[rust tools] Get the tools version from autoconf

.gitignore

@@ -57,6 +57,7 @@ autom4te.cache/
 *.rej
 
 version.h
+src/version.rs
 config.cache
 config.log
 config.status

configure.ac

@@ -210,5 +210,6 @@ Makefile
 contrib/Makefile
 unit-tests/Makefile
 version.h
+src/version.rs
 ])
 AC_OUTPUT

src/bin/thin_metadata_pack.rs

@@ -6,7 +6,7 @@ use std::process;
 
 fn main() {
     let parser = App::new("thin_metadata_pack")
-	.version("0.8.5")	// FIXME: use actual version
+	.version(thinp::version::TOOLS_VERSION)
         .about("Produces a compressed file of thin metadata.  Only packs metadata blocks that are actually used.")
         .arg(Arg::with_name("INPUT")
             .help("Specify thinp metadata binary device/file")

src/bin/thin_metadata_unpack.rs

@@ -6,7 +6,7 @@ use std::process;
 
 fn main() {
     let parser = App::new("thin_metadata_unpack")
-	.version("0.8.5")	// FIXME: use actual version
+	.version(thinp::version::TOOLS_VERSION)
         .about("Unpack a compressed file of thin metadata.")
         .arg(Arg::with_name("INPUT")
             .help("Specify thinp metadata binary device/file")

src/lib.rs

@@ -14,3 +14,4 @@ extern crate quickcheck_macros;
 pub mod block_manager;
 pub mod check;
 pub mod pack;
+pub mod version;

src/version.rs.in

@@ -0,0 +1,2 @@
+pub const TOOLS_VERSION: &str = @THIN_PROVISIONING_TOOLS_VERSION@;
+