Use less binary specified in bat config for --diagnostic

2 files changed, 12 insertions, 1 deletions

diff --git a/src/bin/bat/main.rs b/src/bin/bat/main.rs
index 13d5ddb5..1d430c30 100644
--- a/src/bin/bat/main.rs
+++ b/src/bin/bat/main.rs
@@ -229,6 +229,8 @@ fn run() -> Result<bool> {
 
     if app.matches.is_present("diagnostic") {
         use bugreport::{bugreport, collector::*, format::Markdown};
+        let pager = bat::config::get_pager_executable(app.matches.value_of("pager"))
+            .unwrap_or("less".to_owned()); // FIXME: Avoid non-canonical path to "less".
 
         bugreport!()
             .info(SoftwareVersion::default())
@@ -252,7 +254,7 @@ fn run() -> Result<bool> {
             ]))
             .info(FileContent::new("Config file", config_file()))
             .info(CompileTimeInformation::default())
-            .info(CommandOutput::new("Less version", "less", &["--version"]))
+            .info(CommandOutput::new("Less version", pager, &["--version"]))
             .print::<Markdown>();
 
         return Ok(true);
diff --git a/src/config.rs b/src/config.rs
index 58d30a3b..6bb84ab9 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -84,6 +84,15 @@ pub struct Config<'a> {
     pub highlighted_lines: HighlightedLineRanges,
 }
 
+#[cfg(all(feature = "application", feature = "paging"))]
+pub fn get_pager_executable(config_pager: Option<&str>) -> Option<String> {
+    if let Ok(Some(pager)) = crate::pager::get_pager(config_pager) {
+        Some(pager.bin)
+    } else {
+        None
+    }
+}
+
 #[test]
 fn default_config_should_include_all_lines() {
     use crate::line_range::RangeCheckResult;