doc: mention BAT_THEME in help output

2018-08-22 10:46:22 +03:00 · 2018-08-22 10:46:22 +03:00 · 8e6c5bc562
parent 052425b12f
commit 8e6c5bc562
1 changed files with 4 additions and 1 deletions
--- a/src/app.rs
+++ b/src/app.rs
@ -129,7 +129,10 @@ impl App {
                    .help("Set the theme for highlighting")
                    .long_help(
                        "Set the theme for syntax highlighting. Use '--list-themes' to \
-                         see all available themes",
+                         see all available themes. To set a default theme export the \
+                         BAT_THEME environment variable e.g. use export \
+                         BAT_THEME=\"TwoDark\" in your shells startup file to \
+                         permanently use the TwoDark theme.",
                    ),
            ).arg(
                Arg::with_name("line-range")