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package cmd
import (
"fmt"
"sort"
"strings"
"github.com/aptly-dev/aptly/deb"
"github.com/aptly-dev/aptly/query"
"github.com/smira/commander"
"github.com/smira/flag"
)
func aptlySnapshotPull(cmd *commander.Command, args []string) error {
var err error
if len(args) < 4 {
cmd.Usage()
return commander.ErrCommandError
}
noDeps := context.Flags().Lookup("no-deps").Value.Get().(bool)
noRemove := context.Flags().Lookup("no-remove").Value.Get().(bool)
allMatches := context.Flags().Lookup("all-matches").Value.Get().(bool)
collectionFactory := context.NewCollectionFactory()
// Load <name> snapshot
snapshot, err := collectionFactory.SnapshotCollection().ByName(args[0])
if err != nil {
return fmt.Errorf("unable to pull: %s", err)
}
err = collectionFactory.SnapshotCollection().LoadComplete(snapshot)
if err != nil {
return fmt.Errorf("unable to pull: %s", err)
}
// Load <source> snapshot
source, err := collectionFactory.SnapshotCollection().ByName(args[1])
if err != nil {
return fmt.Errorf("unable to pull: %s", err)
}
err = collectionFactory.SnapshotCollection().LoadComplete(source)
if err != nil {
return fmt.Errorf("unable to pull: %s", err)
}
context.Progress().Printf("Dependencies would be pulled into snapshot:\n %s\nfrom snapshot:\n %s\nand result would be saved as new snapshot %s.\n",
snapshot, source, args[2])
// Convert snapshot to package list
context.Progress().Printf("Loading packages (%d)...\n", snapshot.RefList().Len()+source.RefList().Len())
packageList, err := deb.NewPackageListFromRefList(snapshot.RefList(), collectionFactory.PackageCollection(), context.Progress())
if err != nil {
return fmt.Errorf("unable to load packages: %s", err)
}
sourcePackageList, err := deb.NewPackageListFromRefList(source.RefList(), collectionFactory.PackageCollection(), context.Progress())
if err != nil {
return fmt.Errorf("unable to load packages: %s", err)
}
context.Progress().Printf("Building indexes...\n")
packageList.PrepareIndex()
sourcePackageList.PrepareIndex()
// Calculate architectures
var architecturesList []string
if len(context.ArchitecturesList()) > 0 {
architecturesList = context.ArchitecturesList()
} else {
architecturesList = packageList.Architectures(false)
}
sort.Strings(architecturesList)
if len(architecturesList) == 0 {
return fmt.Errorf("unable to determine list of architectures, please specify explicitly")
}
// Build architecture query: (arch == "i386" | arch == "amd64" | ...)
var archQuery deb.PackageQuery = &deb.FieldQuery{Field: "$Architecture", Relation: deb.VersionEqual, Value: ""}
for _, arch := range architecturesList {
archQuery = &deb.OrQuery{L: &deb.FieldQuery{Field: "$Architecture", Relation: deb.VersionEqual, Value: arch}, R: archQuery}
}
// Initial queries out of arguments
queries := make([]deb.PackageQuery, len(args)-3)
for i, arg := range args[3:] {
value, err := GetStringOrFileContent(arg)
if err != nil {
return fmt.Errorf("unable to read package query from file %s: %w", arg, err)
}
queries[i], err = query.Parse(value)
if err != nil {
return fmt.Errorf("unable to parse query: %s", err)
}
// Add architecture filter
queries[i] = &deb.AndQuery{L: queries[i], R: archQuery}
}
// Filter with dependencies as requested
result, err := sourcePackageList.Filter(deb.FilterOptions{
Queries: queries,
WithDependencies: !noDeps,
Source: packageList,
DependencyOptions: context.DependencyOptions(),
Architectures: architecturesList,
Progress: context.Progress(),
})
if err != nil {
return fmt.Errorf("unable to pull: %s", err)
}
result.PrepareIndex()
alreadySeen := map[string]bool{}
_ = result.ForEachIndexed(func(pkg *deb.Package) error {
key := pkg.Architecture + "_" + pkg.Name
_, seen := alreadySeen[key]
// If we haven't seen such name-architecture pair and were instructed to remove, remove it
if !noRemove && !seen {
// Remove all packages with the same name and architecture
pS := packageList.Search(deb.Dependency{Architecture: pkg.Architecture, Pkg: pkg.Name}, true, false)
for _, p := range pS {
packageList.Remove(p)
context.Progress().ColoredPrintf("@r[-]@| %s removed", p)
}
}
// If !allMatches, add only first matching name-arch package
if !seen || allMatches {
_ = packageList.Add(pkg)
context.Progress().ColoredPrintf("@g[+]@| %s added", pkg)
}
alreadySeen[key] = true
return nil
})
alreadySeen = nil
if context.Flags().Lookup("dry-run").Value.Get().(bool) {
context.Progress().Printf("\nNot creating snapshot, as dry run was requested.\n")
} else {
// Create <destination> snapshot
destination := deb.NewSnapshotFromPackageList(args[2], []*deb.Snapshot{snapshot, source}, packageList,
fmt.Sprintf("Pulled into '%s' with '%s' as source, pull request was: '%s'", snapshot.Name, source.Name, strings.Join(args[3:], " ")))
err = collectionFactory.SnapshotCollection().Add(destination)
if err != nil {
return fmt.Errorf("unable to create snapshot: %s", err)
}
context.Progress().Printf("\nSnapshot %s successfully created.\nYou can run 'aptly publish snapshot %s' to publish snapshot as Debian repository.\n", destination.Name, destination.Name)
}
return err
}
func makeCmdSnapshotPull() *commander.Command {
cmd := &commander.Command{
Run: aptlySnapshotPull,
UsageLine: "pull <name> <source> <destination> <package-query> ...",
Short: "pull packages from another snapshot",
Long: `
Command pull pulls new packages along with its' dependencies to snapshot <name>
from snapshot <source>. Pull can upgrade package version in <name> with
versions from <source> following dependencies. New snapshot <destination>
is created as a result of this process. Packages could be specified simply
as 'package-name' or as package queries.
Use '@file' syntax to read package queries from file and '@-' to read from stdin.
Example:
$ aptly snapshot pull wheezy-main wheezy-backports wheezy-new-xorg xorg-server-server
`,
Flag: *flag.NewFlagSet("aptly-snapshot-pull", flag.ExitOnError),
}
cmd.Flag.Bool("dry-run", false, "don't create destination snapshot, just show what would be pulled")
cmd.Flag.Bool("no-deps", false, "don't process dependencies, just pull listed packages")
cmd.Flag.Bool("no-remove", false, "don't remove other package versions when pulling package")
cmd.Flag.Bool("all-matches", false, "pull all the packages that satisfy the dependency version requirements")
return cmd
}
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