--- a/hgext/strip.py	Mon Feb 25 16:49:01 2019 +0300
+++ b/hgext/strip.py	Tue Oct 16 15:48:00 2018 +0200
@@ -76,7 +76,8 @@
 
     return unode
 
-def strip(ui, repo, revs, update=True, backup=True, force=None, bookmarks=None):
+def strip(ui, repo, revs, update=True, backup=True, force=None, bookmarks=None,
+          soft=False):
     with repo.wlock(), repo.lock():
 
         if update:
@@ -85,7 +86,10 @@
             hg.clean(repo, urev)
             repo.dirstate.write(repo.currenttransaction())
 
-        repair.strip(ui, repo, revs, backup)
+        if soft:
+            repair.softstrip(ui, repo, revs, backup)
+        else:
+            repair.strip(ui, repo, revs, backup)
 
         repomarks = repo._bookmarks
         if bookmarks:
@@ -110,7 +114,10 @@
           ('k', 'keep', None, _("do not modify working directory during "
                                 "strip")),
           ('B', 'bookmark', [], _("remove revs only reachable from given"
-                                  " bookmark"), _('BOOKMARK'))],
+                                  " bookmark"), _('BOOKMARK')),
+          ('', 'soft', None,
+          _("simply drop changesets from visible history (EXPERIMENTAL)")),
+         ],
           _('hg strip [-k] [-f] [-B bookmark] [-r] REV...'),
           helpcategory=command.CATEGORY_MAINTENANCE)
 def stripcmd(ui, repo, *revs, **opts):
@@ -235,6 +242,7 @@
 
 
         strip(ui, repo, revs, backup=backup, update=update,
-              force=opts.get('force'), bookmarks=bookmarks)
+              force=opts.get('force'), bookmarks=bookmarks,
+              soft=opts['soft'])
 
     return 0