feat: add self-update flags using the shared updater

Author: root-Manas

README.md

@@ -42,6 +42,14 @@ SimpleHTTPserver requires **go1.17+** to install successfully. Run the following
 go install -v github.com/projectdiscovery/simplehttpserver/cmd/simplehttpserver@latest
 ```
 
+To update an installed binary to the latest release, run:
+
+```sh
+simplehttpserver -update
+```
+
+The `-up` alias is also supported. The update command exits when finished without starting a server.
+
 # Usage
 
 ```sh
@@ -70,6 +78,7 @@ This will display help for the tool. Here are all the switches it supports.
 | `-basic-auth`    | Basic auth (username:password)                          | `simplehttpserver -basic-auth user:password`       |
 | `-realm`         | Basic auth message                                      | `simplehttpserver -realm "insert the credentials"` |
 | `-version`       | Show version                                            | `simplehttpserver -version`                        |
+| `-up`, `-update` | Update to the latest release                             | `simplehttpserver -update`                         |
 | `-silent`        | Show only results                                       | `simplehttpserver -silent`                         |
 | `-py`            | Emulate Python Style                                    | `simplehttpserver -py`                             |
 | `-header`        | HTTP response header (can be used multiple times)       | `simplehttpserver -header 'X-Powered-By: Go'`      |

go.mod

@@ -8,42 +8,69 @@ require (
 	github.com/projectdiscovery/goflags v0.1.76
 	github.com/projectdiscovery/gologger v1.1.72
 	github.com/projectdiscovery/sslcert v0.0.0-20210416140253-8f56bec1bb5e
+	github.com/projectdiscovery/utils v0.11.1
 	gopkg.in/yaml.v2 v2.4.0
 )
 
 require (
+	aead.dev/minisign v0.2.0 // indirect
+	github.com/Masterminds/semver/v3 v3.2.1 // indirect
+	github.com/VividCortex/ewma v1.2.0 // indirect
+	github.com/alecthomas/chroma/v2 v2.14.0 // indirect
 	github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2 // indirect
+	github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
 	github.com/aymerick/douceur v0.2.0 // indirect
+	github.com/charmbracelet/glamour v0.8.0 // indirect
+	github.com/charmbracelet/lipgloss v0.13.0 // indirect
+	github.com/charmbracelet/x/ansi v0.3.2 // indirect
+	github.com/cheggaaa/pb/v3 v3.1.4 // indirect
 	github.com/cnf/structhash v0.0.0-20250313080605-df4c6cc74a9a // indirect
 	github.com/djherbis/times v1.6.0 // indirect
+	github.com/dlclark/regexp2 v1.11.5 // indirect
 	github.com/ebitengine/purego v0.10.0 // indirect
+	github.com/fatih/color v1.15.0 // indirect
 	github.com/go-ole/go-ole v1.2.6 // indirect
+	github.com/google/go-github/v30 v30.1.0 // indirect
+	github.com/google/go-querystring v1.1.0 // indirect
 	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 // indirect
+	github.com/google/uuid v1.3.1 // indirect
 	github.com/gorilla/css v1.0.1 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/kr/pretty v0.1.0 // indirect
 	github.com/logrusorgru/aurora/v4 v4.0.0 // indirect
+	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
 	github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mattn/go-runewidth v0.0.16 // indirect
 	github.com/microcosm-cc/bluemonday v1.0.27 // indirect
 	github.com/miekg/dns v1.1.72 // indirect
+	github.com/minio/selfupdate v0.6.1-0.20230907112617-f11e74f84ca7 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/muesli/reflow v0.3.0 // indirect
+	github.com/muesli/termenv v0.15.3-0.20240618155329-98d742f6907a // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55 // indirect
 	github.com/projectdiscovery/blackrock v0.0.1 // indirect
-	github.com/projectdiscovery/utils v0.11.1 // indirect
+	github.com/projectdiscovery/machineid v0.0.0-20250715113114-c77eb3567582 // indirect
+	github.com/rivo/uniseg v0.4.7 // indirect
 	github.com/saintfish/chardet v0.0.0-20230101081208-5e3ef4b5456d // indirect
 	github.com/shirou/gopsutil/v4 v4.26.3 // indirect
 	github.com/tidwall/gjson v1.18.0 // indirect
 	github.com/tidwall/match v1.2.0 // indirect
 	github.com/tidwall/pretty v1.2.1 // indirect
 	github.com/tklauser/go-sysconf v0.3.16 // indirect
 	github.com/tklauser/numcpus v0.11.0 // indirect
+	github.com/yuin/goldmark v1.7.4 // indirect
+	github.com/yuin/goldmark-emoji v1.0.3 // indirect
 	github.com/yusufpapurcu/wmi v1.2.4 // indirect
+	github.com/zcalusic/sysinfo v1.0.2 // indirect
+	golang.org/x/crypto v0.51.0 // indirect
 	golang.org/x/exp v0.0.0-20260112195511-716be5621a96 // indirect
 	golang.org/x/mod v0.35.0 // indirect
 	golang.org/x/net v0.55.0 // indirect
+	golang.org/x/oauth2 v0.27.0 // indirect
 	golang.org/x/sync v0.20.0 // indirect
 	golang.org/x/sys v0.45.0 // indirect
 	golang.org/x/term v0.43.0 // indirect