cmake -E tar: Add --touch option

Similar to GNU tar add a --touch option to the tar extract command to
skip extracting the timestamps from the files in the archive
effectively touching them as if they were just created.

Issue: #22746

1 files changed, 12 insertions, 6 deletions

diff --git a/Source/cmSystemTools.cxx b/Source/cmSystemTools.cxx
index a5dfa4c..cb32172 100644
--- a/Source/cmSystemTools.cxx
+++ b/Source/cmSystemTools.cxx
@@ -1821,6 +1821,7 @@ bool copy_data(struct archive* ar, struct archive* aw)
 
 bool extract_tar(const std::string& outFileName,
                  const std::vector<std::string>& files, bool verbose,
+                 cmSystemTools::cmTarExtractTimestamps extractTimestamps,
                  bool extract)
 {
   cmLocaleRAII localeRAII;
@@ -1879,10 +1880,12 @@ bool extract_tar(const std::string& outFileName,
       cmSystemTools::Stdout("\n");
     }
     if (extract) {
-      r = archive_write_disk_set_options(ext, ARCHIVE_EXTRACT_TIME);
-      if (r != ARCHIVE_OK) {
-        ArchiveError("Problem with archive_write_disk_set_options(): ", ext);
-        break;
+      if (extractTimestamps == cmSystemTools::cmTarExtractTimestamps::Yes) {
+        r = archive_write_disk_set_options(ext, ARCHIVE_EXTRACT_TIME);
+        if (r != ARCHIVE_OK) {
+          ArchiveError("Problem with archive_write_disk_set_options(): ", ext);
+          break;
+        }
       }
 
       r = archive_write_header(ext, entry);
@@ -1942,13 +1945,15 @@ bool extract_tar(const std::string& outFileName,
 
 bool cmSystemTools::ExtractTar(const std::string& outFileName,
                                const std::vector<std::string>& files,
+                               cmTarExtractTimestamps extractTimestamps,
                                bool verbose)
 {
 #if !defined(CMAKE_BOOTSTRAP)
-  return extract_tar(outFileName, files, verbose, true);
+  return extract_tar(outFileName, files, verbose, extractTimestamps, true);
 #else
   (void)outFileName;
   (void)files;
+  (void)extractTimestamps;
   (void)verbose;
   return false;
 #endif
@@ -1959,7 +1964,8 @@ bool cmSystemTools::ListTar(const std::string& outFileName,
                             bool verbose)
 {
 #if !defined(CMAKE_BOOTSTRAP)
-  return extract_tar(outFileName, files, verbose, false);
+  return extract_tar(outFileName, files, verbose, cmTarExtractTimestamps::Yes,
+                     false);
 #else
   (void)outFileName;
   (void)files;