👍 Add :Accept and :Cancel aliases for "gitcommit" and "gitrebase"

Author: lambdalisue

doc/gin.txt

@@ -84,6 +84,11 @@ It asks if users want to apply or cancel changes when |:quit| command is
 invoked. Answer "yes" to apply changes and others to cancel changes. Or use
 :Accept or :Cancel buffer local command to directly apply or cancel changes.
 
+Note that this :Accept and :Cancel command are aliased to |:wq| and |:cq| 
+respectively for "gitcommit" and "gitrebase" filetype buffers so that users
+can use the same keybindings even they invoke "git commit" or "git rebase -i"
+outside of Vim.
+
 Use |g:gin_proxy_apply_without_confirm| to apply changes without asking.
 
 Use |g:gin_proxy_editor_opener| to specify the opener command to open the
@@ -92,6 +97,9 @@ buffer.
 Use |g:gin_proxy_disable_askpass| and/or |g:gin_proxy_disable_editor| to
 disable this proxy feature.
 
+Use |g:gin_proxy_disable_accept_and_cancel_aliases| to disable the accept and
+cancel aliases in "gitcommit" and "gitrebase" filetype buffers.
+
 
 =============================================================================
 INTERFACE					*gin-interface*
@@ -641,6 +649,12 @@ VARIABLES					*gin-variables*
 
 	Default: 0
 
+*g:gin_proxy_disable_accept_and_cancel_aliases*
+	Disable :Accept and :Cancel aliases in "gitcommit" and "gitrebase"
+	filetype buffers.
+
+	Default: 0
+
 *g:gin_proxy_editor_opener*
 	Opener command (e.g. "split", "vsplit", "tabedit") to open a buffer
 	on proxy editors.

ftplugin/gitcommit/gin.vim

@@ -0,0 +1,10 @@
+if get(g:, 'gin_proxy_disable_accept_and_cancel_aliases', 0)
+  finish
+endif
+
+if !exists(':Accept')
+  command! Accept wq
+endif
+if !exists(':Cancel')
+  command! Cancel cq
+endif

ftplugin/gitrebase/gin.vim

@@ -0,0 +1,10 @@
+if get(g:, 'gin_proxy_disable_accept_and_cancel_aliases', 0)
+  finish
+endif
+
+if !exists(':Accept')
+  command! Accept wq
+endif
+if !exists(':Cancel')
+  command! Cancel cq
+endif