From ead4edecbb37578a44f171c56715bf44386096a0 Mon Sep 17 00:00:00 2001
From: Jybz <j.biernacki@free.fr>
Date: Sat, 15 Aug 2020 23:27:55 +0200
Subject: add extras Checksum, signature, compression.

---
 create_arm_image.sh | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/create_arm_image.sh b/create_arm_image.sh
index d28076a..48e59b0 100755
--- a/create_arm_image.sh
+++ b/create_arm_image.sh
@@ -743,6 +743,25 @@ function clean()
 }
 
 
+function generateExtra()
+{
+    if [ ${GEN_CHECKSUM} ] ; then 
+        title "Generate checksum"
+        md5sum "${INSTALL_PATH}/${IMAGE}" > "${INSTALL_PATH}/${IMAGE}.md5"
+        sha512sum "${INSTALL_PATH}/${IMAGE}" > "${INSTALL_PATH}/${IMAGE}.sha512"
+    fi
+    if [ ${GEN_GZ} ] ; then 
+        title "Image compression"
+        pv "${INSTALL_PATH}/${IMAGE}" | gzip -9 >"${INSTALL_PATH}/${IMAGE}.gz"
+    fi
+    if [ ${GEN_SIGN} ]; then
+        pushd "${INSTALL_PATH}"
+        gpg --sign ${IMAGE}.md5
+        gpg --sign ${IMAGE}.sha512
+        popd
+    fi
+}
+
 function preImgCreation()
 {
     error "This function is called if no sourced file about fdisk was lauched."
-- 
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