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up: update readme template and re-generate README
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| package sysutil | ||
|
|
||
| import ( | ||
| "errors" | ||
| "regexp" | ||
| "runtime" | ||
| "strings" | ||
| ) | ||
|
|
||
| // GoVersion get go runtime version. eg: "1.18.2" | ||
| func GoVersion() string { | ||
| return runtime.Version()[2:] | ||
| } | ||
|
|
||
| // GoInfo define | ||
| // | ||
| // On os by: | ||
| // | ||
| // go env GOVERSION GOOS GOARCH | ||
| // go version // "go version go1.19 darwin/amd64" | ||
| type GoInfo struct { | ||
| Version string | ||
| GoOS string | ||
| Arch string | ||
| } | ||
|
|
||
| // match "go version go1.19 darwin/amd64" | ||
| var goVerRegex = regexp.MustCompile(`\sgo([\d.]+)\s(\w+)/(\w+)`) | ||
|
|
||
| // ParseGoVersion get info by parse `go version` results. | ||
| // | ||
| // Examples: | ||
| // | ||
| // line, err := sysutil.ExecLine("go version") | ||
| // if err != nil { | ||
| // return err | ||
| // } | ||
| // | ||
| // info, err := sysutil.ParseGoVersion() | ||
| // dump.P(info) | ||
| func ParseGoVersion(line string) (*GoInfo, error) { | ||
| // eg: [" go1.19 darwin/amd64", "1.19", "darwin", "amd64"] | ||
| lines := goVerRegex.FindStringSubmatch(line) | ||
| if len(lines) != 4 { | ||
| return nil, errors.New("returns go info is not full") | ||
| } | ||
|
|
||
| info := &GoInfo{} | ||
| info.Version = strings.TrimPrefix(lines[1], "go") | ||
| info.GoOS = lines[2] | ||
| info.Arch = lines[3] | ||
|
|
||
| return info, nil | ||
| } | ||
|
|
||
| // OsGoInfo fetch and parse | ||
| func OsGoInfo() (*GoInfo, error) { | ||
| cmdArgs := []string{"env", "GOVERSION", "GOOS", "GOARCH"} | ||
| line, err := ExecCmd("go", cmdArgs) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| lines := strings.Split(strings.TrimSpace(line), "\n") | ||
|
|
||
| if len(lines) != len(cmdArgs)-1 { | ||
| return nil, errors.New("returns go info is not full") | ||
| } | ||
|
|
||
| info := &GoInfo{} | ||
| info.Version = strings.TrimPrefix(lines[0], "go") | ||
| info.GoOS = lines[1] | ||
| info.Arch = lines[2] | ||
|
|
||
| return info, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| package sysutil_test | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
||
| "github.com/gookit/goutil/dump" | ||
| "github.com/gookit/goutil/sysutil" | ||
| "github.com/gookit/goutil/testutil/assert" | ||
| ) | ||
|
|
||
| func TestGoVersion(t *testing.T) { | ||
| assert.NotEmpty(t, sysutil.GoVersion()) | ||
|
|
||
| info, err := sysutil.ParseGoVersion("go version go1.19.2 darwin/amd64") | ||
| assert.NoErr(t, err) | ||
| assert.NotEmpty(t, info) | ||
| assert.Eq(t, "1.19.2", info.Version) | ||
| assert.Eq(t, "darwin", info.GoOS) | ||
| assert.Eq(t, "amd64", info.Arch) | ||
|
|
||
| info, err = sysutil.OsGoInfo() | ||
| assert.NoErr(t, err) | ||
| assert.NotEmpty(t, info) | ||
| dump.P(info) | ||
| } |
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