Release action

2 files changed, 21 insertions, 1 deletions

diff --git a/cli/build.rs b/cli/build.rs
new file mode 100644
index 00000000..f7b70e7f
--- /dev/null
+++ b/cli/build.rs
@@ -0,0 +1,9 @@
+use std::error::Error;
+use std::process::Command;
+
+fn main() -> Result<(), Box<dyn Error>> {
+    let output = Command::new("git").args(&["rev-parse", "HEAD"]).output()?;
+    let hash = std::str::from_utf8(&output.stdout)?;
+    println!("cargo:rustc-env=TYPST_HASH={}", &hash[..8]);
+    Ok(())
+}
diff --git a/cli/src/main.rs b/cli/src/main.rs
index b7cac1ee..40d1a780 100644
--- a/cli/src/main.rs
+++ b/cli/src/main.rs
@@ -55,6 +55,7 @@ ARGS:
 
 OPTIONS:
   -h, --help     Print this help
+  -V, --version  Print the CLI's version
   -w, --watch    Watch the inputs and recompile on changes
   --root <dir>   Configure the root for absolute paths
 
@@ -94,6 +95,10 @@ fn main() {
 /// Parse command line arguments.
 fn parse_args() -> StrResult<Command> {
     let mut args = Arguments::from_env();
+    if args.contains(["-V", "--version"]) {
+        print_version();
+    }
+
     let help = args.contains(["-h", "--help"]);
 
     let command = if args.contains("--fonts") {
@@ -144,11 +149,17 @@ fn parse_input_output(args: &mut Arguments, ext: &str) -> StrResult<(PathBuf, Pa
 }
 
 /// Print a help string and quit.
-fn print_help(help: &'static str) {
+fn print_help(help: &'static str) -> ! {
     print!("{help}");
     std::process::exit(0);
 }
 
+/// Print the version hash and quit.
+fn print_version() -> ! {
+    println!("typst {}", env!("TYPST_HASH"));
+    std::process::exit(0);
+}
+
 /// Print an application-level error (independent from a source file).
 fn print_error(msg: &str) -> io::Result<()> {
     let mut w = StandardStream::stderr(ColorChoice::Always);