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cp: correctly copy mode, ownership, acl and context

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Fix a mix-up between ownership and mode. The latter (mode / file permissions)
can also be set on windows (which however only affects the read-only flag),
while there doesn't seem to be a straight-forward way to change file ownership
on windows.

Copy the acl as well when copying the mode. This is a non-default feature and can be
enabled with --features feat_acl, because it doesn't seem to work on CI.
It is only available for unix so far.

Copy the SELinux context if possible.
This commit is contained in:
Michael Debertol 2021-08-30 01:27:47 +02:00
parent 575fbd4cb7
commit 8b74562820
8 changed files with 303 additions and 51 deletions
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7
Cargo.toml
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@ -147,7 +147,12 @@ feat_os_unix_musl = [
# NOTE:
# The selinux(-sys) crate requires `libselinux` headers and shared library to be accessible in the C toolchain at compile time.
# Running a uutils compiled with `feat_selinux` requires an SELinux enabled Kernel at run time.
feat_selinux = ["id/selinux", "selinux", "feat_require_selinux"]
feat_selinux = ["cp/selinux", "id/selinux", "selinux", "feat_require_selinux"]
# "feat_acl" == set of utilities providing support for acl (access control lists) if enabled with `--features feat_acl`.
# NOTE:
# On linux, the posix-acl/acl-sys crate requires `libacl` headers and shared library to be accessible in the C toolchain at compile time.
# On FreeBSD and macOS this is not required.
feat_acl = ["cp/feat_acl"]
## feature sets with requirements (restricting cross-platform availability)
#
# ** NOTE: these `feat_require_...` sets should be minimized as much as possible to encourage cross-platform availability of utilities