add a --version that includes commit hash to mum{ctl,d}

4 files changed, 60 insertions, 0 deletions

diff --git a/mumctl/build.rs b/mumctl/build.rs
new file mode 100644
index 0000000..45cfd4e
--- /dev/null
+++ b/mumctl/build.rs
@@ -0,0 +1,25 @@
+use std::process::Command;
+
+fn main() {
+    let version = format!(
+        "{} {}-{}",
+        env!("CARGO_PKG_NAME"),
+        env!("CARGO_PKG_VERSION"),
+        commit_hash(),
+    );
+
+    println!("cargo:rustc-env=VERSION={}", version);
+}
+
+fn commit_hash() -> String {
+    let output = Command::new("git")
+                         .arg("show")
+                         .arg("--pretty=format:%h")  // abbrev hash
+                         .current_dir(env!("CARGO_MANIFEST_DIR"))
+                         .output();
+    if let Ok(output) = output {
+        String::from_utf8_lossy(&output.stdout).to_string()
+    } else {
+        String::from("???")
+    }
+}
diff --git a/mumctl/src/main.rs b/mumctl/src/main.rs
index d43ff4f..12de262 100644
--- a/mumctl/src/main.rs
+++ b/mumctl/src/main.rs
@@ -47,6 +47,11 @@ impl log::Log for SimpleLogger {
 static LOGGER: SimpleLogger = SimpleLogger;
 
 fn main() {
+    if std::env::args().find(|s| s.as_str() == "--version").is_some() {
+        println!(env!("VERSION"));
+        return;
+    }
+
     log::set_logger(&LOGGER)
         .map(|()| log::set_max_level(LevelFilter::Info)).unwrap();
     let mut config = config::read_default_cfg();
diff --git a/mumd/build.rs b/mumd/build.rs
new file mode 100644
index 0000000..45cfd4e
--- /dev/null
+++ b/mumd/build.rs
@@ -0,0 +1,25 @@
+use std::process::Command;
+
+fn main() {
+    let version = format!(
+        "{} {}-{}",
+        env!("CARGO_PKG_NAME"),
+        env!("CARGO_PKG_VERSION"),
+        commit_hash(),
+    );
+
+    println!("cargo:rustc-env=VERSION={}", version);
+}
+
+fn commit_hash() -> String {
+    let output = Command::new("git")
+                         .arg("show")
+                         .arg("--pretty=format:%h")  // abbrev hash
+                         .current_dir(env!("CARGO_MANIFEST_DIR"))
+                         .output();
+    if let Ok(output) = output {
+        String::from_utf8_lossy(&output.stdout).to_string()
+    } else {
+        String::from("???")
+    }
+}
diff --git a/mumd/src/main.rs b/mumd/src/main.rs
index 0526930..e7b4bec 100644
--- a/mumd/src/main.rs
+++ b/mumd/src/main.rs
@@ -15,6 +15,11 @@ use tokio::task::spawn_blocking;
 
 #[tokio::main]
 async fn main() {
+    if std::env::args().find(|s| s.as_str() == "--version").is_some() {
+        println!(env!("VERSION"));
+        return;
+    }
+
     setup_logger(std::io::stderr(), true);
     notify::init();