diff options
Diffstat (limited to 'src/subcommands/show_themes.rs')
| -rw-r--r-- | src/subcommands/show_themes.rs | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/subcommands/show_themes.rs b/src/subcommands/show_themes.rs index 76590761..52c92386 100644 --- a/src/subcommands/show_themes.rs +++ b/src/subcommands/show_themes.rs @@ -15,6 +15,15 @@ pub fn show_themes(dark: bool, light: bool, computed_theme_is_light: bool) -> st use super::sample_diff::DIFF; + let env = DeltaEnv::default(); + let themes = get_themes(git_config::GitConfig::try_create(&env)); + if themes.is_empty() { + return Err(std::io::Error::new( + ErrorKind::NotFound, + "No themes found. Please see https://dandavison.github.io/delta/custom-themes.html.", + )); + } + let mut input = DIFF.to_vec(); if !io::stdin().is_terminal() { @@ -25,7 +34,6 @@ pub fn show_themes(dark: bool, light: bool, computed_theme_is_light: bool) -> st } }; - let env = DeltaEnv::default(); let git_config = git_config::GitConfig::try_create(&env); let opt = cli::Opt::from_iter_and_git_config( env.clone(), @@ -37,7 +45,7 @@ pub fn show_themes(dark: bool, light: bool, computed_theme_is_light: bool) -> st let title_style = ansi_term::Style::new().bold(); let writer = output_type.handle().unwrap(); - for theme in &get_themes(git_config::GitConfig::try_create(&env)) { + for theme in &themes { let git_config = git_config::GitConfig::try_create(&env); let opt = cli::Opt::from_iter_and_git_config( env.clone(), |