Matheus Sampaio Queiroga
0df872b33c
Signed-off-by: Matheus Sampaio Queiroga <srherobrine20@gmail.com>
83 lines
2.2 KiB
Go
83 lines
2.2 KiB
Go
package dpkg
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import (
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"archive/tar"
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"bytes"
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"fmt"
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"io"
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"sirherobrine23.com.br/gitea/act/ar"
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)
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/* DPKG is ar file
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debian-binary 4: `2.0\n`
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control.tar(.gz|.xz) -1: <BINARY>
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data.tar(.gz|.xz|.zst) -1: <BINARY>
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*/
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type Dpkg struct {
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Pkg *Package
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Data io.Reader
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DataSize int64
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PreInstall []byte
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PreRemove []byte
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PostInstall []byte
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PostRemove []byte
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}
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func WriteDpkg(w io.Writer, pkg *Dpkg) error {
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arWrite := ar.NewWriter(w)
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arWrite.WriteGlobalHeader()
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if err := arWrite.WriteHeader(&ar.Header{Name: "debian-binary", Size: 4}); err != nil {
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return err
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} else if _, err = arWrite.Write([]byte("2.0\n")); err != nil {
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return err
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}
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controlTarballBuff := &bytes.Buffer{}
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controlTarball := tar.NewWriter(controlTarballBuff)
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defer controlTarball.Close()
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// Control file
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controlFile, err := pkg.Pkg.MarshalBinary()
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if err != nil {
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return err
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}
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controlTarball.WriteHeader(&tar.Header{Name: "control", Size: int64(len(controlFile)), Mode: 0644})
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controlTarball.Write(controlFile)
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if pkg.PreInstall != nil {
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controlTarball.WriteHeader(&tar.Header{Name: "preinst", Size: int64(len(pkg.PreInstall)), Mode: 0755})
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controlTarball.Write(pkg.PreInstall)
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}
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if pkg.PostInstall != nil {
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controlTarball.WriteHeader(&tar.Header{Name: "postinst", Size: int64(len(pkg.PostInstall)), Mode: 0755})
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controlTarball.Write(pkg.PostInstall)
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}
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if pkg.PreRemove != nil {
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controlTarball.WriteHeader(&tar.Header{Name: "prerm", Size: int64(len(pkg.PreRemove)), Mode: 0755})
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controlTarball.Write(pkg.PreRemove)
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}
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if pkg.PostRemove != nil {
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controlTarball.WriteHeader(&tar.Header{Name: "postrm", Size: int64(len(pkg.PostRemove)), Mode: 0755})
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controlTarball.Write(pkg.PostRemove)
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}
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controlTarball.Close()
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if err = arWrite.WriteHeader(&ar.Header{Name: "control.tar", Size: int64(len(controlTarballBuff.Bytes()))}); err != nil {
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return err
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} else if _, err = arWrite.Write(controlTarballBuff.Bytes()); err != nil {
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return err
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}
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fileExt, read, err := compressExt(pkg.Data)
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if err != nil {
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return err
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} else if err = arWrite.WriteHeader(&ar.Header{Name: fmt.Sprintf("data.tar%s", fileExt), Size: pkg.DataSize}); err != nil {
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return err
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} else if _, err = io.CopyN(arWrite, read, pkg.DataSize); err != nil {
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return err
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}
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return nil
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}
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