commit 5f3369cf465f4b7a7973cd0d45a5161b660400f6
Author: James McDonald <james@jamesmcdonald.com>
Date:   Sat Apr 25 01:33:15 2026 +0200

    Add rust zfsbackup

diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..3e6fb2e
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "zfsbackup"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
diff --git a/src/command.rs b/src/command.rs
new file mode 100644
index 0000000..a0ba558
--- /dev/null
+++ b/src/command.rs
@@ -0,0 +1,19 @@
+pub fn exec_command(command: &Vec<String>) -> Result<(), String> {
+    if command.is_empty() {
+        return Err("Command is empty".to_string());
+    }
+    let mut cmd = std::process::Command::new(&command[0]);
+    if command.len() > 1 {
+        cmd.args(&command[1..]);
+    }
+    let output = cmd.output().map_err(|e| e.to_string())?;
+    if !output.status.success() {
+        return Err(format!(
+            "Command {:?} failed with status {}: {}",
+            command,
+            output.status,
+            String::from_utf8_lossy(&output.stderr)
+        ));
+    }
+    Ok(())
+}
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..d9839a4
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,83 @@
+mod command;
+
+pub struct JobBuilder {
+    sources: Vec<String>,
+    target: String,
+    source_zfs_command: Vec<String>,
+    target_zfs_command: Vec<String>,
+    dryrun: bool,
+}
+
+fn parse_command(commandstr: &str) -> Vec<String> {
+    commandstr
+        .split_whitespace()
+        .map(|s| s.to_string())
+        .collect()
+}
+
+impl JobBuilder {
+    pub fn new(sources: Vec<String>, target: String) -> Self {
+        JobBuilder {
+            sources,
+            target,
+            source_zfs_command: vec!["zfs".to_string()],
+            target_zfs_command: vec!["zfs".to_string()],
+            dryrun: false,
+        }
+    }
+
+    pub fn source_zfs_command(mut self, commandstr: &str) -> Self {
+        let command: Vec<String>;
+        command = parse_command(commandstr);
+        self.source_zfs_command = command;
+        self
+    }
+
+    pub fn target_zfs_command(mut self, commandstr: &str) -> Self {
+        let command: Vec<String>;
+        command = parse_command(commandstr);
+        self.target_zfs_command = command;
+        self
+    }
+
+    pub fn zfs_command(mut self, commandstr: &str) -> Self {
+        let command: Vec<String>;
+        command = parse_command(commandstr);
+        self.source_zfs_command = command.clone();
+        self.target_zfs_command = command;
+        self
+    }
+
+    pub fn dryrun(mut self) -> Self {
+        self.dryrun = true;
+        self
+    }
+
+    pub fn build(self) -> Job {
+        for source in &self.sources {
+            let mut cmd = self.source_zfs_command.clone();
+            let mut args = vec!["list".to_string(), source.clone()];
+            cmd.append(&mut args);
+            match command::exec_command(&cmd) {
+                Ok(_) => (),
+                Err(e) => panic!("Cannot list source dataset {}: {}", source, e),
+            }
+            println!("Source: {}", source);
+        }
+        Job {
+            datasets: vec!["dataset1".to_string(), "dataset2".to_string()],
+            target: self.target,
+            source_zfs_command: self.source_zfs_command,
+            target_zfs_command: self.target_zfs_command,
+            dryrun: self.dryrun,
+        }
+    }
+}
+
+pub struct Job {
+    datasets: Vec<String>,
+    target: String,
+    source_zfs_command: Vec<String>,
+    target_zfs_command: Vec<String>,
+    dryrun: bool,
+}
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..e5eeaee
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,5 @@
+use zfsbackup::JobBuilder;
+
+fn main() {
+    let job = JobBuilder::new(vec!["chonk".to_string()], "backup".to_string()).build();
+}