71 lines
1.3 KiB
Go
71 lines
1.3 KiB
Go
package internal
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import (
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"archive/tar"
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"encoding/json"
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"fmt"
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"io"
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"os"
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"os/exec"
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"strings"
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"github.com/ulikunitz/xz"
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)
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type Manifest struct {
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Name string `json:"name"`
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Version string `json:"version"`
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Description string `json:"description"`
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Dependencies []string `json:"dependencies"`
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Author string `json:"author"`
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Family string `json:"family"`
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Serial uint `json:"serial"`
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}
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func PacketsPackageDir() string {
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out, _ := exec.Command("uname", "-s").Output()
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if uname := strings.TrimSpace(string(out)); uname == "OpenTTY" {
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return "/mnt/....."
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} else {
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return "/etc/packets"
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}
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}
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func ManifestReadXZ(path string) (*Manifest, error) {
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f, err := os.Open(path)
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if err != nil {
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return nil, err
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}
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defer f.Close()
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xzr, err := xz.NewReader(f)
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if err != nil {
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return nil, err
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}
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tr := tar.NewReader(xzr)
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for {
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hdr, err := tr.Next()
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if err == io.EOF {
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break
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}
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if err != nil {
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return nil, err
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}
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if strings.HasSuffix(hdr.Name, "/manifest.json") || hdr.Name == "manifest.json" {
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var manifest Manifest
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decoder := json.NewDecoder(tr)
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if err := decoder.Decode(&manifest); err != nil {
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return nil, err
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}
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return &manifest, nil
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}
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}
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return nil, fmt.Errorf("can't find manifest.json")
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}
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