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copy: Add a COPY_MERGE_EMPTY flag to merge only if the target is empty

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Ryan Gonzalez
2019-01-08 14:30:09 -06:00
parent d7c1a15edf
commit 609d34736f
2 changed files with 26 additions and 11 deletions
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src/basic/copy.h
+5 -4
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@@ -9,10 +9,11 @@
#include <sys/types.h>
typedef enum CopyFlags {
COPY_REFLINK = 1 << 0, /* Try to reflink */
COPY_MERGE = 1 << 1, /* Merge existing trees with our new one to copy */
COPY_REPLACE = 1 << 2, /* Replace an existing file if there's one */
COPY_SAME_MOUNT = 1 << 3, /* Don't descend recursively into other file systems, across mount point boundaries */
COPY_REFLINK = 1 << 0, /* Try to reflink */
COPY_MERGE = 1 << 1, /* Merge existing trees with our new one to copy */
COPY_REPLACE = 1 << 2, /* Replace an existing file if there's one */
COPY_SAME_MOUNT = 1 << 3, /* Don't descend recursively into other file systems, across mount point boundaries */
COPY_MERGE_EMPTY = 1 << 4, /* Merge an existing, empty directory with our new tree to copy */
} CopyFlags;
typedef int (*copy_progress_bytes_t)(uint64_t n_bytes, void *userdata);