fix script hash not getting pickedup

install-mpsd-software-environment.py

@@ -76,14 +76,15 @@ def setup_log_cmd(mpsd_release: str, script_dir: str, msg: str = None, *args, **
                 # call statement:
                 cmd_line = " ".join(sys.argv)
                 # script branch and commit hash
-                script_branch = (
-                    subprocess.run(["git", "rev-parse", "--abbrev-ref", "HEAD"], stdout=subprocess.PIPE)
-                    .stdout.decode()
-                    .strip()
-                )
-                script_commit_hash = (
-                    subprocess.run(["git", "rev-parse", "--short", "HEAD"], stdout=subprocess.PIPE).stdout.decode().strip()
-                )
+                with os_chdir(script_dir):
+                    script_branch = (
+                        subprocess.run(["git", "rev-parse", "--abbrev-ref", "HEAD"], stdout=subprocess.PIPE)
+                        .stdout.decode()
+                        .strip()
+                    )
+                    script_commit_hash = (
+                        subprocess.run(["git", "rev-parse", "--short", "HEAD"], stdout=subprocess.PIPE).stdout.decode().strip()
+                    )
                 # spack-environments branch and commit hash from kwargs
                 spe_branch = kwargs.get("spe_branch", None)
                 spe_commit_hash = kwargs.get("spe_commit_hash", None)