Rename CLI option: --show-background-colors

See #31

2 files changed, 10 insertions, 8 deletions

diff --git a/src/cli.rs b/src/cli.rs
index a36ddd64..6d4bc7fb 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -76,9 +76,13 @@ pub struct Opt {
     #[structopt(long = "tabs", default_value = "4")]
     pub tab_width: usize,
 
-    /// Show the command-line arguments for the current colors.
-    #[structopt(long = "show-colors")]
-    pub show_colors: bool,
+    /// Show the command-line arguments (RGB hex codes) for the background colors that are in
+    /// effect. The hex codes are displayed with their associated background color. This option can
+    /// be combined with --light and --dark to view the background colors for those modes. It can
+    /// also be used to experiment with different RGB hex codes by combining this option with
+    /// --minus-color, --minus-emph-color, --plus-color, --plus-emph-color.
+    #[structopt(long = "show-background-colors")]
+    pub show_background_colors: bool,
 
     /// List supported languages and associated file extensions.
     #[structopt(long = "list-languages")]
diff --git a/src/main.rs b/src/main.rs
index 1ed36e5e..7f4ff061 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -52,8 +52,8 @@ fn main() -> std::io::Result<()> {
 
     let config = cli::process_command_line_arguments(&assets, &opt);
 
-    if opt.show_colors {
-        show_colors(&config);
+    if opt.show_background_colors {
+        show_background_colors(&config);
         process::exit(0);
     }
 
@@ -75,15 +75,13 @@ fn main() -> std::io::Result<()> {
     Ok(())
 }
 
-fn show_colors(config: &config::Config) {
+fn show_background_colors(config: &config::Config) {
     println!(
         "delta \
-         --theme=\"{theme}\" \
          --minus-color=\"{minus_color}\" \
          --minus-emph-color=\"{minus_emph_color}\" \
          --plus-color=\"{plus_color}\" \
          --plus-emph-color=\"{plus_emph_color}\"",
-        theme = config.theme_name,
         minus_color = color_to_hex(config.minus_style_modifier.background.unwrap()),
         minus_emph_color = color_to_hex(config.minus_emph_style_modifier.background.unwrap()),
         plus_color = color_to_hex(config.plus_style_modifier.background.unwrap()),