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goimports: create a var to permit custom implementations of flag parsing and

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startup work.

Change-Id: I9e60ec785313295bce614b5735238943af607223
Reviewed-on: https://go-review.googlesource.com/8204
Reviewed-by: David Crawshaw <crawshaw@golang.org>
This commit is contained in:
Sameer Ajmani 2015-03-27 14:09:40 -04:00
parent e77366c32d
commit 1e216dc2e3
1 changed files with 10 additions and 4 deletions
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14
cmd/goimports/goimports.go
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@ -135,9 +135,16 @@ func main() {
os.Exit(exitCode)
}
// parseFlags parses command line flags and returns the paths to process.
// It's a var so that custom implementations can replace it in other files.
var parseFlags = func() []string {
flag.Parse()
return flag.Args()
}
func gofmtMain() {
flag.Usage = usage
flag.Parse()
paths := parseFlags()
if options.TabWidth < 0 {
fmt.Fprintf(os.Stderr, "negative tabwidth %d\n", options.TabWidth)
@ -145,15 +152,14 @@ func gofmtMain() {
return
}
if flag.NArg() == 0 {
if len(paths) == 0 {
if err := processFile("<standard input>", os.Stdin, os.Stdout, true); err != nil {
report(err)
}
return
}
for i := 0; i < flag.NArg(); i++ {
path := flag.Arg(i)
for _, path := range paths {
switch dir, err := os.Stat(path); {
case err != nil:
report(err)