add Flash rescue (from Brazilian team)

1 files changed, 106 insertions, 0 deletions

diff --git a/rescue-Flash/scripts/backup_systemloop b/rescue-Flash/scripts/backup_systemloop
new file mode 100755
index 000000000..65c3185e6
--- /dev/null
+++ b/rescue-Flash/scripts/backup_systemloop
@@ -0,0 +1,106 @@
+#!/bin/bash
+
+# import functions library
+source rescue_common
+
+tmpdir="/tmp/flash-rescue-root"
+rootdir="$tmpdir/pen"
+
+function prepare() {
+
+    mkdir -p $rootdir
+
+    if ! mount_usbroot $rootdir; then
+        return 1
+    fi
+
+    if [ x"$version" = x"1.0" ]; then
+        mkdir -p $tmpdir/shared
+        if ! mount_sharedroot $tmpdir/shared; then
+            return 1
+        fi
+    fi
+
+    if [ ! -d $dir ]; then
+        mkdir $dir
+    fi
+
+    return 0
+}
+
+function doit() {
+
+    clear
+    echo
+    echo -n 'Creating backup file. This can take some time:  '
+
+    bzip2 -c $loop > $target 2> /tmp/rescue-backup.err &
+
+    sleep 2
+
+    while ps | grep -q bzip2; do
+        progress
+    done
+
+    sync
+
+    echo
+    echo
+
+    errsize=$(ls -la /tmp/rescue-backup.err | cut -d' ' -f5)
+    if [ $errsize -ne 0 ]; then
+        echo "Error compressing user files into $target"
+        return 1
+    else
+        echo 'Backup file created!'
+    fi
+
+    echo
+
+    return 0
+}
+
+function cleanup() {
+
+    if [ x"$version" = x"1.0" ]; then
+        umount $tmpdir/shared > /dev/null 2>&1
+        rmdir $tmpdir/shared
+    fi
+
+    umount $rootdir > /dev/null 2>&1
+    rmdir $rootdir $tmpdir 2> /dev/null
+
+    return 0
+}
+
+clear
+trap cleanup SIGINT
+
+version=""
+if ! insert_pendrive; then
+    exit 1
+fi
+
+if [ x"$version" = x"1.0" ]; then
+    dir="$tmpdir/shared/backup"
+    loop="$rootdir/loopbacks/system.loop"
+else
+    dir="$rootdir/backup"
+    loop="$rootdir/.loopbacks/system.loop"
+fi
+
+file="backup-$(date +%Y%m%d).bz2"
+target="$dir/$file"
+
+if ! prepare; then
+    cleanup
+    exit 1
+fi
+
+if ! doit; then
+    cleanup
+    exit 1
+fi
+
+cleanup
+exit 0