use const format for version string

2023-02-17 21:11:54 +01:00
parent 2768d41344
commit 4223eb19ed
3 changed files with 38 additions and 7 deletions
@@ -5,6 +5,7 @@ use std::path::Path;

 use anyhow::{anyhow, bail, ensure, Context, Result};
 use clap::ArgMatches;
+use const_format::formatcp;

 use crate::action::*;
 use crate::args;
@@ -338,11 +339,12 @@ fn show_error(error: &anyhow::Error, backend: &dyn Backend) {
 }

 pub const fn get_version_string() -> &'static str {
-    concat!(
-        "pacdef, version: ",
-        env!("CARGO_PKG_VERSION"),
-        " (",
-        env!("GIT_HASH"),
-        ")",
-    )
+    const VERSION: &str = concat!("pacdef, version: ", env!("CARGO_PKG_VERSION"));
+    const HASH: &str = env!("GIT_HASH");
+
+    if HASH.is_empty() {
+        VERSION
+    } else {
+        formatcp!("{VERSION} ({HASH})")
+    }
 }