transplant: use check_incompatible_arguments()

Differential Revision: https://phab.mercurial-scm.org/D7663

hgext/transplant.py

@@ -760,22 +760,14 b' def _dotransplant(ui, repo, *revs, **opt'
 
     def checkopts(opts, revs):
         if opts.get(b'continue'):
-            if opts.get(b'branch') or opts.get(b'all') or opts.get(b'merge'):
-                raise error.Abort(
-                    _(
-                        b'--continue is incompatible with '
-                        b'--branch, --all and --merge'
-                    )
-                )
+            cmdutil.check_incompatible_arguments(
+                opts, b'continue', b'branch', b'all', b'merge'
+            )
             return
         if opts.get(b'stop'):
-            if opts.get(b'branch') or opts.get(b'all') or opts.get(b'merge'):
-                raise error.Abort(
-                    _(
-                        b'--stop is incompatible with '
-                        b'--branch, --all and --merge'
-                    )
-                )
+            cmdutil.check_incompatible_arguments(
+                opts, b'stop', b'branch', b'all', b'merge'
+            )
             return
         if not (
             opts.get(b'source')

tests/test-transplant.t

@@ -18,10 +18,10 b''
   abort: no source URL, branch revision, or revision list provided
   [255]
   $ hg transplant --continue --all
-  abort: --continue is incompatible with --branch, --all and --merge
+  abort: cannot specify both --continue and --all
   [255]
   $ hg transplant --stop --all
-  abort: --stop is incompatible with --branch, --all and --merge
+  abort: cannot specify both --stop and --all
   [255]
   $ hg transplant --all tip
   abort: --all requires a branch revision