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install: document the need_copy function

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Sylvestre Ledru 2023-12-27 23:35:29 +01:00
parent c0206c5ea4
commit 0fb3ffb8ad
1 changed files with 1 additions and 2 deletions
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3
src/uu/install/src/install.rs
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@ -869,7 +869,6 @@ fn preserve_timestamps(from: &Path, to: &Path) -> UResult<()> {
/// ///
fn copy(from: &Path, to: &Path, b: &Behavior) -> UResult<()> { fn copy(from: &Path, to: &Path, b: &Behavior) -> UResult<()> {
if b.compare && !need_copy(from, to, b)? { if b.compare && !need_copy(from, to, b)? {
println!("no need to copy");
return Ok(()); return Ok(());
} }
// Declare the path here as we may need it for the verbose output below. // Declare the path here as we may need it for the verbose output below.
@ -938,7 +937,7 @@ fn need_copy(from: &Path, to: &Path, b: &Behavior) -> UResult<bool> {
let all_modes: u32 = 0o7777; let all_modes: u32 = 0o7777;
// Check if any special mode bits are set in the specified mode, // Check if any special mode bits are set in the specified mode,
// source file mode, or destination file mode. If so, copy is needed. // source file mode, or destination file mode.
if b.specified_mode.unwrap_or(0) & extra_mode != 0 if b.specified_mode.unwrap_or(0) & extra_mode != 0
|| from_meta.mode() & extra_mode != 0 || from_meta.mode() & extra_mode != 0
|| to_meta.mode() & extra_mode != 0 || to_meta.mode() & extra_mode != 0