diff options
Diffstat (limited to 'goenv/version.go')
-rw-r--r-- | goenv/version.go | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/goenv/version.go b/goenv/version.go index 1db5a630a..cdfa278bd 100644 --- a/goenv/version.go +++ b/goenv/version.go @@ -34,19 +34,25 @@ func GetGorootVersion() (major, minor int, err error) { if err != nil { return 0, 0, err } + return Parse(s) +} - if s == "" || s[:2] != "go" { +// Parse parses the Go version (like "go1.3.2") in the parameter and return the +// major and minor version: 1 and 3 in this example. If there is an error, (0, +// 0) and an error will be returned. +func Parse(version string) (major, minor int, err error) { + if version == "" || version[:2] != "go" { return 0, 0, errors.New("could not parse Go version: version does not start with 'go' prefix") } - parts := strings.Split(s[2:], ".") + parts := strings.Split(version[2:], ".") if len(parts) < 2 { return 0, 0, errors.New("could not parse Go version: version has less than two parts") } // Ignore the errors, we don't really handle errors here anyway. var trailing string - n, err := fmt.Sscanf(s, "go%d.%d%s", &major, &minor, &trailing) + n, err := fmt.Sscanf(version, "go%d.%d%s", &major, &minor, &trailing) if n == 2 && err == io.EOF { // Means there were no trailing characters (i.e., not an alpha/beta) err = nil |