projects merge

.> builtins.merge

zonk = 0

.foo> add
.> project.create-empty foo
.> merge foo foo/main

bonk = 2

foo/main> add

.> project.create-empty bar
bar/main> merge foo/main
bar/main> branch /topic

xonk = 1

bar/main> add
bar/topic> merge /main
.bar> merge foo/main