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linux,darwin: make uv_fs_copyfile behaves like cp -r (#4396)

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This commit changes the timestamps in the file, the ownership and the
group.

Fixes: https://github.com/libuv/libuv/issues/3125

Signed-off-by: Juan José Arboleda <soyjuanarbol@gmail.com>
This commit is contained in:
Juan José 2024-05-08 04:30:30 -05:00 committed by GitHub
parent 520eb622f0
commit bf61390769
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2 changed files with 30 additions and 0 deletions
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24
src/unix/fs.c
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@ -1233,6 +1233,7 @@ static ssize_t uv__fs_copyfile(uv_fs_t* req) {
uv_file dstfd;
struct stat src_statsbuf;
struct stat dst_statsbuf;
struct timespec times[2];
int dst_flags;
int result;
int err;
@ -1310,6 +1311,29 @@ static ssize_t uv__fs_copyfile(uv_fs_t* req) {
}
}
/**
* Change the timestamps of the destination file to match the source file.
*/
#if defined(__APPLE__)
times[0] = src_statsbuf.st_atimespec;
times[1] = src_statsbuf.st_mtimespec;
#else
times[0] = src_statsbuf.st_atim;
times[1] = src_statsbuf.st_mtim;
#endif
if (futimens(dstfd, times) == -1) {
err = UV__ERR(errno);
goto out;
}
/*
* Change the ownership and permissions of the destination file to match the
* source file.
* `cp -p` does not care about errors here, so we don't either.
*/
fchown(dstfd, src_statsbuf.st_uid, src_statsbuf.st_gid);
if (fchmod(dstfd, src_statsbuf.st_mode) == -1) {
err = UV__ERR(errno);
#ifdef __linux__

6
test/test-fs-copyfile.c
View File

@ -46,6 +46,8 @@ static void handle_result(uv_fs_t* req) {
uv_fs_t stat_req;
uint64_t size;
uint64_t mode;
uint64_t uid;
uint64_t gid;
int r;
ASSERT_EQ(req->fs_type, UV_FS_COPYFILE);
@ -56,11 +58,15 @@ static void handle_result(uv_fs_t* req) {
ASSERT_OK(r);
size = stat_req.statbuf.st_size;
mode = stat_req.statbuf.st_mode;
uid = stat_req.statbuf.st_uid;
gid = stat_req.statbuf.st_gid;
uv_fs_req_cleanup(&stat_req);
r = uv_fs_stat(NULL, &stat_req, dst, NULL);
ASSERT_OK(r);
ASSERT_EQ(stat_req.statbuf.st_size, size);
ASSERT_EQ(stat_req.statbuf.st_mode, mode);
ASSERT_EQ(stat_req.statbuf.st_uid, uid);
ASSERT_EQ(stat_req.statbuf.st_gid, gid);
uv_fs_req_cleanup(&stat_req);
uv_fs_req_cleanup(req);
result_check_count++;