Merge pull request #423 from Morganamilo/docnews

Document news and use build date over install date

doc/yay.8

@@ -119,6 +119,19 @@ be displayed\&.
 .RS 4
 Print Names of packages that need to be updated\&. Note this does not perform
 a database refresh\&. Run \fByay -Sy\fR Before this for an up to date result\&.
+.RE
+.PP
+\fB\-w --news\fR
+.RS 4
+Print new news from the Archlinux homepage\&. News is considered new if it is
+newer than the build date of all native packages\&. Pass this twice to show all
+avaliable news\&.
+.RE
+.PP
+\fB\-q --quiet\fR
+.RS 4
+Only show titles when printing news\&.
+.RE
 .PP
 .SH "PERMANENT CONFIGURATION SETTINGS"
 .PP

print.go

@@ -425,7 +425,7 @@ type Item struct {
 	Creator     string `xml:"dc:creator"`
 }
 
-func (item Item) Print(installTime time.Time) {
+func (item Item) Print(buildTime time.Time) {
 	var fd string
 	date, err := time.Parse(time.RFC1123Z, item.PubDate)
 
@@ -433,8 +433,8 @@ func (item Item) Print(installTime time.Time) {
 		fmt.Println(err)
 	} else {
 		fd = formatTime(int(date.Unix()))
-		if _, double, _ := cmdArgs.getArg("news", "w"); !double && !installTime.IsZero() {
-			if installTime.After(date) {
+		if _, double, _ := cmdArgs.getArg("news", "w"); !double && !buildTime.IsZero() {
+			if buildTime.After(date) {
 				return
 			}
 		}
@@ -484,18 +484,18 @@ func printNewsFeed() error {
 		return err
 	}
 
-	installTime, err := lastInstallTime()
+	buildTime, err := lastBuildTime()
 	if err != nil {
 		return err
 	}
 
 	if config.SortMode == BottomUp {
 		for i := len(rss.Channel.Items) - 1; i >= 0; i-- {
-			rss.Channel.Items[i].Print(installTime)
+			rss.Channel.Items[i].Print(buildTime)
 		}
 	} else {
 		for i := 0; i < len(rss.Channel.Items); i++ {
-			rss.Channel.Items[i].Print(installTime)
+			rss.Channel.Items[i].Print(buildTime)
 		}
 	}
 

query.go

@@ -408,22 +408,20 @@ func hangingPackages(removeOptional bool) (hanging []string, err error) {
 	return
 }
 
-func lastInstallTime() (time.Time, error) {
+func lastBuildTime() (time.Time, error) {
 	var time time.Time
 
-	localDb, err := alpmHandle.LocalDb()
+	pkgs, _, _, _, err := filterPackages()
 	if err != nil {
 		return time, err
 	}
 
-	localDb.PkgCache().ForEach(func(pkg alpm.Package) error {
-		thisTime := pkg.InstallDate()
+	for _, pkg := range pkgs {
+		thisTime := pkg.BuildDate()
 		if thisTime.After(time) {
 			time = thisTime
 		}
-
-		return nil
-	})
+	}
 
 	return time, nil
 }