diff options
Diffstat (limited to 'third_party/go/git-appraise/commands/input/input.go')
| -rw-r--r-- | third_party/go/git-appraise/commands/input/input.go | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/third_party/go/git-appraise/commands/input/input.go b/third_party/go/git-appraise/commands/input/input.go deleted file mode 100644 index 9a8678a827..0000000000 --- a/third_party/go/git-appraise/commands/input/input.go +++ /dev/null @@ -1,118 +0,0 @@ -/* -Copyright 2015 Google Inc. All rights reserved. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package input - -import ( - "bufio" - "bytes" - "fmt" - "github.com/google/git-appraise/repository" - "io/ioutil" - "os" - "os/exec" -) - -// LaunchEditor launches the default editor configured for the given repo. This -// method blocks until the editor command has returned. -// -// The specified filename should be a temporary file and provided as a relative path -// from the repo (e.g. "FILENAME" will be converted to ".git/FILENAME"). This file -// will be deleted after the editor is closed and its contents have been read. -// -// This method returns the text that was read from the temporary file, or -// an error if any step in the process failed. -func LaunchEditor(repo repository.Repo, fileName string) (string, error) { - editor, err := repo.GetCoreEditor() - if err != nil { - return "", fmt.Errorf("Unable to detect default git editor: %v\n", err) - } - - path := fmt.Sprintf("%s/.git/%s", repo.GetPath(), fileName) - - cmd, err := startInlineCommand(editor, path) - if err != nil { - // Running the editor directly did not work. This might mean that - // the editor string is not a path to an executable, but rather - // a shell command (e.g. "emacsclient --tty"). As such, we'll try - // to run the command through bash, and if that fails, try with sh - args := []string{"-c", fmt.Sprintf("%s %q", editor, path)} - cmd, err = startInlineCommand("bash", args...) - if err != nil { - cmd, err = startInlineCommand("sh", args...) - } - } - if err != nil { - return "", fmt.Errorf("Unable to start editor: %v\n", err) - } - - if err := cmd.Wait(); err != nil { - return "", fmt.Errorf("Editing finished with error: %v\n", err) - } - - output, err := ioutil.ReadFile(path) - if err != nil { - os.Remove(path) - return "", fmt.Errorf("Error reading edited file: %v\n", err) - } - os.Remove(path) - return string(output), err -} - -// FromFile loads and returns the contents of a given file. If - is passed -// through, much like git, it will read from stdin. This can be piped data, -// unless there is a tty in which case the user will be prompted to enter a -// message. -func FromFile(fileName string) (string, error) { - if fileName == "-" { - stat, err := os.Stdin.Stat() - if err != nil { - return "", fmt.Errorf("Error reading from stdin: %v\n", err) - } - if (stat.Mode() & os.ModeCharDevice) == 0 { - // There is no tty. This will allow us to read piped data instead. - output, err := ioutil.ReadAll(os.Stdin) - if err != nil { - return "", fmt.Errorf("Error reading from stdin: %v\n", err) - } - return string(output), err - } - - fmt.Printf("(reading comment from standard input)\n") - var output bytes.Buffer - s := bufio.NewScanner(os.Stdin) - for s.Scan() { - output.Write(s.Bytes()) - output.WriteRune('\n') - } - return output.String(), nil - } - - output, err := ioutil.ReadFile(fileName) - if err != nil { - return "", fmt.Errorf("Error reading file: %v\n", err) - } - return string(output), err -} - -func startInlineCommand(command string, args ...string) (*exec.Cmd, error) { - cmd := exec.Command(command, args...) - cmd.Stdin = os.Stdin - cmd.Stdout = os.Stdout - cmd.Stderr = os.Stderr - err := cmd.Start() - return cmd, err -} |