Add skipHookPrefix to config

allows a user to specify a commit message prefix that will tell lazygit to skip
the pre-commit hook. This defaults to WIP. Setting it to the empty string will
disable the feature.

So if my message goes 'WIP: do the thing' then the pre-commit hook will not run

docs/Config.md

@@ -21,6 +21,7 @@
     merging:
       # only applicable to unix users
       manualCommit: false
+    skipHookPrefix: WIP
   update:
     method: prompt # can be: prompt | background | never
     days: 14 # how often an update is checked for

pkg/commands/git.go

@@ -334,8 +334,8 @@ func (c *GitCommand) usingGpg() bool {
 }
 
 // Commit commits to git
-func (c *GitCommand) Commit(message string) (*exec.Cmd, error) {
-	command := fmt.Sprintf("git commit -m %s", c.OSCommand.Quote(message))
+func (c *GitCommand) Commit(message string, flags string) (*exec.Cmd, error) {
+	command := fmt.Sprintf("git commit %s -m %s", flags, c.OSCommand.Quote(message))
 	if c.usingGpg() {
 		return c.OSCommand.PrepareSubProcess(c.OSCommand.Platform.shell, c.OSCommand.Platform.shellArg, command), nil
 	}

pkg/config/app_config.go

@@ -248,6 +248,7 @@ func GetDefaultConfig() []byte {
   git:
     merging:
       manualCommit: false
+    skipHookPrefix: 'WIP'
 update:
   method: prompt # can be: prompt | background | never
   days: 14 # how often a update is checked for

pkg/gui/commit_message_panel.go

@@ -30,7 +30,12 @@ func (gui *Gui) handleCommitConfirm(g *gocui.Gui, v *gocui.View) error {
 	if message == "" {
 		return gui.createErrorPanel(g, gui.Tr.SLocalize("CommitWithoutMessageErr"))
 	}
-	ok, err := gui.runSyncOrAsyncCommand(gui.GitCommand.Commit(message))
+	flags := ""
+	skipHookPrefix := gui.Config.GetUserConfig().GetString("git.skipHookPrefix")
+	if skipHookPrefix != "" && strings.HasPrefix(message, skipHookPrefix) {
+		flags = "--no-verify"
+	}
+	ok, err := gui.runSyncOrAsyncCommand(gui.GitCommand.Commit(message, flags))
 	if err != nil {
 		return err
 	}