add git clone

pkg/plugins/provider/git.go

@@ -0,0 +1,79 @@
+package provider
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"os"
+	"os/exec"
+	"strings"
+
+	"git.front.kjuulh.io/kjuulh/char/pkg/schema"
+	"golang.org/x/sync/errgroup"
+)
+
+type GitPluginProvider struct{}
+
+func NewGitPluginProvider() *GitPluginProvider {
+	return &GitPluginProvider{}
+}
+
+func (gpp *GitPluginProvider) FetchPlugins(ctx context.Context, registry string, plugins schema.CharSchemaPlugins) error {
+	errgroup, ctx := errgroup.WithContext(ctx)
+	baseDir := ".char/plugins"
+	if os.Getenv("CHAR_DEV_MODE") == "true" {
+		if err := os.RemoveAll(baseDir); err != nil {
+			return err
+		}
+	}
+	if err := os.MkdirAll(baseDir, 0755); err != nil {
+		return err
+	}
+
+	for n, plugin := range plugins {
+		n, plugin := n, plugin
+		errgroup.Go(func() error {
+			log.Printf("fetching git plugin repo: %s", n)
+			return gpp.FetchPlugin(
+				ctx,
+				registry,
+				plugin,
+				fmt.Sprintf(
+					"%s/%s",
+					strings.TrimRight(baseDir, "/"), n.Hash(),
+				),
+			)
+		})
+	}
+
+	if err := errgroup.Wait(); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (gpp *GitPluginProvider) FetchPlugin(ctx context.Context, registry string, plugin *schema.CharSchemaPlugin, dest string) error {
+	cloneUrl, err := plugin.Opts.GetCloneUrl(ctx, registry, &schema.CloneUrlOpt{
+		Protocol: schema.GitProtocolSsh,
+		SshUser:  "git",
+	},
+	)
+	if err != nil {
+		return err
+	}
+
+	output, err := exec.Command(
+		"git",
+		"clone",
+		cloneUrl,
+		dest,
+	).CombinedOutput()
+	if len(output) > 0 {
+		log.Print(string(output))
+	}
+	if err != nil {
+		return err
+	}
+	return nil
+}