- Added hard link extraction support

- Can now add comments to pkg.info files
- Moved source package temp directory from /tmp to /var/tmp to allow for larger packages to be compiled
This commit is contained in:
CapCreeperGR 2024-03-29 20:09:40 +02:00
parent 036578e652
commit 43c4a626f1
11 changed files with 152 additions and 24 deletions

View File

@ -22,6 +22,8 @@ type PackageInfo struct {
Name string
Description string
Version string
Url string
License string
Arch string
Type string
Depends []string
@ -29,6 +31,39 @@ type PackageInfo struct {
Provides []string
}
func GetPackageInfoRaw(filename string) (string, error) {
if _, err := os.Stat(filename); os.IsNotExist(err) {
return "", err
}
file, err := os.Open(filename)
if err != nil {
return "", err
}
archive, err := gzip.NewReader(file)
if err != nil {
return "", err
}
tr := tar.NewReader(archive)
for {
header, err := tr.Next()
if err == io.EOF {
break
}
if err != nil {
return "", err
}
if header.Name == "pkg.info" {
bs, _ := io.ReadAll(tr)
err := file.Close()
if err != nil {
return "", err
}
return string(bs), nil
}
}
return "", errors.New("pkg.info not found in archive")
}
func ReadPackage(filename string) (*PackageInfo, error) {
if _, err := os.Stat(filename); os.IsNotExist(err) {
return nil, err
@ -71,6 +106,8 @@ func ReadPackageInfo(contents string, defaultValues bool) (*PackageInfo, error)
Name: "",
Description: "",
Version: "",
Url: "",
License: "",
Arch: "",
Type: "",
Depends: nil,
@ -82,6 +119,9 @@ func ReadPackageInfo(contents string, defaultValues bool) (*PackageInfo, error)
if len(strings.TrimSpace(line)) == 0 {
continue
}
if line[0] == '#' {
continue
}
split := strings.SplitN(line, ":", 2)
if len(split) != 2 {
return nil, errors.New("invalid pkg.info format at line " + strconv.Itoa(num))
@ -95,6 +135,10 @@ func ReadPackageInfo(contents string, defaultValues bool) (*PackageInfo, error)
pkgInfo.Description = split[1]
case "version":
pkgInfo.Version = split[1]
case "url":
pkgInfo.Url = split[1]
case "license":
pkgInfo.License = split[1]
case "architecture":
pkgInfo.Arch = split[1]
case "type":
@ -131,6 +175,12 @@ func CreateInfoFile(pkgInfo PackageInfo) string {
ret = ret + "name: " + pkgInfo.Name + "\n"
ret = ret + "description: " + pkgInfo.Description + "\n"
ret = ret + "version: " + pkgInfo.Version + "\n"
if pkgInfo.Url != "" {
ret = ret + "url: " + pkgInfo.Url + "\n"
}
if pkgInfo.License != "" {
ret = ret + "license: " + pkgInfo.License + "\n"
}
ret = ret + "architecture: " + pkgInfo.Arch + "\n"
ret = ret + "type: " + pkgInfo.Type + "\n"
if len(pkgInfo.Depends) > 0 {
@ -168,7 +218,9 @@ func InstallPackage(filename, installDir string, force bool) error {
return errors.New("Could not resolve all dependencies. Missing " + strings.Join(unresolved, ", "))
}
}
if pkgInfo.Type == "binary" {
seenHardlinks := make(map[string]string)
for {
header, err := tr.Next()
if err == io.EOF {
@ -190,6 +242,10 @@ func InstallPackage(filename, installDir string, force bool) error {
fmt.Println("Creating Directory: " + extractFilename)
}
case tar.TypeReg:
err := os.Remove(extractFilename)
if err != nil && !os.IsNotExist(err) {
return err
}
outFile, err := os.Create(extractFilename)
fmt.Println("Creating File: " + extractFilename)
files = append(files, strings.TrimPrefix(header.Name, "files/"))
@ -207,17 +263,36 @@ func InstallPackage(filename, installDir string, force bool) error {
return err
}
case tar.TypeSymlink:
fmt.Println("Creating Symlink: "+extractFilename, " -> "+header.Linkname)
fmt.Println("Creating Symlink: " + extractFilename + " -> " + header.Linkname)
files = append(files, strings.TrimPrefix(header.Name, "files/"))
err := os.Symlink(header.Linkname, extractFilename)
err := os.Remove(extractFilename)
if err != nil && !os.IsNotExist(err) {
return err
}
err = os.Symlink(header.Linkname, extractFilename)
if err != nil {
return err
}
case tar.TypeLink:
fmt.Println("Detected Hard Link: " + extractFilename + " -> " + path.Join(installDir, strings.TrimPrefix(header.Linkname, "files/")))
files = append(files, strings.TrimPrefix(header.Name, "files/"))
seenHardlinks[extractFilename] = path.Join(strings.TrimPrefix(header.Linkname, "files/"))
err := os.Remove(extractFilename)
if err != nil && !os.IsNotExist(err) {
return err
}
default:
return errors.New("ExtractTarGz: unknown type: " + strconv.Itoa(int(header.Typeflag)) + " in " + extractFilename)
}
}
}
for extractFilename, destination := range seenHardlinks {
fmt.Println("Creating Hard Link: " + extractFilename + " -> " + path.Join(installDir, destination))
err := os.Link(path.Join(installDir, destination), extractFilename)
if err != nil {
return err
}
}
} else if pkgInfo.Type == "source" {
for {
header, err := tr.Next()
@ -232,7 +307,7 @@ func InstallPackage(filename, installDir string, force bool) error {
if err != nil {
return err
}
temp, err := os.MkdirTemp("/tmp/", "bpm_source-")
temp, err := os.MkdirTemp("/var/tmp/", "bpm_source-")
fmt.Println("Creating temp directory at: " + temp)
if err != nil {
return err
@ -364,7 +439,11 @@ func InstallPackage(filename, installDir string, force bool) error {
if err != nil {
return err
}
_, err = f.WriteString(CreateInfoFile(*pkgInfo))
raw, err := GetPackageInfoRaw(filename)
if err != nil {
return err
}
_, err = f.WriteString(raw)
if err != nil {
return err
}
@ -441,8 +520,25 @@ func CheckDependencies(pkgInfo *PackageInfo, rootDir string) []string {
if !item.IsDir() {
continue
}
if slices.Contains(unresolved, item.Name()) {
unresolved = stringSliceRemove(unresolved, item.Name())
_, err := os.Stat(path.Join(installedDir, item.Name(), "/info"))
if err != nil {
return nil
}
bs, err := os.ReadFile(path.Join(installedDir, item.Name(), "/info"))
if err != nil {
return nil
}
info, err := ReadPackageInfo(string(bs), false)
if err != nil {
return nil
}
if slices.Contains(unresolved, info.Name) {
unresolved = stringSliceRemove(unresolved, info.Name)
}
for _, prov := range info.Provides {
if slices.Contains(unresolved, prov) {
unresolved = stringSliceRemove(unresolved, prov)
}
}
}
return unresolved
@ -464,8 +560,25 @@ func CheckMakeDependencies(pkgInfo *PackageInfo, rootDir string) []string {
if !item.IsDir() {
continue
}
if slices.Contains(unresolved, item.Name()) {
unresolved = stringSliceRemove(unresolved, item.Name())
_, err := os.Stat(path.Join(installedDir, item.Name(), "/info"))
if err != nil {
return nil
}
bs, err := os.ReadFile(path.Join(installedDir, item.Name(), "/info"))
if err != nil {
return nil
}
info, err := ReadPackageInfo(string(bs), false)
if err != nil {
return nil
}
if slices.Contains(unresolved, info.Name) {
unresolved = stringSliceRemove(unresolved, info.Name)
}
for _, prov := range info.Provides {
if slices.Contains(unresolved, prov) {
unresolved = stringSliceRemove(unresolved, prov)
}
}
}
return unresolved

36
main.go
View File

@ -17,7 +17,7 @@ import (
/* A simple-to-use package manager */
/* ---------------------------------- */
var bpmVer = "0.0.8"
var bpmVer = "0.0.9"
var rootDir = "/"
func main() {
@ -168,6 +168,21 @@ func resolveCommand() {
}
}
}
if !slices.Contains(flags, "y") {
reader := bufio.NewReader(os.Stdin)
if pkgInfo.Type == "source" {
fmt.Print("Would you like to view the source.sh file of this package? [Y\\n] ")
text, _ := reader.ReadString('\n')
if strings.TrimSpace(strings.ToLower(text)) != "n" && strings.TrimSpace(strings.ToLower(text)) != "no" {
script, err := bpm_utils.GetSourceScript(file)
if err != nil {
log.Fatalf("Could not read source script\nError: %s\n", err)
}
fmt.Println(script)
fmt.Println("-------EOF-------")
}
}
}
if bpm_utils.IsPackageInstalled(pkgInfo.Name, rootDir) {
if !slices.Contains(flags, "y") {
installedInfo := bpm_utils.GetPackageInfo(pkgInfo.Name, rootDir, false)
@ -194,20 +209,7 @@ func resolveCommand() {
}
} else if !slices.Contains(flags, "y") {
reader := bufio.NewReader(os.Stdin)
if pkgInfo.Type == "source" {
fmt.Print("Would you like to view the source.sh file of this package? [Y\\n]")
text, _ := reader.ReadString('\n')
if strings.TrimSpace(strings.ToLower(text)) != "n" && strings.TrimSpace(strings.ToLower(text)) != "no" {
script, err := bpm_utils.GetSourceScript(file)
if err != nil {
log.Fatalf("Could not read source script\nError: %s\n", err)
}
fmt.Println(script)
fmt.Println("-------EOF-------")
}
}
fmt.Printf("Do you wish to %s this package? [y\\N] ", verb)
text, _ := reader.ReadString('\n')
if strings.TrimSpace(strings.ToLower(text)) != "y" && strings.TrimSpace(strings.ToLower(text)) != "yes" {
fmt.Printf("Skipping package (%s)...\n", pkgInfo.Name)
@ -217,9 +219,15 @@ func resolveCommand() {
err = bpm_utils.InstallPackage(file, rootDir, slices.Contains(flags, "f"))
if err != nil {
if pkgInfo.Type == "source" {
fmt.Println("** It is recommended you delete the temporary bpm folder in /var/tmp **")
}
log.Fatalf("Could not install package\nError: %s\n", err)
}
fmt.Printf("Package (%s) was successfully installed!\n", pkgInfo.Name)
if pkgInfo.Type == "source" {
fmt.Println("** It is recommended you delete the temporary bpm folder in /var/tmp **")
}
}
case remove:
flags, i := resolveFlags()

View File

@ -1,5 +1,7 @@
name: bpm-utils
description: Utilities to create BPM packages
version: 1.0.0
url: https://gitlab.com/bubble-package-manager/bpm/
license: GPL3
architecture: x86_64
type: binary

Binary file not shown.

View File

@ -1,5 +1,7 @@
name: bpm
description: The Bubble Package Manager
version: 0.0.8
version: 0.0.9
url: https://gitlab.com/bubble-package-manager/bpm/
license: GPL3
architecture: x86_64
type: binary

Binary file not shown.

View File

@ -1,5 +1,8 @@
name: htop
description: An interactive process viewer
version: 3.3.0
url: https://github.com/htop-dev/htop
license: GPL2
architecture: x86_64
type: source
#make_depends: git

View File

@ -1,5 +1,5 @@
# This file is read and executed by BPM to compile htop. It will run inside a temporary folder in /tmp during execution
echo "Building htop..."
echo "Compiling htop..."
# Creating 'source' directory
mkdir source
# Cloning the git repository into the 'source' directory