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fileio: set group of backup file

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Restores code removed in #9709.

uv_fs_copyfile() copies the perm bits but not the group name.
https://github.com/libuv/libuv/pull/1547

ref #9709
ref #8288
This commit is contained in:
Justin M. Keyes
2019-05-20 22:43:10 +02:00
parent 7cc01c704c
commit 646c3423dd
2 changed files with 33 additions and 4 deletions
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20
src/nvim/os/fs.c
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@@ -712,12 +712,24 @@ int os_setperm(const char *const name, int perm)
return (r == kLibuvSuccess ? OK : FAIL);
}
/// Changes the ownership of the file referred to by the open file descriptor.
/// Changes the owner and group of a file, like chown(2).
///
/// @return `0` on success, a libuv error code on failure.
/// @return 0 on success, or libuv error code on failure.
///
/// @note If the `owner` or `group` is specified as `-1`, then that ID is not
/// changed.
/// @note If `owner` or `group` is -1, then that ID is not changed.
int os_chown(const char* path, uv_uid_t owner, uv_gid_t group)
{
int r;
RUN_UV_FS_FUNC(r, uv_fs_chown, path, owner, group, NULL);
return r;
}
/// Changes the owner and group of the file referred to by the open file
/// descriptor, like fchown(2).
///
/// @return 0 on success, or libuv error code on failure.
///
/// @note If `owner` or `group` is -1, then that ID is not changed.
int os_fchown(int fd, uv_uid_t owner, uv_gid_t group)
{
int r;