feat: [ulnfs] migrate filename from dlnfs to ulnfs

assets/scripts/99dfm-ulnfs-automount

@@ -5,3 +5,8 @@
 echo "\ndfm_INFO: start main script to mount ulnfs at" $(date "+%Y-%m-%d %H:%M:%S.%3N")
 [ -f /etc/deepin/dde-file-manager/dfm-ulnfs-automount ] && bash /etc/deepin/dde-file-manager/dfm-ulnfs-automount &
 echo "dfm_INFO: end main script at" $(date "+%Y-%m-%d %H:%M:%S.%3N")
+
+echo "\ndfm_INFO: start migrate filename from dlnfs to ulnfs at" $(date "+%Y-%m-%d %H:%M:%S.%3N")
+[ -f /etc/deepin/dde-file-manager/dfm_migrate_filename_from_dlnfs_to_ulnfs ] && \
+    bash /etc/deepin/dde-file-manager/dfm_migrate_filename_from_dlnfs_to_ulnfs &
+echo "dfm_INFO: end migrate at" $(date "+%Y-%m-%d %H:%M:%S.%3N")

assets/scripts/dfm_migrate_filename_from_dlnfs_to_ulnfs

@@ -0,0 +1,159 @@
+#!/bin/bash
+
+# SPDX-FileCopyrightText: 2024 UnionTech Software Technology Co., Ltd.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+
+if [ -z $dry_run ]; then dry_run=0; fi
+
+# migrate for a dir entry
+migrate_for_dentry()
+{
+    dir_path="$1"
+    short_name="$2"
+    long_name="$3"
+
+    if [ "$short_name" == "$long_name" ]; then return 0; fi
+
+    short_path="$dir_path/$short_name"
+    long_path="$dir_path/$long_name"
+
+    if [ -L "$short_path" ]
+    then
+        target=`readlink "$short_path"`
+        if [ $dry_run -eq 0 ]
+        then
+            ln -s "$target" "$long_path" >/dev/null 2>&1
+        else
+            echo symlink "$long_path" to "$target"
+        fi
+        # no rm $short_path
+    else
+        if [ $dry_run -eq 0 ]
+        then
+            mv -n "$short_path" "$long_path" >/dev/null 2>&1
+        else
+            echo move "$short_path" to "$long_path"
+        fi
+    fi
+}
+
+# migrate for a dir
+migrate_for_dir()
+{
+    dir_path="$1"
+    data_file_path="$dir_path/.longname"
+
+    first_line=1
+    short_name=""
+    while IFS= read -r line; do
+        # check data file version
+        if [ $first_line -eq 1 ]
+        then
+            if [ "$line" != "version=1.0" ]
+            then
+                echo "dfm_WARNING: .longname version not support, $data_file_path"
+                break
+            fi
+            first_line=0
+            continue
+        fi
+
+        # rename short name to long name
+        if [ -z "$short_name" ]
+        then
+            short_name="$line"
+        else
+            long_name="$line"
+            migrate_for_dentry "$dir_path" "$short_name" "$long_name"
+            short_name=""
+        fi
+    done < "$data_file_path"
+
+    if [ $dry_run -eq 0 ]
+    then
+        mv "$data_file_path" "${data_file_path}~" >/dev/null 2>&1
+    fi
+}
+
+# migrate for a mount point
+migrate_for_mount_point()
+{
+    mount_point="$1"
+
+    if [ $dry_run -eq 1 ]
+    then
+        echo "================ $mount_point ================"
+    fi
+
+    # process the directories under the mount point in a bottom-up order
+    # the fs type where the directory is located is ulnfs, and there is a .longname file in the dir
+    find "$mount_point" -depth -type d -fstype ulnfs -exec test -f '{}'/.longname \; -print0 |
+        while IFS= read -r -d '' data_file_dir; do
+            migrate_for_dir "$data_file_dir"
+        done
+}
+
+# migrate for all mount point
+migrate_for_mount_points()
+{
+    default_paths=`dde-dconfig --get -a org.deepin.dde.file-manager -r org.deepin.dde.file-manager -k  dfm.mount.dlnfs.defaults`
+
+    formats='"[ " ]'
+    for path in $default_paths
+    do
+        contains=$(echo $formats | grep -F "${path}")
+        if [ "$contains" != "" ]; then
+            continue
+        fi
+
+        # remove quotes and commas
+        path=${path//'"'/}
+        path=${path//','/}
+        abs_path=$path
+
+        env_path=`echo $path | grep -o '\$[^/]*'` # env_path = $HOME
+
+        if [ "$env_path" != "" ]; then
+            env_var=${env_path//'$'/}  # env_var = HOME
+            abs_env_path=`echo ${!env_var}` # abs_env_path = /home/$USER
+            abs_path=${path/$env_path/$abs_env_path}  #path = /home/xxxx/xxxx
+        fi
+
+        if [ ! -d $abs_path ]; then
+            echo "dfm_WARNING: $abs_path do not exist"
+            continue
+        fi
+
+        migrate_for_mount_point $abs_path
+    done
+}
+
+migrate_filename()
+{
+    # check if we finished the migrate
+    if [ -f $HOME/.config/deepin/migrate_filename_from_dlnfs_to_ulnfs_finished ]
+    then
+        echo "file name migration has been done"
+        return 0
+    fi
+
+    # check if we should do a migration
+    ulnfs_enable=`dde-dconfig --get -a org.deepin.dde.file-manager -r org.deepin.dde.file-manager -k dfm.mount.ulnfs`
+    if [[ "$ulnfs_enable" != "true" ]]; then return 0; fi
+
+    migrate_for_mount_points
+
+    touch $HOME/.config/deepin/migrate_filename_from_dlnfs_to_ulnfs_finished
+    echo "complete file name migration"
+}
+
+if [ "$test_dir" ]
+then
+    migrate_for_mount_point "$test_dir"
+else
+    migrate_filename
+fi
+
+exit 0

debian/dde-file-manager.install

@@ -29,3 +29,4 @@ etc/X11/Xsession.d/99dfm-dlnfs-automount
 etc/deepin/dde-file-manager/dfm-dlnfs-automount
 etc/X11/Xsession.d/99dfm-ulnfs-automount
 etc/deepin/dde-file-manager/dfm-ulnfs-automount
+etc/deepin/dde-file-manager/dfm_migrate_filename_from_dlnfs_to_ulnfs

src/dfm-base/CMakeLists.txt

@@ -187,6 +187,9 @@ install(FILES ${ULNFS_SCRIPT} DESTINATION ${CMAKE_INSTALL_SYSCONFDIR}/deepin/dde
 set(ULNFS_SCRIPT_LAUNCHER ${AssetsPath}/scripts/99dfm-ulnfs-automount)
 install(FILES ${ULNFS_SCRIPT_LAUNCHER} DESTINATION ${CMAKE_INSTALL_SYSCONFDIR}/X11/Xsession.d)
 
+set(MIGRATE_FILENAME_SCRIPT ${AssetsPath}/scripts/dfm_migrate_filename_from_dlnfs_to_ulnfs)
+install(FILES ${MIGRATE_FILENAME_SCRIPT} DESTINATION ${CMAKE_INSTALL_SYSCONFDIR}/deepin/dde-file-manager)
+
 set(Mimetypes "${ShareDir}/mimetypes")
 FILE(GLOB MIMETYPE_FILES ${AssetsPath}/mimetypes/*)
 install(FILES ${MIMETYPE_FILES} DESTINATION ${Mimetypes})