From: Mike Frysinger <vapier@gentoo.org>
Date: Tue, 10 Nov 2020 08:50:45 +0000 (-0500)
Subject: diff-highlight: handle newer git versions
X-Git-Url: https://git.wh0rd.org/?p=home.git;a=commitdiff_plain;h=a1c9eda1a7e269d67f395d007f756209edbe8acc

diff-highlight: handle newer git versions

It seems git has stopped providing this tool precompiled, so we have
to build it up ourselves.
---

diff --git a/.bin/diff-highlight b/.bin/diff-highlight
new file mode 100755
index 0000000..940d802
--- /dev/null
+++ b/.bin/diff-highlight
@@ -0,0 +1,33 @@
+#!/bin/sh
+
+set -e
+
+SCRIPT="$(readlink -f "$0")"
+TARGET="${SCRIPT}.real"
+
+main() {
+	# Some (old?) versions of git provided the compiled script.
+	d="/usr/share/doc/git/contrib/diff-highlight"
+	if [ -x "${d}/diff-highlight" ] ; then
+		exec "${d}/diff-highlight"
+	fi
+
+	# See if we need to bootstrap first.
+	if [ ! -x "${TARGET}" ] && [ -e "${d}" ] ; then
+		(
+		echo "#!/usr/bin/env perl"
+		cat "${d}/DiffHighlight.pm" "${d}/diff-highlight.perl"
+		) >"${TARGET}"
+		chmod a+rx "${TARGET}"
+	fi
+
+	# If we've already bootstrapped, use it.
+	if [ -x "${TARGET}" ] ; then
+		exec "${TARGET}" "$@"
+	else
+		# Fallback so .gitconfig setings always work.
+		exec cat
+	fi
+}
+
+main "$@"
diff --git a/.gitignore b/.gitignore
index 7f95ddf..df28d59 100644
--- a/.gitignore
+++ b/.gitignore
@@ -412,7 +412,9 @@ lock
 
 # per-system files
 /.asoundrc
+/.bin/diff-highlight.real
 /.bin/gsutil
+/.bin/repo*
 /.boto*
 /.chrome-remote-desktop-session
 /.forward