add sync module

fix remote spaces in helpers
fix few errors in install library

modules/scripting/helpers.lib

@@ -112,8 +112,8 @@ remove_end_spaces () {
     del=${2:-\'}
     # echo delimiter: $del
     # sed -e 's/[[:space:]]\{1,\}$del/$del/' <<< "$1"
-    res=$(sed -e 's/^$del[[:space:]]*/$del/' <<< "$1")
+    res=$(sed -e 's/^'$del'[[:space:]]*/'$del'/' <<< "$1")
-    sed -e 's/[[:space:]]*${del}$/$del/' <<< "$res"
+    sed -e 's/[[:space:]]*'${del}'$/'$del'/' <<< "$res"
 }
 
 # pass any sed ' ' string and comments lines will be ignored

modules/uci-shell-install.lib

@@ -74,6 +74,7 @@ install_shell_host () {
       echo note: use $BASH_SHELL_HOSTNAME/load  directory to load modules and other stuff from  at prompt.
     fi  
   fi  
+  bash $BASH_SHELL_HOST/distro/distro.inst 
 }
 
 install_shell_network () {
@@ -92,7 +93,7 @@ install_shell_network () {
       chown -R ${1:-$USER}:${1:-$USER} $BASH_SHELL_NETWORK
       chmod -R +r $BASH_SHELL_NETWORK
       fi  
-  fi  
+  fi
 }
 
 update_shell_base () {
@@ -105,11 +106,13 @@ update_shell_base () {
   }
 
 update_shell_host () {
-  cd $BASH_SHELL_NETWORK || { echo not directory $BASH_SHELL_NETWORK; return 2; }
+  [[ ! -d $BASH_SHELL_HOST/modules ]] && echo uci shell host repo not installed, run install_shell_host first && return 1 
-  git pull ${UCI_GIT_REMOTE:-origin} master
+  cd $BASH_SHELL_HOST || { echo not directory $BASH_SHELL_HOST; return 2; }
+  git pull ${BASH_SHELL_GIT_REMOTE:-origin} master
   }
 
 update_shell_network () {
+   [[ ! -d $BASH_SHELL_NETWORK/modules ]] && echo uci shell host repo not installed, run install_shell_host first && return 1 
   cd $BASH_SHELL_NETWORK || { echo not directory $BASH_SHELL_NETWORK; return 2; }
-  git pull ${UCI_GIT_REMOTE:-origin} master
+  git pull ${BASH_SHELL_GIT_REMOTE:-origin} master
   }

modules/utility/sync.lib

@@ -0,0 +1,52 @@
+#!/bin/bash
+ 
+  mirror_rootfs () {
+    [[ ! $(command -v rsync) ]] && { echo rsync must be installed to use this function; return 5; }
+    dr="--dry-run"
+
+    dest=$(realpath -s $1)
+    rootfs=$(realpath -s "${2:-/}")
+
+    [ ! -d "$dest" ] && echo destination $dest is not a directory && return 3
+    [ ! -d "$rootfs/etc" ] && echo not root filesystem at $rootfs && return 3
+
+    echo making mirror of root filesystem to 
+    rfse=rootfs_excludes
+    if sudo rsync -axHAWXS $dr --numeric-ids --delete --delete-excluded --force --exclude-from="$(rootfs_excludles)"  / /mnt/adrive/nas/@rootfs; then
+        echo making mirror of boot partition to /mnt/adrive/nas/@rootfs
+        if sudo rsync -axHAWXS $dr --numeric-ids --force --delete  /boot/ /mnt/adrive/nas/@boot; then
+        echo doit
+        else 
+            echo unable to sync a copy of /boot, aborted backup    
+        fi
+    else
+        echo unable to sync a copy of root file system, backkup failed
+    fi
+}
+
+rootfs_excludes () {
+
+local list; local delete
+[[ $1 == "-l" ]] && list=true && shift   
+[[ $1 == "-r" ]] && delete=true && shift
+[[ "$1" == "-"* ]] && >&2 echo bad option, aborting && return 1
+rfse=${1:-/tmp/rootfs_excludes.lst}
+[[ $delete ]] && rm $rfse
+cat <<EOF > $rfse
+.[Tt]rash*
+tmp/
+cache/
+log/
+log[s]/
+lost+found
+EOF
+if [[ $list ]];then
+    cat $rfse; rm -f $rfse  
+    else
+    echo $rfse
+fi
+}
+
+mountpoints () {
+cat /proc/mounts | cut -d ' ' -f2 | sort
+}