From d1f6a29b59f2f4e50256954432c69b438e85a9bb Mon Sep 17 00:00:00 2001
From: David Barbion <davidb@230ruedubac.fr>
Date: Tue, 1 Feb 2022 09:08:30 +0100
Subject: [PATCH] feat: add 2 new linux scripts

* mountOverlay.sh allows mounting a SD card or usb key with overlay
* diffConfig.sh show changes in defconfig even if order of items changed
---
 scripts/linux/diffConfig.sh   | 62 +++++++++++++++++++++++++++++++++++
 scripts/linux/mountOverlay.sh | 26 +++++++++++++++
 2 files changed, 88 insertions(+)
 create mode 100755 scripts/linux/diffConfig.sh
 create mode 100755 scripts/linux/mountOverlay.sh

diff --git a/scripts/linux/diffConfig.sh b/scripts/linux/diffConfig.sh
new file mode 100755
index 0000000000..48ff4388db
--- /dev/null
+++ b/scripts/linux/diffConfig.sh
@@ -0,0 +1,62 @@
+#!/bin/bash
+
+SHOW_FULL=false
+if [ "$2" = "-f" ]; then
+    SHOW_FULL=true
+fi
+
+mapfile -t ADDED   < <(git diff "$1" |grep -E '^(\+)[^+]' | sed 's/^.//')
+mapfile -t REMOVED < <(git diff "$1" |grep -E '^(\-)[^-]' | sed 's/^.//')
+
+is_removed() {
+  local to_check="$1"
+  for x in "${REMOVED[@]}"; do
+      [ "$to_check" = "$x" ] && return 0
+  done
+  return 1
+}
+
+is_added() {
+  local to_check="$1"
+  for x in "${ADDED[@]}"; do
+      [ "$to_check" = "$x" ] && return 0
+  done
+  return 1
+}
+
+total_added=()
+total_removed=()
+total_changed=()
+
+for i in "${ADDED[@]}"; do
+  if is_added "$i" && ! is_removed "$i" ; then
+    total_added+=("$i")
+  fi 
+done
+for i in "${REMOVED[@]}"; do
+  if ! is_added "$i" && is_removed "$i"; then
+    total_removed+=("$i")
+  fi 
+done
+for i in "${ADDED[@]}"; do
+  if is_added "$i" && is_removed "$i"; then
+    total_changed+=("$i")
+  fi 
+done
+
+if [ ${#total_added[*]} -gt 0 ]; then
+  echo "+++ added:"
+  printf '\e[32m%s\e[0m\n' "${total_added[@]}"
+fi
+
+if [ ${#total_removed[*]} -gt 0 ]; then
+  echo "--- removed:"
+  printf '\e[31m%s\e[0m\n' "${total_removed[@]}"
+fi
+
+if [ $SHOW_FULL = true ] && [ ${#total_changed[*]} -gt 0 ]; then
+  echo "§§§ Postition changed:"
+  printf '\e[33m%s\e[0m\n' "${total_changed[@]}"
+fi
+
+
diff --git a/scripts/linux/mountOverlay.sh b/scripts/linux/mountOverlay.sh
new file mode 100755
index 0000000000..3083a91bd3
--- /dev/null
+++ b/scripts/linux/mountOverlay.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+
+if [ -z "$1" ]; then
+    echo "missing device" >&2 
+    echo "please specify sdcard (/dev/mmcblk0) of usb key (/dev/sdb)" >&2
+    exit 1
+fi
+
+DEVICE="$1"
+if [[ "$DEVICE" =~ mmcblk ]]; then
+    BOOTDEVICE="${DEVICE}p1"
+else
+    BOOTDEVICE="${DEVICE}1"
+fi
+
+
+mkdir -p /tmp/recalbox/lower /tmp/recalbox/upper /tmp/recalbox/work /tmp/recalbox/boot /tmp/recalbox/root
+sudo mount "$BOOTDEVICE" /tmp/recalbox/boot || exit 1
+sudo mount /tmp/recalbox/boot/boot/recalbox /tmp/recalbox/lower || exit 1
+sudo mount -t overlay overlay -o rw,lowerdir=/tmp/recalbox/lower,upperdir=/tmp/recalbox/upper,workdir=/tmp/recalbox/work /tmp/recalbox/root || exit 1
+
+echo "root file system is accessible from /tmp/recalbox/root"
+echo "once finished:"
+echo "umount /tmp/recalbox/root"
+echo "umount /tmp/recalbox/lower"
+echo "umount /tmp/recalbox/boot"
-- 
GitLab