sysusers: New stub crate

Signed-off-by: Colin Walters <[email protected]>

Author: cgwalters

Cargo.lock

@@ -8,7 +8,8 @@ members = [
     "blockdev",
     "xtask",
     "tests-integration",
-    "tmpfiles"
+    "tmpfiles",
+    "sysusers",
 ]
 resolver = "2"
 

Cargo.toml

@@ -0,0 +1,24 @@
+[package]
+name = "bootc-sysusers"
+version = "0.1.0"
+license = "MIT OR Apache-2.0"
+edition = "2021"
+publish = false
+
+[dependencies]
+camino = { workspace = true }
+fn-error-context = { workspace = true }
+cap-std-ext = { version = "4" }
+thiserror = { workspace = true }
+tempfile = { workspace = true }
+bootc-utils = { path = "../utils" }
+rustix = { workspace = true }
+uzers = "0.12"
+
+[dev-dependencies]
+anyhow = { workspace = true }
+indoc = { workspace = true }
+similar-asserts = { workspace = true }
+
+[lints]
+workspace = true

sysusers/Cargo.toml

@@ -0,0 +1,22 @@
+//! Parse and generate systemd sysusers.d entries.
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
+use std::path::PathBuf;
+
+use thiserror::Error;
+
+/// An error when translating tmpfiles.d.
+#[derive(Debug, Error)]
+#[allow(missing_docs)]
+pub enum Error {
+    #[error("I/O error: {0}")]
+    Io(#[from] std::io::Error),
+    #[error("I/O error on {path}: {err}")]
+    PathIo { path: PathBuf, err: std::io::Error },
+}
+
+/// The type of Result.
+pub type Result<T> = std::result::Result<T, Error>;
+
+#[cfg(test)]
+mod tests {}