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graphmod: partial edge styling
authorMartijn Pieters <mjpieters@fb.com>
Wed, 04 May 2016 20:11:59 +0100
changeset 29134 8d5584d8345b
parent 29133 255274719dc1
child 29135 3879d02cd1cc
graphmod: partial edge styling Allow for a style to only apply to the last N lines (for positive N) or everything but the first N lines (for negative N) of the section along the current node. This allows for more subtle grandparent styling. So from the default: $ hg log -G ... o Lorem ipsum dolor sit :\ amet, consectetur : : adipiscing elit, sed : : do eiusmod tempor : : o : incididunt ut labore | : et dolore magna | : aliqua. Ut enim ad | : minim veniam, quis |/ o nostrud exercitation : ullamco laboris nisi : ut aliquip ex ea : commodo consequat. : o Duis aute irure dolor | in reprehenderit in ~ voluptate velit esse cillum dolore eu to $ hg log -G --config "experimental.graphstyle.grandparent=2." ... o Lorem ipsum dolor sit |\ amet, consectetur | | adipiscing elit, sed . . do eiusmod tempor . . o | incididunt ut labore | | et dolore magna | | aliqua. Ut enim ad | | minim veniam, quis |/ o nostrud exercitation | ullamco laboris nisi | ut aliquip ex ea . commodo consequat. . o Duis aute irure dolor | in reprehenderit in ~ voluptate velit esse cillum dolore eu or $ hg log -G --config "experimental.graphstyle.grandparent=1:" ... o Lorem ipsum dolor sit |\ amet, consectetur | | adipiscing elit, sed | | do eiusmod tempor : : o | incididunt ut labore | | et dolore magna | | aliqua. Ut enim ad | | minim veniam, quis |/ o nostrud exercitation | ullamco laboris nisi | ut aliquip ex ea | commodo consequat. : o Duis aute irure dolor | in reprehenderit in ~ voluptate velit esse cillum dolore eu or $ hg log -G --config "experimental.graphstyle.grandparent=-2!" ... o Lorem ipsum dolor sit |\ amet, consectetur ! ! adipiscing elit, sed ! ! do eiusmod tempor ! ! o | incididunt ut labore | | et dolore magna | | aliqua. Ut enim ad | | minim veniam, quis |/ o nostrud exercitation | ullamco laboris nisi ! ut aliquip ex ea ! commodo consequat. ! o Duis aute irure dolor | in reprehenderit in ~ voluptate velit esse cillum dolore eu
mercurial/graphmod.py file | annotate | diff | comparison | revisions
tests/test-glog.t file | annotate | diff | comparison | revisions 
--- a/mercurial/graphmod.py	Sun Apr 24 14:21:38 2016 +0300
+++ b/mercurial/graphmod.py	Wed May 04 20:11:59 2016 +0100
@@ -32,7 +32,9 @@
 GRANDPARENT = 'G'
 MISSINGPARENT = 'M'
 # Style of line to draw. None signals a line that ends and is removed at this
-# point.
+# point. A number prefix means only the last N characters of the current block
+# will use that style, the rest will use the PARENT style. Add a - sign
+# (so making N negative) and all but the first N characters use that style.
 EDGES = {PARENT: '|', GRANDPARENT: ':', MISSINGPARENT: None}
 
 def groupbranchiter(revs, parentsfunc, firstbranch=()):
@@ -653,6 +655,22 @@
     while len(text) < len(lines):
         text.append("")
 
+    if any(len(char) > 1 for char in edgemap.values()):
+        # limit drawing an edge to the first or last N lines of the current
+        # section the rest of the edge is drawn like a parent line.
+        parent = state['styles'][PARENT][-1]
+        def _drawgp(char, i):
+            # should a grandparent character be drawn for this line?
+            if len(char) < 2:
+                return True
+            num = int(char[:-1])
+            # either skip first num lines or take last num lines, based on sign
+            return -num <= i if num < 0 else (len(lines) - i) <= num
+        for i, line in enumerate(lines):
+            line[:] = [c[-1] if _drawgp(c, i) else parent for c in line]
+        edgemap = dict(
+            (e, c if len(c) < 2 else parent) for e, c in edgemap.items())
+
     # print lines
     indentation_level = max(ncols, ncols + coldiff)
     for (line, logstr) in zip(lines, text):
--- a/tests/test-glog.t	Sun Apr 24 14:21:38 2016 +0300
+++ b/tests/test-glog.t	Wed May 04 20:11:59 2016 +0100
@@ -3036,7 +3036,229 @@
        date:        Thu Jan 01 00:00:04 1970 +0000
        summary:     (4) merge two known; one immediate left, one immediate right
   
+Draw only part of a grandparent line differently with "<N><char>"; only the
+last N lines (for positive N) or everything but the first N lines (for
+negative N) along the current node use the style, the rest of the edge uses
+the parent edge styling.
 
+Last 3 lines:
+
+  $ cat << EOF >> $HGRCPATH
+  > [experimental]
+  > graphstyle.parent = !
+  > graphstyle.grandparent = 3.
+  > graphstyle.missing =
+  > EOF
+  $ hg log -G -r '36:18 & file("a")' -m
+  @  changeset:   36:08a19a744424
+  !  branch:      branch
+  !  tag:         tip
+  !  parent:      35:9159c3644c5e
+  !  parent:      35:9159c3644c5e
+  !  user:        test
+  .  date:        Thu Jan 01 00:00:36 1970 +0000
+  .  summary:     (36) buggy merge: identical parents
+  .
+  o    changeset:   32:d06dffa21a31
+  !\   parent:      27:886ed638191b
+  ! !  parent:      31:621d83e11f67
+  ! !  user:        test
+  ! .  date:        Thu Jan 01 00:00:32 1970 +0000
+  ! .  summary:     (32) expand
+  ! .
+  o !  changeset:   31:621d83e11f67
+  !\!  parent:      21:d42a756af44d
+  ! !  parent:      30:6e11cd4b648f
+  ! !  user:        test
+  ! .  date:        Thu Jan 01 00:00:31 1970 +0000
+  ! .  summary:     (31) expand
+  ! .
+  o !    changeset:   30:6e11cd4b648f
+  !\ \   parent:      28:44ecd0b9ae99
+  ! ~ !  parent:      29:cd9bb2be7593
+  !   !  user:        test
+  !   .  date:        Thu Jan 01 00:00:30 1970 +0000
+  !   .  summary:     (30) expand
+  !  /
+  o !    changeset:   28:44ecd0b9ae99
+  !\ \   parent:      1:6db2ef61d156
+  ! ~ !  parent:      26:7f25b6c2f0b9
+  !   !  user:        test
+  !   .  date:        Thu Jan 01 00:00:28 1970 +0000
+  !   .  summary:     (28) merge zero known
+  !  /
+  o !    changeset:   26:7f25b6c2f0b9
+  !\ \   parent:      18:1aa84d96232a
+  ! ! !  parent:      25:91da8ed57247
+  ! ! !  user:        test
+  ! ! .  date:        Thu Jan 01 00:00:26 1970 +0000
+  ! ! .  summary:     (26) merge one known; far right
+  ! ! .
+  ! o !  changeset:   25:91da8ed57247
+  ! !\!  parent:      21:d42a756af44d
+  ! ! !  parent:      24:a9c19a3d96b7
+  ! ! !  user:        test
+  ! ! .  date:        Thu Jan 01 00:00:25 1970 +0000
+  ! ! .  summary:     (25) merge one known; far left
+  ! ! .
+  ! o !    changeset:   24:a9c19a3d96b7
+  ! !\ \   parent:      0:e6eb3150255d
+  ! ! ~ !  parent:      23:a01cddf0766d
+  ! !   !  user:        test
+  ! !   .  date:        Thu Jan 01 00:00:24 1970 +0000
+  ! !   .  summary:     (24) merge one known; immediate right
+  ! !  /
+  ! o !    changeset:   23:a01cddf0766d
+  ! !\ \   parent:      1:6db2ef61d156
+  ! ! ~ !  parent:      22:e0d9cccacb5d
+  ! !   !  user:        test
+  ! !   .  date:        Thu Jan 01 00:00:23 1970 +0000
+  ! !   .  summary:     (23) merge one known; immediate left
+  ! !  /
+  ! o !  changeset:   22:e0d9cccacb5d
+  !/!/   parent:      18:1aa84d96232a
+  ! !    parent:      21:d42a756af44d
+  ! !    user:        test
+  ! .    date:        Thu Jan 01 00:00:22 1970 +0000
+  ! .    summary:     (22) merge two known; one far left, one far right
+  ! .
+  ! o    changeset:   21:d42a756af44d
+  ! !\   parent:      19:31ddc2c1573b
+  ! ! !  parent:      20:d30ed6450e32
+  ! ! !  user:        test
+  ! ! !  date:        Thu Jan 01 00:00:21 1970 +0000
+  ! ! !  summary:     (21) expand
+  ! ! !
+  +---o  changeset:   20:d30ed6450e32
+  ! ! |  parent:      0:e6eb3150255d
+  ! ! ~  parent:      18:1aa84d96232a
+  ! !    user:        test
+  ! !    date:        Thu Jan 01 00:00:20 1970 +0000
+  ! !    summary:     (20) merge two known; two far right
+  ! !
+  ! o    changeset:   19:31ddc2c1573b
+  ! |\   parent:      15:1dda3f72782d
+  ! ~ ~  parent:      17:44765d7c06e0
+  !      user:        test
+  !      date:        Thu Jan 01 00:00:19 1970 +0000
+  !      summary:     (19) expand
+  !
+  o    changeset:   18:1aa84d96232a
+  |\   parent:      1:6db2ef61d156
+  ~ ~  parent:      15:1dda3f72782d
+       user:        test
+       date:        Thu Jan 01 00:00:18 1970 +0000
+       summary:     (18) merge two known; two far left
+  
+All but the first 3 lines:
+
+  $ cat << EOF >> $HGRCPATH
+  > [experimental]
+  > graphstyle.parent = !
+  > graphstyle.grandparent = -3.
+  > graphstyle.missing =
+  > EOF
+  $ hg log -G -r '36:18 & file("a")' -m
+  @  changeset:   36:08a19a744424
+  !  branch:      branch
+  !  tag:         tip
+  .  parent:      35:9159c3644c5e
+  .  parent:      35:9159c3644c5e
+  .  user:        test
+  .  date:        Thu Jan 01 00:00:36 1970 +0000
+  .  summary:     (36) buggy merge: identical parents
+  .
+  o    changeset:   32:d06dffa21a31
+  !\   parent:      27:886ed638191b
+  ! !  parent:      31:621d83e11f67
+  ! .  user:        test
+  ! .  date:        Thu Jan 01 00:00:32 1970 +0000
+  ! .  summary:     (32) expand
+  ! .
+  o !  changeset:   31:621d83e11f67
+  !\!  parent:      21:d42a756af44d
+  ! !  parent:      30:6e11cd4b648f
+  ! .  user:        test
+  ! .  date:        Thu Jan 01 00:00:31 1970 +0000
+  ! .  summary:     (31) expand
+  ! .
+  o !    changeset:   30:6e11cd4b648f
+  !\ \   parent:      28:44ecd0b9ae99
+  ! ~ !  parent:      29:cd9bb2be7593
+  !   .  user:        test
+  !   .  date:        Thu Jan 01 00:00:30 1970 +0000
+  !   .  summary:     (30) expand
+  !  /
+  o !    changeset:   28:44ecd0b9ae99
+  !\ \   parent:      1:6db2ef61d156
+  ! ~ !  parent:      26:7f25b6c2f0b9
+  !   .  user:        test
+  !   .  date:        Thu Jan 01 00:00:28 1970 +0000
+  !   .  summary:     (28) merge zero known
+  !  /
+  o !    changeset:   26:7f25b6c2f0b9
+  !\ \   parent:      18:1aa84d96232a
+  ! ! !  parent:      25:91da8ed57247
+  ! ! .  user:        test
+  ! ! .  date:        Thu Jan 01 00:00:26 1970 +0000
+  ! ! .  summary:     (26) merge one known; far right
+  ! ! .
+  ! o !  changeset:   25:91da8ed57247
+  ! !\!  parent:      21:d42a756af44d
+  ! ! !  parent:      24:a9c19a3d96b7
+  ! ! .  user:        test
+  ! ! .  date:        Thu Jan 01 00:00:25 1970 +0000
+  ! ! .  summary:     (25) merge one known; far left
+  ! ! .
+  ! o !    changeset:   24:a9c19a3d96b7
+  ! !\ \   parent:      0:e6eb3150255d
+  ! ! ~ !  parent:      23:a01cddf0766d
+  ! !   .  user:        test
+  ! !   .  date:        Thu Jan 01 00:00:24 1970 +0000
+  ! !   .  summary:     (24) merge one known; immediate right
+  ! !  /
+  ! o !    changeset:   23:a01cddf0766d
+  ! !\ \   parent:      1:6db2ef61d156
+  ! ! ~ !  parent:      22:e0d9cccacb5d
+  ! !   .  user:        test
+  ! !   .  date:        Thu Jan 01 00:00:23 1970 +0000
+  ! !   .  summary:     (23) merge one known; immediate left
+  ! !  /
+  ! o !  changeset:   22:e0d9cccacb5d
+  !/!/   parent:      18:1aa84d96232a
+  ! !    parent:      21:d42a756af44d
+  ! .    user:        test
+  ! .    date:        Thu Jan 01 00:00:22 1970 +0000
+  ! .    summary:     (22) merge two known; one far left, one far right
+  ! .
+  ! o    changeset:   21:d42a756af44d
+  ! !\   parent:      19:31ddc2c1573b
+  ! ! !  parent:      20:d30ed6450e32
+  ! ! !  user:        test
+  ! ! !  date:        Thu Jan 01 00:00:21 1970 +0000
+  ! ! !  summary:     (21) expand
+  ! ! !
+  +---o  changeset:   20:d30ed6450e32
+  ! ! |  parent:      0:e6eb3150255d
+  ! ! ~  parent:      18:1aa84d96232a
+  ! !    user:        test
+  ! !    date:        Thu Jan 01 00:00:20 1970 +0000
+  ! !    summary:     (20) merge two known; two far right
+  ! !
+  ! o    changeset:   19:31ddc2c1573b
+  ! |\   parent:      15:1dda3f72782d
+  ! ~ ~  parent:      17:44765d7c06e0
+  !      user:        test
+  !      date:        Thu Jan 01 00:00:19 1970 +0000
+  !      summary:     (19) expand
+  !
+  o    changeset:   18:1aa84d96232a
+  |\   parent:      1:6db2ef61d156
+  ~ ~  parent:      15:1dda3f72782d
+       user:        test
+       date:        Thu Jan 01 00:00:18 1970 +0000
+       summary:     (18) merge two known; two far left
+  
   $ cd ..
 
 Change graph shorten, test better with graphstyle.missing not none
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