Fix weird issue that when `column` is used to display the header line,
it is split over two lines sometimes.
```
local
remote
origin/HEAD
dev origin/dev
main origin/main
origin/utils
```
The alias now lists all local *and* all remote branches and displays how
they are linked.
The `sort -uk1,1` deletes all duplicate entries of remote branches as
they could be listed as %(upstream) as well as %(refname) through the
`refs/remotes/`.
TODO:
This deletes too many entries when multiple local branches track
the same remote branch. (Why ever you should do that...)
I guess this could be resolved by using `awk` for the uniqueness.
Instead of overwriting existing aliases, reuse them.
This makes it possible to add multiple flags in multiple calls to
`add_flags` for example when a flag should only be added on certain
systems, etc..
Since both were functions already their place seems more appropriate in
functions.zsh. This also fixes the completion of both, since they did
not complete files before.
Other changes in `unbkp`:
- Use `mv` instead of `cp`
- Fix little typo (forgotten quote) and support specifying the
original name instead of only the backup.
- Do not "rename" the file if there is no change in name
(Leading to the prompt if the file should be overwritten)
This annoys me in more cases than I thought. For example when checking
out a commit in the past in detached head mode and I want to see the
past commits before the current one.
Especially because there is no flag that can disable it again.
The flag has to be passed manually to `glog` now.
On (new) systems where commands are still missing, it is often a little
surprise when commands do not work after zsh-syntax-highlighting colored
them green. That's why I do not want alias to be created when they just
wrap a command with the same name without the command existing.
There also cases like `rm` where I do not want to type out `command rm`
every time just because `trash` is not installed.
