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package main
import (
"errors"
"fmt"
"os"
"path/filepath"
"strconv"
"strings"
"go.wit.com/lib/config"
"go.wit.com/lib/protobuf/zoopb"
"go.wit.com/log"
)
func moveOutOfIncoming(fullname string, repopath string) error {
_, filename := filepath.Split(fullname)
parts := strings.Split(filename, "_")
if len(parts) != 3 {
// todo: add more filename checking here (check for ".deb")
return errors.New(log.Sprintf("bad filenae %s", filename))
}
packageName := parts[0]
letteredDir := log.Sprintf("%1.1s", filename)
newfilename := filepath.Join(repopath, letteredDir, packageName, filename)
destDir := filepath.Dir(newfilename)
if err := os.MkdirAll(destDir, 0755); err != nil {
log.Printf("%s move incoming oldname %s newname: %s\n", packageName, fullname, newfilename)
log.Fatal("Failed to create destination directory: %v", err)
}
// log.Printf("%s move incoming oldname %s newname: %s\n", packageName, fullname, newfilename)
if config.Exists(newfilename) {
log.Info("DEBIAN POLICY: YOU CAN NEVER REBUILD THE SAME FILE. APT WILL NOT REINSTALL IT. AUTO REMOVE: ", fullname)
return os.Remove(fullname)
}
// file can be moved
os.Rename(fullname, newfilename)
log.Printf("%s moved incoming oldname %s newname: %s\n", packageName, fullname, newfilename)
return nil
}
// newver(0.25.101-1+b10)
// a == 0
// b == 25
// c == 101
// pnum == 1
// bnum == 10
type vers struct {
a int // major
b int
c int
pnum int
bnum int
}
func tokenVersions(ver string) (*vers, error) {
var err error
tok := new(vers)
parts := strings.Split(ver, "-")
if len(parts) != 2 {
return nil, errors.New(fmt.Sprintf("len != 2 %v", parts))
}
abc := strings.Split(parts[0], ".")
if len(abc) != 3 {
return nil, errors.New(fmt.Sprintf("len != 3 parts(%v) abc(%v)", parts, abc))
}
tok.a, err = strconv.Atoi(abc[0])
if err != nil {
return nil, errors.Join(err, errors.New(fmt.Sprintf("parts(%v) abc(%v)", parts, abc)))
}
tok.b, err = strconv.Atoi(abc[1])
if err != nil {
return nil, errors.Join(err, errors.New(fmt.Sprintf("parts(%v) abc(%v)", parts, abc)))
}
tok.c, err = strconv.Atoi(abc[2])
if err != nil {
return nil, errors.Join(err, errors.New(fmt.Sprintf("parts(%v) abc(%v)", parts, abc)))
}
bb := strings.Split(parts[1], "+")
if len(bb) != 2 {
return nil, errors.Join(err, errors.New(fmt.Sprintf("parts(%v) abc(%v)", parts, abc)))
}
tok.pnum, err = strconv.Atoi(bb[0])
if err != nil {
return nil, errors.Join(err, errors.New(fmt.Sprintf("parts(%v) abc(%v)", parts, abc)))
}
tok.bnum, err = strconv.Atoi(strings.TrimPrefix(bb[1], "b"))
if err != nil {
return nil, errors.Join(err, errors.New(fmt.Sprintf("parts(%v) abc(%v)", parts, abc)))
}
return tok, nil
}
// compares newver(0.25.101-1+b10) curver(0.25.101-5+b1)
func compareVersions(newver string, curver string) (bool, error) {
newtok, err1 := tokenVersions(newver)
curtok, err2 := tokenVersions(curver)
if (newtok == nil) || (curtok == nil) {
s := log.Sprintf("token on the railroad failed (%v) to curver (%v) err(%v)(%v)", newtok, curtok, err1, err2)
return false, errors.New(s)
}
// log.Printf("compare (%v) to (%v)\n", newtok, curtok)
if curtok.a > newtok.a {
return false, errors.New(log.Sprintf("A.x.x lower (%v) to curver (%v)", newver, curver))
}
if curtok.b > newtok.b {
return false, errors.New(log.Sprintf("x.B.x lower (%v) to curver (%v)", newver, curver))
}
if curtok.c > newtok.c {
return false, errors.New(log.Sprintf("x.x.C lower (%v) to curver (%v)", newver, curver))
}
if curtok.pnum > newtok.pnum {
return false, errors.New(log.Sprintf("patch # lower (%v) to curver (%v)", newver, curver))
}
if curtok.bnum > newtok.bnum {
return false, errors.New(log.Sprintf("build # lower (%v) to curver (%v)", newver, curver))
}
if curtok.bnum == newtok.bnum {
return false, errors.New(log.Sprintf("build is equal (%v) to curver (%v)", newver, curver))
}
return true, nil
}
func moveToBad(packageName string, fullname string, err error) string {
_, filename := filepath.Split(fullname)
baddir := filepath.Join(me.pb.BaseDir, "badincoming")
os.MkdirAll(baddir, 0755)
newbadname := filepath.Join(baddir, filename)
os.Rename(fullname, newbadname)
return newbadname
}
// true if package is actually newer
func checkAgainstNewest(fullname string, newest *zoopb.Packages) bool {
_, filename := filepath.Split(fullname)
parts := strings.Split(filename, "_")
if len(parts) != 3 {
// todo: add more filename checking here (check for ".deb")
// return errors.New(log.Sprintf("bad filenae %s", filename))
return false
}
packageName := parts[0]
version := parts[1]
p := newest.FindByPackage(packageName)
if p == nil {
log.Info("NEW PACKAGE NAME", packageName, version, fullname)
return false
}
_, filename = filepath.Split(p.Filename)
parts = strings.Split(filename, "_")
if len(parts) != 3 {
// this should never happen
return false
}
curversion := parts[1]
if ok, err := compareVersions(version, curversion); ok {
log.Printf("IS NEW: %s err=(%v)\n", packageName, err)
} else {
// log.Printf("IS BAD: %s err=(%v)\n", packageName, err)
badname := moveToBad(packageName, fullname, err)
log.Printf("IS BAD: %s err=(%v) %s\n", packageName, err, badname)
}
return false
}
func doIncoming(pb *zoopb.Packages) (string, error) {
if err := os.Chdir(me.pb.BaseDir); err != nil {
return "no dir " + me.pb.BaseDir, err
}
newest := doGetNewest("amd64")
globPattern := "/home/mirrors/wit/incoming/*.deb"
files, err := filepath.Glob(globPattern)
if err != nil {
return "glob error", err
}
for _, filename := range files {
if checkAgainstNewest(filename, newest) {
moveOutOfIncoming(filename, "pool/main")
}
}
globPattern = "/home/mirrors/wit/incoming-devel/*.deb"
files, err = filepath.Glob(globPattern)
if err != nil {
return "glob error", err
}
for _, filename := range files {
if checkAgainstNewest(filename, newest) {
moveOutOfIncoming(filename, "pool/main")
}
}
s := log.Sprintf("scanned (%d) in incoming", len(files))
return s, err
}
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