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main.go
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main.go
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package main
import (
"bufio"
"errors"
"fmt"
"io/ioutil"
"os"
"strings"
"github.com/just-install/just-install-updater-go/jiup"
"github.com/just-install/just-install-updater-go/jiup/registry"
"github.com/spf13/pflag"
)
func main() {
verbose := pflag.BoolP("verbose", "v", false, "Show more output")
dryRun := pflag.BoolP("dry-run", "d", false, "Do not actually write the changes")
force := pflag.BoolP("force", "f", false, "Update all entries including ones with a matching version")
commitMessageFile := pflag.StringP("commit-message-file", "c", "", "If set, jiup-go will save a commit message describing the changes to a file.")
readBroken := pflag.StringP("read-broken", "b", "", "If set, jiup-go will ignore rules listed in the specified file")
quiet := pflag.BoolP("quiet", "q", false, "Do not output progress info")
help := pflag.Bool("help", false, "Show this help text")
pflag.Parse()
if *help || pflag.NArg() < 1 {
helpExit()
}
registryPath := pflag.Arg(0)
buf, err := ioutil.ReadFile(registryPath)
if err != nil {
fmt.Fprintf(os.Stderr, "Error opening registry: %v\n", err)
os.Exit(1)
}
r, err := registry.NewFromJSON(buf)
if err != nil {
fmt.Fprintf(os.Stderr, "Error parsing registry: %v\n", err)
os.Exit(1)
}
u := jiup.New(r)
if pflag.NArg() > 1 {
u, err = jiup.NewForPackages(r, pflag.Args()[1:])
if err != nil {
fmt.Fprintf(os.Stderr, "Error: %v\n", err)
os.Exit(1)
}
}
var broken map[string]error
if *readBroken != "" {
broken = map[string]error{}
f, err := os.Open(*readBroken)
if err != nil {
fmt.Fprintf(os.Stderr, "Error: failed to open %q: %v\n", *readBroken, err)
os.Exit(1)
}
sc := bufio.NewScanner(f)
for sc.Scan() {
spl := strings.SplitN(sc.Text(), ":", 2)
if len(spl) != 2 || spl[0] == "" {
continue
}
var err error
if spl[1] != "" {
err = errors.New(spl[1])
} else {
err = errors.New("error")
}
broken[spl[0]] = err
}
f.Close()
if sc.Err() != nil {
fmt.Fprintf(os.Stderr, "Error: failed to read %q: %v\n", *readBroken, err)
os.Exit(1)
}
}
updated, unchanged, norule, rolling, skipped, errored := u.Update(!*quiet, *verbose, *force, broken)
if commitMessageFile != nil && *commitMessageFile != "" {
pkgs := []string{}
pkgvs := []string{}
for pkg, v := range updated {
pkgs = append(pkgs, pkg)
pkgvs = append(pkgvs, " - "+pkg+" ("+v+")")
}
cMessage := "jiup-go automatic commit"
if len(pkgs) > 0 {
cMessage = cMessage + ": updated " + listify(pkgs)
}
cMessage = cMessage + fmt.Sprintf("\n\n%d updated, %d unchanged, %d norule (%.0f%%), %d rolling, %d skipped, %d errored\n", len(updated), len(unchanged), len(norule), float32(len(norule))/float32(len(u.Registry.Packages))*100.0, len(rolling), len(skipped), len(errored))
if len(updated) > 0 {
cMessage = cMessage + "\nUpdated:\n" + strings.Join(pkgvs, "\n") + "\n"
}
if len(errored) > 0 {
errs := []string{}
for pkg, err := range errored {
errs = append(errs, " - "+pkg+" ("+err.Error()+")")
}
cMessage = cMessage + "\nErrors:\n" + strings.Join(errs, "\n") + "\n"
}
err := ioutil.WriteFile(*commitMessageFile, []byte(cMessage), 0644)
if err != nil {
fmt.Fprintf(os.Stderr, "Error writing commit message: %v\n", err)
os.Exit(1)
}
}
if !*dryRun {
bufn, err := u.Registry.GetJSON()
if err != nil {
fmt.Fprintf(os.Stderr, "Error generating new JSON: %v\n", err)
os.Exit(1)
}
err = ioutil.WriteFile(registryPath, bufn, 0644)
if err != nil {
fmt.Fprintf(os.Stderr, "Error writing new registry: %v\n", err)
os.Exit(1)
}
}
fmt.Printf("\n===== RESULTS =====\n")
if len(norule) > 0 {
fmt.Printf("No rule:\n")
for _, pkgName := range norule {
fmt.Printf(" %s\n", pkgName)
}
fmt.Printf("\n")
}
if len(rolling) > 0 {
fmt.Printf("Rolling:\n")
for _, pkgName := range rolling {
fmt.Printf(" %s\n", pkgName)
}
fmt.Printf("\n")
}
if len(unchanged) > 0 {
fmt.Printf("Unchanged:\n")
for _, pkgName := range unchanged {
fmt.Printf(" %s\n", pkgName)
}
fmt.Printf("\n")
}
if len(updated) > 0 {
fmt.Printf("Updated:\n")
for pkgName, version := range updated {
fmt.Printf(" %s to %s\n", pkgName, version)
}
fmt.Printf("\n")
}
if len(errored) > 0 {
fmt.Printf("Errors:\n")
for pkgName, err := range errored {
fmt.Fprintf(os.Stderr, " %s: %v\n", pkgName, err)
}
fmt.Printf("\n")
}
fmt.Printf("Summary: %d updated, %d unchanged, %d norule (%.0f%%), %d rolling, %d skipped, %d errored\n", len(updated), len(unchanged), len(norule), float32(len(norule))/float32(len(u.Registry.Packages))*100.0, len(rolling), len(skipped), len(errored))
if *dryRun {
fmt.Printf("\nDRY RUN. NO CHANGES WERE MADE.\n")
}
os.Exit(0)
}
func helpExit() {
fmt.Fprintf(os.Stderr, "Usage: just-install-updater [options] registry [packages...]\n\n")
pflag.PrintDefaults()
fmt.Fprintf(os.Stderr, "\nArguments:\n registry is the path to just-install.json\n packages are the packages to update (default is all)\n")
os.Exit(1)
}
func errExit() {
os.Exit(1)
}
func listify(arr []string) string {
switch len(arr) {
case 0:
return ""
case 1:
return arr[0]
case 2:
return arr[0] + " and " + arr[1]
default:
return strings.Join(arr[:len(arr)-1], ", ") + ", and " + arr[len(arr)-1]
}
}