add build version, Makefile & install instructions

INSTALL.md

@@ -0,0 +1,68 @@
+# Install YetAnotherToDoList
+
+## Install via `go install`
+
+> ⚠️ no commit & version information provided
+
+```bash
+go install somepi.ddns.net/gitea/gilex-dev/YetAnotherToDoList@latest
+```
+
+...or specify the installation location by adding `GOBIN=<installation directory>`
+
+## Install from git repository
+
+Requirements:
+
+- go 1.20
+- git
+- GNU make
+
+```bash
+git clone https://somepi.ddns.net/gitea/gilex-dev/YetAnotherToDoList.git
+cd YetAnotherToDoList
+go mod tidy # optional
+make build
+```
+
+To customize your build, you can run `make` with these environment Variables (on the same line):
+
+```
+INSTALL_DIR=<installation directory>
+BUILD_FLAGS=<go build flags>
+RUN_FLAGS=<cli arguments for YetAnotherToDoList>
+```
+
+## Install from pre-build binary
+
+There are currently no pre-build binaries available
+
+## Add shell completion
+
+YetAnotherToDoList must be in your `PATH` for this to work.
+
+### Bash
+
+```bash
+source <(YetAnotherToDoList completion bash)
+```
+
+For other shells or more info, see `YetAnotherToDoList help completion <bash|zsh|fish|powershell>`
+
+## Uninstall
+
+Run `make uninstall` or
+
+```bash
+rm $HOME/.local/bin/YetAnotherToDoList # replace with your installation path
+```
+
+> Don't forget to delete the `.log`, `.yaml` and `.sqlite3` files if you don't need them any more.
+
+### Remove shell completion
+
+#### Bash
+
+```bash
+complete -r YetAnotherToDoList
+```

Makefile

@@ -0,0 +1,71 @@
+# YetAnotherToDoList
+# Copyright © 2023 gilex-dev gilex-dev@proton.me
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, version 3.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+project:=YetAnotherToDoList
+goPackage:=somepi.ddns.net/gitea/gilex-dev/YetAnotherToDoList/globals
+
+INSTALL_DIR?=$$HOME/.local/bin
+BUILD_FLAGS?=
+RUN_FLAGS?=
+
+commitHash=$(shell git rev-parse --short HEAD)
+ifneq ($(shell git status --porcelain),)
+	# working directory not clean
+	commitHash:=$(commitHash)*
+endif
+
+latestTag:=$(shell git describe --abbrev=0 --tags 2> /dev/null)# suppress possible error
+
+ifeq ($(shell git tag --points-at HEAD),)
+	# current commit has no tag
+	ifeq ($(latestTag),)
+		# no previous tag exists
+		latestTag=unknown
+	else
+		# found a tag before HEAD
+		latestTag:=$(latestTag)*
+	endif
+endif
+
+.PHONY: all
+all: install
+
+.PHONY: build
+build:
+	go build $(BUILD_FLAGS) -ldflags="-X '$(goPackage).Version=$(latestTag)' -X '$(goPackage).CommitHash=$(commitHash)'" -o $(project) .
+
+.PHONY: run
+run:
+	go run $(BUILD_FLAGS) -ldflags="-X '$(goPackage).Version=$(latestTag)' -X '$(goPackage).CommitHash=$(commitHash)'" . $(RUN_FLAGS)
+
+$(project): build
+
+.PHONY: install
+install: $(project)
+	install $(project) $(INSTALL_DIR)
+	@echo -e "\nIf you want to add shell completion, see INSTALL.md"
+
+.PHONY: uninstall
+uninstall:
+	@-rm $(INSTALL_DIR)/$(project)
+
+.PHONY: info
+info:
+	$(info project=$(project))
+	$(info goPackage=$(goPackage))
+	$(info latestTag=$(latestTag))
+	$(info commitHash=$(commitHash))
+	$(info BUILD_FLAGS=$(BUILD_FLAGS))
+	$(info INSTALL_DIR=$(INSTALL_DIR))
+	@echo -e "\nSee INSTALL.md for usage"

cmd/root.go

@@ -26,6 +26,7 @@ import (
 
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
+	"somepi.ddns.net/gitea/gilex-dev/YetAnotherToDoList/globals"
 )
 
 var cfgFile string
@@ -34,7 +35,8 @@ var logger *log.Logger
 // rootCmd represents the base command when called without any subcommands
 var rootCmd = &cobra.Command{
 	Use:     "YetAnotherToDoList",
-	Short: "A simple To Do List Web Application with Go backend, Vue.js frontend and a GraphQL API",
+	Version: fmt.Sprintf("%s %s", globals.Version, globals.CommitHash),
+	Short:   "Simple To Do List Web Application with Vue.js frontend and GraphQL API",
 	Long: `YetAnotherToDoList 2023 by gilex-dev
 A simple To Do List Web Application with Go backend, Vue.js frontend and a GraphQL API
 `,
@@ -53,6 +55,17 @@ func Execute() {
 }
 
 func init() {
+	rootCmd.CompletionOptions.HiddenDefaultCmd = true
+	// check if first argument needs init (inspired by https://github.com/spf13/cobra/issues/823#issuecomment-617863653)
+	if len(os.Args) > 1 {
+		noSetupRequired := []string{"__complete", "__completeNoDesc", "completion", "help", licenseCmd.Name()}
+		for _, subcommand := range noSetupRequired {
+			if subcommand != os.Args[1] {
+				continue
+			}
+			return
+		}
+	}
 	cobra.OnInitialize(initConfig, initLog)
 
 	// Here you will define your flags and configuration settings.

cmd/server.go

@@ -16,7 +16,7 @@ import (
 var serverCmd = &cobra.Command{
 	Use:   "server",
 	Short: "Start the http server",
-	Long:  ``,
+	Long:  `Starts the http server for the graphql api`,
 	Run: func(cmd *cobra.Command, args []string) {
 
 		if err := viper.BindPFlag("debug", cmd.Flags().Lookup("debug")); err != nil {

globals/globals.go

@@ -0,0 +1,20 @@
+/*
+YetAnotherToDoList
+Copyright © 2023 gilex-dev gilex-dev@proton.me
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, version 3.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package globals
+
+var Version, CommitHash string = "unknown", "unknown"

server/main.go

@@ -17,12 +17,14 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
 package server
 
 import (
+	"fmt"
 	"log"
 	"net/http"
 	"strconv"
 
 	"github.com/99designs/gqlgen/graphql/handler"
 	"github.com/99designs/gqlgen/graphql/playground"
+	"somepi.ddns.net/gitea/gilex-dev/YetAnotherToDoList/globals"
 	"somepi.ddns.net/gitea/gilex-dev/YetAnotherToDoList/graph"
 )
 
@@ -30,6 +32,9 @@ func StartServer(logger *log.Logger, port int) {
 	srv := handler.NewDefaultServer(graph.NewExecutableSchema(graph.Config{Resolvers: &graph.Resolver{}}))
 
 	http.Handle("/", playground.Handler("GraphQL playground", "/api"))
+	http.HandleFunc("/version", func(w http.ResponseWriter, r *http.Request) {
+		fmt.Fprintf(w, "%s %s", globals.Version, globals.CommitHash)
+	})
 
 	http.Handle("/api", srv)
 	logger.Printf("connect to http://localhost:%v/ for GraphQL playground", port)