tests/test-glog.t
author FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
Fri, 29 Mar 2013 22:57:16 +0900
changeset 18993 0fd0612dc855
parent 18991 c1af1fb314bc
child 19060 c010cb6fdef7
permissions -rw-r--r--
annotate: increase refcount of each revisions correctly (issue3841) Before this patch, refcount (managed in "needed") of parents of each revisions in "visit" is increased, only when parent is not annotated yet (examined by "p not in hist"). But this causes less refcount of the revision like "A" in the tree below ("A" is assumed as the second parent of "C"): A --- B --- C \ / \-----/ Steps of annotation for "C" in this case are shown below: 1. for "C" 1.1 increase refcount of "B" 1.2 increase refcount of "A" (=> 1) 1.3 defer annotation for "C" 2. for "A" 2.1 annotate for "A" (=> put result into "hist[A]") 2.2 clear "pcache[A]" ("pcache[A] = []") 3. for "B" 3.1 not increase refcount of "A", because "A not in hist" is False 3.2 annotate for "B" 3.3 decrease refcount of "A" (=> 0) 3.4 delete "hist[A]", even though "A" is still needed by "C" 3.5 clear "pcache[B]" 4. for "C", again 4.1 not increase refcount of "B", because "B not in hist" is False 4.2 increase refcount of "A" (=> 1) 4.3 defer annotation for "C" 5. for "A", again 5.1 annotate for "A" (=> put result into "hist[A]", again) 5.2 clear "pcache[A]" 6. for "C", once again 6.1 not increase refcount of "B", because "B not in hist" is False 6.2 not increase refcount of "A", because "A not in hist" is False 6.3 annotate for "C" 6.4 decrease refcount of "A", and delete "hist[A]" 6.5 decrease refcount of "B", and delete "hist[B]" 6.6 clear "pcache[C]" At step (5.1), annotation for "A" mis-recognizes that all lines are created at "A", because "pcache[A]" already cleared at step (2.2) prevents from scanning ancestors of "A". So, annotation for "C" or its descendants loses information about "A" or its ancestors. The root cause of this problem is that refcount of "A" is decreased at step (3.3), even though it isn't increased at step (3.1). To increase refcount correctly, this patch increases refcount of each parents of each revisions: - regardless of "p not in hist" or not, and - only once for each revisions in "visit" (by "not pcached") In fact, this problem should occur only on legacy repositories in which a filelog includes the merging between the revision and its ancestor (as the second parent), because: - tree is scanned in depth-first without such merging, revisions in "visit" refer different revisions as parent each other - recent Mercurial doesn't allow such merging changelog and manifest can include such merging someway, but filelogs can't, because "localrepository._filecommit()" converts such merging request to linear history. This patch tests merging cases below: these cases are from filelog of "mercurial/commands.py" in the repository of Mercurial itself. - both parents are same 10 --- 11 --- 12 \_/ filelogrev: changesetid: 10 00ea3613f82c 11 fc4a6e5b5812 12 4f802588cdfb - the second parent is also ancestor of the first one 37 --- 38 --- 39 --- 40 \________/ filelogrev: changesetid: 37 f8d56da6ac8f 38 38919e1c254d 39 d3400605d246 40 f06a4a3b86a7

@  (34) head
|
| o  (33) head
| |
o |    (32) expand
|\ \
| o \    (31) expand
| |\ \
| | o \    (30) expand
| | |\ \
| | | o |  (29) regular commit
| | | | |
| | o | |    (28) merge zero known
| | |\ \ \
o | | | | |  (27) collapse
|/ / / / /
| | o---+  (26) merge one known; far right
| | | | |
+---o | |  (25) merge one known; far left
| | | | |
| | o | |  (24) merge one known; immediate right
| | |\| |
| | o | |  (23) merge one known; immediate left
| |/| | |
+---o---+  (22) merge two known; one far left, one far right
| |  / /
o | | |    (21) expand
|\ \ \ \
| o---+-+  (20) merge two known; two far right
|  / / /
o | | |    (19) expand
|\ \ \ \
+---+---o  (18) merge two known; two far left
| | | |
| o | |    (17) expand
| |\ \ \
| | o---+  (16) merge two known; one immediate right, one near right
| | |/ /
o | | |    (15) expand
|\ \ \ \
| o-----+  (14) merge two known; one immediate right, one far right
| |/ / /
o | | |    (13) expand
|\ \ \ \
+---o | |  (12) merge two known; one immediate right, one far left
| | |/ /
| o | |    (11) expand
| |\ \ \
| | o---+  (10) merge two known; one immediate left, one near right
| |/ / /
o | | |    (9) expand
|\ \ \ \
| o-----+  (8) merge two known; one immediate left, one far right
|/ / / /
o | | |    (7) expand
|\ \ \ \
+---o | |  (6) merge two known; one immediate left, one far left
| |/ / /
| o | |    (5) expand
| |\ \ \
| | o | |  (4) merge two known; one immediate left, one immediate right
| |/|/ /
| o / /  (3) collapse
|/ / /
o / /  (2) collapse
|/ /
o /  (1) collapse
|/
o  (0) root


  $ commit()
  > {
  >   rev=$1
  >   msg=$2
  >   shift 2
  >   if [ "$#" -gt 0 ]; then
  >       hg debugsetparents "$@"
  >   fi
  >   echo $rev > a
  >   hg commit -Aqd "$rev 0" -m "($rev) $msg"
  > }

  $ cat > printrevset.py <<EOF
  > from mercurial import extensions, revset, commands, cmdutil
  > 
  > def uisetup(ui):
  >     def printrevset(orig, ui, repo, *pats, **opts):
  >         if opts.get('print_revset'):
  >             expr = cmdutil.getgraphlogrevs(repo, pats, opts)[1]
  >             if expr:
  >                 tree = revset.parse(expr)[0]
  >             else:
  >                 tree = []
  >             ui.write('%r\n' % (opts.get('rev', []),))
  >             ui.write(revset.prettyformat(tree) + '\n')
  >             return 0
  >         return orig(ui, repo, *pats, **opts)
  >     entry = extensions.wrapcommand(commands.table, 'log', printrevset)
  >     entry[1].append(('', 'print-revset', False,
  >                      'print generated revset and exit (DEPRECATED)'))
  > EOF

  $ echo "[extensions]" >> $HGRCPATH
  $ echo "graphlog=" >> $HGRCPATH
  $ echo "printrevset=`pwd`/printrevset.py" >> $HGRCPATH

  $ hg init repo
  $ cd repo

Empty repo:

  $ hg glog


Building DAG:

  $ commit 0 "root"
  $ commit 1 "collapse" 0
  $ commit 2 "collapse" 1
  $ commit 3 "collapse" 2
  $ commit 4 "merge two known; one immediate left, one immediate right" 1 3
  $ commit 5 "expand" 3 4
  $ commit 6 "merge two known; one immediate left, one far left" 2 5
  $ commit 7 "expand" 2 5
  $ commit 8 "merge two known; one immediate left, one far right" 0 7
  $ commit 9 "expand" 7 8
  $ commit 10 "merge two known; one immediate left, one near right" 0 6
  $ commit 11 "expand" 6 10
  $ commit 12 "merge two known; one immediate right, one far left" 1 9
  $ commit 13 "expand" 9 11
  $ commit 14 "merge two known; one immediate right, one far right" 0 12
  $ commit 15 "expand" 13 14
  $ commit 16 "merge two known; one immediate right, one near right" 0 1
  $ commit 17 "expand" 12 16
  $ commit 18 "merge two known; two far left" 1 15
  $ commit 19 "expand" 15 17
  $ commit 20 "merge two known; two far right" 0 18
  $ commit 21 "expand" 19 20
  $ commit 22 "merge two known; one far left, one far right" 18 21
  $ commit 23 "merge one known; immediate left" 1 22
  $ commit 24 "merge one known; immediate right" 0 23
  $ commit 25 "merge one known; far left" 21 24
  $ commit 26 "merge one known; far right" 18 25
  $ commit 27 "collapse" 21
  $ commit 28 "merge zero known" 1 26
  $ commit 29 "regular commit" 0
  $ commit 30 "expand" 28 29
  $ commit 31 "expand" 21 30
  $ commit 32 "expand" 27 31
  $ commit 33 "head" 18
  $ commit 34 "head" 32


  $ hg glog -q
  @  34:fea3ac5810e0
  |
  | o  33:68608f5145f9
  | |
  o |    32:d06dffa21a31
  |\ \
  | o \    31:621d83e11f67
  | |\ \
  | | o \    30:6e11cd4b648f
  | | |\ \
  | | | o |  29:cd9bb2be7593
  | | | | |
  | | o | |    28:44ecd0b9ae99
  | | |\ \ \
  o | | | | |  27:886ed638191b
  |/ / / / /
  | | o---+  26:7f25b6c2f0b9
  | | | | |
  +---o | |  25:91da8ed57247
  | | | | |
  | | o | |  24:a9c19a3d96b7
  | | |\| |
  | | o | |  23:a01cddf0766d
  | |/| | |
  +---o---+  22:e0d9cccacb5d
  | |  / /
  o | | |    21:d42a756af44d
  |\ \ \ \
  | o---+-+  20:d30ed6450e32
  |  / / /
  o | | |    19:31ddc2c1573b
  |\ \ \ \
  +---+---o  18:1aa84d96232a
  | | | |
  | o | |    17:44765d7c06e0
  | |\ \ \
  | | o---+  16:3677d192927d
  | | |/ /
  o | | |    15:1dda3f72782d
  |\ \ \ \
  | o-----+  14:8eac370358ef
  | |/ / /
  o | | |    13:22d8966a97e3
  |\ \ \ \
  +---o | |  12:86b91144a6e9
  | | |/ /
  | o | |    11:832d76e6bdf2
  | |\ \ \
  | | o---+  10:74c64d036d72
  | |/ / /
  o | | |    9:7010c0af0a35
  |\ \ \ \
  | o-----+  8:7a0b11f71937
  |/ / / /
  o | | |    7:b632bb1b1224
  |\ \ \ \
  +---o | |  6:b105a072e251
  | |/ / /
  | o | |    5:4409d547b708
  | |\ \ \
  | | o | |  4:26a8bac39d9f
  | |/|/ /
  | o / /  3:27eef8ed80b4
  |/ / /
  o / /  2:3d9a33b8d1e1
  |/ /
  o /  1:6db2ef61d156
  |/
  o  0:e6eb3150255d
  

  $ hg glog
  @  changeset:   34:fea3ac5810e0
  |  tag:         tip
  |  parent:      32:d06dffa21a31
  |  user:        test
  |  date:        Thu Jan 01 00:00:34 1970 +0000
  |  summary:     (34) head
  |
  | o  changeset:   33:68608f5145f9
  | |  parent:      18:1aa84d96232a
  | |  user:        test
  | |  date:        Thu Jan 01 00:00:33 1970 +0000
  | |  summary:     (33) head
  | |
  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:   29:cd9bb2be7593
  | | | | |  parent:      0:e6eb3150255d
  | | | | |  user:        test
  | | | | |  date:        Thu Jan 01 00:00:29 1970 +0000
  | | | | |  summary:     (29) regular commit
  | | | | |
  | | 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:   27:886ed638191b
  |/ / / / /   parent:      21:d42a756af44d
  | | | | |    user:        test
  | | | | |    date:        Thu Jan 01 00:00:27 1970 +0000
  | | | | |    summary:     (27) collapse
  | | | | |
  | | 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
  | | | |
  | o | |    changeset:   17:44765d7c06e0
  | |\ \ \   parent:      12:86b91144a6e9
  | | | | |  parent:      16:3677d192927d
  | | | | |  user:        test
  | | | | |  date:        Thu Jan 01 00:00:17 1970 +0000
  | | | | |  summary:     (17) expand
  | | | | |
  | | o---+  changeset:   16:3677d192927d
  | | | | |  parent:      0:e6eb3150255d
  | | |/ /   parent:      1:6db2ef61d156
  | | | |    user:        test
  | | | |    date:        Thu Jan 01 00:00:16 1970 +0000
  | | | |    summary:     (16) merge two known; one immediate right, one near right
  | | | |
  o | | |    changeset:   15:1dda3f72782d
  |\ \ \ \   parent:      13:22d8966a97e3
  | | | | |  parent:      14:8eac370358ef
  | | | | |  user:        test
  | | | | |  date:        Thu Jan 01 00:00:15 1970 +0000
  | | | | |  summary:     (15) expand
  | | | | |
  | o-----+  changeset:   14:8eac370358ef
  | | | | |  parent:      0:e6eb3150255d
  | |/ / /   parent:      12:86b91144a6e9
  | | | |    user:        test
  | | | |    date:        Thu Jan 01 00:00:14 1970 +0000
  | | | |    summary:     (14) merge two known; one immediate right, one far right
  | | | |
  o | | |    changeset:   13:22d8966a97e3
  |\ \ \ \   parent:      9:7010c0af0a35
  | | | | |  parent:      11:832d76e6bdf2
  | | | | |  user:        test
  | | | | |  date:        Thu Jan 01 00:00:13 1970 +0000
  | | | | |  summary:     (13) expand
  | | | | |
  +---o | |  changeset:   12:86b91144a6e9
  | | |/ /   parent:      1:6db2ef61d156
  | | | |    parent:      9:7010c0af0a35
  | | | |    user:        test
  | | | |    date:        Thu Jan 01 00:00:12 1970 +0000
  | | | |    summary:     (12) merge two known; one immediate right, one far left
  | | | |
  | o | |    changeset:   11:832d76e6bdf2
  | |\ \ \   parent:      6:b105a072e251
  | | | | |  parent:      10:74c64d036d72
  | | | | |  user:        test
  | | | | |  date:        Thu Jan 01 00:00:11 1970 +0000
  | | | | |  summary:     (11) expand
  | | | | |
  | | o---+  changeset:   10:74c64d036d72
  | | | | |  parent:      0:e6eb3150255d
  | |/ / /   parent:      6:b105a072e251
  | | | |    user:        test
  | | | |    date:        Thu Jan 01 00:00:10 1970 +0000
  | | | |    summary:     (10) merge two known; one immediate left, one near right
  | | | |
  o | | |    changeset:   9:7010c0af0a35
  |\ \ \ \   parent:      7:b632bb1b1224
  | | | | |  parent:      8:7a0b11f71937
  | | | | |  user:        test
  | | | | |  date:        Thu Jan 01 00:00:09 1970 +0000
  | | | | |  summary:     (9) expand
  | | | | |
  | o-----+  changeset:   8:7a0b11f71937
  | | | | |  parent:      0:e6eb3150255d
  |/ / / /   parent:      7:b632bb1b1224
  | | | |    user:        test
  | | | |    date:        Thu Jan 01 00:00:08 1970 +0000
  | | | |    summary:     (8) merge two known; one immediate left, one far right
  | | | |
  o | | |    changeset:   7:b632bb1b1224
  |\ \ \ \   parent:      2:3d9a33b8d1e1
  | | | | |  parent:      5:4409d547b708
  | | | | |  user:        test
  | | | | |  date:        Thu Jan 01 00:00:07 1970 +0000
  | | | | |  summary:     (7) expand
  | | | | |
  +---o | |  changeset:   6:b105a072e251
  | |/ / /   parent:      2:3d9a33b8d1e1
  | | | |    parent:      5:4409d547b708
  | | | |    user:        test
  | | | |    date:        Thu Jan 01 00:00:06 1970 +0000
  | | | |    summary:     (6) merge two known; one immediate left, one far left
  | | | |
  | o | |    changeset:   5:4409d547b708
  | |\ \ \   parent:      3:27eef8ed80b4
  | | | | |  parent:      4:26a8bac39d9f
  | | | | |  user:        test
  | | | | |  date:        Thu Jan 01 00:00:05 1970 +0000
  | | | | |  summary:     (5) expand
  | | | | |
  | | o | |  changeset:   4:26a8bac39d9f
  | |/|/ /   parent:      1:6db2ef61d156
  | | | |    parent:      3:27eef8ed80b4
  | | | |    user:        test
  | | | |    date:        Thu Jan 01 00:00:04 1970 +0000
  | | | |    summary:     (4) merge two known; one immediate left, one immediate right
  | | | |
  | o | |  changeset:   3:27eef8ed80b4
  |/ / /   user:        test
  | | |    date:        Thu Jan 01 00:00:03 1970 +0000
  | | |    summary:     (3) collapse
  | | |
  o | |  changeset:   2:3d9a33b8d1e1
  |/ /   user:        test
  | |    date:        Thu Jan 01 00:00:02 1970 +0000
  | |    summary:     (2) collapse
  | |
  o |  changeset:   1:6db2ef61d156
  |/   user:        test
  |    date:        Thu Jan 01 00:00:01 1970 +0000
  |    summary:     (1) collapse
  |
  o  changeset:   0:e6eb3150255d
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     (0) root
  

File glog:
  $ hg glog a
  @  changeset:   34:fea3ac5810e0
  |  tag:         tip
  |  parent:      32:d06dffa21a31
  |  user:        test
  |  date:        Thu Jan 01 00:00:34 1970 +0000
  |  summary:     (34) head
  |
  | o  changeset:   33:68608f5145f9
  | |  parent:      18:1aa84d96232a
  | |  user:        test
  | |  date:        Thu Jan 01 00:00:33 1970 +0000
  | |  summary:     (33) head
  | |
  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:   29:cd9bb2be7593
  | | | | |  parent:      0:e6eb3150255d
  | | | | |  user:        test
  | | | | |  date:        Thu Jan 01 00:00:29 1970 +0000
  | | | | |  summary:     (29) regular commit
  | | | | |
  | | 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:   27:886ed638191b
  |/ / / / /   parent:      21:d42a756af44d
  | | | | |    user:        test
  | | | | |    date:        Thu Jan 01 00:00:27 1970 +0000
  | | | | |    summary:     (27) collapse
  | | | | |
  | | 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
  | | | |
  | o | |    changeset:   17:44765d7c06e0
  | |\ \ \   parent:      12:86b91144a6e9
  | | | | |  parent:      16:3677d192927d
  | | | | |  user:        test
  | | | | |  date:        Thu Jan 01 00:00:17 1970 +0000
  | | | | |  summary:     (17) expand
  | | | | |
  | | o---+  changeset:   16:3677d192927d
  | | | | |  parent:      0:e6eb3150255d
  | | |/ /   parent:      1:6db2ef61d156
  | | | |    user:        test
  | | | |    date:        Thu Jan 01 00:00:16 1970 +0000
  | | | |    summary:     (16) merge two known; one immediate right, one near right
  | | | |
  o | | |    changeset:   15:1dda3f72782d
  |\ \ \ \   parent:      13:22d8966a97e3
  | | | | |  parent:      14:8eac370358ef
  | | | | |  user:        test
  | | | | |  date:        Thu Jan 01 00:00:15 1970 +0000
  | | | | |  summary:     (15) expand
  | | | | |
  | o-----+  changeset:   14:8eac370358ef
  | | | | |  parent:      0:e6eb3150255d
  | |/ / /   parent:      12:86b91144a6e9
  | | | |    user:        test
  | | | |    date:        Thu Jan 01 00:00:14 1970 +0000
  | | | |    summary:     (14) merge two known; one immediate right, one far right
  | | | |
  o | | |    changeset:   13:22d8966a97e3
  |\ \ \ \   parent:      9:7010c0af0a35
  | | | | |  parent:      11:832d76e6bdf2
  | | | | |  user:        test
  | | | | |  date:        Thu Jan 01 00:00:13 1970 +0000
  | | | | |  summary:     (13) expand
  | | | | |
  +---o | |  changeset:   12:86b91144a6e9
  | | |/ /   parent:      1:6db2ef61d156
  | | | |    parent:      9:7010c0af0a35
  | | | |    user:        test
  | | | |    date:        Thu Jan 01 00:00:12 1970 +0000
  | | | |    summary:     (12) merge two known; one immediate right, one far left
  | | | |
  | o | |    changeset:   11:832d76e6bdf2
  | |\ \ \   parent:      6:b105a072e251
  | | | | |  parent:      10:74c64d036d72
  | | | | |  user:        test
  | | | | |  date:        Thu Jan 01 00:00:11 1970 +0000
  | | | | |  summary:     (11) expand
  | | | | |
  | | o---+  changeset:   10:74c64d036d72
  | | | | |  parent:      0:e6eb3150255d
  | |/ / /   parent:      6:b105a072e251
  | | | |    user:        test
  | | | |    date:        Thu Jan 01 00:00:10 1970 +0000
  | | | |    summary:     (10) merge two known; one immediate left, one near right
  | | | |
  o | | |    changeset:   9:7010c0af0a35
  |\ \ \ \   parent:      7:b632bb1b1224
  | | | | |  parent:      8:7a0b11f71937
  | | | | |  user:        test
  | | | | |  date:        Thu Jan 01 00:00:09 1970 +0000
  | | | | |  summary:     (9) expand
  | | | | |
  | o-----+  changeset:   8:7a0b11f71937
  | | | | |  parent:      0:e6eb3150255d
  |/ / / /   parent:      7:b632bb1b1224
  | | | |    user:        test
  | | | |    date:        Thu Jan 01 00:00:08 1970 +0000
  | | | |    summary:     (8) merge two known; one immediate left, one far right
  | | | |
  o | | |    changeset:   7:b632bb1b1224
  |\ \ \ \   parent:      2:3d9a33b8d1e1
  | | | | |  parent:      5:4409d547b708
  | | | | |  user:        test
  | | | | |  date:        Thu Jan 01 00:00:07 1970 +0000
  | | | | |  summary:     (7) expand
  | | | | |
  +---o | |  changeset:   6:b105a072e251
  | |/ / /   parent:      2:3d9a33b8d1e1
  | | | |    parent:      5:4409d547b708
  | | | |    user:        test
  | | | |    date:        Thu Jan 01 00:00:06 1970 +0000
  | | | |    summary:     (6) merge two known; one immediate left, one far left
  | | | |
  | o | |    changeset:   5:4409d547b708
  | |\ \ \   parent:      3:27eef8ed80b4
  | | | | |  parent:      4:26a8bac39d9f
  | | | | |  user:        test
  | | | | |  date:        Thu Jan 01 00:00:05 1970 +0000
  | | | | |  summary:     (5) expand
  | | | | |
  | | o | |  changeset:   4:26a8bac39d9f
  | |/|/ /   parent:      1:6db2ef61d156
  | | | |    parent:      3:27eef8ed80b4
  | | | |    user:        test
  | | | |    date:        Thu Jan 01 00:00:04 1970 +0000
  | | | |    summary:     (4) merge two known; one immediate left, one immediate right
  | | | |
  | o | |  changeset:   3:27eef8ed80b4
  |/ / /   user:        test
  | | |    date:        Thu Jan 01 00:00:03 1970 +0000
  | | |    summary:     (3) collapse
  | | |
  o | |  changeset:   2:3d9a33b8d1e1
  |/ /   user:        test
  | |    date:        Thu Jan 01 00:00:02 1970 +0000
  | |    summary:     (2) collapse
  | |
  o |  changeset:   1:6db2ef61d156
  |/   user:        test
  |    date:        Thu Jan 01 00:00:01 1970 +0000
  |    summary:     (1) collapse
  |
  o  changeset:   0:e6eb3150255d
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     (0) root
  

File glog per revset:

  $ hg glog -r 'file("a")'
  @  changeset:   34:fea3ac5810e0
  |  tag:         tip
  |  parent:      32:d06dffa21a31
  |  user:        test
  |  date:        Thu Jan 01 00:00:34 1970 +0000
  |  summary:     (34) head
  |
  | o  changeset:   33:68608f5145f9
  | |  parent:      18:1aa84d96232a
  | |  user:        test
  | |  date:        Thu Jan 01 00:00:33 1970 +0000
  | |  summary:     (33) head
  | |
  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:   29:cd9bb2be7593
  | | | | |  parent:      0:e6eb3150255d
  | | | | |  user:        test
  | | | | |  date:        Thu Jan 01 00:00:29 1970 +0000
  | | | | |  summary:     (29) regular commit
  | | | | |
  | | 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:   27:886ed638191b
  |/ / / / /   parent:      21:d42a756af44d
  | | | | |    user:        test
  | | | | |    date:        Thu Jan 01 00:00:27 1970 +0000
  | | | | |    summary:     (27) collapse
  | | | | |
  | | 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
  | | | |
  | o | |    changeset:   17:44765d7c06e0
  | |\ \ \   parent:      12:86b91144a6e9
  | | | | |  parent:      16:3677d192927d
  | | | | |  user:        test
  | | | | |  date:        Thu Jan 01 00:00:17 1970 +0000
  | | | | |  summary:     (17) expand
  | | | | |
  | | o---+  changeset:   16:3677d192927d
  | | | | |  parent:      0:e6eb3150255d
  | | |/ /   parent:      1:6db2ef61d156
  | | | |    user:        test
  | | | |    date:        Thu Jan 01 00:00:16 1970 +0000
  | | | |    summary:     (16) merge two known; one immediate right, one near right
  | | | |
  o | | |    changeset:   15:1dda3f72782d
  |\ \ \ \   parent:      13:22d8966a97e3
  | | | | |  parent:      14:8eac370358ef
  | | | | |  user:        test
  | | | | |  date:        Thu Jan 01 00:00:15 1970 +0000
  | | | | |  summary:     (15) expand
  | | | | |
  | o-----+  changeset:   14:8eac370358ef
  | | | | |  parent:      0:e6eb3150255d
  | |/ / /   parent:      12:86b91144a6e9
  | | | |    user:        test
  | | | |    date:        Thu Jan 01 00:00:14 1970 +0000
  | | | |    summary:     (14) merge two known; one immediate right, one far right
  | | | |
  o | | |    changeset:   13:22d8966a97e3
  |\ \ \ \   parent:      9:7010c0af0a35
  | | | | |  parent:      11:832d76e6bdf2
  | | | | |  user:        test
  | | | | |  date:        Thu Jan 01 00:00:13 1970 +0000
  | | | | |  summary:     (13) expand
  | | | | |
  +---o | |  changeset:   12:86b91144a6e9
  | | |/ /   parent:      1:6db2ef61d156
  | | | |    parent:      9:7010c0af0a35
  | | | |    user:        test
  | | | |    date:        Thu Jan 01 00:00:12 1970 +0000
  | | | |    summary:     (12) merge two known; one immediate right, one far left
  | | | |
  | o | |    changeset:   11:832d76e6bdf2
  | |\ \ \   parent:      6:b105a072e251
  | | | | |  parent:      10:74c64d036d72
  | | | | |  user:        test
  | | | | |  date:        Thu Jan 01 00:00:11 1970 +0000
  | | | | |  summary:     (11) expand
  | | | | |
  | | o---+  changeset:   10:74c64d036d72
  | | | | |  parent:      0:e6eb3150255d
  | |/ / /   parent:      6:b105a072e251
  | | | |    user:        test
  | | | |    date:        Thu Jan 01 00:00:10 1970 +0000
  | | | |    summary:     (10) merge two known; one immediate left, one near right
  | | | |
  o | | |    changeset:   9:7010c0af0a35
  |\ \ \ \   parent:      7:b632bb1b1224
  | | | | |  parent:      8:7a0b11f71937
  | | | | |  user:        test
  | | | | |  date:        Thu Jan 01 00:00:09 1970 +0000
  | | | | |  summary:     (9) expand
  | | | | |
  | o-----+  changeset:   8:7a0b11f71937
  | | | | |  parent:      0:e6eb3150255d
  |/ / / /   parent:      7:b632bb1b1224
  | | | |    user:        test
  | | | |    date:        Thu Jan 01 00:00:08 1970 +0000
  | | | |    summary:     (8) merge two known; one immediate left, one far right
  | | | |
  o | | |    changeset:   7:b632bb1b1224
  |\ \ \ \   parent:      2:3d9a33b8d1e1
  | | | | |  parent:      5:4409d547b708
  | | | | |  user:        test
  | | | | |  date:        Thu Jan 01 00:00:07 1970 +0000
  | | | | |  summary:     (7) expand
  | | | | |
  +---o | |  changeset:   6:b105a072e251
  | |/ / /   parent:      2:3d9a33b8d1e1
  | | | |    parent:      5:4409d547b708
  | | | |    user:        test
  | | | |    date:        Thu Jan 01 00:00:06 1970 +0000
  | | | |    summary:     (6) merge two known; one immediate left, one far left
  | | | |
  | o | |    changeset:   5:4409d547b708
  | |\ \ \   parent:      3:27eef8ed80b4
  | | | | |  parent:      4:26a8bac39d9f
  | | | | |  user:        test
  | | | | |  date:        Thu Jan 01 00:00:05 1970 +0000
  | | | | |  summary:     (5) expand
  | | | | |
  | | o | |  changeset:   4:26a8bac39d9f
  | |/|/ /   parent:      1:6db2ef61d156
  | | | |    parent:      3:27eef8ed80b4
  | | | |    user:        test
  | | | |    date:        Thu Jan 01 00:00:04 1970 +0000
  | | | |    summary:     (4) merge two known; one immediate left, one immediate right
  | | | |
  | o | |  changeset:   3:27eef8ed80b4
  |/ / /   user:        test
  | | |    date:        Thu Jan 01 00:00:03 1970 +0000
  | | |    summary:     (3) collapse
  | | |
  o | |  changeset:   2:3d9a33b8d1e1
  |/ /   user:        test
  | |    date:        Thu Jan 01 00:00:02 1970 +0000
  | |    summary:     (2) collapse
  | |
  o |  changeset:   1:6db2ef61d156
  |/   user:        test
  |    date:        Thu Jan 01 00:00:01 1970 +0000
  |    summary:     (1) collapse
  |
  o  changeset:   0:e6eb3150255d
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     (0) root
  


File glog per revset (only merges):

  $ hg log -G -r 'file("a")' -m
  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
  | | | | |
  | | | | o    changeset:   17:44765d7c06e0
  | | | | |\   parent:      12:86b91144a6e9
  | | | | | |  parent:      16:3677d192927d
  | | | | | |  user:        test
  | | | | | |  date:        Thu Jan 01 00:00:17 1970 +0000
  | | | | | |  summary:     (17) expand
  | | | | | |
  +-+-------o  changeset:   16:3677d192927d
  | | | | |    parent:      0:e6eb3150255d
  | | | | |    parent:      1:6db2ef61d156
  | | | | |    user:        test
  | | | | |    date:        Thu Jan 01 00:00:16 1970 +0000
  | | | | |    summary:     (16) merge two known; one immediate right, one near right
  | | | | |
  | | | o |    changeset:   15:1dda3f72782d
  | | | |\ \   parent:      13:22d8966a97e3
  | | | | | |  parent:      14:8eac370358ef
  | | | | | |  user:        test
  | | | | | |  date:        Thu Jan 01 00:00:15 1970 +0000
  | | | | | |  summary:     (15) expand
  | | | | | |
  +-------o |  changeset:   14:8eac370358ef
  | | | | |/   parent:      0:e6eb3150255d
  | | | | |    parent:      12:86b91144a6e9
  | | | | |    user:        test
  | | | | |    date:        Thu Jan 01 00:00:14 1970 +0000
  | | | | |    summary:     (14) merge two known; one immediate right, one far right
  | | | | |
  | | | o |    changeset:   13:22d8966a97e3
  | | | |\ \   parent:      9:7010c0af0a35
  | | | | | |  parent:      11:832d76e6bdf2
  | | | | | |  user:        test
  | | | | | |  date:        Thu Jan 01 00:00:13 1970 +0000
  | | | | | |  summary:     (13) expand
  | | | | | |
  | +---+---o  changeset:   12:86b91144a6e9
  | | | | |    parent:      1:6db2ef61d156
  | | | | |    parent:      9:7010c0af0a35
  | | | | |    user:        test
  | | | | |    date:        Thu Jan 01 00:00:12 1970 +0000
  | | | | |    summary:     (12) merge two known; one immediate right, one far left
  | | | | |
  | | | | o    changeset:   11:832d76e6bdf2
  | | | | |\   parent:      6:b105a072e251
  | | | | | |  parent:      10:74c64d036d72
  | | | | | |  user:        test
  | | | | | |  date:        Thu Jan 01 00:00:11 1970 +0000
  | | | | | |  summary:     (11) expand
  | | | | | |
  +---------o  changeset:   10:74c64d036d72
  | | | | |/   parent:      0:e6eb3150255d
  | | | | |    parent:      6:b105a072e251
  | | | | |    user:        test
  | | | | |    date:        Thu Jan 01 00:00:10 1970 +0000
  | | | | |    summary:     (10) merge two known; one immediate left, one near right
  | | | | |
  | | | o |    changeset:   9:7010c0af0a35
  | | | |\ \   parent:      7:b632bb1b1224
  | | | | | |  parent:      8:7a0b11f71937
  | | | | | |  user:        test
  | | | | | |  date:        Thu Jan 01 00:00:09 1970 +0000
  | | | | | |  summary:     (9) expand
  | | | | | |
  +-------o |  changeset:   8:7a0b11f71937
  | | | |/ /   parent:      0:e6eb3150255d
  | | | | |    parent:      7:b632bb1b1224
  | | | | |    user:        test
  | | | | |    date:        Thu Jan 01 00:00:08 1970 +0000
  | | | | |    summary:     (8) merge two known; one immediate left, one far right
  | | | | |
  | | | o |    changeset:   7:b632bb1b1224
  | | | |\ \   parent:      2:3d9a33b8d1e1
  | | | | | |  parent:      5:4409d547b708
  | | | | | |  user:        test
  | | | | | |  date:        Thu Jan 01 00:00:07 1970 +0000
  | | | | | |  summary:     (7) expand
  | | | | | |
  | | | +---o  changeset:   6:b105a072e251
  | | | | |/   parent:      2:3d9a33b8d1e1
  | | | | |    parent:      5:4409d547b708
  | | | | |    user:        test
  | | | | |    date:        Thu Jan 01 00:00:06 1970 +0000
  | | | | |    summary:     (6) merge two known; one immediate left, one far left
  | | | | |
  | | | o |    changeset:   5:4409d547b708
  | | | |\ \   parent:      3:27eef8ed80b4
  | | | | | |  parent:      4:26a8bac39d9f
  | | | | | |  user:        test
  | | | | | |  date:        Thu Jan 01 00:00:05 1970 +0000
  | | | | | |  summary:     (5) expand
  | | | | | |
  | +---o | |  changeset:   4:26a8bac39d9f
  | | | |/ /   parent:      1:6db2ef61d156
  | | | | |    parent:      3:27eef8ed80b4
  | | | | |    user:        test
  | | | | |    date:        Thu Jan 01 00:00:04 1970 +0000
  | | | | |    summary:     (4) merge two known; one immediate left, one immediate right
  | | | | |


Empty revision range - display nothing:
  $ hg glog -r 1..0

  $ cd ..

#if no-outer-repo

From outer space:
  $ hg glog -l1 repo
  @  changeset:   34:fea3ac5810e0
  |  tag:         tip
  |  parent:      32:d06dffa21a31
  |  user:        test
  |  date:        Thu Jan 01 00:00:34 1970 +0000
  |  summary:     (34) head
  |
  $ hg glog -l1 repo/a
  @  changeset:   34:fea3ac5810e0
  |  tag:         tip
  |  parent:      32:d06dffa21a31
  |  user:        test
  |  date:        Thu Jan 01 00:00:34 1970 +0000
  |  summary:     (34) head
  |
  $ hg glog -l1 repo/missing

#endif

File log with revs != cset revs:
  $ hg init flog
  $ cd flog
  $ echo one >one
  $ hg add one
  $ hg commit -mone
  $ echo two >two
  $ hg add two
  $ hg commit -mtwo
  $ echo more >two
  $ hg commit -mmore
  $ hg glog two
  @  changeset:   2:12c28321755b
  |  tag:         tip
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     more
  |
  o  changeset:   1:5ac72c0599bf
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     two
  |

Issue1896: File log with explicit style
  $ hg glog --style=default one
  o  changeset:   0:3d578b4a1f53
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     one
  
Issue2395: glog --style header and footer
  $ hg glog --style=xml one
  <?xml version="1.0"?>
  <log>
  o  <logentry revision="0" node="3d578b4a1f537d5fcf7301bfa9c0b97adfaa6fb1">
     <author email="test">test</author>
     <date>1970-01-01T00:00:00+00:00</date>
     <msg xml:space="preserve">one</msg>
     </logentry>
  </log>

  $ cd ..

Incoming and outgoing:

  $ hg clone -U -r31 repo repo2
  adding changesets
  adding manifests
  adding file changes
  added 31 changesets with 31 changes to 1 files
  $ cd repo2

  $ hg incoming --graph ../repo
  comparing with ../repo
  searching for changes
  o  changeset:   34:fea3ac5810e0
  |  tag:         tip
  |  parent:      32:d06dffa21a31
  |  user:        test
  |  date:        Thu Jan 01 00:00:34 1970 +0000
  |  summary:     (34) head
  |
  | o  changeset:   33:68608f5145f9
  |    parent:      18:1aa84d96232a
  |    user:        test
  |    date:        Thu Jan 01 00:00:33 1970 +0000
  |    summary:     (33) head
  |
  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:   27:886ed638191b
     parent:      21:d42a756af44d
     user:        test
     date:        Thu Jan 01 00:00:27 1970 +0000
     summary:     (27) collapse
  
  $ cd ..

  $ hg -R repo outgoing --graph repo2
  comparing with repo2
  searching for changes
  @  changeset:   34:fea3ac5810e0
  |  tag:         tip
  |  parent:      32:d06dffa21a31
  |  user:        test
  |  date:        Thu Jan 01 00:00:34 1970 +0000
  |  summary:     (34) head
  |
  | o  changeset:   33:68608f5145f9
  |    parent:      18:1aa84d96232a
  |    user:        test
  |    date:        Thu Jan 01 00:00:33 1970 +0000
  |    summary:     (33) head
  |
  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:   27:886ed638191b
     parent:      21:d42a756af44d
     user:        test
     date:        Thu Jan 01 00:00:27 1970 +0000
     summary:     (27) collapse
  

File + limit with revs != cset revs:
  $ cd repo
  $ touch b
  $ hg ci -Aqm0
  $ hg glog -l2 a
  o  changeset:   34:fea3ac5810e0
  |  parent:      32:d06dffa21a31
  |  user:        test
  |  date:        Thu Jan 01 00:00:34 1970 +0000
  |  summary:     (34) head
  |
  | o  changeset:   33:68608f5145f9
  | |  parent:      18:1aa84d96232a
  | |  user:        test
  | |  date:        Thu Jan 01 00:00:33 1970 +0000
  | |  summary:     (33) head
  | |

File + limit + -ra:b, (b - a) < limit:
  $ hg glog -l3000 -r32:tip a
  o  changeset:   34:fea3ac5810e0
  |  parent:      32:d06dffa21a31
  |  user:        test
  |  date:        Thu Jan 01 00:00:34 1970 +0000
  |  summary:     (34) head
  |
  | o  changeset:   33:68608f5145f9
  | |  parent:      18:1aa84d96232a
  | |  user:        test
  | |  date:        Thu Jan 01 00:00:33 1970 +0000
  | |  summary:     (33) head
  | |
  o |    changeset:   32:d06dffa21a31
  |\ \   parent:      27:886ed638191b
  | | |  parent:      31:621d83e11f67
  | | |  user:        test
  | | |  date:        Thu Jan 01 00:00:32 1970 +0000
  | | |  summary:     (32) expand
  | | |

Point out a common and an uncommon unshown parent

  $ hg glog -r 'rev(8) or rev(9)'
  o    changeset:   9:7010c0af0a35
  |\   parent:      7:b632bb1b1224
  | |  parent:      8:7a0b11f71937
  | |  user:        test
  | |  date:        Thu Jan 01 00:00:09 1970 +0000
  | |  summary:     (9) expand
  | |
  o |  changeset:   8:7a0b11f71937
  |\|  parent:      0:e6eb3150255d
  | |  parent:      7:b632bb1b1224
  | |  user:        test
  | |  date:        Thu Jan 01 00:00:08 1970 +0000
  | |  summary:     (8) merge two known; one immediate left, one far right
  | |

File + limit + -ra:b, b < tip:

  $ hg glog -l1 -r32:34 a
  o  changeset:   34:fea3ac5810e0
  |  parent:      32:d06dffa21a31
  |  user:        test
  |  date:        Thu Jan 01 00:00:34 1970 +0000
  |  summary:     (34) head
  |

file(File) + limit + -ra:b, b < tip:

  $ hg glog -l1 -r32:34 -r 'file("a")'
  o  changeset:   34:fea3ac5810e0
  |  parent:      32:d06dffa21a31
  |  user:        test
  |  date:        Thu Jan 01 00:00:34 1970 +0000
  |  summary:     (34) head
  |

limit(file(File) and a::b), b < tip:

  $ hg glog -r 'limit(file("a") and 32::34, 1)'
  o    changeset:   32:d06dffa21a31
  |\   parent:      27:886ed638191b
  | |  parent:      31:621d83e11f67
  | |  user:        test
  | |  date:        Thu Jan 01 00:00:32 1970 +0000
  | |  summary:     (32) expand
  | |

File + limit + -ra:b, b < tip:

  $ hg glog -r 'limit(file("a") and 34::32, 1)'

File + limit + -ra:b, b < tip, (b - a) < limit:

  $ hg glog -l10 -r33:34 a
  o  changeset:   34:fea3ac5810e0
  |  parent:      32:d06dffa21a31
  |  user:        test
  |  date:        Thu Jan 01 00:00:34 1970 +0000
  |  summary:     (34) head
  |
  | o  changeset:   33:68608f5145f9
  | |  parent:      18:1aa84d96232a
  | |  user:        test
  | |  date:        Thu Jan 01 00:00:33 1970 +0000
  | |  summary:     (33) head
  | |

Do not crash or produce strange graphs if history is buggy

  $ hg branch branch
  marked working directory as branch branch
  (branches are permanent and global, did you want a bookmark?)
  $ commit 36 "buggy merge: identical parents" 35 35
  $ hg glog -l5
  @  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:   35:9159c3644c5e
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     0
  |
  o  changeset:   34:fea3ac5810e0
  |  parent:      32:d06dffa21a31
  |  user:        test
  |  date:        Thu Jan 01 00:00:34 1970 +0000
  |  summary:     (34) head
  |
  | o  changeset:   33:68608f5145f9
  | |  parent:      18:1aa84d96232a
  | |  user:        test
  | |  date:        Thu Jan 01 00:00:33 1970 +0000
  | |  summary:     (33) head
  | |
  o |    changeset:   32:d06dffa21a31
  |\ \   parent:      27:886ed638191b
  | | |  parent:      31:621d83e11f67
  | | |  user:        test
  | | |  date:        Thu Jan 01 00:00:32 1970 +0000
  | | |  summary:     (32) expand
  | | |

Test log -G options

  $ testlog() {
  >   hg log -G --print-revset "$@"
  >   hg log --template 'nodetag {rev}\n' "$@" | grep nodetag \
  >     | sed 's/.*nodetag/nodetag/' > log.nodes
  >   hg log -G --template 'nodetag {rev}\n' "$@" | grep nodetag \
  >     | sed 's/.*nodetag/nodetag/' > glog.nodes
  >   diff -u log.nodes glog.nodes | grep '^[-+@ ]' || :
  > }

glog always reorders nodes which explains the difference with log

  $ testlog -r 27 -r 25 -r 21 -r 34 -r 32 -r 31
  ['27', '25', '21', '34', '32', '31']
  []
  --- log.nodes	* (glob)
  +++ glog.nodes	* (glob)
  @@ -1,6 +1,6 @@
  -nodetag 27
  -nodetag 25
  -nodetag 21
   nodetag 34
   nodetag 32
   nodetag 31
  +nodetag 27
  +nodetag 25
  +nodetag 21
  $ testlog -u test -u not-a-user
  []
  (group
    (group
      (or
        (func
          ('symbol', 'user')
          ('string', 'test'))
        (func
          ('symbol', 'user')
          ('string', 'not-a-user')))))
  $ testlog -b not-a-branch
  abort: unknown revision 'not-a-branch'!
  abort: unknown revision 'not-a-branch'!
  abort: unknown revision 'not-a-branch'!
  $ testlog -b 35 -b 36 --only-branch branch
  []
  (group
    (group
      (or
        (or
          (func
            ('symbol', 'branch')
            ('string', 'default'))
          (func
            ('symbol', 'branch')
            ('string', 'branch')))
        (func
          ('symbol', 'branch')
          ('string', 'branch')))))
  $ testlog -k expand -k merge
  []
  (group
    (group
      (or
        (func
          ('symbol', 'keyword')
          ('string', 'expand'))
        (func
          ('symbol', 'keyword')
          ('string', 'merge')))))
  $ testlog --only-merges
  []
  (group
    (func
      ('symbol', 'merge')
      None))
  $ testlog --no-merges
  []
  (group
    (not
      (func
        ('symbol', 'merge')
        None)))
  $ testlog --date '2 0 to 4 0'
  []
  (group
    (func
      ('symbol', 'date')
      ('string', '2 0 to 4 0')))
  $ hg log -G -d 'brace ) in a date'
  abort: invalid date: 'brace ) in a date'
  [255]
  $ testlog --prune 31 --prune 32
  []
  (group
    (group
      (and
        (not
          (group
            (or
              ('string', '31')
              (func
                ('symbol', 'ancestors')
                ('string', '31')))))
        (not
          (group
            (or
              ('string', '32')
              (func
                ('symbol', 'ancestors')
                ('string', '32'))))))))

Dedicated repo for --follow and paths filtering. The g is crafted to
have 2 filelog topological heads in a linear changeset graph.

  $ cd ..
  $ hg init follow
  $ cd follow
  $ testlog --follow
  []
  []
  abort: unknown revision '0'!
  $ echo a > a
  $ echo aa > aa
  $ echo f > f
  $ hg ci -Am "add a" a aa f
  $ hg cp a b
  $ hg cp f g
  $ hg ci -m "copy a b"
  $ mkdir dir
  $ hg mv b dir
  $ echo g >> g
  $ echo f >> f
  $ hg ci -m "mv b dir/b"
  $ hg mv a b
  $ hg cp -f f g
  $ echo a > d
  $ hg add d
  $ hg ci -m "mv a b; add d"
  $ hg mv dir/b e
  $ hg ci -m "mv dir/b e"
  $ hg glog --template '({rev}) {desc|firstline}\n'
  @  (4) mv dir/b e
  |
  o  (3) mv a b; add d
  |
  o  (2) mv b dir/b
  |
  o  (1) copy a b
  |
  o  (0) add a
  

  $ testlog a
  []
  (group
    (group
      (func
        ('symbol', 'filelog')
        ('string', 'a'))))
  $ testlog a b
  []
  (group
    (group
      (or
        (func
          ('symbol', 'filelog')
          ('string', 'a'))
        (func
          ('symbol', 'filelog')
          ('string', 'b')))))

Test falling back to slow path for non-existing files

  $ testlog a c
  []
  (group
    (func
      ('symbol', '_matchfiles')
      (list
        (list
          (list
            ('string', 'r:')
            ('string', 'd:relpath'))
          ('string', 'p:a'))
        ('string', 'p:c'))))

Test multiple --include/--exclude/paths

  $ testlog --include a --include e --exclude b --exclude e a e
  []
  (group
    (func
      ('symbol', '_matchfiles')
      (list
        (list
          (list
            (list
              (list
                (list
                  (list
                    ('string', 'r:')
                    ('string', 'd:relpath'))
                  ('string', 'p:a'))
                ('string', 'p:e'))
              ('string', 'i:a'))
            ('string', 'i:e'))
          ('string', 'x:b'))
        ('string', 'x:e'))))

Test glob expansion of pats

  $ expandglobs=`python -c "import mercurial.util; \
  >   print mercurial.util.expandglobs and 'true' or 'false'"`
  $ if [ $expandglobs = "true" ]; then
  >    testlog 'a*';
  > else
  >    testlog a*;
  > fi;
  []
  (group
    (group
      (func
        ('symbol', 'filelog')
        ('string', 'aa'))))

Test --follow on a directory

  $ testlog -f dir
  abort: cannot follow file not in parent revision: "dir"
  abort: cannot follow file not in parent revision: "dir"
  abort: cannot follow file not in parent revision: "dir"

Test --follow on file not in parent revision

  $ testlog -f a
  abort: cannot follow file not in parent revision: "a"
  abort: cannot follow file not in parent revision: "a"
  abort: cannot follow file not in parent revision: "a"

Test --follow and patterns

  $ testlog -f 'glob:*'
  abort: can only follow copies/renames for explicit filenames
  abort: can only follow copies/renames for explicit filenames
  abort: can only follow copies/renames for explicit filenames

Test --follow on a single rename

  $ hg up -q 2
  $ testlog -f a
  []
  (group
    (group
      (func
        ('symbol', 'follow')
        ('string', 'a'))))

Test --follow and multiple renames

  $ hg up -q tip
  $ testlog -f e
  []
  (group
    (group
      (func
        ('symbol', 'follow')
        ('string', 'e'))))

Test --follow and multiple filelog heads

  $ hg up -q 2
  $ testlog -f g
  []
  (group
    (group
      (func
        ('symbol', 'follow')
        ('string', 'g'))))
  $ cat log.nodes
  nodetag 2
  nodetag 1
  nodetag 0
  $ hg up -q tip
  $ testlog -f g
  []
  (group
    (group
      (func
        ('symbol', 'follow')
        ('string', 'g'))))
  $ cat log.nodes
  nodetag 3
  nodetag 2
  nodetag 0

Test --follow and multiple files

  $ testlog -f g e
  []
  (group
    (group
      (or
        (func
          ('symbol', 'follow')
          ('string', 'g'))
        (func
          ('symbol', 'follow')
          ('string', 'e')))))
  $ cat log.nodes
  nodetag 4
  nodetag 3
  nodetag 2
  nodetag 1
  nodetag 0

Test --follow-first

  $ hg up -q 3
  $ echo ee > e
  $ hg ci -Am "add another e" e
  created new head
  $ hg merge --tool internal:other 4
  0 files updated, 1 files merged, 1 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  $ echo merge > e
  $ hg ci -m "merge 5 and 4"
  $ testlog --follow-first
  []
  (group
    (func
      ('symbol', '_firstancestors')
      ('symbol', '6')))

Cannot compare with log --follow-first FILE as it never worked

  $ hg log -G --print-revset --follow-first e
  []
  (group
    (group
      (func
        ('symbol', '_followfirst')
        ('string', 'e'))))
  $ hg log -G --follow-first e --template '{rev} {desc|firstline}\n'
  @    6 merge 5 and 4
  |\
  o |  5 add another e
  | |

Test --copies

  $ hg log -G --copies --template "{rev} {desc|firstline} \
  >   copies: {file_copies_switch}\n"
  @    6 merge 5 and 4   copies:
  |\
  | o  5 add another e   copies:
  | |
  o |  4 mv dir/b e   copies: e (dir/b)
  |/
  o  3 mv a b; add d   copies: b (a)g (f)
  |
  o  2 mv b dir/b   copies: dir/b (b)
  |
  o  1 copy a b   copies: b (a)g (f)
  |
  o  0 add a   copies:
  
Test "set:..." and parent revision

  $ hg up -q 4
  $ testlog "set:copied()"
  []
  (group
    (func
      ('symbol', '_matchfiles')
      (list
        (list
          ('string', 'r:')
          ('string', 'd:relpath'))
        ('string', 'p:set:copied()'))))
  $ testlog --include "set:copied()"
  []
  (group
    (func
      ('symbol', '_matchfiles')
      (list
        (list
          ('string', 'r:')
          ('string', 'd:relpath'))
        ('string', 'i:set:copied()'))))
  $ testlog -r "sort(file('set:copied()'), -rev)"
  ["sort(file('set:copied()'), -rev)"]
  []

Test --removed

  $ testlog --removed
  []
  []
  $ testlog --removed a
  []
  (group
    (func
      ('symbol', '_matchfiles')
      (list
        (list
          ('string', 'r:')
          ('string', 'd:relpath'))
        ('string', 'p:a'))))
  $ testlog --removed --follow a
  abort: can only follow copies/renames for explicit filenames
  abort: can only follow copies/renames for explicit filenames
  abort: can only follow copies/renames for explicit filenames

Test --patch and --stat with --follow and --follow-first

  $ hg up -q 3
  $ hg log -G --git --patch b
  o  changeset:   1:216d4c92cf98
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     copy a b
  |
  |  diff --git a/a b/b
  |  copy from a
  |  copy to b
  |

  $ hg log -G --git --stat b
  o  changeset:   1:216d4c92cf98
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     copy a b
  |
  |   a |  0
  |   1 files changed, 0 insertions(+), 0 deletions(-)
  |

  $ hg log -G --git --patch --follow b
  o  changeset:   1:216d4c92cf98
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     copy a b
  |
  |  diff --git a/a b/b
  |  copy from a
  |  copy to b
  |
  o  changeset:   0:f8035bb17114
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     add a
  
     diff --git a/a b/a
     new file mode 100644
     --- /dev/null
     +++ b/a
     @@ -0,0 +1,1 @@
     +a
  

  $ hg log -G --git --stat --follow b
  o  changeset:   1:216d4c92cf98
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     copy a b
  |
  |   a |  0
  |   1 files changed, 0 insertions(+), 0 deletions(-)
  |
  o  changeset:   0:f8035bb17114
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     add a
  
      a |  1 +
      1 files changed, 1 insertions(+), 0 deletions(-)
  

  $ hg up -q 6
  $ hg log -G --git --patch --follow-first e
  @    changeset:   6:fc281d8ff18d
  |\   tag:         tip
  | |  parent:      5:99b31f1c2782
  | |  parent:      4:17d952250a9d
  | |  user:        test
  | |  date:        Thu Jan 01 00:00:00 1970 +0000
  | |  summary:     merge 5 and 4
  | |
  | |  diff --git a/e b/e
  | |  --- a/e
  | |  +++ b/e
  | |  @@ -1,1 +1,1 @@
  | |  -ee
  | |  +merge
  | |
  o |  changeset:   5:99b31f1c2782
  | |  parent:      3:5918b8d165d1
  | |  user:        test
  | |  date:        Thu Jan 01 00:00:00 1970 +0000
  | |  summary:     add another e
  | |
  | |  diff --git a/e b/e
  | |  new file mode 100644
  | |  --- /dev/null
  | |  +++ b/e
  | |  @@ -0,0 +1,1 @@
  | |  +ee
  | |

Test old-style --rev

  $ hg tag 'foo-bar'
  $ testlog -r 'foo-bar'
  ['foo-bar']
  []

Test --follow and forward --rev

  $ hg up -q 6
  $ echo g > g
  $ hg ci -Am 'add g' g
  created new head
  $ hg up -q 2
  $ hg log -G --template "{rev} {desc|firstline}\n"
  o  8 add g
  |
  | o  7 Added tag foo-bar for changeset fc281d8ff18d
  |/
  o    6 merge 5 and 4
  |\
  | o  5 add another e
  | |
  o |  4 mv dir/b e
  |/
  o  3 mv a b; add d
  |
  @  2 mv b dir/b
  |
  o  1 copy a b
  |
  o  0 add a
  
  $ testlog --follow -r6 -r8 -r5 -r7 -r4
  ['6', '8', '5', '7', '4']
  (group
    (func
      ('symbol', 'descendants')
      ('symbol', '6')))
  --- log.nodes	* (glob)
  +++ glog.nodes	* (glob)
  @@ -1,3 +1,3 @@
  -nodetag 6
   nodetag 8
   nodetag 7
  +nodetag 6

Test --follow-first and forward --rev

  $ testlog --follow-first -r6 -r8 -r5 -r7 -r4
  ['6', '8', '5', '7', '4']
  (group
    (func
      ('symbol', '_firstdescendants')
      ('symbol', '6')))
  --- log.nodes	* (glob)
  +++ glog.nodes	* (glob)
  @@ -1,3 +1,3 @@
  -nodetag 6
   nodetag 8
   nodetag 7
  +nodetag 6

Test --follow and backward --rev

  $ testlog --follow -r6 -r5 -r7 -r8 -r4
  ['6', '5', '7', '8', '4']
  (group
    (func
      ('symbol', 'ancestors')
      ('symbol', '6')))

Test --follow-first and backward --rev

  $ testlog --follow-first -r6 -r5 -r7 -r8 -r4
  ['6', '5', '7', '8', '4']
  (group
    (func
      ('symbol', '_firstancestors')
      ('symbol', '6')))

Test subdir

  $ hg up -q 3
  $ cd dir
  $ testlog .
  []
  (group
    (func
      ('symbol', '_matchfiles')
      (list
        (list
          ('string', 'r:')
          ('string', 'd:relpath'))
        ('string', 'p:.'))))
  $ testlog ../b
  []
  (group
    (group
      (func
        ('symbol', 'filelog')
        ('string', '../b'))))
  $ testlog -f ../b
  []
  (group
    (group
      (func
        ('symbol', 'follow')
        ('string', 'b'))))
  $ cd ..

Test --hidden
 (enable obsolete)

  $ cat > ${TESTTMP}/obs.py << EOF
  > import mercurial.obsolete
  > mercurial.obsolete._enabled = True
  > EOF
  $ echo '[extensions]' >> $HGRCPATH
  $ echo "obs=${TESTTMP}/obs.py" >> $HGRCPATH

  $ hg debugobsolete `hg id --debug -i -r 8`
  $ testlog
  []
  []
  $ testlog --hidden
  []
  []
  $ hg glog --template '{rev} {desc}\n'
  o  7 Added tag foo-bar for changeset fc281d8ff18d
  |
  o    6 merge 5 and 4
  |\
  | o  5 add another e
  | |
  o |  4 mv dir/b e
  |/
  @  3 mv a b; add d
  |
  o  2 mv b dir/b
  |
  o  1 copy a b
  |
  o  0 add a
  

A template without trailing newline should do something sane

  $ hg glog -r ::2 --template '{rev} {desc}'
  o  2 mv b dir/b
  |
  o  1 copy a b
  |
  o  0 add a
  

Extra newlines must be preserved

  $ hg glog -r ::2 --template '\n{rev} {desc}\n\n'
  o
  |  2 mv b dir/b
  |
  o
  |  1 copy a b
  |
  o
     0 add a
  

The almost-empty template should do something sane too ...

  $ hg glog -r ::2 --template '\n'
  o
  |
  o
  |
  o
  

issue3772

  $ hg glog -r :null
  o  changeset:   -1:000000000000
     user:
     date:        Thu Jan 01 00:00:00 1970 +0000
  
  $ hg glog -r null:null
  o  changeset:   -1:000000000000
     user:
     date:        Thu Jan 01 00:00:00 1970 +0000
  

  $ cd ..