ui: truncate paths in hdr box #956
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afnanenayet
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Adds a module for string utils and a small utility function to truncate strings.
Adds a macro to more efficiently concatenate strings, since I noticed
there is some code I have to concatenate strings that use
`format!("{}{}...{})`, which might not be particularly efficient.
This macro is also much more ergonomic to use.
When rendering a diff in the "unified" style, a long path name will be truncated to fit the terminal width in the box at the top where we display the filenames being diffed.
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Add string utilities and apply string truncation to the top of the header box where we show the filenames being diffed.
If you have a diff between two files with very long paths where a path might exceed the length of the terminal, diffsitter used to display something like this:
And if your terminal was too short, the text would wrap around.
Now it will look something like this: