use git bash instead of wsl bash

asyncgit/src/sync/hooks.rs

@@ -18,6 +18,7 @@ struct HookPaths {
 	git: PathBuf,
 	hook: PathBuf,
 	pwd: PathBuf,
+	bash: PathBuf,
 }
 
 impl HookPaths {
@@ -51,10 +52,13 @@ impl HookPaths {
 		let hook = PathBuf::from_str(hook.as_ref())
 			.map_err(|_| error::Error::PathString)?;
 
+		let git_bash = find_bash_executable();
+
 		Ok(Self {
 			git: git_dir,
 			hook,
 			pwd,
+			bash: git_bash,
 		})
 	}
 
@@ -70,7 +74,7 @@ impl HookPaths {
 
 		log::trace!("run hook '{:?}' in '{:?}'", self.hook, self.pwd);
 
-		let output = Command::new("bash")
+		let output = Command::new(&self.bash)
 			.args(bash_args)
 			.current_dir(&self.pwd)
 			// This call forces Command to handle the Path environment correctly on windows,
@@ -184,6 +188,29 @@ const fn is_executable(_: &Path) -> bool {
 	true
 }
 
+// Find bash.exe, and avoid finding wsl's bash.exe.
+fn find_bash_executable() -> PathBuf {
+	if cfg!(windows) {
+		Command::new("where.exe")
+			.arg("git")
+			.output()
+			.ok()
+			.map(|out| {
+				PathBuf::from(Into::<String>::into(
+					String::from_utf8_lossy(&out.stdout),
+				))
+			})
+			.as_deref()
+			.and_then(Path::parent)
+			.and_then(Path::parent)
+			.map(|p| p.join("usr/bin/bash.exe"))
+			.filter(|p| p.exists())
+			.unwrap_or_else(|| PathBuf::from("bash"))
+	} else {
+		PathBuf::from("bash")
+	}
+}
+
 #[cfg(test)]
 mod tests {
 	use super::*;