feat,test: add plugin

Signed-off-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

.github/workflows/build.yml

@@ -15,18 +15,23 @@ jobs:
     - uses: actions/checkout@v4
 
     - name: Set up Go
-      uses: actions/setup-go@v4
+      uses: actions/setup-go@v5
       with:
-        go-version: 1.19
+        go-version: 1.21
 
+    - name: Test
+      run: |
+        go get ./...
+        go test -v ./...
+    
     - name: Build
       run: |
         go get ./...
-        go build -trimpath -buildmode=plugin -o plugin.so -v ./...
+        go build -trimpath -buildmode=plugin -o dnf.so -v ./...
 
     - name: Upload an artifact
       uses: actions/upload-artifact@v3
       with:
-        Name: Vib plugin
-        path: ./plugin.so
+        name: Vib plugin
+        path: ./dnf.so
 

plugin.go

@@ -1,55 +1,33 @@
+// Copyright 2023 - 2023, axtlos <axtlos@disroot.org>
+// Copyright 2023 - present, K.B.Dharun Krishna <mail@kbdharun.dev>
+// SPDX-License-Identifier: GPL-3.0-ONLY
+
 package main
 
 import (
 	"fmt"
+	"strings"
+
 	"github.com/mitchellh/mapstructure"
 	"github.com/vanilla-os/vib/api"
 )
 
-type ExampleModule struct {
-	// Mandatory values, your plugin will not work if these are not present!
+type DnfModule struct {
 	Name string `json:"name"`
 	Type string `json:"type"`
 
-	// Additional values such as Source can be added here
-	Source api.Source
+	ExtraFlags []string
+	Packages   []string
 }
 
-// Plugins can define extra functions that are used internally
-// Vib will never call any function other than BuildModule
-func fetchSources(source api.Source, name string, recipe *api.Recipe) error {
-	// The plugin api offers functions to download sources
-	// To be able to use them, the use of api.Source for
-	// source definition is recommended
-	// Using these functions to fetch sources is not required
-	// but highly recommended to ensure sources are always in the right directory
-	err := api.DownloadSource(recipe.DownloadsPath, source, name)
-	if err != nil {
-		return err
-	}
-	err = api.MoveSource(recipe.DownloadsPath, recipe.SourcesPath, source, name)
-	return err
-}
-
-// This is the entry point for plugins that vib calls
-// The arguments are required to be (interface{}, recipe) => (string, error)
-func BuildModule(moduleInterface interface{}, recipe *api.Recipe) (string, error) {
-	// It is advisable to convert the interface to an actual struct
-	// The use of mapstructure for this is recommended, but not required
-	var module ExampleModule
+func BuildModule(moduleInterface interface{}, _ *api.Recipe) (string, error) {
+	var module DnfModule
 	err := mapstructure.Decode(moduleInterface, &module)
 	if err != nil {
 		return "", err
 	}
-	err = fetchSources(module.Source, module.Name, recipe)
-	if err != nil {
-		return "", err
-	}
 
-	// The sources will be made available at /sources/ during build
-	// if the plugins requires manually downloaded sources, they will
-	// be available in /sources/<modulename>
-	cmd := fmt.Sprintf("cd /sources/%s && cp * /etc/%s", module.Name, module.Name)
+	cmd := fmt.Sprintf("dnf install -y %s %s", strings.Join(module.ExtraFlags, " "), strings.Join(module.Packages, " "))
 
 	return cmd, nil
 }

plugin_test.go

@@ -0,0 +1,41 @@
+// Copyright 2023 - 2023, axtlos <axtlos@disroot.org>
+// Copyright 2023 - present, K.B.Dharun Krishna <mail@kbdharun.dev>
+// SPDX-License-Identifier: GPL-3.0-ONLY
+
+// Copyright 2023 - 2023, axtlos <axtlos@disroot.org>
+// SPDX-License-Identifier: GPL-3.0-ONLY
+
+package main
+
+import (
+	"testing"
+
+	"github.com/vanilla-os/vib/api"
+)
+
+type testModule struct {
+	Name       string
+	Type       string
+	ExtraFlags []string
+	Packages   []string
+}
+
+type testCases struct {
+	module   interface{}
+	expected string
+}
+
+var test = []testCases{
+	{testModule{"Single Package, Single Flag", "dnf", []string{"--verbose"}, []string{"bash"}}, "dnf install -y --verbose bash"},
+	{testModule{"Single Package, No Flag", "dnf", []string{""}, []string{"bash"}}, "dnf install -y bash"},
+	{testModule{"Multiple Packages, No Flag", "dnf", []string{""}, []string{"bash", "fish"}}, "dnf install -y bash fish"},
+	{testModule{"Multiple Packages, Multiple Flags", "dnf", []string{"--verbose", "-y"}, []string{"bash", "fish"}}, "dnf install -y --verbose bash fish"},
+}
+
+func TestBuildModule(t *testing.T) {
+	for _, testCase := range test {
+		if output, _ := BuildModule(testCase.module, &api.Recipe{}); output != testCase.expected {
+			t.Errorf("Output %q not equivalent to expected %q", output, testCase.expected)
+		}
+	}
+}