view tests/test-hgk.t @ 28600:0d6137891114

graphmod: allow for different styles for different edge types

Rather than draw all edges as solid lines, allow for using different styles for
different edge types. For example you could use dotted lines for edges that
do not connect to a parent, and dashed lines when connecting to a grandparent
(implying missing nodes in between).

For example, setting the following configuration:

    [ui]
    graphstyle.grandparent = :
    graphstyle.missing = .

would result in a graph like this:

  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
  . . . . .


Edge styles can be altered by setting the following one-character config options::

    [ui]
    graphstyle.parent = |
    graphstyle.grandparent = :
    graphstyle.missing = .

The default configuration leaves all 3 types set to |, leaving graph styles
unaffected.

This is part of the work towards moving smartlog upstream; currently smartlog
injects extra nodes into the graph to indicate grandparent relationships (nodes
elided).

Minimal hgk check

  $ echo "[extensions]" >> $HGRCPATH
  $ echo "hgk=" >> $HGRCPATH
  $ hg init repo
  $ cd repo
  $ echo a > a
  $ hg ci -Am adda
  adding a
  $ hg debug-cat-file commit 0
  tree a0c8bcbbb45c
  parent 000000000000
  author test 0 0
  revision 0
  branch default
  phase draft
  
  adda
  $ echo b > b
  $ hg ci -Am addb
  adding b
  $ hg log -T '{node}\n'
  102a90ea7b4a3361e4082ed620918c261189a36a
  07f4944404050f47db2e5c5071e0e84e7a27bba9

  $ hg debug-diff-tree 07f494440405 102a90ea7b4a
  :000000 100664 000000000000 1e88685f5dde N	b	b
  $ hg debug-diff-tree 07f494440405 102a90ea7b4a --patch
  diff --git a/b b/b
  new file mode 100644
  --- /dev/null
  +++ b/b
  @@ -0,0 +1,1 @@
  +b

Ensure that diff-tree output isn't affected by diffopts
  $ hg --config diff.noprefix=True debug-diff-tree 07f494440405 102a90ea7b4a
  :000000 100664 000000000000 1e88685f5dde N	b	b
  $ hg --config diff.noprefix=True debug-diff-tree --patch 07f494440405 102a90ea7b4a
  diff --git a/b b/b
  new file mode 100644
  --- /dev/null
  +++ b/b
  @@ -0,0 +1,1 @@
  +b

  $ cd ..