desktop: allow this client to be identified via user-agent

Previously the HTTP requests were sent with a generic Go-http-client
user-agent which made it hard to determine where the requests are
coming from. It's important that we can find clients so that they
can be updated if APIs change in future.

Signed-off-by: David Scott <dave@recoil.org>

internal/desktop/client.go

@@ -27,11 +27,15 @@ import (
 	"net/http"
 	"strings"
 
+	"github.com/docker/compose/v2/internal"
 	"github.com/docker/compose/v2/internal/memnet"
 	"github.com/r3labs/sse"
 	"go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp"
 )
 
+// identify this client in the logs
+var userAgent = "compose/" + internal.Version
+
 // Client for integration with Docker Desktop features.
 type Client struct {
 	apiEndpoint string
@@ -76,6 +80,7 @@ func (c *Client) Ping(ctx context.Context) (*PingResponse, error) {
 	if err != nil {
 		return nil, err
 	}
+	req.Header.Set("User-Agent", userAgent)
 	resp, err := c.client.Do(req)
 	if err != nil {
 		return nil, err
@@ -105,6 +110,7 @@ func (c *Client) FeatureFlags(ctx context.Context) (FeatureFlagResponse, error)
 	if err != nil {
 		return nil, err
 	}
+	req.Header.Set("User-Agent", userAgent)
 	resp, err := c.client.Do(req)
 	if err != nil {
 		return nil, err
@@ -135,6 +141,7 @@ func (c *Client) GetFileSharesConfig(ctx context.Context) (*GetFileSharesConfigR
 	if err != nil {
 		return nil, err
 	}
+	req.Header.Set("User-Agent", userAgent)
 	resp, err := c.client.Do(req)
 	if err != nil {
 		return nil, err
@@ -170,6 +177,7 @@ func (c *Client) CreateFileShare(ctx context.Context, r CreateFileShareRequest)
 		return nil, err
 	}
 	req.Header.Set("Content-Type", "application/json")
+	req.Header.Set("User-Agent", userAgent)
 	resp, err := c.client.Do(req)
 	if err != nil {
 		return nil, err
@@ -212,6 +220,7 @@ func (c *Client) ListFileShares(ctx context.Context) ([]FileShareSession, error)
 	if err != nil {
 		return nil, err
 	}
+	req.Header.Set("User-Agent", userAgent)
 	resp, err := c.client.Do(req)
 	if err != nil {
 		return nil, err
@@ -236,6 +245,7 @@ func (c *Client) DeleteFileShare(ctx context.Context, id string) error {
 	if err != nil {
 		return err
 	}
+	req.Header.Set("User-Agent", userAgent)
 	resp, err := c.client.Do(req)
 	if err != nil {
 		return err
@@ -268,6 +278,7 @@ func (c *Client) StreamFileShares(ctx context.Context) (<-chan EventMessage[[]Fi
 	if err != nil {
 		return nil, err
 	}
+	req.Header.Set("User-Agent", userAgent)
 	resp, err := c.client.Do(req)
 	if err != nil {
 		return nil, err