[PATCH 26/41] robocopy: add dry run flag (/L)
Florian Eder
others.meder at gmail.com
Mon Sep 6 09:55:03 CDT 2021
Implements the /L switch, which causes robocopy to do no real
copy / move / delete operation
Signed-off-by: Florian Eder <others.meder at gmail.com>
---
programs/robocopy/main.c | 22 ++++++++++++++++------
programs/robocopy/robocopy.h | 1 +
2 files changed, 17 insertions(+), 6 deletions(-)
diff --git a/programs/robocopy/main.c b/programs/robocopy/main.c
index 41ed29f1725..4f1b07e8954 100644
--- a/programs/robocopy/main.c
+++ b/programs/robocopy/main.c
@@ -177,6 +177,11 @@ static void parse_arguments(int argc, WCHAR *argv[])
if (!options.user_limited_subdirectories_depth)
options.max_subdirectories_depth = 0;
}
+ /* l - Dry Run */
+ else if (!wcsicmp(argv[i], L"/l"))
+ {
+ options.dry_run = TRUE;
+ }
/* mov - Delete files (but not folders) after copying them */
else if (!wcsicmp(argv[i], L"/mov"))
{
@@ -293,7 +298,7 @@ static BOOL create_directory_path(WCHAR *path)
{
if (!lstrcpynW(current_folder, path, pointer - path + 2)) return FALSE;
/* try to create the folder, ignoring any failure due to ERROR_ALREADY_EXISTS */
- if (!CreateDirectoryW(current_folder, NULL))
+ if (!options.dry_run && !CreateDirectoryW(current_folder, NULL))
{
if (GetLastError() != ERROR_ALREADY_EXISTS)
{
@@ -413,13 +418,14 @@ static BOOL perform_copy(struct robocopy_statistics *statistics)
if ((PathIsDirectoryEmptyW(current_absolute_path) && !options.copy_empty_subdirectories)) continue;
/* Create the directory path and then create the directory itself */
- if (!create_directory_path(target_path) || (!CreateDirectoryW(target_path, NULL) && GetLastError() != ERROR_ALREADY_EXISTS))
+ if (!options.dry_run && (!create_directory_path(target_path) ||
+ (!CreateDirectoryW(target_path, NULL) && GetLastError() != ERROR_ALREADY_EXISTS)))
output_error(STRING_ERROR_WRITE_DIRECTORY, GetLastError(), strip_path_prefix(target_path));
else statistics->copied_directories++;
}
else
{
- if (copy_or_move_file(current_absolute_path, target_path, options.purge_source_files))
+ if (options.dry_run || copy_or_move_file(current_absolute_path, target_path, options.purge_source_files))
{
output_message(options.purge_source_files ? STRING_MOVE_FILE : STRING_CREATE_FILE, strip_path_prefix(target_path));
statistics->copied_files++;
@@ -429,7 +435,7 @@ static BOOL perform_copy(struct robocopy_statistics *statistics)
}
/* if move is specified, we delete the empty remaining folders in the source */
- if (options.purge_source)
+ if (!options.dry_run && options.purge_source)
{
LIST_FOR_EACH_ENTRY_REV(current_path, &paths_source, struct path, entry)
{
@@ -465,13 +471,13 @@ static BOOL perform_copy(struct robocopy_statistics *statistics)
/* only files or empty folders */
if (!PathIsDirectoryW(current_absolute_path))
{
- if (!DeleteFileW(current_absolute_path))
+ if (!options.dry_run && !DeleteFileW(current_absolute_path))
output_error(STRING_ERROR_DELETE_FILE, GetLastError(), strip_path_prefix(current_absolute_path));
else output_message(STRING_DELETE_FILE, strip_path_prefix(current_absolute_path));
}
else if (PathIsDirectoryEmptyW(current_absolute_path))
{
- if (!RemoveDirectoryW(current_absolute_path))
+ if (!options.dry_run && !RemoveDirectoryW(current_absolute_path))
output_error(STRING_ERROR_DELETE_DIRECTORY, GetLastError(), strip_path_prefix(current_absolute_path));
else output_message(STRING_DELETE_DIRECTORY, strip_path_prefix(current_absolute_path));
}
@@ -487,6 +493,10 @@ static WCHAR *get_option_string(void)
WCHAR *string, temp_string[512];
memset(temp_string, 0, sizeof(temp_string));
+ /* Dry Run */
+ if (options.dry_run)
+ wcscat(temp_string, L"/L ");
+
/* If no files set, display *.* */
if (options.files->size == 0)
wcscat(temp_string, L"*.* ");
diff --git a/programs/robocopy/robocopy.h b/programs/robocopy/robocopy.h
index 1818fdf90f1..9e3137109b8 100644
--- a/programs/robocopy/robocopy.h
+++ b/programs/robocopy/robocopy.h
@@ -45,6 +45,7 @@ struct robocopy_options {
BOOL purge_source;
BOOL purge_destination;
BOOL mirror;
+ BOOL dry_run;
};
struct robocopy_statistics {
--
2.32.0
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