Revert "Fix maturin sdist --manifest-path <PATH> for workspace proj…

…ect"

This reverts commit 54973be.

Changelog.md

@@ -9,7 +9,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 * Package license files in `.dist-info/license_files` following PEP 639 in [#837](https://github.com/PyO3/maturin/pull/837)
 * Stop testing Python 3.6 on CI since it's already EOL in [#840](https://github.com/PyO3/maturin/pull/840)
-* Fix `maturin sdist --manifest-path <PATH>` for workspace project in [#843](https://github.com/PyO3/maturin/pull/843)
 
 ## [0.12.10] - 2022-03-09
 

src/source_distribution.rs

@@ -130,15 +130,9 @@ fn add_crate_to_source_distribution(
     known_path_deps: &HashMap<String, PathDependency>,
     root_crate: bool,
 ) -> Result<()> {
-    let crate_dir = manifest_path.as_ref().parent().with_context(|| {
-        format!(
-            "Can't get parent directory of {}",
-            manifest_path.as_ref().display()
-        )
-    })?;
     let output = Command::new("cargo")
-        .args(&["package", "--list", "--allow-dirty"])
-        .current_dir(crate_dir)
+        .args(&["package", "--list", "--allow-dirty", "--manifest-path"])
+        .arg(manifest_path.as_ref())
         .output()
         .context("Failed to run `cargo package --list --allow-dirty`")?;
     if !output.status.success() {