Refactor directory variable names for uniformity

src/file/file_merge.sh

@@ -47,8 +47,7 @@ file_merge_tree() {
         local prompt_verb="In configuration only"
         local prompt_options="Copy to system"
       fi
-      strategy="$(ask "$prompt_verb: $(tildify "$absolute_path")" "$prompt_options")" ||
-        file_merge_tree "$base_files"
+      strategy="$(ask "$prompt_verb: $(tildify "$absolute_path")" "$prompt_options")"
       log debug "[merge_tree] Chosen strategy: $strategy"
 
       if [ "$strategy" -eq 0 ]; then
@@ -65,6 +64,7 @@ file_merge_tree() {
         return 1
       else
         log user 'Invalid choice'
+        return 1
       fi
     fi
   done

src/package/package_conflict_input_parser.sh

@@ -1,8 +1,8 @@
 package_conflict_input_parser() {
   local packages="$1"
   local conflict_type="$2"
-  local input="$TMP_DIR/package_conflict_input"
-  local input_choices="$TMP_DIR/package_conflict_input_choices"
+  local input="$TMP_ROOT/package_conflict_input"
+  local input_choices="$TMP_ROOT/package_conflict_input_choices"
   local choices=
   local packages_to_install=
   local packages_to_uninstall=

src/package/package_conflict_resolution.sh

@@ -3,18 +3,18 @@ resolve_packages() {
   local input_packages=
 
   # shellcheck disable=SC2154
-  ( echo "$system_packages" > "$TMP_DIR/system_packages"
-    echo "$user_packages" > "$TMP_DIR/user_packages" )
+  ( echo "$system_packages" > "$TMP_ROOT/system_packages"
+    echo "$user_packages" > "$TMP_ROOT/user_packages" )
 
   local packages_not_on_configuration="$(grep -v -x -f \
-    "$TMP_DIR/user_packages" "$TMP_DIR/system_packages" | xargs)"
+    "$TMP_ROOT/user_packages" "$TMP_ROOT/system_packages" | xargs)"
 
   if [ -n "$packages_not_on_configuration" ]; then
     not_on_configuration_dialog "$packages_not_on_configuration"
   fi
 
   local packages_not_installed=$(grep -v -x -f \
-    "$TMP_DIR/system_packages" "$TMP_DIR/user_packages" | xargs)
+    "$TMP_ROOT/system_packages" "$TMP_ROOT/user_packages" | xargs)
 
   if [ -n "$packages_not_installed" ]; then
     not_installed_dialog "$packages_not_installed"

src/utility.sh

@@ -76,10 +76,15 @@ ask() {
   read -r read_answer
   answer="$(echo "$read_answer" | xargs)"
 
-  if [ "$answer" -ge 0 ] 2> /dev/null && [ "$answer" -le $options_count ]; then
+  if [ -z "$answer" ]; then
+    log info "[ask] Invalid choice"
+    echo -1
+    return 1
+  elif [ "$answer" -ge 0 ] 2> /dev/null && [ "$answer" -le $options_count ]; then
     echo "$answer"
   else
-    log debug "[ask] Invalid choice"
+    log info "[ask] Invalid choice"
+    echo -1
     return 1
   fi
 }
@@ -119,12 +124,16 @@ set_opts() {
 }
 
 prepare_directories() {
-  if ! [ -d "$TMP_DIR" ]; then
-    mkdir "$TMP_DIR"
+  if ! [ -d "$TMP_ROOT" ]; then
+    mkdir "$TMP_ROOT"
   fi
 
-  if ! [ -d "$CACHE_DIR" ]; then
-    mkdir -p "$CACHE_DIR"
+  if ! [ -d "$CACHE_ROOT" ]; then
+    mkdir -p "$CACHE_ROOT"
+  fi
+
+  if ! [ -d "$BACKUP_ROOT" ]; then
+    mkdir -p "$BACKUP_ROOT"
   fi
 
   if ! [ -d "$CONFIG_ROOT" ]; then

tori

@@ -5,8 +5,9 @@ main() {
   VERSION="0.5.0 2024-07-18"
   TORI_ROOT="$HOME/.local/share/tori"
   CONFIG_ROOT="$HOME/.config/tori"
-  TMP_DIR="/tmp/tori"
-  CACHE_DIR="$HOME/.cache/tori"
+  BACKUP_ROOT="$HOME/.local/state/tori/backup"
+  TMP_ROOT="/tmp/tori"
+  CACHE_ROOT="$HOME/.cache/tori"
 
   # os-independent state
 
@@ -25,7 +26,7 @@ main() {
 
   ## os-dependent state
   OS="$(get_operating_system)"
-  PACKAGE_CACHE="$CACHE_DIR/${OS}_packages.cache"
+  PACKAGE_CACHE="$CACHE_ROOT/${OS}_packages.cache"
 
   base_files=
   bkp_files=