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Fix handling of stale links to bpf-tools in cargo-build-bpf (#17772)

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Dmitri Makarov 2021-06-07 09:26:01 -07:00 committed by GitHub
parent 0a24cff30e
commit 910ac94a8c
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1 changed files with 6 additions and 9 deletions
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15
sdk/cargo-build-bpf/src/main.rs
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@ -130,20 +130,17 @@ fn install_if_missing(
}
let source_path = source_base.join(package);
// Check whether the correct symbolic link exists.
let missing_source = if source_path.exists() {
let invalid_link = if let Ok(link_target) = source_path.read_link() {
link_target != target_path
} else {
true
};
if invalid_link {
let invalid_link = if let Ok(link_target) = source_path.read_link() {
if link_target != target_path {
fs::remove_file(&source_path).map_err(|err| err.to_string())?;
true
} else {
false
}
invalid_link
} else {
true
};
if missing_source {
if invalid_link {
#[cfg(unix)]
std::os::unix::fs::symlink(target_path, source_path).map_err(|err| err.to_string())?;
#[cfg(windows)]