diff --git a/_service b/_service
index 8f1ed1e..6b42c7d 100644
--- a/_service
+++ b/_service
@@ -1,13 +1,3 @@
 <services>
-	<service name="tar_scm" mode="manual">
-		<param name="scm">git</param>
-		<param name="url">https://evilpiepirate.org/git/bcachefs-tools.git</param>
-		<param name="revision">v1.4.1</param>
-		<param name="version">1.4.1</param>
-	</service>
-	<service name="recompress" mode="manual">
-		<param name="file">*.tar</param>
-		<param name="compression">xz</param>
-	</service>
-	<service name="set_version" mode="manual"/>
+	<service name="cargo_audit" mode="manual" />
 </services>
diff --git a/bcachefs-tools-1.4.1.tar.xz b/bcachefs-tools-1.4.1.tar.xz
deleted file mode 100644
index c8ed76f..0000000
--- a/bcachefs-tools-1.4.1.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:0313c50d461217fe22593839e576372b0ec25a567749751d82874938aee063f6
-size 749312
diff --git a/bcachefs-tools-vendored-1.4.1.tar.sign b/bcachefs-tools-vendored-1.4.1.tar.sign
new file mode 100644
index 0000000..868fe92
--- /dev/null
+++ b/bcachefs-tools-vendored-1.4.1.tar.sign
@@ -0,0 +1,16 @@
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+-----END PGP SIGNATURE-----
diff --git a/bcachefs-tools-vendored-1.4.1.tar.zst b/bcachefs-tools-vendored-1.4.1.tar.zst
new file mode 100644
index 0000000..5fdf037
--- /dev/null
+++ b/bcachefs-tools-vendored-1.4.1.tar.zst
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:43e8f06f26dc203f3cb7cc73828440dcd50e4a389d3a576203664a355915f7f1
+size 21607217
diff --git a/bcachefs-tools.changes b/bcachefs-tools.changes
index 4041163..86448c3 100644
--- a/bcachefs-tools.changes
+++ b/bcachefs-tools.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Mon Jan 29 06:55:58 UTC 2024 - David Disseldorp <ddiss@suse.de>
+
+- Build with rust functionality enabled [boo#1219158]
+  * Switch to upstream vendored source tarball
+  * Validate upstream source signature
+
 -------------------------------------------------------------------
 Sat Jan 27 09:49:49 UTC 2024 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/bcachefs-tools.keyring b/bcachefs-tools.keyring
new file mode 100644
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--- /dev/null
+++ b/bcachefs-tools.keyring
@@ -0,0 +1,99 @@
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diff --git a/bcachefs-tools.spec b/bcachefs-tools.spec
index 68bb8d8..9b6c648 100644
--- a/bcachefs-tools.spec
+++ b/bcachefs-tools.spec
@@ -23,10 +23,14 @@ Summary:        Configuration utilities for bcachefs
 License:        GPL-2.0-or-later
 Group:          System/Filesystems
 URL:            https://bcachefs.org/
-Source:         %name-%version.tar.xz
+Source0:        https://evilpiepirate.org/%name/%name-vendored-%version.tar.zst
+Source1:        https://evilpiepirate.org/%name/%name-vendored-%version.tar.sign
+Source2:        %{name}.keyring
+BuildRequires:  cargo
+BuildRequires:  clang-devel
 BuildRequires:  libaio-devel >= 0.3.111
 BuildRequires:  pkg-config
-BuildRequires:  xz
+BuildRequires:  zstd
 BuildRequires:  pkgconfig(blkid)
 BuildRequires:  pkgconfig(libkeyutils)
 BuildRequires:  pkgconfig(liblz4)
@@ -59,10 +63,10 @@ This package contains utilities for creating and mounting bcachefs.
 
 %build
 %make_build PREFIX="%_prefix" ROOT_SBINDIR="%_sbindir" \
-	EXTRA_CFLAGS="%optflags" NO_RUST=1
+	EXTRA_CFLAGS="%optflags"
 
 %install
-%make_install PREFIX="%_prefix" ROOT_SBINDIR="%_sbindir" NO_RUST=1
+%make_install PREFIX="%_prefix" ROOT_SBINDIR="%_sbindir"
 # this ain't no debian
 rm -Rf "%buildroot/etc/initramfs-tools" "%buildroot/%_datadir/initramfs-tools"