forked from icambridge/gomposer
/
main.go
132 lines (103 loc) · 2.33 KB
/
main.go
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package main
import (
"fmt"
"github.com/codegangsta/cli"
"github.com/icambridge/cartel"
"github.com/icambridge/go-dependency"
"github.com/icambridge/gomposer/gomposer"
"os"
)
func main() {
app := cli.NewApp()
app.Name = "gomposer"
app.Usage = "Composer is go bro"
app.Commands = []cli.Command{
{
Name: "update",
Usage: "Updates",
Action: Update,
},
{
Name: "install",
Usage: "Installs",
Action: Install,
},
}
app.Run(os.Args)
}
func Install(c *cli.Context) {
lockFile := "composer.lock"
if _, found := os.Stat(lockFile); os.IsNotExist(found) {
Update(c)
return
}
fmt.Println("Reading lock")
lock, err := gomposer.ReadLock(lockFile)
if err != nil {
panic(err)
}
Download(lock.Packages)
}
func Update(c *cli.Context) {
r := gomposer.PackageReader{}
actual, _ := r.Read("composer.json")
fmt.Println("Solving dependencies")
d := gomposer.ToDependency(actual)
hc, _ := gomposer.NewHttpClient("https://packagist.org/packages/")
pr := gomposer.PackageRepository{Client: hc}
repo := dependency.GetNewRepo(pr)
ads := dependency.GetPackageNames(d)
repo.GetAll(ads)
s := dependency.NewSolver(repo.Dependencies, repo.Replaces)
required, err := s.Solve(d)
if err != nil {
fmt.Println(err)
return
}
lockGenerator := gomposer.LockGenerator{
PackageRepo: pr,
}
newLock, err := lockGenerator.Generate(required)
if err != nil {
panic(err)
}
lockFile := "composer.lock"
oldLock, err := gomposer.ReadLock(lockFile)
if err != nil {
panic(err)
}
diff := gomposer.DiffLock(newLock, oldLock)
if len(diff["removed"]) != 0 {
Remove(diff["removed"])
}
_, found := os.Stat("vendors")
var packages []gomposer.ComposerPackage
if os.IsNotExist(found) {
packages = newLock.Packages
} else {
packages = diff["added"]
}
if len(packages) == 0 {
fmt.Println("Nothing to update")
return
}
Download(packages)
gomposer.WriteLock(newLock)
}
func Remove(packages []gomposer.ComposerPackage) {
fmt.Println("Removing outdated dependencies")
for _, p := range packages {
fmt.Println(fmt.Sprintf("Removing %s", p.Name))
gomposer.Remove("vendors", p)
}
}
func Download(packages []gomposer.ComposerPackage) {
os.Mkdir("vendors", 0777)
fmt.Println("Downloading dependencies")
c := cartel.NewPool(5)
for _, p := range packages {
t := gomposer.DownloadTask{p}
c.Do(t)
}
c.End()
}