Rewrite rust (#38)

Co-authored-by: kjuulh <contact@kjuulh.io>
Reviewed-on: https://git.front.kjuulh.io/kjuulh/octopush/pulls/38

crates/octopush_core/src/shell/mod.rs

@@ -0,0 +1,50 @@
+use std::{path::PathBuf, process::Stdio};
+
+use eyre::Context;
+use tokio::io::{AsyncBufReadExt, BufReader};
+
+pub async fn execute_shell(cmd: String, path: Option<PathBuf>) -> eyre::Result<()> {
+    let mut command = tokio::process::Command::new("sh");
+    let command = command.arg("-c");
+
+    let command = if let Some(path) = path {
+        command.current_dir(path)
+    } else {
+        command
+    };
+
+    let command = command.arg(format!("{}", cmd));
+
+    let command = command.stdout(Stdio::piped());
+
+    let mut child = command.spawn()?;
+
+    let stdout = child
+        .stdout
+        .take()
+        .ok_or(eyre::anyhow!("could not take stdout of command"))?;
+
+    let mut reader = BufReader::new(stdout).lines();
+
+    tokio::spawn(async move {
+        let status = child
+            .wait()
+            .await
+            .context(eyre::anyhow!("child process encountered an error"))
+            .unwrap();
+
+        if !status.success() {
+            tracing::error!(
+                cmd,
+                status = status.to_string(),
+                "child program encountered an error"
+            );
+        }
+    });
+
+    while let Some(line) = reader.next_line().await? {
+        tracing::trace!("{}", line)
+    }
+
+    Ok(())
+}