smarter table of installed packagesv0.0.72

1 files changed, 95 insertions, 0 deletions

diff --git a/tableDefault.go b/tableDefault.go
index 33abe26..86f8790 100644
--- a/tableDefault.go
+++ b/tableDefault.go
@@ -2,6 +2,11 @@
 
 package zoopb
 
+import (
+	"go.wit.com/lib/fhelp"
+	"go.wit.com/log"
+)
+
 // this is the default table layout for repos in forge
 
 func (pb *Packages) PrintTable() {
@@ -35,3 +40,93 @@ func (pb *Packages) makeDefaultTable() *PackagesTable {
 
 	return t
 }
+
+func (m *Machine) PrintTable(pb *Packages) {
+	tablePB := m.makeSmartTable(pb)
+	tablePB.PrintTable()
+}
+
+func (m *Machine) makeSmartTable(pb *Packages) *PackagesTable {
+	t := pb.NewTable("apt packages")
+	t.NewUuid()
+
+	var col *PackageFunc
+
+	col = t.AddStringFunc("  I", func(p *Package) string {
+		if m.IsInstalled(p.Name) {
+			return "  X"
+		}
+		return ""
+	})
+	col.Width = 3
+
+	col = t.AddStringFunc("U", func(p *Package) string {
+		if m.WillUpgrade(p) {
+			return "X"
+		}
+		return ""
+	})
+	col.Width = 1
+
+	col = t.AddStringFunc("BAD", func(p *Package) string {
+		if m.MirrorsOutOfDate(p) {
+			return "BAD"
+		}
+		return ""
+	})
+	col.Width = 3
+
+	col = t.AddName()
+	col.Width = 30
+
+	col = t.AddVersion()
+	col.Width = 20
+
+	col = t.AddPkgName()
+	col.Width = -1
+	col.Header.Name = "apt package path"
+
+	return t
+}
+
+// true if the package 'p' is newer than the installed package
+func (m *Machine) WillUpgrade(p *Package) bool {
+	check := m.FindInstalledByName(p.Name)
+	if check == nil {
+		// not installed. can not upgrade
+		return false
+	}
+	v1, _ := fhelp.NewDebVersion(check.Version)
+	v2, _ := fhelp.NewDebVersion(p.Version)
+	if v1.Equal(v2) {
+		// log.Info("do nothing", v1, v2)
+		return false
+	}
+	if v1.LessThan(v2) {
+		log.Info("upgrading from", v1, "to", v2)
+		return true
+	}
+	log.Info("WEIRD: keeping on machine version:", v1, "newer than mirrors.wit.com:", v2)
+	return false
+}
+
+// this means somehow this machine has a newer version than the mirrors have
+// true if the package 'p' is newer than the installed package
+func (m *Machine) MirrorsOutOfDate(p *Package) bool {
+	check := m.FindInstalledByName(p.Name)
+	if check == nil {
+		// not installed
+		return false
+	}
+	v1, _ := fhelp.NewDebVersion(check.Version)
+	v2, _ := fhelp.NewDebVersion(p.Version)
+	if v1.Equal(v2) {
+		// log.Info("do nothing", v1, v2)
+		return false
+	}
+	if v2.LessThan(v1) {
+		log.Info("wow. you have a newer version on this box than the mirrors", v1, "to", v2)
+		return true
+	}
+	return false
+}