mirror of
https://github.com/aptly-dev/aptly.git
synced 2026-04-20 19:38:39 +00:00
80 lines
2.1 KiB
Go
80 lines
2.1 KiB
Go
package cmd
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import (
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"fmt"
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"github.com/gonuts/commander"
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"github.com/gonuts/flag"
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"github.com/smira/aptly/debian"
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"strings"
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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 err
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}
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snapshotCollection := debian.NewSnapshotCollection(context.database)
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sources := make([]*debian.Snapshot, len(args)-1)
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for i := 0; i < len(args)-1; i++ {
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sources[i], err = 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 = 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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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(), true)
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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 := debian.NewSnapshotFromRefList(args[0], sources, result,
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fmt.Sprintf("Merged from sources: %s", strings.Join(sourceDescription, ", ")))
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err = 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 merges several <source> snapshots into one <destination> snapshot.
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Merge happens from left to right. Packages with the same name-architecture
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pair are replaced during merge (package from latest snapshot on the list
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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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Flag: *flag.NewFlagSet("aptly-snapshot-merge", flag.ExitOnError),
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}
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return cmd
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}
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