94 lines
2.0 KiB
Go
94 lines
2.0 KiB
Go
package repomaint
|
|
|
|
import (
|
|
"fmt"
|
|
"log/slog"
|
|
"os"
|
|
"path/filepath"
|
|
"sync"
|
|
|
|
"github.com/ewpt3ch/pkgstash/internal/cache"
|
|
)
|
|
|
|
const (
|
|
repoArch = "os/x86_64"
|
|
dbSuffix = ".db.tar.gz"
|
|
pkgSuffix = "-x86_64.pkg.tar.zst"
|
|
)
|
|
|
|
type CacheClient interface {
|
|
FetchDB(repo string) error
|
|
Fetch(relpath string) (*cache.CacheFile, error)
|
|
Clean() error
|
|
}
|
|
|
|
type RepoSync struct {
|
|
c CacheClient
|
|
root *os.Root
|
|
repos []string
|
|
syncMu sync.Mutex
|
|
}
|
|
|
|
func NewRepoSync(c CacheClient, path string, repos []string) (*RepoSync, error) {
|
|
root, err := os.OpenRoot(path)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
rs := RepoSync{
|
|
c: c,
|
|
root: root,
|
|
repos: repos,
|
|
}
|
|
return &rs, nil
|
|
}
|
|
|
|
func (r *RepoSync) Sync() error {
|
|
if !r.syncMu.TryLock() {
|
|
slog.Info("sync already in progress, skipping")
|
|
return nil
|
|
}
|
|
defer r.syncMu.Unlock()
|
|
|
|
for _, repo := range r.repos {
|
|
// create map of pkgname to filenames from current db
|
|
slog.Info("getting list of cached pkgs", "repo", repo)
|
|
cachedPkgs, err := r.buildMap(repo)
|
|
if err != nil {
|
|
// pass through to cover initialization of repos
|
|
slog.Warn("failed to read current db", "err", err)
|
|
}
|
|
fmt.Printf("cached pkgs: %v", cachedPkgs)
|
|
|
|
// call cache db fetch
|
|
slog.Info("refreshing databases")
|
|
if err := r.c.FetchDB(repo); err != nil {
|
|
return err
|
|
}
|
|
|
|
// pkgsToUpdate slice contains relative paths like
|
|
// <repo>/os/<arch>/filename
|
|
slog.Info("checking for updates")
|
|
pkgsToUpdate, err := r.updatablePkgs(repo, cachedPkgs)
|
|
if err != nil {
|
|
slog.Warn("failed to get updatable pkgs list", "err", err)
|
|
return err
|
|
}
|
|
fmt.Printf("updatable pkgs: %v", pkgsToUpdate)
|
|
|
|
for _, fileName := range pkgsToUpdate {
|
|
slog.Debug("fetching pkgs", "pkg", fileName)
|
|
path := filepath.Join(repo, repoArch, fileName)
|
|
_, err := r.c.Fetch(path)
|
|
if err != nil {
|
|
slog.Warn("failed to update pkg", "pkg", fileName, "err", err)
|
|
}
|
|
|
|
}
|
|
slog.Info("finished pkg update")
|
|
|
|
// call cache cleanup
|
|
err = r.c.Clean()
|
|
}
|
|
return nil
|
|
}
|