Merge pull request #315 from dandavison/boolean-env-var-navigate

Allow navigate to be activated by DELTA_NAVIGATE environment variable

2 files changed, 6 insertions, 0 deletions

diff --git a/src/env.rs b/src/env.rs
index 70811353..0a988f9a 100644
--- a/src/env.rs
+++ b/src/env.rs
@@ -8,3 +8,8 @@ pub fn get_env_var(name: &str) -> Option<String> {
         non_empty_string => Some(non_empty_string.to_string()),
     }
 }
+
+/// If `name` is set to any value at all (including "") then return true; else false.
+pub fn get_boolean_env_var(name: &str) -> bool {
+    env::var(name).ok().is_some()
+}
diff --git a/src/options/set.rs b/src/options/set.rs
index b8ea10a7..a6b4f151 100644
--- a/src/options/set.rs
+++ b/src/options/set.rs
@@ -74,6 +74,7 @@ pub fn set_options(
         }
         set_git_config_entries(opt, git_config);
     }
+    opt.navigate = opt.navigate || env::get_boolean_env_var("DELTA_NAVIGATE");
 
     let option_names = cli::Opt::get_option_names();