Zbigniew Jędrzejewski-Szmek
232f017b1a
If the user edits result in an empty file (after stripping), we would silently not do anything, aborting the edit. This is rather confusing, let's emit a notice: $ build/systemctl --user edit asdf.service --full --stdin </dev/null /home/zbyszek/.config/systemd/user/asdf.service: after editing, new contents are empty, not writing file. (This also works with an editor, instead of --stdin. The message is printed on the console and is visible after the editor exits.) While at it, fix the condition to skip writing file after stripping. We had "old_contents", but we modified that string. In some code flows, we would compare the stripped old contents (i.e. a string which by defintion doesn't have a newline at the end) with a string to which we just appended a newline (i.e. a string which by defintion has a newline at the end).
System and Service Manager
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