feat [close #111]: Add version key to recipe

Adds a version key to the recipe to ensure the passed recipe is supported by the vib version being used

.github/workflows/release.yml

@@ -28,6 +28,7 @@ jobs:
 
     - name: Build
       run: |
+        ./set_new_version ${{ github.ref_name }}
         go get ./...
         make build
 

api/structs.go

@@ -16,6 +16,7 @@ type Source struct {
 type Recipe struct {
 	Name          string
 	Id            string
+	Vibversion    string
 	Stages        []Stage
 	Path          string
 	ParentPath    string

cmd/root.go

@@ -10,18 +10,18 @@ import (
 	"github.com/spf13/cobra"
 )
 
-var Version = "0.7.4"
+var Version = "0.0.0"
 var IsRoot = false
 var OrigUID = 1000
 var OrigGID = 1000
 var OrigUser = "user"
 
 var rootCmd = &cobra.Command{
-	Use:     "vib",
-	Short:   "Vib is a tool to build container images from recipes using modules",
-	Long:    "Vib is a tool to build container images from YAML recipes using modules to define the steps to build the image.",
+	Use:          "vib",
+	Short:        "Vib is a tool to build container images from recipes using modules",
+	Long:         "Vib is a tool to build container images from YAML recipes using modules to define the steps to build the image.",
 	SilenceUsage: true,
-	Version: Version,
+	Version:      Version,
 }
 
 // Initialize the root command with build, test, and compile commands

core/loader.go

@@ -3,15 +3,19 @@ package core
 import (
 	"fmt"
 	"io"
+	"math"
 	"net/http"
 	"os"
 	"path/filepath"
+	"strconv"
 	"strings"
 
 	"github.com/vanilla-os/vib/api"
 	"gopkg.in/yaml.v3"
 )
 
+var Min_Recipe_Version = []uint8{1, 0, 0}
+
 // LoadRecipe loads a recipe from a file and returns a Recipe
 // Does not validate the recipe but it will catch some errors
 // a proper validation will be done in the future
@@ -44,6 +48,32 @@ func LoadRecipe(path string) (*api.Recipe, error) {
 		return nil, err
 	}
 
+	if len(strings.TrimSpace(recipe.Vibversion)) <= 0 {
+		return nil, fmt.Errorf("version key not found in recipe file, assuming outdated recipe")
+	}
+
+	recipeVersionS := strings.Split(recipe.Vibversion, ".")
+	if len(recipeVersionS) != 3 {
+		return nil, fmt.Errorf("invalid version format, expected x.x.x, got %s", recipe.Vibversion)
+	}
+
+	recipeVersion := []uint8{0, 0, 0}
+	for i := 0; i < len(recipeVersion); i++ {
+		versionInt, err := strconv.ParseUint(recipeVersionS[i], 10, 8)
+		if err != nil {
+			return nil, err
+		}
+		if versionInt > math.MaxUint8 {
+			recipeVersion[i] = math.MaxUint8
+		} else {
+			recipeVersion[i] = uint8(versionInt)
+		}
+	}
+
+	if recipeVersion[0] < Min_Recipe_Version[0] || recipeVersion[1] < Min_Recipe_Version[1] || recipeVersion[2] < Min_Recipe_Version[2] {
+		return nil, fmt.Errorf("outdated recipe, this version of vib supports recipes starting at version %s", strings.Join(strings.Fields(fmt.Sprint(Min_Recipe_Version)), "."))
+	}
+
 	// the recipe path is stored in the recipe itself
 	// for convenience
 	recipe.Path = recipePath

set_new_version.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+set -eu
+
+if [ $# -lt 1 ]; then
+    echo "usag: $0 <version>"
+    exit 1
+fi
+
+IFS='.' read -ra VERS <<< ${1##v}
+if [ ${#VERS[@]} -lt 3 ]; then
+    echo "invalid version number"
+    exit 2
+fi
+
+sed -i "s|var Version = \"0.0.0\"|var Version = \"${1##v}\"|g" cmd/root.go
+
+sed -i "s|0, 0, 0|${VERS[0]}, ${VERS[1]}, ${VERS[2]}|" core/loader.go
+