From e3b09211b82eb9e6effb290024e9efbebfff7a69 Mon Sep 17 00:00:00 2001
From: Florian Klink <flokli@flokli.de>
Date: Mon, 13 May 2024 21:13:10 +0200
Subject: [PATCH] lib/sd-activation: wrap coreos/go-systemd

It fails to build on plan9, which is part of the rclone CI matrix, and
the PR fixing it upstream doesn't seem to be getting traction.

Stub it on our side, we can still remove this once it gets merged.
---
 cmd/serve/sftp/server.go              |  2 +-
 lib/http/server.go                    |  2 +-
 lib/sdactivation/sdactivation_stub.go | 24 ++++++++++++++++++++++++
 lib/sdactivation/sdactivation_unix.go | 24 ++++++++++++++++++++++++
 4 files changed, 50 insertions(+), 2 deletions(-)
 create mode 100644 lib/sdactivation/sdactivation_stub.go
 create mode 100644 lib/sdactivation/sdactivation_unix.go

diff --git a/cmd/serve/sftp/server.go b/cmd/serve/sftp/server.go
index 0b89e03cc..843b3c640 100644
--- a/cmd/serve/sftp/server.go
+++ b/cmd/serve/sftp/server.go
@@ -21,13 +21,13 @@ import (
 	"path/filepath"
 	"strings"
 
-	sdActivation "github.com/coreos/go-systemd/v22/activation"
 	"github.com/rclone/rclone/cmd/serve/proxy"
 	"github.com/rclone/rclone/cmd/serve/proxy/proxyflags"
 	"github.com/rclone/rclone/fs"
 	"github.com/rclone/rclone/fs/config"
 	"github.com/rclone/rclone/lib/env"
 	"github.com/rclone/rclone/lib/file"
+	sdActivation "github.com/rclone/rclone/lib/sdactivation"
 	"github.com/rclone/rclone/vfs"
 	"github.com/rclone/rclone/vfs/vfscommon"
 	"golang.org/x/crypto/ssh"
diff --git a/lib/http/server.go b/lib/http/server.go
index 2b5270d98..acc07c4b2 100644
--- a/lib/http/server.go
+++ b/lib/http/server.go
@@ -17,11 +17,11 @@ import (
 	"sync"
 	"time"
 
-	sdActivation "github.com/coreos/go-systemd/v22/activation"
 	"github.com/go-chi/chi/v5"
 	"github.com/rclone/rclone/fs"
 	"github.com/rclone/rclone/fs/config/flags"
 	"github.com/rclone/rclone/lib/atexit"
+	sdActivation "github.com/rclone/rclone/lib/sdactivation"
 	"github.com/spf13/pflag"
 )
 
diff --git a/lib/sdactivation/sdactivation_stub.go b/lib/sdactivation/sdactivation_stub.go
new file mode 100644
index 000000000..e5fbff553
--- /dev/null
+++ b/lib/sdactivation/sdactivation_stub.go
@@ -0,0 +1,24 @@
+//go:build windows || plan9
+// +build windows plan9
+
+// Package sdactivation provides support for systemd socket activation,
+// wrapping the coreos/go-systemd package.
+// This wraps the underlying go-systemd binary, as it fails to build on plan9
+// https://github.com/coreos/go-systemd/pull/440
+package sdactivation
+
+import (
+	"net"
+)
+
+// ListenersWithNames maps a listener name to a set of net.Listener instances.
+// This wraps the underlying go-systemd binary, as it fails to build on plan9
+// https://github.com/coreos/go-systemd/pull/440
+func ListenersWithNames() (map[string][]net.Listener, error) {
+	return make(map[string][]net.Listener), nil
+}
+
+// Listeners returns a slice containing a net.Listener for each matching socket type passed to this process.
+func Listeners() ([]net.Listener, error) {
+	return nil, nil
+}
diff --git a/lib/sdactivation/sdactivation_unix.go b/lib/sdactivation/sdactivation_unix.go
new file mode 100644
index 000000000..523321bcf
--- /dev/null
+++ b/lib/sdactivation/sdactivation_unix.go
@@ -0,0 +1,24 @@
+//go:build !windows && !plan9
+// +build !windows,!plan9
+
+// Package sdactivation provides support for systemd socket activation, wrapping
+// the coreos/go-systemd package.
+// This wraps the underlying go-systemd library, as it fails to build on plan9
+// https://github.com/coreos/go-systemd/pull/440
+package sdactivation
+
+import (
+	"net"
+
+	sdActivation "github.com/coreos/go-systemd/v22/activation"
+)
+
+// ListenersWithNames maps a listener name to a set of net.Listener instances.
+func ListenersWithNames() (map[string][]net.Listener, error) {
+	return sdActivation.ListenersWithNames()
+}
+
+// Listeners returns a slice containing a net.Listener for each matching socket type passed to this process.
+func Listeners() ([]net.Listener, error) {
+	return sdActivation.Listeners()
+}