diff options
Diffstat (limited to 'vendor/golang.org/x/tools/internal/gocommand/version.go')
-rw-r--r-- | vendor/golang.org/x/tools/internal/gocommand/version.go | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/vendor/golang.org/x/tools/internal/gocommand/version.go b/vendor/golang.org/x/tools/internal/gocommand/version.go deleted file mode 100644 index 713043680..000000000 --- a/vendor/golang.org/x/tools/internal/gocommand/version.go +++ /dev/null @@ -1,51 +0,0 @@ -// Copyright 2020 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package gocommand - -import ( - "context" - "fmt" - "strings" -) - -// GoVersion checks the go version by running "go list" with modules off. -// It returns the X in Go 1.X. -func GoVersion(ctx context.Context, inv Invocation, r *Runner) (int, error) { - inv.Verb = "list" - inv.Args = []string{"-e", "-f", `{{context.ReleaseTags}}`, `--`, `unsafe`} - inv.Env = append(append([]string{}, inv.Env...), "GO111MODULE=off") - // Unset any unneeded flags, and remove them from BuildFlags, if they're - // present. - inv.ModFile = "" - inv.ModFlag = "" - var buildFlags []string - for _, flag := range inv.BuildFlags { - // Flags can be prefixed by one or two dashes. - f := strings.TrimPrefix(strings.TrimPrefix(flag, "-"), "-") - if strings.HasPrefix(f, "mod=") || strings.HasPrefix(f, "modfile=") { - continue - } - buildFlags = append(buildFlags, flag) - } - inv.BuildFlags = buildFlags - stdoutBytes, err := r.Run(ctx, inv) - if err != nil { - return 0, err - } - stdout := stdoutBytes.String() - if len(stdout) < 3 { - return 0, fmt.Errorf("bad ReleaseTags output: %q", stdout) - } - // Split up "[go1.1 go1.15]" - tags := strings.Fields(stdout[1 : len(stdout)-2]) - for i := len(tags) - 1; i >= 0; i-- { - var version int - if _, err := fmt.Sscanf(tags[i], "go1.%d", &version); err != nil { - continue - } - return version, nil - } - return 0, fmt.Errorf("no parseable ReleaseTags in %v", tags) -} |