graft: leverage cmdutil.check_incompatible_arguments() for --no-commit

Differential Revision: https://phab.mercurial-scm.org/D8668

mercurial/commands.py

@@ -2986,21 +2986,10 b' def _dograft(ui, repo, *revs, **opts):'
 
     cont = False
     if opts.get(b'no_commit'):
-        if opts.get(b'edit'):
-            raise error.Abort(
-                _(b"cannot specify --no-commit and --edit together")
-            )
-        if opts.get(b'currentuser'):
-            raise error.Abort(
-                _(b"cannot specify --no-commit and --currentuser together")
-            )
-        if opts.get(b'currentdate'):
-            raise error.Abort(
-                _(b"cannot specify --no-commit and --currentdate together")
-            )
-        if opts.get(b'log'):
-            raise error.Abort(
-                _(b"cannot specify --no-commit and --log together")
+        cmdutil.check_incompatible_arguments(
+            opts,
+            b'no_commit',
+            [b'edit', b'currentuser', b'currentdate', b'log'],
             )
 
     graftstate = statemod.cmdstate(repo, b'graftstate')

tests/test-graft-interrupted.t

@@ -553,15 +553,15 b' Testing --no-commit option:|'
 Check reporting when --no-commit used with non-applicable options:
 
   $ hg graft 1 --no-commit -e
-  abort: cannot specify --no-commit and --edit together
+  abort: cannot specify both --no-commit and --edit
   [255]
 
   $ hg graft 1 --no-commit --log
-  abort: cannot specify --no-commit and --log together
+  abort: cannot specify both --no-commit and --log
   [255]
 
   $ hg graft 1 --no-commit -D
-  abort: cannot specify --no-commit and --currentdate together
+  abort: cannot specify both --no-commit and --currentdate
   [255]
 
 Test --no-commit is working: