fix: allow --paths-cmd to run on Windows (#23)

* fix: allow path comands to run on Windows

* Call command

* Parse command

* Add empty check

* Update git.rs

Cargo.toml

@@ -26,6 +26,7 @@ blake3 = "1.3.1"
 fern = { version = "0.6.1", features = ["colored"] }
 chrono = "0.4.19"
 dialoguer = "0.10.1"
+shell-words = "1.1.0"
 
 [dev-dependencies]
 assert_cmd = "2.0.4"

src/git.rs

@@ -17,9 +17,14 @@ pub fn get_head() -> Result<String> {
 
 pub fn get_paths_from_cmd(paths_cmd: &str) -> Result<Vec<AbsPath>> {
     debug!("Running paths_cmd: {}", paths_cmd);
-    let output = Command::new("sh")
-        .arg("-c")
-        .arg(paths_cmd)
+    if paths_cmd.is_empty() {
+        return Err(anyhow::Error::msg("paths_cmd is empty. Please provide an executable command."));
+    }
+    let argv = shell_words::split(paths_cmd).context("failed to split paths_cmd")?;
+    debug!("Parsed paths_cmd: {:?}", argv);
+
+    let output = Command::new(&argv[0])
+        .args(&argv[1..])
         .output()
         .context("failed to run provided paths_cmd")?;