graphmod: set default edge styles for ascii graphs (BC)
Leaving regular parent edges set to |, grandparent edges set to : and missing
parent edges set to end early. A sample graph:
o changeset: 32:d06dffa21a31
|\ parent: 27:886ed638191b
| : parent: 31:621d83e11f67
| :
o : changeset: 31:621d83e11f67
|\: parent: 21:d42a756af44d
| : parent: 30:6e11cd4b648f
| :
o : changeset: 30:6e11cd4b648f
|\ \ parent: 28:44ecd0b9ae99
| ~ : parent: 29:cd9bb2be7593
| /
o : changeset: 28:44ecd0b9ae99
|\ \ parent: 1:6db2ef61d156
| ~ : parent: 26:7f25b6c2f0b9
| /
o : changeset: 26:7f25b6c2f0b9
|\ \ parent: 18:1aa84d96232a
| | : parent: 25:91da8ed57247
| | :
| o : changeset: 25:91da8ed57247
| |\: parent: 21:d42a756af44d
| | : parent: 24:a9c19a3d96b7
| | :
| o : changeset: 24:a9c19a3d96b7
| |\ \ parent: 0:e6eb3150255d
| | ~ : parent: 23:a01cddf0766d
| | /
| o : changeset: 23:a01cddf0766d
| |\ \ parent: 1:6db2ef61d156
| | ~ : parent: 22:e0d9cccacb5d
| | /
| o : changeset: 22:e0d9cccacb5d
|/:/ parent: 18:1aa84d96232a
| : parent: 21:d42a756af44d
| :
| o changeset: 21:d42a756af44d
| |\ parent: 19:31ddc2c1573b
| | | parent: 20:d30ed6450e32
| | |
+---o changeset: 20:d30ed6450e32
| | | parent: 0:e6eb3150255d
| | ~ parent: 18:1aa84d96232a
| |
| o changeset: 19:31ddc2c1573b
| |\ parent: 15:1dda3f72782d
| ~ ~ parent: 17:44765d7c06e0
|
o changeset: 18:1aa84d96232a
parent: 1:6db2ef61d156
parent: 15:1dda3f72782d
$ cat > engine.py << EOF
>
> from mercurial import templater
>
> class mytemplater(object):
> def __init__(self, loader, filters, defaults):
> self.loader = loader
>
> def process(self, t, map):
> tmpl = self.loader(t)
> for k, v in map.iteritems():
> if k in ('templ', 'ctx', 'repo', 'revcache', 'cache'):
> continue
> if hasattr(v, '__call__'):
> v = v(**map)
> v = templater.stringify(v)
> tmpl = tmpl.replace('{{%s}}' % k, v)
> yield tmpl
>
> templater.engines['my'] = mytemplater
> EOF
$ hg init test
$ echo '[extensions]' > test/.hg/hgrc
$ echo "engine = `pwd`/engine.py" >> test/.hg/hgrc
$ cd test
$ cat > mymap << EOF
> changeset = my:changeset.txt
> EOF
$ cat > changeset.txt << EOF
> {{rev}} {{node}} {{author}}
> EOF
$ hg ci -Ama
adding changeset.txt
adding mymap
$ hg log --style=./mymap
0 97e5f848f0936960273bbf75be6388cd0350a32b test
$ cat > changeset.txt << EOF
> {{p1rev}} {{p1node}} {{p2rev}} {{p2node}}
> EOF
$ hg ci -Ama
$ hg log --style=./mymap
0 97e5f848f0936960273bbf75be6388cd0350a32b -1 0000000000000000000000000000000000000000
-1 0000000000000000000000000000000000000000 -1 0000000000000000000000000000000000000000
$ cd ..