From ea6aa1b50f50fa89de9116d25ce8d8e33040c485 Mon Sep 17 00:00:00 2001
From: Alex Kotliarskyi <alex.frantic@gmail.com>
Date: Thu, 28 Dec 2017 11:41:30 -0800
Subject: [PATCH] Mercurial support

---
 README.md     | 15 +++++++++++++++
 diff-so-fancy | 10 ++++++++++
 2 files changed, 25 insertions(+)

diff --git a/README.md b/README.md
index ae5ff9a..9a7b519 100644
--- a/README.md
+++ b/README.md
@@ -17,11 +17,26 @@ Installation is as simple as downloading the [diff-so-fancy](https://raw.githubu
 
 ## Usage
 
+### Git
+
 Configure git to use `diff-so-fancy` for all diff output:
 ```shell
 git config --global core.pager "diff-so-fancy | less --tabs=4 -RFX"
 ```
 
+### Mercurial
+
+```shell
+hg config --edit
+```
+
+Add
+
+```
+[pager]
+pager = diff-so-fancy | less --tabs=4 -RFX
+```
+
 ### Improved colors for the highlighted bits
 
 The default Git colors are not optimal. We suggest the following colors instead.
diff --git a/diff-so-fancy b/diff-so-fancy
index be81d6e..9b5f168 100755
--- a/diff-so-fancy
+++ b/diff-so-fancy
@@ -145,6 +145,16 @@ sub do_dsf_stuff {
 		# Look for the filename #
 		#########################
 		} elsif ($line =~ /^${ansi_color_regex}diff --(git|cc) (.*?)(\s|\e|$)/) {
+			$last_file_seen = $5;
+			$last_file_seen =~ s|^\w/||; # Remove a/ (and handle diff.mnemonicPrefix).
+			$in_hunk = 0;
+		###################################################################
+		# Mercurial prints git's equivalent of diff and index in one line #
+		###################################################################
+		} elsif ($line =~ /^${ansi_color_regex}diff -r (.*?)(\s|\e|$)/) {
+			$meta_color = $1 || DiffHighlight::color_config('color.diff.meta',"\e[38;5;11m");
+			print horizontal_rule($meta_color);
+
 			$last_file_seen = $5;
 			$last_file_seen =~ s|^\w/||; # Remove a/ (and handle diff.mnemonicPrefix).
 			$in_hunk = 0;