--- /dev/null
+++ /dist/replica/9legacy
@@ -0,0 +1,53 @@
+#!/bin/rc
+# Client config for updating an installation from the 9legacy sources server.
+# usage: replica/pull /dist/replica/9legacy
+
+if(~ $fscons '')
+	fscons=fscons
+if(~ $replica '')
+	replica=replica
+
+s=/n/sources/plan9/dist/replica
+serverroot=/n/sources/plan9
+serverlog=$s/plan9.log
+serverproto=$s/plan9.proto
+fn servermount {
+	9fs 9legacy
+}
+fn serverupdate { status='' }
+
+if ( ! test -e /srv/boot && ! test -e /srv/kfs ) {
+	echo 'error: neither /srv/boot nor /srv/kfs present; make sure you are running on the file server'
+	exit '/srv/boot or /srv/kfs not present'
+}
+
+if (test -e /srv/$fscons) {
+	if ( ! test -w /srv/$fscons ) {
+		echo 'error: no write access to /srv/'^$fscons^', make sure you are the host owner'
+		exit 'no write access to /srv/fscons'
+	}
+	fn clientmount {
+		if(! test -e /srv/$replica){
+			echo 'srv -AWP '^$replica >>/srv/$fscons
+			sleep 5
+		}
+		mount -c /srv/$replica /n/boot
+	}
+	c=/n/boot/dist/replica
+	clientroot=/n/boot
+}
+if not {
+	fn clientmount { 9fs kfs }
+	c=/n/kfs/dist/replica
+	clientroot=/n/kfs
+}
+
+clientdb=$c/client/plan9.db
+clientexclude=(dist/replica/client)
+clientlog=$c/client/plan9.log
+clientproto=$c/plan9.proto
+
+# 9legacy ships only 386 and amd64, so skip the other architectures,
+# both their top-level trees and their acme/bin binaries
+xarch=(arm arm64 mips mips64 power power64 riscv riscv64 sparc spim spim64)
+applyopt=(-u -T$c/client/plan9.time -x^$xarch -x^acme/bin/^$xarch)
--- /dist/replica/plan9.proto
+++ /dist/replica/plan9.proto
@@ -185,5 +185,6 @@
 		kfs	- sys sys
 		cd	- sys sys
 		network	- sys sys
+		9legacy	- sys sys
 		plan9.proto	- sys sys
 
--- /rc/bin/9fs
+++ /rc/bin/9fs
@@ -22,6 +22,8 @@
 	srv -q il!jukefs && mount /srv/il!jukefs /n/juke
 case sources
 	srv -nq tcp!9p.io sources /n/sources
+case 9legacy
+	srv -nq tcp!sources.9legacy.org 9legacy /n/sources
 case sourcesdump
 	9fs sources
 	mount -n /srv/sources /n/sourcesdump main/archive