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🚧 attempt to not have to hard-code version and build dates
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,4 @@ | ||
| package build | ||
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| var Version = "DEV" | ||
| var Date = "" |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,152 @@ | ||
| package main | ||
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| import ( | ||
| "fmt" | ||
| "io" | ||
| "os" | ||
| "os/exec" | ||
| "path/filepath" | ||
| "runtime" | ||
| "strconv" | ||
| "strings" | ||
| "time" | ||
| ) | ||
|
|
||
| var tasks = map[string]func(string) error{ | ||
| "bin/vc": func(exe string) error { | ||
| ldflags := os.Getenv("GO_LDFLAGS") | ||
| ldflags = fmt.Sprintf("-X github.com/vulncheck-oss/cli/pkg/build.Version=%s %s", version(), ldflags) | ||
| ldflags = fmt.Sprintf("-X github.com/vulncheck-oss/cli/pkg/build.Date=%s %s", date(), ldflags) | ||
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| return run("go", "build", "-trimpath", "-ldflags", ldflags, "-o", exe, "./cmd/vc") | ||
| }, | ||
| "clean": func(_ string) error { | ||
| return rmrf("bin", "share") | ||
| }, | ||
| } | ||
|
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| var self string | ||
|
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| func main() { | ||
| args := os.Args[:1] | ||
| for _, arg := range os.Args[1:] { | ||
| if idx := strings.IndexRune(arg, '='); idx >= 0 { | ||
| os.Setenv(arg[:idx], arg[idx+1:]) | ||
| } else { | ||
| args = append(args, arg) | ||
| } | ||
| } | ||
|
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| if len(args) < 2 { | ||
| if isWindowsTarget() { | ||
| args = append(args, filepath.Join("bin", "vc.exe")) | ||
| } else { | ||
| args = append(args, "bin/vc") | ||
| } | ||
| } | ||
|
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| self = filepath.Base(args[0]) | ||
| if self == "build" { | ||
| self = "build.go" | ||
| } | ||
|
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| for _, task := range args[1:] { | ||
| t := tasks[normalizeTask(task)] | ||
| if t == nil { | ||
| fmt.Fprintf(os.Stderr, "Don't know how to build task `%s`.\n", task) | ||
| os.Exit(1) | ||
| } | ||
|
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| err := t(task) | ||
| if err != nil { | ||
| fmt.Fprintln(os.Stderr, err) | ||
| fmt.Fprintf(os.Stderr, "%s: building task `%s` failed.\n", self, task) | ||
| os.Exit(1) | ||
| } | ||
| } | ||
| } | ||
|
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| func version() string { | ||
| if versionEnv := os.Getenv("VC_VERSION"); versionEnv != "" { | ||
| return versionEnv | ||
| } | ||
| if desc, err := cmdOutput("git", "describe", "--tags"); err == nil { | ||
| return desc | ||
| } | ||
| rev, _ := cmdOutput("git", "rev-parse", "--short", "HEAD") | ||
| return rev | ||
| } | ||
|
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||
| func date() string { | ||
| t := time.Now() | ||
| if sourceDate := os.Getenv("SOURCE_DATE_EPOCH"); sourceDate != "" { | ||
| if sec, err := strconv.ParseInt(sourceDate, 10, 64); err == nil { | ||
| t = time.Unix(sec, 0) | ||
| } | ||
| } | ||
| return t.Format("2006-01-02") | ||
| } | ||
|
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||
| func cmdOutput(args ...string) (string, error) { | ||
| exe, err := exec.LookPath(args[0]) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| cmd := exec.Command(exe, args[1:]...) | ||
| cmd.Stderr = io.Discard | ||
| out, err := cmd.Output() | ||
| return strings.TrimSuffix(string(out), "\n"), err | ||
| } | ||
|
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| func run(args ...string) error { | ||
| exe, err := exec.LookPath(args[0]) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| announce(args...) | ||
| cmd := exec.Command(exe, args[1:]...) | ||
| cmd.Stdout = os.Stdout | ||
| cmd.Stderr = os.Stderr | ||
| return cmd.Run() | ||
| } | ||
|
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||
| func rmrf(targets ...string) error { | ||
| args := append([]string{"rm", "-rf"}, targets...) | ||
| announce(args...) | ||
| for _, target := range targets { | ||
| if err := os.RemoveAll(target); err != nil { | ||
| return err | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
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| func announce(args ...string) { | ||
| fmt.Println(shellInspect(args)) | ||
| } | ||
|
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| func shellInspect(args []string) string { | ||
| fmtArgs := make([]string, len(args)) | ||
| for i, arg := range args { | ||
| if strings.ContainsAny(arg, " \t'\"") { | ||
| fmtArgs[i] = fmt.Sprintf("%q", arg) | ||
| } else { | ||
| fmtArgs[i] = arg | ||
| } | ||
| } | ||
| return strings.Join(fmtArgs, " ") | ||
| } | ||
|
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||
| func normalizeTask(t string) string { | ||
| return filepath.ToSlash(strings.TrimSuffix(t, ".exe")) | ||
| } | ||
|
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||
| func isWindowsTarget() bool { | ||
| if os.Getenv("GOOS") == "windows" { | ||
| return true | ||
| } | ||
| if runtime.GOOS == "windows" { | ||
| return true | ||
| } | ||
| return false | ||
| } |