Merge 08786d64e8 into d800d356ca

Signed-off-by: Dominik Willner <th33xitus@gmail.com>

kiauh.sh

@@ -82,6 +82,7 @@ function kiauh_update_dialog() {
 }
 
 check_euid
+check_free_space
 init_logfile
 set_globals
 kiauh_update_dialog

scripts/backup.sh

@@ -43,15 +43,17 @@ function backup_config_dir() {
 
     local i=0 folder folder_name target_dir
     for folder in ${config_pathes}; do
-      status_msg "Create backup of ${folder} ..."
-
-      folder_name=$(echo "${folder}" | rev | cut -d"/" -f2 | rev)
-      target_dir="${BACKUP_DIR}/configs/${current_date}/${folder_name}"
-      mkdir -p "${target_dir}"
-      cp -r "${folder}" "${target_dir}"
-      i=$(( i + 1 ))
-
-      ok_msg "Backup created in:\n${target_dir}"
+      if [[ -d ${folder} ]]; then
+        status_msg "Create backup of ${folder} ..."
+  
+        folder_name=$(echo "${folder}" | rev | cut -d"/" -f2 | rev)
+        target_dir="${BACKUP_DIR}/configs/${current_date}/${folder_name}"
+        mkdir -p "${target_dir}"
+        cp -r "${folder}" "${target_dir}"
+        i=$(( i + 1 ))
+  
+        ok_msg "Backup created in:\n${target_dir}"
+      fi
     done
   else
     ok_msg "No config directory found! Skipping backup ..."

scripts/utilities.sh

@@ -28,6 +28,29 @@ function check_euid() {
   fi
 }
 
+function check_free_space() {
+  local mount_free mb_rec=2048
+  local mount_check_regex='^/($|bin|etc|home|lib|mnt|opt|root|sbin|tmp|usr|var)' # all root dirs possibly relevant to software install
+  for mount_check in $(cat /etc/mtab | grep '^/dev' | cut -d ' ' -f 2 | grep -E '${mount_check_regex}'); do
+    mount_free=$(($(df -Pk ${mount_check} | sed 1d | grep -v used | awk '{ print $4 "\t" }')/1024))
+    if [[ ${mount_free} -lt ${mb_req} ]]; then
+      local yn
+      while true; do
+        echo -e "${yellow}Heads up! Free disk space in ${white}${mount_check}${yellow} is only ${white}${mount_free} MB${yellow}.${white}"
+        read -p "${yellow}You may run into errors installing or updating software that uses this mountpoint. Proceed? (y|N): ${white}" yn
+        case "${yn}" in
+          Y|y|Yes|yes)
+            break;;
+          N|n|No|no|"")
+            exit 1;;
+          *)
+            echo -e "${red}Please answer "y" or "n"${white}";;
+        esac
+      done
+    fi
+  done
+}
+
 #================================================#
 #============= MESSAGE FORMATTING ===============#
 #================================================#