index: make capacity argument to nt_init be measured in revisions
The nodetree's internal capacity field is measures in nodetree nodes,
which is not something the caller should have to know about.
Differential Revision: https://phab.mercurial-scm.org/D4166
https://bz.mercurial-scm.org/1089
$ hg init
$ mkdir a
$ echo a > a/b
$ hg ci -Am m
adding a/b
$ hg rm a
removing a/b
$ hg ci -m m a
$ mkdir a b
$ echo a > a/b
$ hg ci -Am m
adding a/b
$ hg rm a
removing a/b
$ cd b
Relative delete:
$ hg ci -m m ../a
$ cd ..