more accurate repo Age()

Makefile

@@ -22,6 +22,7 @@ goimports:
 clean:
 	rm -f *.pb.go
 	-rm -f go.*
+	go-mod-clean --purge
 
 #refs.pb.go: refs.proto
 #	cd ~/go/src && protoc --go_out=. --proto_path=go.wit.com/lib/protobuf/gitpb \

gitTag.byAge.go

@@ -1,8 +1,11 @@
 package gitpb
 
 import (
+	"path/filepath"
 	"sort"
 	"time"
+
+	"go.wit.com/log"
 )
 
 /*
@@ -22,6 +25,25 @@ func (all *GitTags) newSort() *GitTagIterator {
 
 // all this code below is junk and seamingly wrong
 
+func (all *GitTags) GetAge(name string) time.Time {
+	packs := all.selectAllGitTags()
+
+	var newest time.Time
+
+	for _, tag := range packs {
+		// log.Info("\t\ttag", i, tag.Refname, tag.Authordate.AsTime())
+		_, rname := filepath.Split(tag.Refname)
+		if name == rname {
+			// log.Info("\t\tfound tag", i, rbase, rname, tag.Authordate.AsTime())
+			newest = tag.Authordate.AsTime()
+			return newest
+		}
+		newest = tag.Authordate.AsTime()
+	}
+
+	return newest
+}
+
 func (all *GitTags) SortByAge() *GitTagIterator {
 	packs := all.selectAllGitTags()
 
@@ -44,14 +66,41 @@ func (a GitTagAge) Less(i, j int) bool {
 }
 func (a GitTagAge) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
 
+// biased code that gives out newer tag dates
+// even if the code hasn't been patched
 func (repo *Repo) NewestAge() time.Duration {
-	return time.Since(repo.Times.NewestCommit.AsTime())
-	/*
-		all := repo.Tags.SortByAge()
-		for all.Scan() {
-			r := all.Next()
-			return time.Since(r.GetAuthordate().AsTime())
+	alltags := repo.Tags.selectAllGitTags()
+
+	var newest time.Time
+
+	for _, tag := range alltags {
+		// check the actual age of the patch
+		if newest.Before(tag.Authordate.AsTime()) {
+			newest = tag.Authordate.AsTime()
 		}
-		return time.Since(time.Now())
-	*/
+		// check the age of the commit
+		if newest.Before(tag.Creatordate.AsTime()) {
+			newest = tag.Creatordate.AsTime()
+		}
+	}
+
+	return time.Since(newest)
+}
+
+func (repo *Repo) NewestAgeVerbose() time.Duration {
+	alltags := repo.Tags.selectAllGitTags()
+
+	var newest time.Time
+	var cur time.Time
+
+	for i, tag := range alltags {
+		cur = tag.Authordate.AsTime()
+		rbase, rname := filepath.Split(tag.Refname)
+		log.Info("\t\tfound tag", i, rbase, rname, tag.Authordate.AsTime(), tag.Creatordate.AsTime())
+		if newest.Before(cur) {
+			newest = cur
+		}
+	}
+
+	return time.Since(newest)
 }