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feat(git_metrics): Git metrics show only nonzero diffs (#2887)
* implement only_nonzero_diffs configuration option * update documetation
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@ -1272,12 +1272,13 @@ To enable it, set `disabled` to `false` in your configuration file.
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### Options
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| Option | Default | Description |
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| ------------------------- | -------------------------------------------------------------------- | ---------------------------------------|
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| `added_style` | `"bold green"` | The style for the added count. |
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| `deleted_style` | `"bold red"` | The style for the deleted count. |
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| `format` | `'[+$added]($added_style) [-$deleted]($deleted_style) '` | The format for the module. |
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| `disabled` | `true` | Disables the `git_metrics` module. |
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| Option | Default | Description |
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| ------------------------- | -------------------------------------------------------------------- | --------------------------------------- |
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| `added_style` | `"bold green"` | The style for the added count. |
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| `deleted_style` | `"bold red"` | The style for the deleted count. |
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| `only_nonzero_diffs` | `true` | Render status only for changed items. |
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| `format` | `'([+$added]($added_style) )([-$deleted]($deleted_style) )'` | The format for the module. |
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| `disabled` | `true` | Disables the `git_metrics` module. |
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### Variables
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@ -7,6 +7,7 @@ use starship_module_config_derive::ModuleConfig;
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pub struct GitMetricsConfig<'a> {
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pub added_style: &'a str,
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pub deleted_style: &'a str,
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pub only_nonzero_diffs: bool,
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pub format: &'a str,
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pub disabled: bool,
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}
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@ -16,7 +17,8 @@ impl<'a> Default for GitMetricsConfig<'a> {
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GitMetricsConfig {
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added_style: "bold green",
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deleted_style: "bold red",
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format: "[+$added]($added_style) [-$deleted]($deleted_style) ",
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only_nonzero_diffs: true,
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format: "([+$added]($added_style) )([-$deleted]($deleted_style) )",
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disabled: true,
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}
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}
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@ -2,8 +2,8 @@ use regex::Regex;
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use std::ffi::OsStr;
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use crate::{
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config::RootModuleConfig, configs::git_metrics::GitMetricsConfig, formatter::StringFormatter,
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module::Module,
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config::RootModuleConfig, configs::git_metrics::GitMetricsConfig,
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formatter::string_formatter::StringFormatterError, formatter::StringFormatter, module::Module,
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};
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use super::Context;
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@ -46,8 +46,8 @@ pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
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_ => None,
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})
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.map(|variable| match variable {
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"added" => Some(Ok(stats.added)),
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"deleted" => Some(Ok(stats.deleted)),
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"added" => GitDiff::get_variable(config.only_nonzero_diffs, stats.added),
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"deleted" => GitDiff::get_variable(config.only_nonzero_diffs, stats.deleted),
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_ => None,
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})
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.parse(None)
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@ -90,6 +90,19 @@ impl<'a> GitDiff<'a> {
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deleted: GitDiff::get_matched_str(diff, &deleted_re),
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}
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}
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pub fn get_variable(
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only_nonzero_diffs: bool,
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changed: &str,
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) -> Option<Result<&str, StringFormatterError>> {
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match only_nonzero_diffs {
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true => match changed {
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"0" => None,
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_ => Some(Ok(changed)),
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},
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false => Some(Ok(changed)),
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}
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}
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}
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#[cfg(test)]
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@ -130,11 +143,7 @@ mod tests {
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let actual = render_metrics(path);
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let expected = Some(format!(
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"{} {} ",
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Color::Green.bold().paint("+1"),
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Color::Red.bold().paint("-0")
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));
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let expected = Some(format!("{} ", Color::Green.bold().paint("+1"),));
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assert_eq!(expected, actual);
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repo_dir.close()
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@ -150,11 +159,7 @@ mod tests {
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let actual = render_metrics(path);
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let expected = Some(format!(
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"{} {} ",
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Color::Green.bold().paint("+0"),
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Color::Red.bold().paint("-1")
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));
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let expected = Some(format!("{} ", Color::Red.bold().paint("-1")));
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assert_eq!(expected, actual);
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repo_dir.close()
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@ -180,6 +185,47 @@ mod tests {
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repo_dir.close()
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}
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#[test]
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fn shows_nothing_if_no_changes() -> io::Result<()> {
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let repo_dir = create_repo_with_commit()?;
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let path = repo_dir.path();
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let actual = render_metrics(path);
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let expected = None;
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assert_eq!(expected, actual);
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repo_dir.close()
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}
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#[test]
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fn shows_all_if_only_nonzero_diffs_is_false() -> io::Result<()> {
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let repo_dir = create_repo_with_commit()?;
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let path = repo_dir.path();
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let the_file = path.join("the_file");
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let mut the_file = OpenOptions::new().append(true).open(&the_file)?;
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writeln!(the_file, "Added line")?;
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the_file.sync_all()?;
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let actual = ModuleRenderer::new("git_metrics")
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.config(toml::toml! {
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[git_metrics]
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disabled = false
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only_nonzero_diffs = false
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})
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.path(path)
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.collect();
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let expected = Some(format!(
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"{} {} ",
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Color::Green.bold().paint("+1"),
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Color::Red.bold().paint("-0")
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));
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assert_eq!(expected, actual);
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repo_dir.close()
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}
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fn render_metrics(path: &Path) -> Option<String> {
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ModuleRenderer::new("git_metrics")
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.config(toml::toml! {
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