Allow copying multiple commits

[remique]

This Pull Request fixes #1244.

It changes the following:

• allows copying multiple commits by marking them

As of now, the functionality is as follows:

• No commits marked: copies selected line with short commit id
• One commit marked: copies long short commit id
• More than one commit marked consecutively: copies c1^..c8 (short hashes)
• More than one commit marked randomly: copies c1 c2 c4 c5 c8 (short hashes)

I followed the checklist:

• I added unittests
• I ran make check without errors
• I tested the overall application
• I added an appropriate item to the changelog

[remique]

I have noticed that sometimes the app crashes after I yank the commits. I reckon that it is caused by sorting the indexes and I am looking into it.

[remique]

Seems to be working now. I'm not sure if it is the greatest design, but works and does not crash.

EDIT: Also, I updated the original comment, as it is now copying short hashes only.

[extrawurst]

You seem to be saving indices. Did you check if that works still in big repos with the log being loaded in batches?

[remique]

I'm only saving indices that have been marked. I tested it with 25k commit repo and it works fine.

[extrawurst]

can you make the required addition to the changelog?

[remique]

Done!

[extrawurst]

putting in draft until the required changes are made

[remique]

Hey, I updated the changes and everything seems to be working fine on a big repo. I also ran make check locally with no errors. Failed build seems to be a clippy bug though?

error[E0277]: expected a `FnOnce<()>` closure, found `std::string::String`
   --> src/components/commitlist.rs:195:20
    |
195 |                         .map_or_else(String::new(), |le| {
    |                          ----------- ^^^^^^^^^^^^^ expected an `FnOnce<()>` closure, found `std::string::String`
    |                          |
    |                          required by a bound introduced by this call
    |
    = help: the trait `FnOnce<()>` is not implemented for `std::string::String`
    = note: wrap the `std::string::String` in a closure with no arguments: `|| { /* code */ }`

[extrawurst]

fix clippy nightly. see inline comment

[extrawurst]

Thank you ❤️