add pin/unpin command

README.md

@@ -58,6 +58,8 @@ bin list # List current binaries and it's versions
 bin prune # Removes from the DB missing binaries
 bin remove <bin>... # Deletes one or more binaries
 bin update [bin]... # Scans binaries and prompts for update
+bin pin <bin>... # Pins current version of one or more binaries
+bin unpin <bin>... # Unpins one or more binaries
 ```
 
 ## FAQ

cmd/list.go

@@ -78,6 +78,11 @@ func newListCmd() *listCmd {
 					status = color.RedString("missing file")
 				}
 
+				if b.Pinned {
+					fmt.Printf("\n%s  %s  %s  %s", _rPad(p, pL), "*"+_rPad(b.Version, vL), _rPad(b.URL, uL), status)
+					continue
+				}
+
 				fmt.Printf("\n%s  %s  %s  %s", _rPad(p, pL), _rPad(b.Version, vL), _rPad(b.URL, uL), status)
 			}
 			fmt.Print("\n\n")

cmd/pin.go

@@ -0,0 +1,63 @@
+package cmd
+
+import (
+	"strings"
+
+	"github.com/apex/log"
+	"github.com/marcosnils/bin/pkg/config"
+	"github.com/spf13/cobra"
+)
+
+type pinCmd struct {
+	cmd *cobra.Command
+}
+
+func newPinCmd() *pinCmd {
+	root := &pinCmd{}
+
+	cmd := &cobra.Command{
+		Use:           "pin [<name> | <paths...>]",
+		Short:         "Pins current version of the binaries",
+		SilenceUsage:  true,
+		Args:          cobra.MinimumNArgs(1),
+		SilenceErrors: true,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			cfg := config.Get()
+
+			binsToPin := map[string]*config.Binary{}
+
+			// To pin
+			if len(args) > 0 {
+				for _, a := range args {
+					bin, err := getBinPath(a)
+					if err != nil {
+						return err
+					}
+					binsToPin[a] = cfg.Bins[bin]
+				}
+			} else {
+				return nil
+			}
+
+			pinned := []string{}
+
+			// Pinning
+			for name, bin := range binsToPin {
+				bin.Pinned = true
+				err := config.UpsertBinary(bin)
+				if err != nil {
+					return err
+				}
+				pinned = append(pinned, name)
+				continue
+			}
+
+			log.Infof("Pinned " + strings.Join(pinned, " "))
+
+			return nil
+		},
+	}
+
+	root.cmd = cmd
+	return root
+}

cmd/root.go

@@ -82,6 +82,8 @@ func newRootCmd(version string, exit func(int)) *rootCmd {
 		newInstallCmd().cmd,
 		newEnsureCmd().cmd,
 		newUpdateCmd().cmd,
+		newPinCmd().cmd,
+		newUnpinCmd().cmd,
 		newRemoveCmd().cmd,
 		newListCmd().cmd,
 		newPruneCmd().cmd,

cmd/unpin.go

@@ -0,0 +1,63 @@
+package cmd
+
+import (
+	"strings"
+
+	"github.com/apex/log"
+	"github.com/marcosnils/bin/pkg/config"
+	"github.com/spf13/cobra"
+)
+
+type unpinCmd struct {
+	cmd *cobra.Command
+}
+
+func newUnpinCmd() *unpinCmd {
+	root := &unpinCmd{}
+
+	cmd := &cobra.Command{
+		Use:           "unpin [<name> | <paths...>]",
+		Short:         "Unpins current version of the binaries",
+		SilenceUsage:  true,
+		Args:          cobra.MinimumNArgs(1),
+		SilenceErrors: true,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			cfg := config.Get()
+
+			binsToUnpin := map[string]*config.Binary{}
+
+			// To unpin
+			if len(args) > 0 {
+				for _, a := range args {
+					bin, err := getBinPath(a)
+					if err != nil {
+						return err
+					}
+					binsToUnpin[a] = cfg.Bins[bin]
+				}
+			} else {
+				return nil
+			}
+
+			unpinned := []string{}
+
+			// Unpinning
+			for name, bin := range binsToUnpin {
+				bin.Pinned = false
+				err := config.UpsertBinary(bin)
+				if err != nil {
+					return err
+				}
+				unpinned = append(unpinned, name)
+				continue
+			}
+
+			log.Infof("Unpinned " + strings.Join(unpinned, " "))
+
+			return nil
+		},
+	}
+
+	root.cmd = cmd
+	return root
+}

cmd/update.go

@@ -59,6 +59,10 @@ func newUpdateCmd() *updateCmd {
 					if err != nil {
 						return err
 					}
+					if cfg.Bins[bin].Pinned {
+						log.Infof("%s is a pinned binary", a)
+						continue
+					}
 					binsToProcess[bin] = cfg.Bins[bin]
 				}
 			} else {

pkg/config/config.go

@@ -35,6 +35,7 @@ type Binary struct {
 	// the package path in config so we don't ask the user to select
 	// the path again when upgrading
 	PackagePath string `json:"package_path"`
+	Pinned      bool   `json:"pinned"`
 }
 
 func CheckAndLoad() error {