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Provide more context when src files changed while packaging

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Co-authored-by: boxdot <d@zerovolt.org>
This commit is contained in:
Gabriel Féron 2018-05-28 14:34:47 +02:00
parent 285eb4d7b9
commit 9c1124fbcf
2 changed files with 30 additions and 23 deletions
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9
src/cargo/ops/cargo_package.rs
View File

@ -330,7 +330,7 @@ fn run_verify(ws: &Workspace, tar: &FileLock, opts: &PackageOpts) -> CargoResult
let id = SourceId::for_path(&dst)?;
let mut src = PathSource::new(&dst, &id, ws.config());
let new_pkg = src.root_package()?;
let pkg_fingerprint = src.fingerprint(&new_pkg)?;
let pkg_fingerprint = src.last_modified_file(&new_pkg)?;
let ws = Workspace::ephemeral(new_pkg, config, None, true)?;
ops::compile_ws(
@ -354,11 +354,14 @@ fn run_verify(ws: &Workspace, tar: &FileLock, opts: &PackageOpts) -> CargoResult
)?;
// Check that build.rs didn't modify any files in the src directory.
let ws_fingerprint = src.fingerprint(ws.current()?)?;
let ws_fingerprint = src.last_modified_file(ws.current()?)?;
if pkg_fingerprint != ws_fingerprint {
let (_, path) = ws_fingerprint;
bail!(
"Source directory was modified by build.rs during cargo publish. \
Build scripts should not modify anything outside of OUT_DIR."
Build scripts should not modify anything outside of OUT_DIR. \
Modified file: {}",
path.display()
)
}

44
src/cargo/sources/path.rs
View File

@ -467,6 +467,29 @@ impl<'cfg> PathSource<'cfg> {
}
Ok(())
}
pub fn last_modified_file(&self, pkg: &Package) -> CargoResult<(FileTime, PathBuf)> {
if !self.updated {
return Err(internal("BUG: source was not updated"));
}
let mut max = FileTime::zero();
let mut max_path = PathBuf::new();
for file in self.list_files(pkg)? {
// An fs::stat error here is either because path is a
// broken symlink, a permissions error, or a race
// condition where this path was rm'ed - either way,
// we can ignore the error and treat the path's mtime
// as 0.
let mtime = paths::mtime(&file).unwrap_or(FileTime::zero());
if mtime > max {
max = mtime;
max_path = file;
}
}
trace!("last modified file {}: {}", self.path.display(), max);
Ok((max, max_path))
}
}
impl<'cfg> Debug for PathSource<'cfg> {
@ -516,26 +539,7 @@ impl<'cfg> Source for PathSource<'cfg> {
}
fn fingerprint(&self, pkg: &Package) -> CargoResult<String> {
if !self.updated {
return Err(internal("BUG: source was not updated"));
}
let mut max = FileTime::zero();
let mut max_path = PathBuf::from("");
for file in self.list_files(pkg)? {
// An fs::stat error here is either because path is a
// broken symlink, a permissions error, or a race
// condition where this path was rm'ed - either way,
// we can ignore the error and treat the path's mtime
// as 0.
let mtime = paths::mtime(&file).unwrap_or(FileTime::zero());
warn!("{} {}", mtime, file.display());
if mtime > max {
max = mtime;
max_path = file;
}
}
trace!("fingerprint {}: {}", self.path.display(), max);
let (max, max_path) = self.last_modified_file(pkg)?;
Ok(format!("{} ({})", max, max_path.display()))
}
}