init: pristine aerc 0.20.0 source

lib/ipc/send.go

@@ -0,0 +1,39 @@
+package ipc
+
+import (
+	"bufio"
+	"errors"
+	"fmt"
+	"net"
+
+	"git.sr.ht/~rjarry/aerc/lib/xdg"
+)
+
+func ConnectAndExec(args []string) (*Response, error) {
+	sockpath := xdg.RuntimePath("aerc.sock")
+	conn, err := net.Dial("unix", sockpath)
+	if err != nil {
+		return nil, err
+	}
+	defer conn.Close()
+
+	req, err := (&Request{Arguments: args}).Encode()
+	if err != nil {
+		return nil, fmt.Errorf("failed to encode request: %w", err)
+	}
+
+	_, err = conn.Write(append(req, '\n'))
+	if err != nil {
+		return nil, fmt.Errorf("failed to send message: %w", err)
+	}
+	scanner := bufio.NewScanner(conn)
+	if !scanner.Scan() {
+		return nil, errors.New("No response from server")
+	}
+	resp, err := DecodeResponse(scanner.Bytes())
+	if err != nil {
+		return nil, err
+	}
+
+	return resp, nil
+}