# HG changeset patch
# User Guido Berhoerster <guido+sievemgr@berhoerster.name>
# Date 1604737707 -3600
# Node ID 2130614cd64a31299cb8432c235ace51f5fdaacf
# Parent  4dff4c3f0fbb35ac1d890cf1ccd6cd9b9dadaf41
Add checkspace subcommand for querying the server for sufficient space

diff -r 4dff4c3f0fbb -r 2130614cd64a cmd/sievemgr/checkspace.go
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cmd/sievemgr/checkspace.go	Sat Nov 07 09:28:27 2020 +0100
@@ -0,0 +1,89 @@
+// Copyright (C) 2020 Guido Berhoerster <guido+sievemgr@berhoerster.name>
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+package main
+
+import (
+	"fmt"
+	"io"
+	"io/ioutil"
+	"os"
+)
+
+func init() {
+	cmdCheckSpace.Flag.StringVar(&acctName, "a", "", "Select the account")
+}
+
+var cmdCheckSpace = &command{
+	UsageLine: "checkspace [options] name [file]",
+	Run:       runCheckSpace,
+}
+
+func runCheckSpace(cmd *command, args []string) error {
+	var err error
+	acct, err := getAccount(&conf, acctName)
+	if err != nil {
+		return err
+	}
+
+	var scriptName string
+	var scriptSize int64
+	switch len(args) {
+	case 2: // name and filename
+		scriptName = args[0]
+		info, err := os.Stat(args[1])
+		if err != nil {
+			return fmt.Errorf("failed to stat script file: %s\n", err)
+		}
+		scriptSize = info.Size()
+	case 1: // only name
+		scriptName = args[0]
+		scriptSize, err = io.Copy(ioutil.Discard, os.Stdin)
+		if err != nil {
+			return fmt.Errorf("failed to read script: %s\n",
+				err)
+		}
+	default:
+		return usageError("invalid number of arguments")
+	}
+
+	if err := lookupHostPort(acct); err != nil {
+		return err
+	}
+
+	if err := readPassword(acct); err != nil {
+		return err
+	}
+
+	c, err := dialPlainAuth(acct)
+	if err != nil {
+		return err
+	}
+	defer c.Logout()
+
+	if ok, err := c.HaveSpace(scriptName, scriptSize); err != nil {
+		return err
+	} else if !ok {
+		return errTooBig
+	}
+
+	return nil
+}
diff -r 4dff4c3f0fbb -r 2130614cd64a cmd/sievemgr/main.go
--- a/cmd/sievemgr/main.go	Tue Nov 03 23:44:45 2020 +0100
+++ b/cmd/sievemgr/main.go	Sat Nov 07 09:28:27 2020 +0100
@@ -68,6 +68,7 @@
 	cmdDelete,
 	cmdInfo,
 	cmdCheck,
+	cmdCheckSpace,
 }
 
 func usage() {