Add the --right-arrow option.

This allows the file1 -> file2 arrow to be configured to whatever
characters the user desires.  The default is the same unicode arrow as
before with 2 spaces after it, since this allows someone to remove the
extra spaces that are in the current output.

6 files changed, 24 insertions, 4 deletions

diff --git a/README.md b/README.md
index 5a03cc10..8cc6b0a0 100644
--- a/README.md
+++ b/README.md
@@ -863,6 +863,9 @@ OPTIONS:
         --file-renamed-label <file-renamed-label>
             Text to display in front of a renamed file path [default: renamed:]
 
+        --right-arrow <right-arrow>
+            Text to display with a changed value such as a diff heading, a rename, or a chmod [default: ⟶  ]
+
         --hunk-label <hunk-label>
             Text to display in front of a hunk header [default: ]
 
diff --git a/src/cli.rs b/src/cli.rs
index f7a4ec90..aa40ce1e 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -550,6 +550,10 @@ pub struct Opt {
     /// Text to display in front of a renamed file path.
     pub file_renamed_label: String,
 
+    #[structopt(long = "right-arrow", default_value = "⟶  ")]
+    /// Text to display with a changed value such as a diff heading, a rename, or a chmod.
+    pub right_arrow: String,
+
     #[structopt(long = "hunk-label", default_value = "")]
     /// Text to display in front of a hunk header.
     pub hunk_label: String,
diff --git a/src/config.rs b/src/config.rs
index 81424211..4ed7f27a 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -73,6 +73,7 @@ pub struct Config {
     pub file_modified_label: String,
     pub file_removed_label: String,
     pub file_renamed_label: String,
+    pub right_arrow: String,
     pub file_style: Style,
     pub git_config_entries: HashMap<String, GitConfigEntry>,
     pub git_config: Option<GitConfig>,
@@ -223,6 +224,7 @@ impl From<cli::Opt> for Config {
         let file_modified_label = opt.file_modified_label;
         let file_removed_label = opt.file_removed_label;
         let file_renamed_label = opt.file_renamed_label;
+        let right_arrow = opt.right_arrow;
         let hunk_label = opt.hunk_label;
 
         let line_fill_method = match opt.line_fill_method.as_deref() {
@@ -278,6 +280,7 @@ impl From<cli::Opt> for Config {
             file_modified_label,
             file_removed_label,
             file_renamed_label,
+            right_arrow,
             hunk_label,
             file_style,
             git_config: opt.git_config,
diff --git a/src/handlers/file_meta.rs b/src/handlers/file_meta.rs
index d58eb9dd..8a1ea0d3 100644
--- a/src/handlers/file_meta.rs
+++ b/src/handlers/file_meta.rs
@@ -313,9 +313,10 @@ pub fn get_file_change_description_from_file_paths(
     };
     if comparing {
         format!(
-            "{}{} ⟶   {}",
+            "{}{} {} {}",
             format_label(&config.file_modified_label),
             minus_file,
+            config.right_arrow,
             plus_file
         )
     } else {
@@ -337,7 +338,10 @@ pub fn get_file_change_description_from_file_paths(
                 // https://medium.com/@tahteche/how-git-treats-changes-in-file-permissions-f71874ca239d
                 ("100644", "100755") => format!("{}: mode +x", plus_file),
                 ("100755", "100644") => format!("{}: mode -x", plus_file),
-                _ => format!("{}: {} ⟶   {}", plus_file, old_mode, new_mode),
+                _ => format!(
+                    "{}: {} {} {}",
+                    plus_file, old_mode, config.right_arrow, new_mode
+                ),
             },
             (minus_file, plus_file, _, _) if minus_file == plus_file => format!(
                 "{}{}",
@@ -357,13 +361,14 @@ pub fn get_file_change_description_from_file_paths(
             // minus_file_event == plus_file_event, except in the ModeChange
             // case above.
             (minus_file, plus_file, file_event, _) => format!(
-                "{}{} ⟶   {}",
+                "{}{} {} {}",
                 format_label(match file_event {
                     FileEvent::Rename => &config.file_renamed_label,
                     FileEvent::Copy => &config.file_copied_label,
                     _ => &config.file_modified_label,
                 }),
                 format_file(minus_file),
+                config.right_arrow,
                 format_file(plus_file)
             ),
         }
diff --git a/src/options/set.rs b/src/options/set.rs
index 27a03105..125d4500 100644
--- a/src/options/set.rs
+++ b/src/options/set.rs
@@ -137,6 +137,7 @@ pub fn set_options(
             file_modified_label,
             file_removed_label,
             file_renamed_label,
+            right_arrow,
             hunk_label,
             file_style,
             hunk_header_decoration_style,
@@ -667,6 +668,7 @@ pub mod tests {
     file-modified-label = xxxyyyzzz
     file-removed-label = xxxyyyzzz
     file-renamed-label = xxxyyyzzz
+    right-arrow = xxxyyyzzz
     file-style = black black
     hunk-header-decoration-style = black black
     hunk-header-style = black black
@@ -726,6 +728,7 @@ pub mod tests {
         assert_eq!(opt.file_modified_label, "xxxyyyzzz");
         assert_eq!(opt.file_removed_label, "xxxyyyzzz");
         assert_eq!(opt.file_renamed_label, "xxxyyyzzz");
+        assert_eq!(opt.right_arrow, "xxxyyyzzz");
         assert_eq!(opt.file_style, "black black");
         assert_eq!(opt.hunk_header_decoration_style, "black black");
         assert_eq!(opt.hunk_header_style, "black black");
diff --git a/src/subcommands/show_config.rs b/src/subcommands/show_config.rs
index a36ee4a2..ae45e877 100644
--- a/src/subcommands/show_config.rs
+++ b/src/subcommands/show_config.rs
@@ -54,12 +54,14 @@ pub fn show_config(config: &config::Config, writer: &mut dyn Write) -> std::io::
     file-added-label              = {file_added_label}
     file-modified-label           = {file_modified_label}
     file-removed-label            = {file_removed_label}
-    file-renamed-label            = {file_renamed_label}",
+    file-renamed-label            = {file_renamed_label}
+    right-arrow                   = {right_arrow}",
         true_color = config.true_color,
         file_added_label = format_option_value(&config.file_added_label),
         file_modified_label = format_option_value(&config.file_modified_label),
         file_removed_label = format_option_value(&config.file_removed_label),
         file_renamed_label = format_option_value(&config.file_renamed_label),
+        right_arrow = format_option_value(&config.right_arrow),
     )?;
     writeln!(
         writer,