Build script: git-clean and cwd fixes (#8424)

build/cli/src/lib.rs

@@ -878,7 +878,7 @@ pub async fn main_internal(config: Option<Config>) -> Result {
             let crate::arg::git_clean::Options { dry_run, cache, build_script } = options;
             let mut exclusions = vec![".idea"];
             if !build_script {
-                exclusions.push("target/enso-build");
+                exclusions.push("target/rust/buildscript");
             }
 
             if !dry_run {

run

@@ -1,4 +1,10 @@
 #!/usr/bin/env bash
 set -e # Exit on error.
 
+# Change working directory to the script's directory.
+pushd "$(dirname "$0")" > /dev/null 
+
 cargo run --profile buildscript --package enso-build-cli -- $@
+
+# Revert to the original working directory.
+popd > /dev/null