fix: install sh

cmd/server/service.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"bufio"
 	"flag"
 	"fmt"
 	"io"
@@ -8,8 +9,11 @@ import (
 	"os/exec"
 	"path/filepath"
 	"strconv"
+	"strings"
 	"syscall"
 
+	"github.com/mattn/go-isatty"
+
 	"nadir/internal/auth"
 	"nadir/internal/config"
 )
@@ -137,6 +141,125 @@ func installService(args []string) error {
 	isUnsecure := *unsecureOpt || optCount == 0
 	isTrustProxy := *trustProxyOpt
 
+	cfgPath, err := resolveConfigPath()
+	if err != nil {
+		return err
+	}
+
+	shouldWriteConfig := false
+	if _, err := os.Stat(cfgPath); os.IsNotExist(err) {
+		shouldWriteConfig = true
+	}
+
+	username := getUsername()
+	var logFiles map[string][]string
+
+	if fs.NFlag() == 0 && (isatty.IsTerminal(os.Stdin.Fd()) || isatty.IsCygwinTerminal(os.Stdin.Fd())) {
+		reader := bufio.NewReader(os.Stdin)
+
+		if !shouldWriteConfig {
+			fmt.Printf("Configuration file already exists at %s. Overwrite? [y/N] (default n): ", cfgPath)
+			overwriteInput, _ := reader.ReadString('\n')
+			overwriteInput = strings.ToLower(strings.TrimSpace(overwriteInput))
+			if overwriteInput != "y" && overwriteInput != "yes" {
+				fmt.Println("Keeping existing configuration. Proceeding with installation...")
+				if existingCfg, loadErr := config.Load(cfgPath); loadErr == nil {
+					*hostnameOpt = existingCfg.Server.Hostname
+					if p, err := strconv.Atoi(existingCfg.Server.Port); err == nil {
+						*portOpt = p
+					}
+					isTLS = existingCfg.Server.TLSCert != "" && existingCfg.Server.TLSKey != ""
+					isTrustProxy = existingCfg.Server.TrustProxy
+					isUnsecure = !isTLS && !isTrustProxy
+				}
+				goto skipConfigPrompt
+			}
+			shouldWriteConfig = true
+		}
+
+		fmt.Println("Configuring Nadir installation:")
+		fmt.Println("  1) Serve plaintext HTTP directly (unsecure) [default]")
+		fmt.Println("  2) Generate persistent self-signed TLS cert/key and enable HTTPS (tls)")
+		fmt.Println("  3) Serve plaintext HTTP behind a trusted TLS-terminating reverse proxy (trust-proxy)")
+		fmt.Print("Enter choice [1-3] (default 1): ")
+		choice, _ := reader.ReadString('\n')
+		choice = strings.TrimSpace(choice)
+		if choice == "" || choice == "1" {
+			isUnsecure = true
+			isTLS = false
+			isTrustProxy = false
+		} else if choice == "2" {
+			isTLS = true
+			isUnsecure = false
+			isTrustProxy = false
+		} else if choice == "3" {
+			isTrustProxy = true
+			isTLS = false
+			isUnsecure = false
+		} else {
+			return fmt.Errorf("invalid choice: %q", choice)
+		}
+
+		fmt.Printf("Enter hostname to bind to (default %s): ", *hostnameOpt)
+		hostChoice, _ := reader.ReadString('\n')
+		hostChoice = strings.TrimSpace(hostChoice)
+		if hostChoice != "" {
+			*hostnameOpt = hostChoice
+		}
+
+		fmt.Printf("Enter port to bind to (default %d): ", *portOpt)
+		portChoice, _ := reader.ReadString('\n')
+		portChoice = strings.TrimSpace(portChoice)
+		if portChoice != "" {
+			p, err := strconv.Atoi(portChoice)
+			if err != nil || p <= 0 || p > 65535 {
+				return fmt.Errorf("invalid port: %q", portChoice)
+			}
+			*portOpt = p
+		}
+
+		fmt.Printf("Enter main admin username (default %s): ", username)
+		userChoice, _ := reader.ReadString('\n')
+		userChoice = strings.TrimSpace(userChoice)
+		if userChoice != "" {
+			username = userChoice
+		}
+
+		fmt.Print("Would you like to expose any log files to the Nadir UI? [y/N] (default n): ")
+		logInput, _ := reader.ReadString('\n')
+		logInput = strings.ToLower(strings.TrimSpace(logInput))
+		if logInput == "y" || logInput == "yes" {
+			logFiles = make(map[string][]string)
+			for {
+				fmt.Print("  Enter service/unit name (e.g. nginx): ")
+				unit, _ := reader.ReadString('\n')
+				unit = strings.TrimSpace(unit)
+				if unit == "" {
+					fmt.Println("  Service name cannot be empty. Skipping.")
+					continue
+				}
+
+				fmt.Printf("  Enter absolute path to log file for %s: ", unit)
+				path, _ := reader.ReadString('\n')
+				path = strings.TrimSpace(path)
+				if path == "" {
+					fmt.Println("  Path cannot be empty. Skipping.")
+					continue
+				}
+
+				logFiles[unit] = append(logFiles[unit], path)
+
+				fmt.Print("  Add another log file? [y/N] (default n): ")
+				another, _ := reader.ReadString('\n')
+				another = strings.ToLower(strings.TrimSpace(another))
+				if another != "y" && another != "yes" {
+					break
+				}
+			}
+		}
+	}
+
+skipConfigPrompt:
 	// Provision the PAM service the server authenticates against, so it exists
 	// before the unit starts rather than appearing on first login. Idempotent:
 	// EnsurePAMService leaves an existing /etc/pam.d/nadir untouched. runServer
@@ -181,11 +304,6 @@ func installService(args []string) error {
 		}
 	}
 
-	cfgPath, err := resolveConfigPath()
-	if err != nil {
-		return err
-	}
-
 	// Construct configuration template content based on installation options
 	secureTLSVal := "true"
 	trustProxyLine := "# trust_proxy: false"
@@ -204,11 +322,21 @@ func installService(args []string) error {
 		keyLine = "# tls_key:  /var/lib/nadir/tls/key.pem"
 	}
 
-	username := getUsername()
 	configContent := fmt.Sprintf(configTemplateBase, secureTLSVal, trustProxyLine, certLine, keyLine, *hostnameOpt, *portOpt, username)
+	if len(logFiles) > 0 {
+		var logFilesSection strings.Builder
+		logFilesSection.WriteString("\nlog_files:\n")
+		for unit, paths := range logFiles {
+			logFilesSection.WriteString(fmt.Sprintf("  %s:\n", unit))
+			for _, path := range paths {
+				logFilesSection.WriteString(fmt.Sprintf("    - %s\n", path))
+			}
+		}
+		configContent += logFilesSection.String()
+	}
 
-	// Ensure default config file exists
-	if _, err := os.Stat(cfgPath); os.IsNotExist(err) {
+	// Ensure default config file exists or we explicitly overwrote it
+	if shouldWriteConfig {
 		if err := saveDefaultConfig(cfgPath, configContent); err != nil {
 			return err
 		}

go.mod

@@ -16,7 +16,7 @@ require (
 	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/jedisct1/go-minisign v0.0.0-20260527172527-a09352b57a22
-	github.com/mattn/go-isatty v0.0.21 // indirect
+	github.com/mattn/go-isatty v0.0.21
 	github.com/ncruces/go-strftime v1.0.0 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
 	golang.org/x/crypto v0.52.0 // indirect

install.sh.tmpl

@@ -99,7 +99,11 @@ do_install() {
 
   echo "binary installed at /usr/local/bin/nadir"
   echo "installing as a systemd service ..."
-  /usr/local/bin/nadir install
+  if [ -c /dev/tty ]; then
+    /usr/local/bin/nadir install < /dev/tty
+  else
+    /usr/local/bin/nadir install
+  fi
 
   echo
   echo "done. check status with: nadir status"