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Check if name or email are present on global level before adding to git locally #106

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Check if name or email are present on global level before adding to git locally #106

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34 changes: 32 additions & 2 deletions make.go
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Original file line number Diff line number Diff line change
Expand Up @@ -279,6 +279,26 @@ func runGitCommandIn(dir string, arg ...string) error {
return cmd.Run()
}

func execGitConfig(args ...string) (string, error) {
gitArgs := append([]string{"config", "--get", "--null"}, args...)
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Can you add a comment as to why --null is required here?

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Yes, I will. Per git-config manpage, it "allows for secure parsing of the output without getting confused e.g. by values that contain line breaks." Thank you!

var stdout bytes.Buffer
cmd := exec.Command("git", gitArgs...)
cmd.Stdout = &stdout
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Instead of dealing with the buffer manually, use cmd.Output() instead of cmd.Run() below.

cmd.Stderr = ioutil.Discard
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This seems redundant — not setting cmd.Stderr has the same effect, no?


err := cmd.Run()
if exitError, ok := err.(*exec.ExitError); ok {
if waitStatus, ok := exitError.Sys().(syscall.WaitStatus); ok {
if waitStatus.ExitStatus() == 1 {
return "", &ErrNotFound{Key: args[len(args)-1]}
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We don’t have the ErrNotFound type, so just return err here

}
}
return "", err
}

return strings.TrimRight(stdout.String(), "\000"), nil
}

func createGitRepository(debsrc, gopkg, orig string) (string, error) {
wd, err := os.Getwd()
if err != nil {
Expand All @@ -293,13 +313,23 @@ func createGitRepository(debsrc, gopkg, orig string) (string, error) {
return dir, err
}

if debianName := getDebianName(); debianName != "TODO" {
gitName, err := execGitConfig("--global", "user.name")
if err {
return dir, err
}

if debianName := getDebianName(); debianName != "TODO" && gitName != debianName {
if err := runGitCommandIn(dir, "config", "user.name", debianName); err != nil {
return dir, err
}
}

if debianEmail := getDebianEmail(); debianEmail != "TODO" {
gitEmail, err := execGitConfig("--global", "user.email")
if err {
return dir, err
}

if debianEmail := getDebianEmail(); debianEmail != "TODO" && gitEmail != debianEmail {
if err := runGitCommandIn(dir, "config", "user.email", debianEmail); err != nil {
return dir, err
}
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