feat: add --hyperlinks-line-numbers option

src/cli.rs

@@ -442,6 +442,18 @@ pub struct Opt {
     /// <https://dandavison.github.io/delta/hyperlinks.html> for details.
     pub hyperlinks_file_link_format: String,
 
+    #[arg(
+        long = "hyperlinks-line-numbers",
+        default_value = "true",
+        value_name = "true|false",
+        value_parser = ["true", "false"],
+    )]
+    /// Whether to render line numbers as hyperlinks (requires --hyperlinks).
+    ///
+    /// Set this to "false" to keep hyperlinks on commit hashes and file paths while leaving the
+    /// line-number column as plain text.
+    pub hyperlinks_line_numbers: String,
+
     #[arg(
         long = "inline-hint-style",
         default_value = "blue",
@@ -1180,6 +1192,7 @@ pub struct ComputedValues {
     pub stdout_is_term: bool,
     pub background_color_extends_to_terminal_width: bool,
     pub decorations_width: Width,
+    pub hyperlinks_line_numbers: bool,
     pub inspect_raw_lines: InspectRawLines,
     pub color_mode: ColorMode,
     pub paging_mode: PagingMode,

src/config.rs

@@ -89,6 +89,7 @@ pub struct Config {
     pub hyperlinks_commit_link_format: Option<String>,
     pub hyperlinks_file_link_format: String,
     pub hyperlinks: bool,
+    pub hyperlinks_line_numbers: bool,
     pub inline_hint_style: Style,
     pub inspect_raw_lines: cli::InspectRawLines,
     pub keep_plus_minus_markers: bool,
@@ -362,6 +363,7 @@ impl From<cli::Opt> for Config {
             hyperlinks: opt.hyperlinks,
             hyperlinks_commit_link_format: opt.hyperlinks_commit_link_format,
             hyperlinks_file_link_format: opt.hyperlinks_file_link_format,
+            hyperlinks_line_numbers: opt.computed.hyperlinks_line_numbers,
             inspect_raw_lines: opt.computed.inspect_raw_lines,
             inline_hint_style: styles["inline-hint-style"],
             keep_plus_minus_markers: opt.keep_plus_minus_markers,

src/features/line_numbers.rs

@@ -306,7 +306,11 @@ fn format_line_number(
     config: &config::Config,
 ) -> String {
     let pad = |n| format::pad(n, width, alignment, precision);
-    match (line_number, config.hyperlinks, plus_file) {
+    match (
+        line_number,
+        config.hyperlinks && config.hyperlinks_line_numbers,
+        plus_file,
+    ) {
         (None, _, _) => " ".repeat(width),
         (Some(n), true, Some(file)) => match utils::path::absolute_path(file, config) {
             Some(absolute_path) => {
@@ -749,6 +753,36 @@ pub mod tests {
         assert_eq!(lines.next().unwrap(), "     ⋮10000│bb = 2");
     }
 
+    #[test]
+    fn test_hyperlinks_in_line_number_column() {
+        let config = make_config_from_args(&["--line-numbers", "--hyperlinks"]);
+        let output = run_delta(ONE_MINUS_ONE_PLUS_LINE_DIFF, &config);
+        // Gutter rows wrap the line number in an OSC8 file hyperlink
+        let gutter = output
+            .lines()
+            .find(|l| l.contains('⋮') && l.contains("\x1b]8;;file://"))
+            .unwrap();
+        assert!(gutter.contains("\x1b]8;;file://"));
+    }
+
+    #[test]
+    fn test_hyperlinks_line_numbers_disabled_leaves_gutter_plain() {
+        let config = make_config_from_args(&[
+            "--line-numbers",
+            "--hyperlinks",
+            "--hyperlinks-line-numbers",
+            "false",
+        ]);
+        let output = run_delta(ONE_MINUS_ONE_PLUS_LINE_DIFF, &config);
+        // The gutter rows keep plain line numbers; only the hunk header
+        // (file:line) and file line still carry hyperlinks.
+        for line in output.lines() {
+            if line.contains('⋮') {
+                assert!(!line.contains("\x1b]8;;file://"));
+            }
+        }
+    }
+
     #[test]
     fn test_color_only() {
         let config = make_config_from_args(&["--line-numbers", "--color-only"]);

src/options/set.rs

@@ -168,6 +168,7 @@ pub fn set_options(
             hyperlinks,
             hyperlinks_commit_link_format,
             hyperlinks_file_link_format,
+            hyperlinks_line_numbers,
             inline_hint_style,
             inspect_raw_lines,
             keep_plus_minus_markers,
@@ -237,6 +238,7 @@ pub fn set_options(
     // Setting ComputedValues
     set_widths_and_isatty(opt);
     set_true_color(opt);
+    opt.computed.hyperlinks_line_numbers = opt.hyperlinks_line_numbers == "true";
     theme::set__color_mode__syntax_theme__syntax_set(opt, assets);
     opt.computed.inspect_raw_lines =
         cli::InspectRawLines::from_str(&opt.inspect_raw_lines).unwrap();

src/subcommands/show_config.rs

@@ -366,6 +366,14 @@ fn write_additional_values(config: &config::Config, writer: &mut dyn Write) -> s
                 .as_deref()
                 .unwrap_or(""),
         ),
+        (
+            "hyperlinks-line-numbers",
+            if config.hyperlinks_line_numbers {
+                "true"
+            } else {
+                "false"
+            },
+        ),
         (
             "merge-conflict-begin-symbol",
             config.merge_conflict_begin_symbol.as_str(),