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/* {{{ Copyright (c) Paul R. Tagliamonte <paultag@debian.org>, 2015
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE. }}} */
package archive
import (
"fmt"
"io"
"os"
"strings"
"pault.ag/go/debian/control"
// "pault.ag/go/debian/deb"
"pault.ag/go/debian/dependency"
"pault.ag/go/debian/version"
)
type SourceName struct {
Name string
Version version.Version
}
func (sn *SourceName) UnmarshalControl(data string) error {
hunks := strings.Split(data, " ")
var err error
switch len(hunks) {
case 1:
sn.Name = hunks[0]
return nil
case 2:
sn.Name = hunks[0]
sn.Version, err = version.Parse(hunks[1][1 : len(hunks[1])-1])
if err != nil {
return err
}
return nil
default:
return fmt.Errorf("Source entry is malformed: %s\n", data)
}
}
func (sn *SourceName) MarshalControl() (string, error) {
if sn.Version.Empty() {
return sn.Name, nil
}
return fmt.Sprintf("%s (%s)", sn.Name, sn.Version.String()), nil
}
// Source {{{
// The files dists/$DIST/$COMP/source/Sources are called Sources indices. They
// consist of multiple paragraphs, where each paragraph has the format defined
// in Policy 5.5 (5.4 Debian source control files -- .dsc), with the following
// changes and additional fields. The changes are:
//
// - The "Source" field is renamed to "Package"
// - A new mandatory field "Directory"
// - A new optional field "Priority"
// - A new optional field "Section"
// - (Note that any fields present in .dsc files can end here as well, even if
// - they are not documented by Debian policy, or not yet documented yet).
//
// Each paragraph shall begin with a "Package" field. Clients may also accept
// files where this is not the case.
type Source struct {
control.Paragraph
Package string
Directory string `required:"true"`
Priority string
Section string
Format string
Binaries []string `control:"Binary" delim:","`
Architectures []dependency.Arch `control:"Architecture"`
Version version.Version
Origin string
Maintainer string
Uploaders []string
Homepage string
StandardsVersion string `control:"Standards-Version"`
PackageList []string `control:"Package-List" delim:"\n" strip:" \t\n\r" multiline:"true"`
ChecksumsSha1 []control.SHA1FileHash `control:"Checksums-Sha1" delim:"\n" strip:" \t\n\r" multiline:"true"`
ChecksumsSha256 []control.SHA256FileHash `control:"Checksums-Sha256" delim:"\n" strip:" \t\n\r" multiline:"true"`
Files []control.MD5FileHash `delim:"\n" strip:" \t\n\r" multiline:"true"`
}
// Source Helpers {{{
func (s Source) BuildDepends() (*dependency.Dependency, error) {
return dependency.Parse(s.Paragraph.Values["Build-Depends"])
}
// }}}
// SourceFromDsc {{{
func SourceFromDsc(dsc *control.DSC, directory string) (*Source, error) {
pkg := Source{}
paragraph := dsc.Paragraph
paragraph.Set("Directory", directory)
// paragraph.Set("Filename", debFile.Path)
return &pkg, control.UnpackFromParagraph(paragraph, &pkg)
}
// }}}
// }}}
// Sources {{{
type Sources struct {
decoder *control.Decoder
}
// Next {{{
// Get the next Source entry in the Sources list. This will return an
// io.EOF at the last entry.
func (p *Sources) Next() (*Source, error) {
next := Source{}
return &next, p.decoder.Decode(&next)
}
// }}}
// LoadSourcesFile {{{
// Given a path, create a Sources iterator. Note that the Sources
// file is not OpenPGP signed, so one will need to verify the integrety
// of this file from the InRelease file before trusting any output.
func LoadSourcesFile(path string) (*Sources, error) {
fd, err := os.Open(path)
if err != nil {
return nil, err
}
return LoadSources(fd)
}
// }}}
// LoadSources {{{
// Given an io.Reader, create a Sources iterator. Note that the Sources
// file is not OpenPGP signed, so one will need to verify the integrety
// of this file from the InRelease file before trusting any output.
func LoadSources(in io.Reader) (*Sources, error) {
decoder, err := control.NewDecoder(in, nil)
if err != nil {
return nil, err
}
return &Sources{decoder: decoder}, nil
}
// }}}
// }}}
// vim: foldmethod=marker
|
