CapCreeperGR
49b1554103
- Added an installed package info updater system (can add new fields to installed packages like "architecture" and check for other errors - Moved test packages under a x86_64 subfolder
267 lines
8.0 KiB
Go
267 lines
8.0 KiB
Go
package main
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import (
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"bufio"
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"capcreepergr.me/bpm/bpm_utils"
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"fmt"
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"log"
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"os"
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"path"
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"slices"
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"strconv"
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"strings"
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)
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/* ---BPM | Bubble Package Manager--- */
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/* Made By CapCreeperGR */
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/* A simple-to-use package manager */
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/* ---------------------------------- */
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var bpmVer = "0.0.6"
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var rootDir = "/"
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func main() {
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errs, fixed := bpm_utils.FixInstalledPackages(rootDir)
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if len(errs) != 0 {
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for pkg, err := range errs {
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fmt.Printf("Package (%s) could not be read properly\nError: %s\n", pkg, err.Error())
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}
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fmt.Println("The aforementioned packages require manual fixing. Make sure their info files are valid in " + path.Join(rootDir, "var/lib/bpm/installed"))
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os.Exit(1)
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} else {
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if fixed != 0 {
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fmt.Println("Fixed " + strconv.Itoa(fixed) + " outdated package info files")
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}
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}
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if os.Getuid() != 0 {
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fmt.Println("BPM needs to be run with superuser permissions")
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os.Exit(0)
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}
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resolveCommand()
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}
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func getArgs() []string {
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return os.Args[1:]
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}
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type commandType uint8
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const (
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help commandType = iota
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version
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info
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list
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install
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remove
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cleanup
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)
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func getCommandType() commandType {
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if len(getArgs()) == 0 {
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return help
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}
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cmd := getArgs()[0]
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switch cmd {
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case "version":
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return version
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case "info":
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return info
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case "list":
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return list
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case "install":
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return install
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case "remove":
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return remove
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case "cleanup":
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return cleanup
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default:
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return help
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}
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}
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func resolveCommand() {
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switch getCommandType() {
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case version:
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resolveFlags()
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fmt.Println("Bubble Package Manager (BPM)")
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fmt.Println("Version: " + bpmVer)
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case info:
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_, i := resolveFlags()
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packages := getArgs()[1+i:]
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if len(packages) == 0 {
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fmt.Println("No packages were given")
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return
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}
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for n, pkg := range packages {
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info := bpm_utils.GetPackageInfo(pkg, rootDir, false)
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if info == nil {
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fmt.Printf("Package (%s) could not be found\n", pkg)
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continue
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}
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fmt.Print("----------------\n" + bpm_utils.CreateInfoFile(*info))
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if n == len(packages)-1 {
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fmt.Println("----------------")
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}
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}
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case list:
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resolveFlags()
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packages, err := bpm_utils.GetInstalledPackages(rootDir)
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if err != nil {
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log.Fatalf("Could not get installed packages\nError: %s", err.Error())
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return
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}
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if len(packages) == 0 {
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fmt.Println("No packages have been installed")
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return
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}
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for n, pkg := range packages {
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info := bpm_utils.GetPackageInfo(pkg, rootDir, false)
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if info == nil {
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fmt.Printf("Package (%s) could not be found\n", pkg)
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continue
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}
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fmt.Print("----------------\n" + bpm_utils.CreateInfoFile(*info))
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if n == len(packages)-1 {
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fmt.Println("----------------")
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}
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}
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case install:
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flags, i := resolveFlags()
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files := getArgs()[1+i:]
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if len(files) == 0 {
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fmt.Println("No files were given to install")
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return
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}
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for _, file := range files {
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pkgInfo, err := bpm_utils.ReadPackage(file)
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if err != nil {
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log.Fatalf("Could not read package\nError: %s\n", err)
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}
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fmt.Print("----------------\n" + bpm_utils.CreateInfoFile(*pkgInfo))
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fmt.Println("----------------")
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if !slices.Contains(flags, "f") {
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if pkgInfo.Arch != bpm_utils.GetArch() {
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fmt.Println("skipping... cannot install a package with a different architecture")
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continue
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}
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if unresolved := bpm_utils.CheckDependencies(pkgInfo, rootDir); len(unresolved) != 0 {
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fmt.Printf("skipping... cannot install package (%s) due to missing dependencies: %s\n", pkgInfo.Name, strings.Join(unresolved, ", "))
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continue
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}
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}
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if bpm_utils.IsPackageInstalled(pkgInfo.Name, rootDir) {
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if !slices.Contains(flags, "y") {
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installedInfo := bpm_utils.GetPackageInfo(pkgInfo.Name, rootDir, false)
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if strings.Compare(pkgInfo.Version, installedInfo.Version) > 0 {
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fmt.Println("This file contains a newer version of this package (" + installedInfo.Version + " -> " + pkgInfo.Version + ")")
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fmt.Print("Do you wish to update this package? [y\\N] ")
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} else if strings.Compare(pkgInfo.Version, installedInfo.Version) < 0 {
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fmt.Println("This file contains an older version of this package (" + installedInfo.Version + " -> " + pkgInfo.Version + ")")
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fmt.Print("Do you wish to downgrade this package? (Not recommended) [y\\N] ")
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} else if strings.Compare(pkgInfo.Version, installedInfo.Version) == 0 {
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fmt.Println("This package is already installed on the system and is up to date")
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fmt.Print("Do you wish to reinstall this package? [y\\N] ")
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}
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reader := bufio.NewReader(os.Stdin)
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text, _ := reader.ReadString('\n')
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if strings.TrimSpace(strings.ToLower(text)) != "y" && strings.TrimSpace(strings.ToLower(text)) != "yes" {
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fmt.Printf("Skipping package (%s)...\n", pkgInfo.Name)
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continue
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}
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}
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err := bpm_utils.RemovePackage(pkgInfo.Name, rootDir)
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if err != nil {
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log.Fatalf("Could not remove current version of the package\nError: %s\n", err)
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}
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} else if !slices.Contains(flags, "y") {
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fmt.Print("Do you wish to install this package? [y\\N] ")
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reader := bufio.NewReader(os.Stdin)
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text, _ := reader.ReadString('\n')
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if strings.TrimSpace(strings.ToLower(text)) != "y" && strings.TrimSpace(strings.ToLower(text)) != "yes" {
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fmt.Printf("Skipping package (%s)...\n", pkgInfo.Name)
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continue
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}
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}
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err = bpm_utils.InstallPackage(file, rootDir, slices.Contains(flags, "f"))
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if err != nil {
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log.Fatalf("Could not install package\nError: %s\n", err)
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}
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fmt.Printf("Package (%s) was successfully installed!\n", pkgInfo.Name)
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}
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case remove:
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flags, i := resolveFlags()
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packages := getArgs()[1+i:]
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if len(packages) == 0 {
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fmt.Println("No packages were given")
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return
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}
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for _, pkg := range packages {
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pkgInfo := bpm_utils.GetPackageInfo(pkg, rootDir, false)
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if pkgInfo == nil {
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fmt.Printf("Package (%s) could not be found\n", pkg)
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continue
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}
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fmt.Print("----------------\n" + bpm_utils.CreateInfoFile(*pkgInfo))
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fmt.Println("----------------")
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if !slices.Contains(flags, "y") {
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reader := bufio.NewReader(os.Stdin)
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fmt.Print("Do you wish to remove this package? [y\\N] ")
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text, _ := reader.ReadString('\n')
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if strings.TrimSpace(strings.ToLower(text)) != "y" && strings.TrimSpace(strings.ToLower(text)) != "yes" {
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fmt.Printf("Skipping package (%s)...\n", pkgInfo.Name)
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continue
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}
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}
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err := bpm_utils.RemovePackage(pkg, rootDir)
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if err != nil {
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log.Fatalf("Could not remove package\nError: %s\n", err)
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}
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fmt.Printf("Package (%s) was successfully removed!\n", pkgInfo.Name)
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}
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default:
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fmt.Println("\033[1m------Help------\033[0m")
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fmt.Println("\033[1m\\ Command Format /\033[0m")
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fmt.Println("-> command format: bpm <subcommand> [-flags]...")
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fmt.Println("-> flags will be read if passed right after the subcommand otherwise they will be read as subcommand arguments")
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fmt.Println("\033[1m\\ Command List /\033[0m")
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fmt.Println("-> bpm version | shows information on the installed version of bpm")
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fmt.Println("-> bpm info | shows information on an installed package")
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fmt.Println("-> bpm list | lists all installed packages")
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fmt.Println("-> bpm install [-y, -f] <files...> | installs the following files. -y skips the confirmation prompt. -f skips dependency and architecture checking")
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fmt.Println("-> bpm remove [-y] <packages...> | removes the following packages. -y skips the confirmation prompt")
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fmt.Println("-> bpm cleanup | removes all unneeded dependencies")
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fmt.Println("\033[1m----------------\033[0m")
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}
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}
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func resolveFlags() ([]string, int) {
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flags := getArgs()[1:]
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var ret []string
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for _, flag := range flags {
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if strings.HasPrefix(flag, "-") {
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f := strings.TrimPrefix(flag, "-")
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switch getCommandType() {
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default:
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log.Fatalf("Invalid flag " + flag)
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case install:
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v := [...]string{"y", "f"}
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if !slices.Contains(v[:], f) {
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log.Fatalf("Invalid flag " + flag)
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}
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ret = append(ret, f)
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case remove:
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v := [...]string{"y"}
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if !slices.Contains(v[:], f) {
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log.Fatalf("Invalid flag " + flag)
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}
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ret = append(ret, f)
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}
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} else {
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break
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}
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}
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return ret, len(ret)
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}
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