Lang update (#13622)

* Update fix model

* updated

* List missing files

* Orca Slicer to OrcaSlicer

* Revert "Orca Slicer to OrcaSlicer"

This reverts commit 711d796e05c4eaaa7579280f83f6ecd555fe3560.

* Only update date if a change was made

* Gcodewriter messages

* #13432 update

* Update OrcaSlicer_it.po

scripts/run_gettext.sh

@@ -4,6 +4,51 @@
 #  Created by SoftFever on 27/5/23.
 #
 
+list_file="./localization/i18n/list.txt"
+pot_file="./localization/i18n/OrcaSlicer.pot"
+filtered_list=""
+missing_list=""
+generated_root_dir=""
+
+report_missing_files()
+{
+    if [ -n "$missing_list" ] && [ -s "$missing_list" ]; then
+        echo
+        echo "Skipped missing source files listed in ${list_file}:"
+        while IFS= read -r missing || [ -n "$missing" ]; do
+            echo "  - $missing"
+        done < "$missing_list"
+    fi
+}
+
+cleanup_temp_files()
+{
+    [ -n "$filtered_list" ] && rm -f "$filtered_list"
+    [ -n "$missing_list" ] && rm -f "$missing_list"
+    [ -n "$generated_root_dir" ] && rm -rf "$generated_root_dir"
+}
+
+files_equal_ignoring_pot_date()
+{
+    file_a=$1
+    file_b=$2
+    norm_a=$(mktemp)
+    norm_b=$(mktemp)
+
+    sed '/^"POT-Creation-Date: /d' "$file_a" > "$norm_a"
+    sed '/^"POT-Creation-Date: /d' "$file_b" > "$norm_b"
+
+    if cmp -s "$norm_a" "$norm_b"; then
+        rm -f "$norm_a" "$norm_b"
+        return 0
+    fi
+
+    rm -f "$norm_a" "$norm_b"
+    return 1
+}
+
+trap 'report_missing_files; cleanup_temp_files' EXIT
+
 # Check for --full argument
 FULL_MODE=false
 for arg in "$@"
@@ -14,21 +59,66 @@ do
 done
 
 if $FULL_MODE; then
-    xgettext --keyword=L --keyword=_L --keyword=_u8L --keyword=L_CONTEXT:1,2c --keyword=_L_PLURAL:1,2 --add-comments=TRN --from-code=UTF-8 --no-location --debug --boost -f ./localization/i18n/list.txt -o ./localization/i18n/OrcaSlicer.pot
-    python3 scripts/HintsToPot.py ./resources ./localization/i18n
+    filtered_list=$(mktemp)
+    missing_list=$(mktemp)
+    has_sources=false
+
+    while IFS= read -r entry || [ -n "$entry" ]; do
+        case "$entry" in
+            ""|\#*)
+                printf '%s\n' "$entry" >> "$filtered_list"
+                ;;
+            *)
+                if [ -f "$entry" ]; then
+                    printf '%s\n' "$entry" >> "$filtered_list"
+                    has_sources=true
+                else
+                    printf '%s\n' "$entry" >> "$missing_list"
+                fi
+                ;;
+        esac
+    done < "$list_file"
+
+    if $has_sources; then
+        generated_root_dir=$(mktemp -d)
+        generated_i18n_dir="${generated_root_dir}/i18n"
+        generated_pot_file="${generated_i18n_dir}/OrcaSlicer.pot"
+
+        mkdir -p "$generated_i18n_dir"
+        xgettext --keyword=L --keyword=_L --keyword=_u8L --keyword=L_CONTEXT:1,2c --keyword=_L_PLURAL:1,2 --add-comments=TRN --from-code=UTF-8 --no-location --debug --boost -f "$filtered_list" -o "$generated_pot_file"
+        python3 scripts/HintsToPot.py ./resources "$generated_i18n_dir"
+
+        if [ -f "$pot_file" ] && files_equal_ignoring_pot_date "$pot_file" "$generated_pot_file"; then
+            echo "No changes detected in ${pot_file}; keeping existing file."
+        else
+            mv "$generated_pot_file" "$pot_file"
+        fi
+    else
+        echo "No existing source files found in ${list_file}; skipping template regeneration."
+    fi
 fi
 
 
 echo "$0: working dir = $PWD"
-pot_file="./localization/i18n/OrcaSlicer.pot"
 for dir in ./localization/i18n/*/
 do
     dir=${dir%*/}      # remove the trailing "/"
     lang=${dir##*/}    # extract the language identifier
 
     if [ -f "$dir/OrcaSlicer_${lang}.po" ]; then
-        if $FULL_MODE; then
-            msgmerge -N -o "$dir/OrcaSlicer_${lang}.po" "$dir/OrcaSlicer_${lang}.po" "$pot_file"
+        if $FULL_MODE && [ -f "$pot_file" ]; then
+            merged_po=$(mktemp)
+            if ! msgmerge -N -o "$merged_po" "$dir/OrcaSlicer_${lang}.po" "$pot_file"; then
+                echo "Error encountered with msgmerge command for language ${lang}."
+                rm -f "$merged_po"
+                exit 1
+            fi
+
+            if files_equal_ignoring_pot_date "$dir/OrcaSlicer_${lang}.po" "$merged_po"; then
+                rm -f "$merged_po"
+            else
+                mv "$merged_po" "$dir/OrcaSlicer_${lang}.po"
+            fi
         fi
         mkdir -p "resources/i18n/${lang}"
         if ! msgfmt --check-format -o "resources/i18n/${lang}/OrcaSlicer.mo" "$dir/OrcaSlicer_${lang}.po"; then