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authorDaan De Meyer <daan.j.demeyer@gmail.com>2025-01-10 15:53:59 +0100
committerDaan De Meyer <daan.j.demeyer@gmail.com>2025-01-14 11:13:25 +0100
commit6309efbf31206668fb66da64824249448fa334da (patch)
tree5844b70ad7e7d6afe61c5b7d1bfe139ae231f082
parentci: Skip coverage workflow on forks (diff)
downloadsystemd-6309efbf31206668fb66da64824249448fa334da.tar.xz
systemd-6309efbf31206668fb66da64824249448fa334da.zip
dissect: Use COPY_MERGE
When copying a directory from or to an image, let's always merge with existing directories instead of failing with "File Exists". Fixes https://github.com/systemd/mkosi/issues/3342.
-rw-r--r--man/systemd-dissect.xml8
-rw-r--r--src/dissect/dissect.c6
2 files changed, 7 insertions, 7 deletions
diff --git a/man/systemd-dissect.xml b/man/systemd-dissect.xml
index 2718feccb7..7c9369e387 100644
--- a/man/systemd-dissect.xml
+++ b/man/systemd-dissect.xml
@@ -282,8 +282,8 @@
standard output. If the source path in the image file system refers to a regular file it is copied to
the destination path. In this case, access mode, extended attributes and timestamps are copied as
well, but file ownership is not. If the source path in the image refers to a directory, it is copied
- to the destination path, recursively with all containing files and directories. In this case, the file
- ownership is copied too.</para>
+ to the destination path, recursively with all containing files and directories, merging into existing
+ directories and updating already existing files. In this case, the file ownership is copied too.</para>
<xi:include href="version-info.xml" xpointer="v247"/></listitem>
</varlistentry>
@@ -300,8 +300,8 @@
source path in the host file system refers to a regular file, it is copied to the destination path.
In this case, access mode, extended attributes and timestamps are copied as well, but file ownership
is not. If the source path in the host file system refers to a directory it is copied to the
- destination path, recursively with all containing files and directories. In this case, the file
- ownership is copied too.</para>
+ destination path, recursively with all containing files and directories, merging into existing
+ directories and updating already existing files.. In this case, the file ownership is copied too.</para>
<para>As with <option>--mount</option> file system checks are implicitly run before the copy
operation begins.</para>
diff --git a/src/dissect/dissect.c b/src/dissect/dissect.c
index 3ca1e17be4..33e651c6c1 100644
--- a/src/dissect/dissect.c
+++ b/src/dissect/dissect.c
@@ -1546,7 +1546,7 @@ static int action_list_or_mtree_or_copy_or_make_archive(DissectedImage *m, LoopD
}
/* Try to copy as directory? */
- r = copy_directory_at(source_fd, NULL, AT_FDCWD, arg_target, COPY_REFLINK|COPY_MERGE_EMPTY|COPY_SIGINT|COPY_HARDLINKS);
+ r = copy_directory_at(source_fd, NULL, AT_FDCWD, arg_target, COPY_REFLINK|COPY_MERGE|COPY_REPLACE|COPY_SIGINT|COPY_HARDLINKS);
if (r >= 0)
return 0;
if (r != -ENOTDIR)
@@ -1625,9 +1625,9 @@ static int action_list_or_mtree_or_copy_or_make_archive(DissectedImage *m, LoopD
if (errno != ENOENT)
return log_error_errno(errno, "Failed to open destination '%s': %m", arg_target);
- r = copy_tree_at(source_fd, ".", dfd, bn, UID_INVALID, GID_INVALID, COPY_REFLINK|COPY_REPLACE|COPY_SIGINT|COPY_HARDLINKS, NULL, NULL);
+ r = copy_tree_at(source_fd, ".", dfd, bn, UID_INVALID, GID_INVALID, COPY_REFLINK|COPY_MERGE|COPY_REPLACE|COPY_SIGINT|COPY_HARDLINKS, NULL, NULL);
} else
- r = copy_tree_at(source_fd, ".", target_fd, ".", UID_INVALID, GID_INVALID, COPY_REFLINK|COPY_REPLACE|COPY_SIGINT|COPY_HARDLINKS, NULL, NULL);
+ r = copy_tree_at(source_fd, ".", target_fd, ".", UID_INVALID, GID_INVALID, COPY_REFLINK|COPY_MERGE|COPY_REPLACE|COPY_SIGINT|COPY_HARDLINKS, NULL, NULL);
if (r < 0)
return log_error_errno(r, "Failed to copy '%s' to '%s' in image '%s': %m", arg_source, arg_target, arg_image);