From a028f3a0912478c5a828a9f5dc2d1da309d7fd63 Mon Sep 17 00:00:00 2001
From: oxeo0 <oxeo0@mail.nomail>
Date: Sun, 23 Mar 2025 18:09:25 +0100
Subject: [PATCH 1/2] add webp compression script

---
 imagecompress.sh | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 imagecompress.sh

diff --git a/imagecompress.sh b/imagecompress.sh
new file mode 100644
index 0000000..9c309dd
--- /dev/null
+++ b/imagecompress.sh
@@ -0,0 +1,43 @@
+#!/bin/bash
+
+# Run before executing:
+# sudo apt install webp parallel
+
+# Script will compress all images in directory given in the first parameter.
+# JPEGs are lossy compressed, PNGs are losslessly compressed
+# $ ./imagecompress.sh  # current directory
+# $ ./imagecompress.sh opsec/  # specified directory
+# Already compressed WebP image will be kept, it only cares about image/png and image/jpeg mime.
+# Compression commands are run in parallel using all available cores but it can take some time at first.
+
+# WARNING:
+# cwebp by default removes all EXIF, XMP and ICC tags.
+# Images rotated only through Exif tag can have wrong orientation after compression.
+# However we shouldn't have too much Exif here anyways.
+
+DIR="${1:-$(pwd)}"
+
+calculate_size() {
+    du -sh --exclude='.git' "$1" | awk '{print $1}'
+}
+
+initial_size=$(calculate_size "$DIR")
+
+echo "Updating JPEGs"
+
+# Lossy compression for JPEGs
+find "$DIR" -print0 | parallel -0 '
+    [[ $(file --mime-type -b "{}") == "image/jpeg" ]] &&
+    cwebp "{}" -q 65 -m 6 -o "{}"
+'
+
+echo "Updating PNGs"
+
+# Lossless compression for PNGs
+find "$DIR" -print0 | parallel -0 '
+    [[ $(file --mime-type -b "{}") == "image/png" ]] &&
+    cwebp "{}" -q 100 -m 6 -lossless -o "{}"
+'
+
+final_size=$(calculate_size "$DIR")
+echo "Compressed $initial_size -> $final_size

From 4fc124448cffab0813991238f7e683d2610c3cb6 Mon Sep 17 00:00:00 2001
From: oxeo0 <oxeo0@mail.nomail>
Date: Sun, 23 Mar 2025 18:11:12 +0100
Subject: [PATCH 2/2] fix quote

---
 imagecompress.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/imagecompress.sh b/imagecompress.sh
index 9c309dd..e1ff897 100644
--- a/imagecompress.sh
+++ b/imagecompress.sh
@@ -40,4 +40,4 @@ find "$DIR" -print0 | parallel -0 '
 '
 
 final_size=$(calculate_size "$DIR")
-echo "Compressed $initial_size -> $final_size
+echo "Compressed $initial_size -> $final_size"