feat: add update command

.github/workflows/build.yaml

@@ -26,7 +26,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
-          go-version: '1.19'
+          go-version: '1.21'
           cache: true
 
       - name: Test
@@ -44,7 +44,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
-          go-version: '1.19'
+          go-version: '1.21'
           cache: true
 
       - name: Run GoReleaser build

Dockerfile

@@ -1,5 +1,5 @@
 # build app
-FROM golang:1.19-alpine3.16 AS app-builder
+FROM golang:1.21-alpine3.19 AS app-builder
 
 ARG VERSION=dev
 ARG REVISION=dev
@@ -34,7 +34,6 @@ VOLUME ["${CONFIG_DIR}"]
 # install packages
 RUN apk add --no-cache tzdata shadow bash curl wget jq grep sed coreutils findutils unzip p7zip ca-certificates
 
-
 COPY --from=app-builder /src/bin/omegabrr /usr/bin/
 
 # make folders

cmd/omegabrr/main.go

@@ -19,6 +19,8 @@ import (
 	"github.com/autobrr/omegabrr/internal/processor"
 	"github.com/autobrr/omegabrr/internal/scheduler"
 
+	"github.com/blang/semver"
+	"github.com/rhysd/go-github-selfupdate/selfupdate"
 	"github.com/rs/zerolog"
 	"github.com/rs/zerolog/log"
 	"github.com/rs/zerolog/pkgerrors"
@@ -41,6 +43,7 @@ Commands:
   run            Run omegabrr service on schedule
   generate-token Generate an API Token (optionally call with --length <number>)
   version        Print version info
+  update         Update omegabrr to latest version.
   help           Show this help message
 
 Flags:
@@ -128,6 +131,27 @@ func main() {
 		}
 		fmt.Printf("Latest release: %v\n", rel.TagName)
 
+	case "update":
+		v, err := semver.ParseTolerant(version)
+		if err != nil {
+			log.Error().Err(err).Msg("could not parse version")
+			return
+		}
+
+		latest, err := selfupdate.UpdateSelf(v, "autobrr/omegabrr")
+		if err != nil {
+			log.Error().Err(err).Msg("Binary update failed")
+			return
+		}
+
+		if latest.Version.Equals(v) {
+			// latest version is the same as current version. It means current binary is up-to-date.
+			log.Info().Msgf("Current binary is the latest version: %s", version)
+		} else {
+			log.Info().Msgf("Successfully updated to version: %s", latest.Version)
+		}
+		break
+
 	case "generate-token":
 		key, err := apitoken.GenerateToken(*length)
 		if err != nil {

go.mod

@@ -1,13 +1,15 @@
 module github.com/autobrr/omegabrr
 
-go 1.19
+go 1.21
 
 require (
+	github.com/blang/semver v3.5.1+incompatible
 	github.com/fatih/color v1.9.0
 	github.com/go-chi/chi/v5 v5.0.8
 	github.com/go-chi/render v1.0.2
 	github.com/knadh/koanf v1.5.0
 	github.com/pkg/errors v0.9.1
+	github.com/rhysd/go-github-selfupdate v1.2.3
 	github.com/robfig/cron/v3 v3.0.1
 	github.com/rs/zerolog v1.29.0
 	github.com/spf13/pflag v1.0.5
@@ -19,13 +21,23 @@ require (
 	github.com/ajg/form v1.5.1 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/fsnotify/fsnotify v1.7.0 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/google/go-github/v30 v30.1.0 // indirect
+	github.com/google/go-querystring v1.0.0 // indirect
+	github.com/inconshreveable/go-update v0.0.0-20160112193335-8152e7eb6ccf // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.17 // indirect
 	github.com/mitchellh/copystructure v1.2.0 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/mitchellh/reflectwalk v1.0.2 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/tcnksm/go-gitconfig v0.1.2 // indirect
+	github.com/ulikunitz/xz v0.5.9 // indirect
+	golang.org/x/crypto v0.15.0 // indirect
 	golang.org/x/net v0.18.0 // indirect
+	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d // indirect
 	golang.org/x/sys v0.14.0 // indirect
+	google.golang.org/appengine v1.4.0 // indirect
+	google.golang.org/protobuf v1.26.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )