command-line-tool

--presume-input-tty is an undocumented option of rm.

https://bug-coreutils.gnu.narkive.com/AMUZEL4V/rm-p

            It is relatively difficult to ensure that there is a tty on stdin.
           Since rm acts differently depending on that, without this option,
           it'd be harder to test the parts of rm that depend on that setting. 

GNU testsuite:
`2021-06

If I delete a local branch and it has an upstream I want to be asked to delete that aswell when I delete the local branch. Same vice versa

Might be a cool feature to show a symlinks destination path behind the little arrow. This would be a bit like the listing of ls -l.

As an intermediate step towards #1015, and various parts thereof, would it be possible to ignore the syntax for features not currently supported, yet use the parts which are supported in trades?
I'm thinking out loud and wondering what effects this may have.

My end goal here is to be able to read a data file https://gitlab.com/snippets/1856416 without errors. Hledger would be able to parse thi