added repocli

pkg/repocli/delman.go

@@ -0,0 +1,38 @@
+package repocli
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+)
+
+func (cli *Client) DeleteManifest(ctx context.Context, rawrepo, tag string) (bool, error) {
+	var err error
+	var exist bool
+
+	ref, err := NewRepository(rawrepo)
+	if err != nil {
+		return exist, err
+	}
+	uri := ref.Manifest(tag)
+	req, err := http.NewRequestWithContext(ctx, http.MethodDelete, uri, nil)
+	if err != nil {
+		return exist, err
+	}
+	req.Header.Set("User-Agent", cli.userAgent)
+	req.Header.Set("Accept", "*/*")
+	resp, err := cli.httpClient.Do(req)
+	if err != nil {
+		return exist, err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode == http.StatusNotFound {
+		return exist, err
+	}
+	if resp.StatusCode != http.StatusOK {
+		err := fmt.Errorf("Unxected response code %s", resp.Status)
+		return exist, err
+	}
+	exist = true
+	return exist, err
+}