mirror of https://github.com/aptly-dev/aptly
93 lines
2.6 KiB
Go
93 lines
2.6 KiB
Go
package cmd
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import (
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"fmt"
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"strings"
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"github.com/aptly-dev/aptly/deb"
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"github.com/smira/commander"
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)
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func aptlySnapshotMerge(cmd *commander.Command, args []string) error {
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var err error
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if len(args) < 2 {
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cmd.Usage()
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return commander.ErrCommandError
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}
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collectionFactory := context.NewCollectionFactory()
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sources := make([]*deb.Snapshot, len(args)-1)
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for i := 0; i < len(args)-1; i++ {
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sources[i], err = collectionFactory.SnapshotCollection().ByName(args[i+1])
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if err != nil {
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return fmt.Errorf("unable to load snapshot: %s", err)
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}
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err = collectionFactory.SnapshotCollection().LoadComplete(sources[i])
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if err != nil {
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return fmt.Errorf("unable to load snapshot: %s", err)
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}
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}
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latest := context.Flags().Lookup("latest").Value.Get().(bool)
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noRemove := context.Flags().Lookup("no-remove").Value.Get().(bool)
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if noRemove && latest {
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return fmt.Errorf("-no-remove and -latest can't be specified together")
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}
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overrideMatching := !latest && !noRemove
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result := sources[0].RefList()
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for i := 1; i < len(sources); i++ {
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result = result.Merge(sources[i].RefList(), overrideMatching, false)
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}
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if latest {
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result.FilterLatestRefs()
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}
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sourceDescription := make([]string, len(sources))
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for i, s := range sources {
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sourceDescription[i] = fmt.Sprintf("'%s'", s.Name)
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}
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// Create <destination> snapshot
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destination := deb.NewSnapshotFromRefList(args[0], sources, result,
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fmt.Sprintf("Merged from sources: %s", strings.Join(sourceDescription, ", ")))
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err = collectionFactory.SnapshotCollection().Add(destination)
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if err != nil {
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return fmt.Errorf("unable to create snapshot: %s", err)
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}
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fmt.Printf("\nSnapshot %s successfully created.\nYou can run 'aptly publish snapshot %s' to publish snapshot as Debian repository.\n", destination.Name, destination.Name)
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return err
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}
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func makeCmdSnapshotMerge() *commander.Command {
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cmd := &commander.Command{
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Run: aptlySnapshotMerge,
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UsageLine: "merge <destination> <source> [<source>...]",
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Short: "merges snapshots",
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Long: `
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Merge command merges several <source> snapshots into one <destination> snapshot.
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Merge happens from left to right. By default, packages with the same
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name-architecture pair are replaced during merge (package from latest snapshot
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on the list wins). If run with only one source snapshot, merge copies <source> into
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<destination>.
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Example:
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$ aptly snapshot merge wheezy-w-backports wheezy-main wheezy-backports
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`,
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}
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cmd.Flag.Bool("latest", false, "use only the latest version of each package")
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cmd.Flag.Bool("no-remove", false, "don't remove duplicate arch/name packages")
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return cmd
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}
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