rpms: add hgext3rd to mercurial.spec
Otherwise build process fails with somethings like this:
RPM build errors:
Installed (but unpackaged) file(s) found:
/usr/lib64/python2.7/site-packages/hgext3rd/__init__.py
/usr/lib64/python2.7/site-packages/hgext3rd/__init__.pyc
/usr/lib64/python2.7/site-packages/hgext3rd/__init__.pyo
make: *** [docker-fedora20] Error 1
Just exercise debugindexdot
Create a short file history including a merge.
$ hg init t
$ cd t
$ echo a > a
$ hg ci -qAm t1 -d '0 0'
$ echo a >> a
$ hg ci -m t2 -d '1 0'
$ hg up -qC 0
$ echo b >> a
$ hg ci -m t3 -d '2 0'
created new head
$ HGMERGE=true hg merge -q
$ hg ci -m merge -d '3 0'
$ hg debugindexdot .hg/store/data/a.i
digraph G {
-1 -> 0
0 -> 1
0 -> 2
2 -> 3
1 -> 3
}
$ cd ..