105 lines
2.0 KiB
Go
105 lines
2.0 KiB
Go
//go:generate go run -mod=vendor git.rootprojects.org/root/go-gitver
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package main
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import (
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"bytes"
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"fmt"
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"go/format"
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"os"
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"text/template"
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"time"
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"git.rootprojects.org/root/go-gitver/gitver"
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)
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var commit, version, date string
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var exitCode int
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var verFile = "xversion.go"
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func main() {
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pkg := "main"
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args := os.Args[1:]
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for i := range args {
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arg := args[i]
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if "-f" == arg || "--fail" == arg {
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exitCode = 1
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} else if ("--outfile" == arg || "-o" == arg) && len(args) > i+1 {
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verFile = args[i+1]
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args[i+1] = ""
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} else if "--package" == arg && len(args) > i+1 {
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pkg = args[i+1]
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args[i+1] = ""
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} else if "-V" == arg || "version" == arg || "-version" == arg || "--version" == arg {
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fmt.Println(commit)
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fmt.Println(version)
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fmt.Println(date)
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os.Exit(0)
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}
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}
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if "" != os.Getenv("GITVER_FAIL") && "false" != os.Getenv("GITVER_FAIL") {
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exitCode = 1
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}
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v, err := gitver.ExecAndParse()
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if nil != err {
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fmt.Fprintf(os.Stderr, "Failed to get git version: %s\n", err)
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if exitCode > 0 {
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os.Exit(exitCode)
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}
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v = &gitver.Versions{
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Timestamp: time.Now(),
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}
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}
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// Create or overwrite the go file from template
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var buf bytes.Buffer
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if err := versionTpl.Execute(&buf, struct {
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Package string
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Timestamp string
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Version string
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Commit string
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}{
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Package: pkg,
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Timestamp: v.Timestamp.Format(time.RFC3339),
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Version: v.Version,
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Commit: v.Rev,
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}); nil != err {
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panic(err)
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}
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// Format
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src, err := format.Source(buf.Bytes())
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if nil != err {
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panic(err)
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}
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// Write to disk (in the Current Working Directory)
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f, err := os.Create(verFile)
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if nil != err {
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panic(err)
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}
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if _, err := f.Write(src); nil != err {
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panic(err)
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}
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if err := f.Close(); nil != err {
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panic(err)
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}
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}
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var versionTpl = template.Must(template.New("").Parse(`// Code generated by go generate; DO NOT EDIT.
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package {{ .Package }}
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func init() {
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{{ if .Commit -}}
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commit = "{{ .Commit }}"
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{{ end -}}
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{{ if .Version -}}
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version = "{{ .Version }}"
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{{ end -}}
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date = "{{ .Timestamp }}"
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}
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`))
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