From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 19 Aug 2025 19:17:32 +0000 (+0200)
Subject: copy: optionally apply source inode's stat() when doing a merge copy
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=0a9e2e45f03b605b59b8b20c0968524ff4ff8714;p=thirdparty%2Fsystemd.git

copy: optionally apply source inode's stat() when doing a merge copy
---

diff --git a/src/shared/copy.c b/src/shared/copy.c
index 981427214ba..baed8b06961 100644
--- a/src/shared/copy.c
+++ b/src/shared/copy.c
@@ -1257,7 +1257,7 @@ static int fd_copy_directory(
         }
 
 finish:
-        if (!exists) {
+        if (FLAGS_SET(copy_flags, COPY_MERGE_APPLY_STAT) || !exists) {
                 if (fchown(fdt,
                            uid_is_valid(override_uid) ? override_uid : st->st_uid,
                            gid_is_valid(override_gid) ? override_gid : st->st_gid) < 0)
diff --git a/src/shared/copy.h b/src/shared/copy.h
index d4b131d1025..8dd3176e8e4 100644
--- a/src/shared/copy.h
+++ b/src/shared/copy.h
@@ -33,6 +33,7 @@ typedef enum CopyFlags {
          */
         COPY_NOCOW_AFTER                  = 1 << 20,
         COPY_PRESERVE_FS_VERITY           = 1 << 21, /* Preserve fs-verity when copying. */
+        COPY_MERGE_APPLY_STAT             = 1 << 22, /* When we reuse an existing directory inode, apply source ownership/mode/xattrs/timestamps */
 } CopyFlags;
 
 typedef enum DenyType {