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eget/main.go

152 lines
2.8 KiB
Go

package main
import (
"flag"
"fmt"
"os"
"strings"
"go.jolheiser.com/eget/disk"
"go.jolheiser.com/eget/forge"
"go.jolheiser.com/eget/meta"
)
var Version = "develop"
func main() {
fs := flag.NewFlagSet("eget", flag.ExitOnError)
fs.Usage = func() {
fmt.Fprintln(fs.Output(), "eget <package>")
fs.PrintDefaults()
}
versionFlag := fs.Bool("version", false, "Show version and exit")
fs.BoolVar(versionFlag, "v", *versionFlag, "--version")
updateFlag := fs.Bool("update", false, "Update package")
fs.BoolVar(updateFlag, "u", *updateFlag, "--update")
deleteFlag := flag.Bool("delete", false, "Delete package")
fs.BoolVar(deleteFlag, "d", *deleteFlag, "--delete")
syncFlag := fs.Bool("sync", false, "Sync packages")
if err := fs.Parse(os.Args[1:]); err != nil {
fs.Usage()
return
}
if *versionFlag {
fmt.Printf("eget %s\n", Version)
return
}
if *syncFlag {
if err := sync(); err != nil {
panic(err)
}
return
}
if fs.NArg() < 1 {
fs.Usage()
return
}
var f forge.Forger
var err error
m, err := meta.Read()
if err != nil {
panic(err)
}
uri := fs.Arg(0)
if *updateFlag && strings.Index(uri, "/") == -1 {
if pkg, ok := m.Packages[uri]; ok {
uri = pkg.Repo
}
}
f, err = forge.NewGitea(uri)
if strings.HasPrefix(uri, "github") {
f, err = forge.NewGitHub(uri)
}
if err != nil {
panic(err)
}
name := uriName(uri)
if *deleteFlag {
if err := os.RemoveAll(disk.Path(name)); err != nil {
panic(err)
}
if err := meta.Remove(name); err != nil {
panic(err)
}
fmt.Printf("removed %q\n", name)
return
}
asset, err := forge.LatestRelease(f)
if err != nil {
panic(err)
}
if *updateFlag {
if strings.EqualFold(asset.Version, m.Packages[name].Version) {
fmt.Printf("%q is up-to-date\n", name)
return
}
if err := os.RemoveAll(disk.Path(name)); err != nil {
panic(err)
}
}
if err := disk.Install(name, asset); err != nil {
panic(err)
}
if err := meta.Upsert(name, uri, asset.Version); err != nil {
panic(err)
}
verb := "installed"
if *updateFlag {
verb = "updated"
}
fmt.Printf("%s %q\n", verb, uri)
}
func uriName(uri string) string {
parts := strings.FieldsFunc(uri, func(r rune) bool { return r == '/' })
return parts[len(parts)-1]
}
func sync() error {
m, err := meta.Read()
if err != nil {
return err
}
var f forge.Forger
for name, pkg := range m.Packages {
fmt.Printf("syncing %q\n", name)
if err := os.RemoveAll(disk.Path(name)); err != nil {
return err
}
f, err = forge.NewGitea(pkg.Repo)
if strings.HasPrefix(pkg.Repo, "github") {
f, err = forge.NewGitHub(pkg.Repo)
}
if err != nil {
return err
}
asset, err := forge.TagRelease(f, pkg.Version)
if err != nil {
return err
}
if err := disk.Install(name, asset); err != nil {
return err
}
}
return nil
}