From 62ca45953f5254a1b434725799d6e10ca63577fa Mon Sep 17 00:00:00 2001
From: Dan Davison <dandavison7@gmail.com>
Date: Sun, 26 Dec 2021 22:01:24 -0500
Subject: [PATCH] blame-separator and blame-separator-style options

---
 src/cli.rs            | 11 ++++++++++-
 src/config.rs         |  8 ++++++--
 src/handlers/blame.rs |  4 +++-
 src/options/set.rs    |  2 ++
 src/parse_styles.rs   | 28 ++++++++++++++++++++++++++++
 5 files changed, 49 insertions(+), 4 deletions(-)

diff --git a/src/cli.rs b/src/cli.rs
index 5165f3cd..569be55f 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -491,10 +491,19 @@ pub struct Opt {
     /// "{timestamp}", "{author}", and "{commit}".
     #[structopt(
         long = "blame-format",
-        default_value = "{timestamp:<15} {author:<15.14} {commit:<8} │"
+        default_value = "{timestamp:<15} {author:<15.14} {commit:<8}"
     )]
     pub blame_format: String,
 
+    /// Separator between the commit metadata and code sections of a line of git blame output.
+    #[structopt(long = "blame-separator", default_value = "│")]
+    pub blame_separator: String,
+
+    #[structopt(long = "blame-separator-style")]
+    /// Style (foreground, background, attributes) for the separator between the commit metadata and
+    /// code sections of a line of `git blame` output.
+    pub blame_separator_style: Option<String>,
+
     #[structopt(long = "blame-code-style")]
     /// Style (foreground, background, attributes) for the code section of a line of `git blame`
     /// output. By default the code will be syntax-highlighted with the same background color as the
diff --git a/src/config.rs b/src/config.rs
index e8d991e4..be944cf2 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -63,6 +63,8 @@ pub struct Config {
     pub blame_code_style: Option<Style>,
     pub blame_format: String,
     pub blame_palette: Vec<String>,
+    pub blame_separator: String,
+    pub blame_separator_style: Option<Style>,
     pub blame_timestamp_format: String,
     pub color_only: bool,
     pub commit_regex: Regex,
@@ -166,7 +168,7 @@ impl Config {
 
 impl From<cli::Opt> for Config {
     fn from(opt: cli::Opt) -> Self {
-        let styles = parse_styles::parse_styles(&opt);
+        let mut styles = parse_styles::parse_styles(&opt);
         let styles_map = parse_styles::parse_styles_map(&opt);
 
         let max_line_distance_for_naively_paired_lines =
@@ -242,8 +244,10 @@ impl From<cli::Opt> for Config {
                 .computed
                 .background_color_extends_to_terminal_width,
             blame_format: opt.blame_format,
-            blame_code_style: styles.get("blame-code-style").copied(),
+            blame_code_style: styles.remove("blame-code-style"),
             blame_palette,
+            blame_separator: opt.blame_separator,
+            blame_separator_style: styles.remove("blame-separator-style"),
             blame_timestamp_format: opt.blame_timestamp_format,
             commit_style: styles["commit-style"],
             color_only: opt.color_only,
diff --git a/src/handlers/blame.rs b/src/handlers/blame.rs
index bc1be2ac..6687587a 100644
--- a/src/handlers/blame.rs
+++ b/src/handlers/blame.rs
@@ -47,11 +47,13 @@ impl<'a> StateMachine<'a> {
                 let metadata_style =
                     self.blame_metadata_style(&key, previous_key.as_deref(), is_repeat);
                 let code_style = self.config.blame_code_style.unwrap_or(metadata_style);
+                let separator_style = self.config.blame_separator_style.unwrap_or(code_style);
 
                 write!(
                     self.painter.writer,
-                    "{}",
+                    "{}{}",
                     metadata_style.paint(&formatted_blame_metadata),
+                    separator_style.paint(&self.config.blame_separator)
                 )?;
 
                 // Emit syntax-highlighted code
diff --git a/src/options/set.rs b/src/options/set.rs
index 89a038a4..be3d74a1 100644
--- a/src/options/set.rs
+++ b/src/options/set.rs
@@ -128,6 +128,8 @@ pub fn set_options(
             blame_code_style,
             blame_format,
             blame_palette,
+            blame_separator,
+            blame_separator_style,
             blame_timestamp_format,
             color_only,
             commit_decoration_style,
diff --git a/src/parse_styles.rs b/src/parse_styles.rs
index eea3c11f..1bee9e54 100644
--- a/src/parse_styles.rs
+++ b/src/parse_styles.rs
@@ -22,6 +22,7 @@ pub fn parse_styles(opt: &cli::Opt) -> HashMap<String, Style> {
     make_hunk_styles(opt, &mut styles);
     make_commit_file_hunk_header_styles(opt, &mut styles);
     make_line_number_styles(opt, &mut styles);
+    make_blame_styles(opt, &mut styles);
     make_grep_styles(opt, &mut styles);
     make_merge_conflict_styles(opt, &mut styles);
     make_misc_styles(opt, &mut styles);
@@ -360,6 +361,33 @@ fn make_commit_file_hunk_header_styles(opt: &cli::Opt, styles: &mut HashMap<&str
     ]);
 }
 
+fn make_blame_styles(opt: &cli::Opt, styles: &mut HashMap<&str, StyleReference>) {
+    if let Some(style_string) = &opt.blame_code_style {
+        styles.insert(
+            "blame-code-style",
+            style_from_str(
+                style_string,
+                None,
+                None,
+                opt.computed.true_color,
+                opt.git_config.as_ref(),
+            ),
+        );
+    };
+    if let Some(style_string) = &opt.blame_separator_style {
+        styles.insert(
+            "blame-separator-style",
+            style_from_str(
+                style_string,
+                None,
+                None,
+                opt.computed.true_color,
+                opt.git_config.as_ref(),
+            ),
+        );
+    };
+}
+
 fn make_grep_styles(opt: &cli::Opt, styles: &mut HashMap<&str, StyleReference>) {
     styles.extend([
         (