Move output argument from ArchiveBuilder::new to .build()

Author: bjorn3

Diff for: src/archive.rs

@@ -19,7 +19,6 @@ enum ArchiveEntry {
 
 pub(crate) struct ArArchiveBuilder<'a> {
     sess: &'a Session,
-    dst: PathBuf,
     use_gnu_style_archive: bool,
     no_builtin_ranlib: bool,
 
@@ -30,10 +29,9 @@ pub(crate) struct ArArchiveBuilder<'a> {
 }
 
 impl<'a> ArchiveBuilder<'a> for ArArchiveBuilder<'a> {
-    fn new(sess: &'a Session, output: &Path) -> Self {
+    fn new(sess: &'a Session) -> Self {
         ArArchiveBuilder {
             sess,
-            dst: output.to_path_buf(),
             use_gnu_style_archive: sess.target.archive_format == "gnu",
             // FIXME fix builtin ranlib on macOS
             no_builtin_ranlib: sess.target.is_like_osx,
@@ -74,7 +72,7 @@ impl<'a> ArchiveBuilder<'a> for ArArchiveBuilder<'a> {
         Ok(())
     }
 
-    fn build(mut self) -> bool {
+    fn build(mut self, output: &Path) -> bool {
         enum BuilderKind {
             Bsd(ar::Builder<File>),
             Gnu(ar::GnuBuilder<File>),
@@ -163,7 +161,7 @@ impl<'a> ArchiveBuilder<'a> for ArArchiveBuilder<'a> {
         let mut builder = if self.use_gnu_style_archive {
             BuilderKind::Gnu(
                 ar::GnuBuilder::new(
-                    File::create(&self.dst).unwrap_or_else(|err| {
+                    File::create(output).unwrap_or_else(|err| {
                         sess.fatal(&format!(
                             "error opening destination during archive building: {}",
                             err
@@ -178,7 +176,7 @@ impl<'a> ArchiveBuilder<'a> for ArArchiveBuilder<'a> {
         } else {
             BuilderKind::Bsd(
                 ar::Builder::new(
-                    File::create(&self.dst).unwrap_or_else(|err| {
+                    File::create(output).unwrap_or_else(|err| {
                         sess.fatal(&format!(
                             "error opening destination during archive building: {}",
                             err
@@ -209,7 +207,7 @@ impl<'a> ArchiveBuilder<'a> for ArArchiveBuilder<'a> {
 
             // Run ranlib to be able to link the archive
             let status = std::process::Command::new(ranlib)
-                .arg(self.dst)
+                .arg(output)
                 .status()
                 .expect("Couldn't run ranlib");