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cmd/go/internal/modfetch: workaround file URL parsing on Windows

Remove the leading slash from GOPROXY file:// URLs.

Updates #31675

Change-Id: Id45af2a806afc3c216181c13f6bc73713b925693
Reviewed-on: https://go-review.googlesource.com/c/go/+/173499
Run-TryBot: Jay Conrod <jayconrod@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Jay Conrod 2019-04-25 11:59:32 -04:00
parent f30c564529
commit 41d1bf0efc

View File

@ -14,9 +14,11 @@ import (
"os"
pathpkg "path"
"path/filepath"
"runtime"
"strings"
"sync"
"time"
"unicode"
"cmd/go/internal/base"
"cmd/go/internal/cfg"
@ -219,6 +221,11 @@ func (p *proxyRepo) getBody(path string) (io.ReadCloser, error) {
if err != nil {
return nil, err
}
if runtime.GOOS == "windows" && len(rawPath) >= 4 && rawPath[0] == '/' && unicode.IsLetter(rune(rawPath[1])) && rawPath[2] == ':' {
// On Windows, file URLs look like "file:///C:/foo/bar". url.Path will
// start with a slash which must be removed. See golang.org/issue/6027.
rawPath = rawPath[1:]
}
return os.Open(filepath.FromSlash(rawPath))
}