From 01d92285ef4402b188fa583d57f5d1a18c889d22 Mon Sep 17 00:00:00 2001
From: Cyan <cyan.joeng@outlook.com>
Date: Wed, 28 Dec 2022 12:43:35 +0000
Subject: [PATCH] feat(git): git_commits shows the current branch graph 
 (#2288)

Co-authored-by: Cyan Joeng <cyan.joeng@gmail.com>
---
 lua/telescope/builtin/__git.lua |  5 ++---
 lua/telescope/make_entry.lua    | 18 ++++++++++++++----
 2 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/lua/telescope/builtin/__git.lua b/lua/telescope/builtin/__git.lua
index 1b9d0fa..2228180 100644
--- a/lua/telescope/builtin/__git.lua
+++ b/lua/telescope/builtin/__git.lua
@@ -56,7 +56,7 @@ end
 
 git.commits = function(opts)
   opts.entry_maker = vim.F.if_nil(opts.entry_maker, make_entry.gen_from_git_commits(opts))
-  local git_command = vim.F.if_nil(opts.git_command, { "git", "log", "--pretty=oneline", "--abbrev-commit", "--", "." })
+  local git_command = vim.F.if_nil(opts.git_command, { "git", "log", "--graph", "--oneline", "--decorate", "--", "." })
 
   pickers
     .new(opts, {
@@ -115,8 +115,7 @@ git.bcommits = function(opts)
   opts.current_line = (opts.current_file == nil) and get_current_buf_line(opts.winnr) or nil
   opts.current_file = vim.F.if_nil(opts.current_file, vim.api.nvim_buf_get_name(opts.bufnr))
   opts.entry_maker = vim.F.if_nil(opts.entry_maker, make_entry.gen_from_git_commits(opts))
-  local git_command =
-    vim.F.if_nil(opts.git_command, { "git", "log", "--pretty=oneline", "--abbrev-commit", "--follow" })
+  local git_command = vim.F.if_nil(opts.git_command, { "git", "log", "--graph", "--oneline", "--decorate", "--follow" })
 
   pickers
     .new(opts, {
diff --git a/lua/telescope/make_entry.lua b/lua/telescope/make_entry.lua
index 3843e5d..2532997 100644
--- a/lua/telescope/make_entry.lua
+++ b/lua/telescope/make_entry.lua
@@ -431,17 +431,27 @@ function make_entry.gen_from_git_commits(opts)
       return nil
     end
 
-    local sha, msg = string.match(entry, "([^ ]+) (.+)")
+    local marker, sha, msg = string.match(entry, "([*\\/| ]+) +([0-9a-f]*) +(.*)")
+
+    if not sha then
+      marker = entry
+      sha = ""
+      msg = ""
+    end
 
     if not msg then
-      sha = entry
       msg = "<empty commit message>"
     end
 
+    marker, _ = string.gsub(marker, "\\", "+")
+    marker, _ = string.gsub(marker, "/", "-")
+    marker, _ = string.gsub(marker, "+", "/")
+    marker, _ = string.gsub(marker, "-", "\\")
+
     return make_entry.set_default_entry_mt({
       value = sha,
-      ordinal = sha .. " " .. msg,
-      msg = msg,
+      ordinal = marker .. " " .. sha .. " " .. msg,
+      msg = marker .. " " .. msg,
       display = make_display,
       current_file = opts.current_file,
     }, opts)