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Unset read only on generated rust file before removing it to fix build failure on Windows (#53)

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This commit is contained in:
Matthew O'Connor 2016-01-30 08:54:58 -07:00
parent 20b2ee8e56
commit 51e2dabdc0
1 changed files with 4 additions and 3 deletions
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7
lalrpop/src/build/mod.rs
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@ -33,10 +33,11 @@ fn process_dir<P:AsRef<Path>>(root_dir: P, force_build: bool) -> io::Result<()>
for lalrpop_file in lalrpop_files { for lalrpop_file in lalrpop_files {
let rs_file = lalrpop_file.with_extension("rs"); let rs_file = lalrpop_file.with_extension("rs");
if force_build || try!(needs_rebuild(&lalrpop_file, &rs_file)) { if force_build || try!(needs_rebuild(&lalrpop_file, &rs_file)) {
try!(make_read_only(&rs_file, false));
try!(remove_old_file(&rs_file)); try!(remove_old_file(&rs_file));
let grammar = try!(parse_and_normalize_grammar(lalrpop_file)); let grammar = try!(parse_and_normalize_grammar(lalrpop_file));
try!(emit_recursive_ascent(&rs_file, &grammar)); try!(emit_recursive_ascent(&rs_file, &grammar));
try!(make_read_only(&rs_file)); try!(make_read_only(&rs_file, true));
} }
} }
Ok(()) Ok(())
@ -99,10 +100,10 @@ fn needs_rebuild(lalrpop_file: &Path,
} }
} }
fn make_read_only(rs_file: &Path) -> io::Result<()> { fn make_read_only(rs_file: &Path, ro: bool) -> io::Result<()> {
let rs_metadata = try!(fs::metadata(&rs_file)); let rs_metadata = try!(fs::metadata(&rs_file));
let mut rs_permissions = rs_metadata.permissions(); let mut rs_permissions = rs_metadata.permissions();
rs_permissions.set_readonly(true); rs_permissions.set_readonly(ro);
fs::set_permissions(&rs_file, rs_permissions) fs::set_permissions(&rs_file, rs_permissions)
} }