--- a/.hgrc
+++ b/.hgrc
@@ -29,6 +29,8 @@ wc-out = log -r 'ancestors(.) and not up
 wc-email = email -r 'ancestors(.) and not upstream()'
 havepatch = log -r 'grep("$1")'
 
+unstackall = ! EDITOR="python3 -c 'import sys ; initial = [l for l in open(sys.argv[1]).read().splitlines() if l and not l.startswith("#")] ; baserev = initial[0].split()[1] + "^" ; f = open(sys.argv[1], "w") ;  [f.write("base %s\n%s\n" % (baserev, l)) for l in initial]'" $HG histedit $1
+
 [ui]
 username = Augie Fackler <raf@durin42.com>
 ignore = ~/.hgglobalignore