Set structopt version using git tag

nbigaouette · Apr 16, 2019 · 1e1b12a · 1e1b12a
1 parent 15c3399
commit 1e1b12a
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Showing 4 changed files with 18 additions and 1 deletion.
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/Cargo.toml b/Cargo.toml
@@ -2,6 +2,7 @@
 name = "pycors"
 version = "0.1.9"
 authors = ["Nicolas Bigaouette <[email protected]>"]
+build = "build.rs"
 edition = "2018"
 
 [dependencies]
@@ -25,4 +26,7 @@ tar = "0.4"
 terminal_size = "0.1"
 url = "1.7"
 shlex = "0.1"
-which = "2.0"
+which = "2.0"
+
+[build-dependencies]
+git-version = "0.2"
diff --git a/build.rs b/build.rs
@@ -0,0 +1,3 @@
+fn main() {
+    git_version::set_env();
+}
diff --git a/src/main.rs b/src/main.rs
@@ -21,9 +21,12 @@ use crate::{
 pub type Result<T> = std::result::Result<T, failure::Error>;
 
 pub const EXECUTABLE_NAME: &str = "pycors";
+// This environment variable is set in `build.rs` by the `git-version` crate.
+const GIT_VERSION: &str = env!("VERSION");
 
 /// Control which Python toolchain to use on a directory basis.
 #[derive(StructOpt, Debug)]
+#[structopt(raw(version = "GIT_VERSION"))]
 struct Opt {
     #[structopt(subcommand)]
     subcommand: Option<commands::Command>,