Add ruff version with long version display

crates/ruff_cli/Cargo.toml

@@ -10,6 +10,7 @@ documentation = { workspace = true }
 repository = { workspace = true }
 license = { workspace = true }
 readme = "../../README.md"
+build = "build.rs"
 
 [[bin]]
 name = "ruff"
@@ -61,6 +62,10 @@ thiserror = { workspace = true }
 tracing = { workspace = true, features = ["log"] }
 walkdir = { version = "2.3.2" }
 wild = { version = "2" }
+shadow-rs = { version = "0.24.1" }
+
+[build-dependencies]
+shadow-rs = { version = "0.24.1" }
 
 [dev-dependencies]
 assert_cmd = { version = "2.0.8" }

crates/ruff_cli/build.rs

@@ -0,0 +1,3 @@
+fn main() -> shadow_rs::SdResult<()> {
+    shadow_rs::new()
+}

crates/ruff_cli/src/args.rs

@@ -35,6 +35,11 @@ pub struct Args {
 pub enum Command {
     /// Run Ruff on the given files or directories (default).
     Check(CheckCommand),
+    /// Display full Ruff version information
+    Version {
+        #[arg(long, value_enum, default_value = "text")]
+        output_format: HelpFormat,
+    },
     /// Explain a rule (or all rules).
     #[clap(alias = "--explain")]
     #[command(group = clap::ArgGroup::new("selector").multiple(false).required(true))]

crates/ruff_cli/src/commands/mod.rs

@@ -9,3 +9,4 @@ pub(crate) mod linter;
 pub(crate) mod rule;
 pub(crate) mod show_files;
 pub(crate) mod show_settings;
+pub(crate) mod version;

crates/ruff_cli/src/commands/version.rs

@@ -0,0 +1,82 @@
+use std::fmt::{Display, Formatter};
+use std::io::{self, BufWriter, Write};
+
+use anyhow::Result;
+use serde::Serialize;
+
+use crate::args::HelpFormat;
+use crate::build;
+
+#[derive(Serialize)]
+struct VersionMetadata {
+    ruff_version: &'static str,
+    rust_version: &'static str,
+    build_time: &'static str,
+    cargo_version: &'static str,
+    build_os: &'static str,
+    commit: &'static str,
+    commit_time: &'static str,
+    target: &'static str,
+    dirty: bool,
+    release: bool,
+}
+
+impl VersionMetadata {
+    const fn from_build() -> Self {
+        Self {
+            ruff_version: build::PKG_VERSION,
+            rust_version: build::RUST_VERSION,
+            build_time: build::BUILD_TIME_3339,
+            cargo_version: build::CARGO_VERSION,
+            build_os: build::BUILD_OS,
+            target: build::BUILD_TARGET,
+            release: !build::TAG.is_empty(),
+            commit: build::SHORT_COMMIT,
+            commit_time: build::COMMIT_DATE_3339,
+            dirty: !build::GIT_CLEAN,
+        }
+    }
+}
+
+impl Display for VersionMetadata {
+    fn fmt(&self, f: &mut Formatter) -> std::fmt::Result {
+        write!(f, "ruff {}", self.ruff_version)
+    }
+}
+
+/// Display version information
+pub(crate) fn version(output_format: HelpFormat) -> Result<()> {
+    let mut stdout = BufWriter::new(io::stdout().lock());
+    let metadata = VersionMetadata::from_build();
+
+    let build_date = chrono::DateTime::parse_from_rfc3339(metadata.build_time)?;
+
+    match output_format {
+        HelpFormat::Text => {
+            let status = if metadata.dirty {
+                "-dirty"
+            } else {
+                if metadata.release {
+                    ""
+                } else {
+                    "-dev"
+                }
+            };
+
+            writeln!(
+                stdout,
+                "ruff {}{} ({} {})",
+                &metadata.ruff_version,
+                &status,
+                &metadata.commit,
+                build_date.format("%Y-%m-%d")
+            )?;
+            writeln!(stdout, "{}", &metadata.rust_version)?;
+            writeln!(stdout, "{}", &metadata.cargo_version)?;
+        }
+        HelpFormat::Json => {
+            serde_json::to_writer_pretty(stdout, &metadata)?;
+        }
+    };
+    Ok(())
+}