github.com/distbuild/reclient@v0.0.0-20240401075343-3de72e395564/internal/pkg/inputprocessor/fs_unix.go (about)

     1  // Copyright 2023 Google LLC
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  //go:build !windows && !darwin
    16  
    17  package inputprocessor
    18  
    19  import (
    20  	"os"
    21  	"path/filepath"
    22  	"strings"
    23  )
    24  
    25  type pathNormalizer struct{}
    26  
    27  // cross is need for fs_case_insensitive.go, but not used here.
    28  func newPathNormalizer(cross bool) pathNormalizer {
    29  	return pathNormalizer{}
    30  }
    31  
    32  func (pathNormalizer) normalize(execRoot, pathname string) (string, error) {
    33  	f := strings.TrimLeft(filepath.Clean(pathname), string(filepath.Separator))
    34  	_, err := os.Stat(filepath.Join(execRoot, f))
    35  	return f, err
    36  }