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feat: default option for depth from config file

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- If `--depth` flag is not defined (or it has an invalid value), a value
  from the config file will be used.
- If no `depth` entry in the config file (or there is no config file),
  the default `usize::MAX` will be used.

Added test cases:
- no config and no flag defined              -> `usize::MAX` should be used
- config defined, but flag is not defined    -> config value should be used
- config is not defined, but flag is defined -> flag value should be used
- both config and flag is defined            -> flag value should be used

Additional changes:

- Fixed some clippy issues.
- Added comments to the example `config.toml` file.
  (copy from flag description)

Closes: #314

Signed-off-by: Balazs Nadasdi <efertone@pm.me>
This commit is contained in:
Efertone
2023-02-28 17:19:13 +01:00
committed by andy.boot
parent 7d13fe972c
commit 2f7c197cd7
5 changed files with 69 additions and 3 deletions
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src/main.rs
+1 -1
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@@ -130,7 +130,7 @@ fn main() {
.value_of_t("width")
.unwrap_or_else(|_| get_width_of_terminal());
let depth = options.value_of_t("depth").unwrap_or(usize::MAX);
let depth = config.get_depth(&options);
// If depth is set, then we set the default number_of_lines to be max
// instead of screen height