From: Mike Frysinger <vapier@gentoo.org>
Date: Sat, 19 Aug 2017 18:56:12 +0000 (-0400)
Subject: imgcrush: wrapper around diff crush tools
X-Git-Url: https://git.wh0rd.org/?a=commitdiff_plain;h=7fa03a9c82c7e1e23fb0b3f8097ddb6dff0666d3;p=home.git

imgcrush: wrapper around diff crush tools
---

diff --git a/.bin/imgcrush b/.bin/imgcrush
new file mode 100755
index 0000000..3f04460
--- /dev/null
+++ b/.bin/imgcrush
@@ -0,0 +1,38 @@
+#!/bin/bash
+
+usage() {
+	cat <<EOF
+Usage: imgcrush [options] <files>
+EOF
+	exit ${1:-0}
+}
+
+crush_jpg() {
+	jpegoptim "$1"
+}
+
+crush_png() {
+	# apngopt likes to corrupt images.
+	pngcrush -e .png.new "$1"
+	mv "${png}.new" "${png}"
+}
+
+crush() {
+	case $1 in
+	*.jpg|*.jpeg) crush_jpg "$1" ;;
+	*.png)        crush_png "$1" ;;
+	esac
+}
+
+main() {
+	set -e
+
+	while [[ $# -ne 0 ]] ; do
+		case $1 in
+		-h) usage ;;
+		-*) usage 1 ;;
+		*)  crush "$1" ;;
+		esac
+	done
+}
+main "$@"