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package gitpb
import (
"errors"
"fmt"
"path/filepath"
"slices"
"strings"
"go.wit.com/lib/config"
"go.wit.com/lib/env"
"go.wit.com/log"
)
// returns err if anything changes or anything is wrong (todo: should these be different?)
func (r *Repo) LoadRemoteRefs(remoteName string) (*Stats, error) {
fullname := filepath.Join(r.FullPath, ".git", remoteName+".refs.pb")
stats := NewStats()
stats.Filename = fullname
err := config.ForceCreatePB(stats)
return stats, err
}
// returns err if anything changes or anything is wrong (todo: should these be different?)
func (r *Repo) MakeRemoteRefs(remoteName string) (*Stats, error) {
stats, err := r.LoadRemoteRefs(remoteName)
if err != nil {
return stats, err
}
if stats.Len() != 0 {
return stats, errors.New("refs file was already created")
}
cmd := []string{"git", "ls-remote", remoteName} // must use 'master' as queried from the git server // GO has 250k remote refs
if env.True("stats") {
log.Info("STATS VERBOSE Run:", cmd)
}
cmdout := r.Run(cmd)
if len(cmdout.Stdout) == 0 {
return stats, errors.New("got nothing from git ls-remote")
}
var counter int
for _, line := range cmdout.Stdout {
line = strings.TrimSpace(line)
parts := strings.Fields(line)
if len(parts) != 2 {
log.Printf("Repo: %s\n", r.FullPath)
log.Printf("CMD: %v\n", cmd)
log.Printf("LINE:%s\n", line)
return stats, errors.New(line)
}
if env.True("stats") {
log.Printf("LINE:%v %d %s\n", parts, counter, r.FullPath)
}
counter += 1
newstat := new(Stat)
newstat.Hash = parts[0]
stats.Append(newstat)
}
if counter > 0 {
stats.SaveByHash()
}
return stats, nil
}
func (x *Stats) SaveByHash() error {
newx := NewStats()
all := x.SortByHash()
for all.Scan() {
r := all.Next()
newx.Clone(r)
}
newx.Filename = x.Filename
err := newx.Save()
return err
}
// returns err if anything changes or anything is wrong (todo: should these be different?)
func (r *Repo) UpdateRemoteRefs(remoteName string) error {
stats, err := r.LoadRemoteRefs(remoteName)
if err != nil {
return err
}
if stats.Len() == 0 {
return errors.New("need to make file instead")
}
cmd := []string{"git", "ls-remote", remoteName} // must use 'master' as queried from the git server // GO has 250k remote refs
if env.True("stats") {
log.Info("STATS VERBOSE Run:", cmd)
}
cmdout := r.Run(cmd)
if len(cmdout.Stdout) == 0 {
return errors.New("got nothing back")
}
var ticker int
var counter int
var allnew []*Stat
for _, line := range cmdout.Stdout {
line = strings.TrimSpace(line)
parts := strings.Fields(line)
if len(parts) != 2 {
log.Printf("Repo: %s\n", r.FullPath)
log.Printf("CMD: %v\n", cmd)
log.Printf("LINE:%s\n", line)
return errors.New(line)
}
if env.True("stats") {
log.Printf("LINE:%v %d %s\n", parts, ticker, r.FullPath)
}
// refpath := filepath.Join("refs/remote", remoteName)
// if strings.HasPrefix(parts[1], refpath) {
// this ref is not from the remote
// continue
// }
counter += 1
newstat := new(Stat)
newstat.Hash = parts[0]
n, found := slices.BinarySearchFunc(stats.Stats, newstat, func(a, b *Stat) int {
return strings.Compare(a.Hash, b.Hash)
})
_ = n
if found {
// log.Info("found", n)
continue
}
ticker += 1
log.Info("not found", newstat)
allnew = append(allnew, newstat)
}
if ticker > 0 {
stats.Stats = append(stats.Stats, allnew...)
stats.SaveByHash()
return errors.New(fmt.Sprintf("len(%d), ticker(%d) counter(%d) refs changed", stats.Len(), ticker, counter))
}
return nil
}
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