Add config for soft-wrapping the commit message body

docs/Config.md

@@ -92,6 +92,8 @@ git:
     useConfig: false
   commit:
     signOff: false
+    autoWrapCommitMessage: true # automatic WYSIWYG wrapping of the commit message as you type
+    autoWrapWidth: 72 # if autoWrapCommitMessage is true, the width to wrap to
   merging:
     # only applicable to unix users
     manualCommit: false

pkg/config/user_config.go

@@ -236,6 +236,10 @@ type PagingConfig struct {
 type CommitConfig struct {
 	// If true, pass '--signoff' flag when committing
 	SignOff bool `yaml:"signOff"`
+	// Automatic WYSIWYG wrapping of the commit message as you type
+	AutoWrapCommitMessage bool `yaml:"autoWrapCommitMessage"`
+	// If autoWrapCommitMessage is true, the width to wrap to
+	AutoWrapWidth int `yaml:"autoWrapWidth"`
 }
 
 type MergingConfig struct {
@@ -658,7 +662,9 @@ func GetDefaultConfig() *UserConfig {
 				ExternalDiffCommand: "",
 			},
 			Commit: CommitConfig{
-				SignOff: false,
+				SignOff:               false,
+				AutoWrapCommitMessage: true,
+				AutoWrapWidth:         72,
 			},
 			Merging: MergingConfig{
 				ManualCommit: false,

pkg/gui/views.go

@@ -168,6 +168,8 @@ func (gui *Gui) createAllViews() error {
 	gui.Views.CommitDescription.FgColor = theme.GocuiDefaultTextColor
 	gui.Views.CommitDescription.Editable = true
 	gui.Views.CommitDescription.Editor = gocui.EditorFunc(gui.commitDescriptionEditor)
+	gui.Views.CommitDescription.TextArea.AutoWrap = gui.c.UserConfig.Git.Commit.AutoWrapCommitMessage
+	gui.Views.CommitDescription.TextArea.AutoWrapWidth = gui.c.UserConfig.Git.Commit.AutoWrapWidth
 
 	gui.Views.Confirmation.Visible = false
 	gui.Views.Confirmation.Editor = gocui.EditorFunc(gui.promptEditor)

schema/config.json

@@ -405,6 +405,16 @@
             "signOff": {
               "type": "boolean",
               "description": "If true, pass '--signoff' flag when committing"
+            },
+            "autoWrapCommitMessage": {
+              "type": "boolean",
+              "description": "Automatic WYSIWYG wrapping of the commit message as you type",
+              "default": true
+            },
+            "autoWrapWidth": {
+              "type": "integer",
+              "description": "If autoWrapCommitMessage is true, the width to wrap to",
+              "default": 72
             }
           },
           "additionalProperties": false,