HasUpdate(t *testing.T) {
 		})
 	}
 }
+
+func Test_Update_isIgnoredCommand(t *testing.T) {
+	for name, tt := range map[string]struct {
+		command  string
+		expected bool
+	}{
+		"No command": {
+			command:  "",
+			expected: false,
+		},
+		"fingerprint command": {
+			command:  "_fingerprint",
+			expected: true,
+		},
+		"version command": {
+			command:  "version",
+			expected: true,
+		},
+		"auth command": {
+			command:  "auth",
+			expected: false,
+		},
+	} {
+		t.Run(name, func(t *testing.T) {
+			if tt.command != "" {
+				os.Args = []string{"placeholder", tt.command}
+			} else {
+				os.Args = []string{"placeholder"}
+			}
+			// Test
+			updateNotification := &UpdateNotification{}
+			actual := updateNotification.isIgnoredCommand()
+			require.Equal(t, tt.expected, actual)
+		})
+	}
+}