build: add xtask release command

1 files changed, 20 insertions, 0 deletions

diff --git a/xtask/src/lib.rs b/xtask/src/lib.rs
index f01fe7b..26dcbd1 100644
--- a/xtask/src/lib.rs
+++ b/xtask/src/lib.rs
@@ -8,3 +8,23 @@ const PKG_INCLUDE: &[&str] = &[
 ];
 
 pub mod dist;
+pub mod release;
+
+/// Parse version from git describe output.
+pub fn git_version() -> anyhow::Result<semver::Version> {
+    let stdout = std::process::Command::new("git")
+        .arg("describe")
+        .arg("--long")
+        .arg("--abbrev=7")
+        .output()?
+        .stdout;
+
+    std::str::from_utf8(&stdout)?
+        .trim()
+        .trim_start_matches('v')
+        .replacen("-g", ".g", 1)
+        .replacen('-', "-r", 1)
+        .parse()
+        .map_err(Into::into)
+}
+