added return to previous directory before cleanup call

[AlReka]

#310 (comment)

---

Note

Insert cd ".." before MS_exec_cleanup so the script returns to the parent directory prior to cleanup and exit.

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[realtime-neil]

That's not the "previous" directory. That's the parent directory.

You can change to the previous directory by

cd -

-

When a <hyphen-minus> is used as the operand, this shall be equivalent to the command:

    cd "$OLDPWD" && pwd

which changes to the previous working directory and then writes its name.

-- https://pubs.opengroup.org/onlinepubs/9699919799/utilities/cd.html

[megastep]

It might be a good idea to add a unit test for the cleanup script too.

[cursor]

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[cursor]

Bug: Cleanup Command Navigates Incorrectly

The cd ".." command added before MS_exec_cleanup aims to return to the previous directory, but it actually navigates to the parent directory. This difference can cause the cleanup process to run from an incorrect location, particularly if $tmpdir isn't a direct child of the original working directory or if $tmpdir is the current directory.