Make custom commands reload when switching repos

Since onNewRepo calls resetKeybindings, which reinitializes the keybindings for
custom commands, all we have to do for this is store a pointer to a config
instead of storing the customCommands, so we get the up-to-date ones every time.

pkg/gui/services/custom_commands/client.go

@@ -1,7 +1,7 @@
 package custom_commands
 
 import (
-	"github.com/jesseduffield/lazygit/pkg/config"
+	"github.com/jesseduffield/lazygit/pkg/common"
 	"github.com/jesseduffield/lazygit/pkg/gui/controllers/helpers"
 	"github.com/jesseduffield/lazygit/pkg/gui/types"
 )
@@ -9,7 +9,7 @@ import (
 // Client is the entry point to this package. It returns a list of keybindings based on the config's user-defined custom commands.
 // See https://github.com/jesseduffield/lazygit/blob/master/docs/Custom_Command_Keybindings.md for more info.
 type Client struct {
-	customCommands    []config.CustomCommand
+	c                 *common.Common
 	handlerCreator    *HandlerCreator
 	keybindingCreator *KeybindingCreator
 }
@@ -26,10 +26,9 @@ func NewClient(
 		helpers.MergeAndRebase,
 	)
 	keybindingCreator := NewKeybindingCreator(c)
-	customCommands := c.UserConfig().CustomCommands
 
 	return &Client{
-		customCommands:    customCommands,
+		c:                 c.Common,
 		keybindingCreator: keybindingCreator,
 		handlerCreator:    handlerCreator,
 	}
@@ -37,7 +36,7 @@ func NewClient(
 
 func (self *Client) GetCustomCommandKeybindings() ([]*types.Binding, error) {
 	bindings := []*types.Binding{}
-	for _, customCommand := range self.customCommands {
+	for _, customCommand := range self.c.UserConfig().CustomCommands {
 		handler := self.handlerCreator.call(customCommand)
 		compoundBindings, err := self.keybindingCreator.call(customCommand, handler)
 		if err != nil {