tests/test-log.t

merge: suggest 'hg up -C .' for discarding changes, not 'hg up -C'

Without specifying the parent revision of the working copy, users will
update to tip, which is most likely the other head they were trying to
merge, not the revision they were at before the merge.

  $ hg init a

  $ cd a
  $ echo a > a
  $ hg ci -Ama -d '1 0'
  adding a

  $ hg cp a b
  $ hg ci -mb -d '2 0'

  $ mkdir dir
  $ hg mv b dir
  $ hg ci -mc -d '3 0'

  $ hg mv a b
  $ echo a > d
  $ hg add d
  $ hg ci -md -d '4 0'

  $ hg mv dir/b e
  $ hg ci -me -d '5 0'

  $ hg log a
  changeset:   0:8580ff50825a
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  summary:     a
  

-f, directory

  $ hg log -f dir
  abort: cannot follow nonexistent file: "dir"

-f, but no args

  $ hg log -f
  changeset:   4:66c1345dc4f9
  tag:         tip
  user:        test
  date:        Thu Jan 01 00:00:05 1970 +0000
  summary:     e
  
  changeset:   3:7c6c671bb7cc
  user:        test
  date:        Thu Jan 01 00:00:04 1970 +0000
  summary:     d
  
  changeset:   2:41dd4284081e
  user:        test
  date:        Thu Jan 01 00:00:03 1970 +0000
  summary:     c
  
  changeset:   1:784de7cef101
  user:        test
  date:        Thu Jan 01 00:00:02 1970 +0000
  summary:     b
  
  changeset:   0:8580ff50825a
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  summary:     a
  

one rename

  $ hg log -vf a
  changeset:   0:8580ff50825a
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  files:       a
  description:
  a
  
  

many renames

  $ hg log -vf e
  changeset:   4:66c1345dc4f9
  tag:         tip
  user:        test
  date:        Thu Jan 01 00:00:05 1970 +0000
  files:       dir/b e
  description:
  e
  
  
  changeset:   2:41dd4284081e
  user:        test
  date:        Thu Jan 01 00:00:03 1970 +0000
  files:       b dir/b
  description:
  c
  
  
  changeset:   1:784de7cef101
  user:        test
  date:        Thu Jan 01 00:00:02 1970 +0000
  files:       b
  description:
  b
  
  
  changeset:   0:8580ff50825a
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  files:       a
  description:
  a
  
  


log -pf dir/b

  $ hg log -pf dir/b
  changeset:   2:41dd4284081e
  user:        test
  date:        Thu Jan 01 00:00:03 1970 +0000
  summary:     c
  
  diff -r 784de7cef101 -r 41dd4284081e dir/b
  --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
  +++ b/dir/b	Thu Jan 01 00:00:03 1970 +0000
  @@ -0,0 +1,1 @@
  +a
  
  changeset:   1:784de7cef101
  user:        test
  date:        Thu Jan 01 00:00:02 1970 +0000
  summary:     b
  
  diff -r 8580ff50825a -r 784de7cef101 b
  --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
  +++ b/b	Thu Jan 01 00:00:02 1970 +0000
  @@ -0,0 +1,1 @@
  +a
  
  changeset:   0:8580ff50825a
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  summary:     a
  
  diff -r 000000000000 -r 8580ff50825a a
  --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
  +++ b/a	Thu Jan 01 00:00:01 1970 +0000
  @@ -0,0 +1,1 @@
  +a
  

log -vf dir/b

  $ hg log -vf dir/b
  changeset:   2:41dd4284081e
  user:        test
  date:        Thu Jan 01 00:00:03 1970 +0000
  files:       b dir/b
  description:
  c
  
  
  changeset:   1:784de7cef101
  user:        test
  date:        Thu Jan 01 00:00:02 1970 +0000
  files:       b
  description:
  b
  
  
  changeset:   0:8580ff50825a
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  files:       a
  description:
  a
  
  


log copies with --copies

  $ hg log -vC --template '{rev} {file_copies}\n'
  4 e (dir/b)
  3 b (a)
  2 dir/b (b)
  1 b (a)
  0 

log copies switch without --copies, with old filecopy template

  $ hg log -v --template '{rev} {file_copies_switch%filecopy}\n'
  4 
  3 
  2 
  1 
  0 

log copies switch with --copies

  $ hg log -vC --template '{rev} {file_copies_switch}\n'
  4 e (dir/b)
  3 b (a)
  2 dir/b (b)
  1 b (a)
  0 


log copies with hardcoded style and with --style=default

  $ hg log -vC -r4
  changeset:   4:66c1345dc4f9
  tag:         tip
  user:        test
  date:        Thu Jan 01 00:00:05 1970 +0000
  files:       dir/b e
  copies:      e (dir/b)
  description:
  e
  
  
  $ hg log -vC -r4 --style=default
  changeset:   4:66c1345dc4f9
  tag:         tip
  user:        test
  date:        Thu Jan 01 00:00:05 1970 +0000
  files:       dir/b e
  copies:      e (dir/b)
  description:
  e
  
  


log copies, non-linear manifest

  $ hg up -C 3
  1 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ hg mv dir/b e
  $ echo foo > foo
  $ hg ci -Ame2 -d '6 0'
  adding foo
  created new head
  $ hg log -v --template '{rev} {file_copies}\n' -r 5
  5 e (dir/b)


log copies, execute bit set

  $ chmod +x e
  $ hg ci -me3 -d '7 0'
  $ hg log -v --template '{rev} {file_copies}\n' -r 6
  6 


log -p d

  $ hg log -pv d
  changeset:   3:7c6c671bb7cc
  user:        test
  date:        Thu Jan 01 00:00:04 1970 +0000
  files:       a b d
  description:
  d
  
  
  diff -r 41dd4284081e -r 7c6c671bb7cc d
  --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
  +++ b/d	Thu Jan 01 00:00:04 1970 +0000
  @@ -0,0 +1,1 @@
  +a
  


log --removed file

  $ hg log --removed -v a
  changeset:   3:7c6c671bb7cc
  user:        test
  date:        Thu Jan 01 00:00:04 1970 +0000
  files:       a b d
  description:
  d
  
  
  changeset:   0:8580ff50825a
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  files:       a
  description:
  a
  
  

log --removed revrange file

  $ hg log --removed -v -r0:2 a
  changeset:   0:8580ff50825a
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  files:       a
  description:
  a
  
  


log --follow tests

  $ hg init ../follow
  $ cd ../follow

  $ echo base > base
  $ hg ci -Ambase -d '1 0'
  adding base

  $ echo r1 >> base
  $ hg ci -Amr1 -d '1 0'
  $ echo r2 >> base
  $ hg ci -Amr2 -d '1 0'

  $ hg up -C 1
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ echo b1 > b1
  $ hg ci -Amb1 -d '1 0'
  adding b1
  created new head


log -f

  $ hg log -f
  changeset:   3:e62f78d544b4
  tag:         tip
  parent:      1:3d5bf5654eda
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  summary:     b1
  
  changeset:   1:3d5bf5654eda
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  summary:     r1
  
  changeset:   0:67e992f2c4f3
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  summary:     base
  


log -f -r 1:tip

  $ hg up -C 0
  1 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ echo b2 > b2
  $ hg ci -Amb2 -d '1 0'
  adding b2
  created new head
  $ hg log -f -r 1:tip
  changeset:   1:3d5bf5654eda
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  summary:     r1
  
  changeset:   2:60c670bf5b30
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  summary:     r2
  
  changeset:   3:e62f78d544b4
  parent:      1:3d5bf5654eda
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  summary:     b1
  


log -r .  with two parents

  $ hg up -C 3
  2 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ hg merge tip
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  $ hg log -r .
  changeset:   3:e62f78d544b4
  parent:      1:3d5bf5654eda
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  summary:     b1
  


log -r .  with one parent

  $ hg ci -mm12 -d '1 0'
  $ hg log -r .
  changeset:   5:302e9dd6890d
  tag:         tip
  parent:      3:e62f78d544b4
  parent:      4:ddb82e70d1a1
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  summary:     m12
  

  $ echo postm >> b1
  $ hg ci -Amb1.1 -d'1 0'


log --follow-first

  $ hg log --follow-first
  changeset:   6:2404bbcab562
  tag:         tip
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  summary:     b1.1
  
  changeset:   5:302e9dd6890d
  parent:      3:e62f78d544b4
  parent:      4:ddb82e70d1a1
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  summary:     m12
  
  changeset:   3:e62f78d544b4
  parent:      1:3d5bf5654eda
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  summary:     b1
  
  changeset:   1:3d5bf5654eda
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  summary:     r1
  
  changeset:   0:67e992f2c4f3
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  summary:     base
  


log -P 2

  $ hg log -P 2
  changeset:   6:2404bbcab562
  tag:         tip
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  summary:     b1.1
  
  changeset:   5:302e9dd6890d
  parent:      3:e62f78d544b4
  parent:      4:ddb82e70d1a1
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  summary:     m12
  
  changeset:   4:ddb82e70d1a1
  parent:      0:67e992f2c4f3
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  summary:     b2
  
  changeset:   3:e62f78d544b4
  parent:      1:3d5bf5654eda
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  summary:     b1
  


log -r tip -p --git

  $ hg log -r tip -p --git
  changeset:   6:2404bbcab562
  tag:         tip
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  summary:     b1.1
  
  diff --git a/b1 b/b1
  --- a/b1
  +++ b/b1
  @@ -1,1 +1,2 @@
   b1
  +postm
  


log -r ""

  $ hg log -r ''
  hg: parse error: empty query

log -r <some unknown node id>

  $ hg log -r 1000000000000000000000000000000000000000
  abort: unknown revision '1000000000000000000000000000000000000000'!

log -k r1

  $ hg log -k r1
  changeset:   1:3d5bf5654eda
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  summary:     r1
  


log -d -1

  $ hg log -d -1


log -p -l2 --color=always

  $ hg --config extensions.color= --config color.mode=ansi \
  >  log -p -l2 --color=always
  changeset:   6:2404bbcab562
  tag:         tip
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  summary:     b1.1
  
  diff -r 302e9dd6890d -r 2404bbcab562 b1
  --- a/b1	Thu Jan 01 00:00:01 1970 +0000
  +++ b/b1	Thu Jan 01 00:00:01 1970 +0000
  @@ -1,1 +1,2 @@
   b1
  +postm
  
  changeset:   5:302e9dd6890d
  parent:      3:e62f78d544b4
  parent:      4:ddb82e70d1a1
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  summary:     m12
  
  diff -r e62f78d544b4 -r 302e9dd6890d b2
  --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
  +++ b/b2	Thu Jan 01 00:00:01 1970 +0000
  @@ -0,0 +1,1 @@
  +b2
  


log -r tip --stat

  $ hg log -r tip --stat
  changeset:   6:2404bbcab562
  tag:         tip
  user:        test
  date:        Thu Jan 01 00:00:01 1970 +0000
  summary:     b1.1
  
   b1 |  1 +
   1 files changed, 1 insertions(+), 0 deletions(-)
  

  $ cd ..

  $ hg init usertest
  $ cd usertest

  $ echo a > a
  $ hg ci -A -m "a" -u "User One <[e-mail]>"
  adding a
  $ echo b > b
  $ hg ci -A -m "b" -u "User Two <[e-mail]>"
  adding b

  $ hg log -u "User One <[e-mail]>"
  changeset:   0:29a4c94f1924
  user:        User One <[e-mail]>
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     a
  
  $ hg log -u "user1" -u "user2"
  changeset:   1:e834b5e69c0e
  tag:         tip
  user:        User Two <[e-mail]>
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     b
  
  changeset:   0:29a4c94f1924
  user:        User One <[e-mail]>
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     a
  
  $ hg log -u "user3"

  $ cd ..

  $ hg init branches
  $ cd branches

  $ echo a > a
  $ hg ci -A -m "commit on default"
  adding a
  $ hg branch test
  marked working directory as branch test
  $ echo b > b
  $ hg ci -A -m "commit on test"
  adding b

  $ hg up default
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ echo c > c
  $ hg ci -A -m "commit on default"
  adding c
  $ hg up test
  1 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ echo c > c
  $ hg ci -A -m "commit on test"
  adding c


log -b default

  $ hg log -b default
  changeset:   2:c3a4f03cc9a7
  parent:      0:24427303d56f
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     commit on default
  
  changeset:   0:24427303d56f
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     commit on default
  


log -b test

  $ hg log -b test
  changeset:   3:f5d8de11c2e2
  branch:      test
  tag:         tip
  parent:      1:d32277701ccb
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     commit on test
  
  changeset:   1:d32277701ccb
  branch:      test
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     commit on test
  


log -b dummy

  $ hg log -b dummy
  abort: unknown revision 'dummy'!


log -b .

  $ hg log -b .
  changeset:   3:f5d8de11c2e2
  branch:      test
  tag:         tip
  parent:      1:d32277701ccb
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     commit on test
  
  changeset:   1:d32277701ccb
  branch:      test
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     commit on test
  


log -b default -b test

  $ hg log -b default -b test
  changeset:   3:f5d8de11c2e2
  branch:      test
  tag:         tip
  parent:      1:d32277701ccb
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     commit on test
  
  changeset:   2:c3a4f03cc9a7
  parent:      0:24427303d56f
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     commit on default
  
  changeset:   1:d32277701ccb
  branch:      test
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     commit on test
  
  changeset:   0:24427303d56f
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     commit on default
  


log -b default -b .

  $ hg log -b default -b .
  changeset:   3:f5d8de11c2e2
  branch:      test
  tag:         tip
  parent:      1:d32277701ccb
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     commit on test
  
  changeset:   2:c3a4f03cc9a7
  parent:      0:24427303d56f
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     commit on default
  
  changeset:   1:d32277701ccb
  branch:      test
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     commit on test
  
  changeset:   0:24427303d56f
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     commit on default
  


log -b . -b test

  $ hg log -b . -b test
  changeset:   3:f5d8de11c2e2
  branch:      test
  tag:         tip
  parent:      1:d32277701ccb
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     commit on test
  
  changeset:   1:d32277701ccb
  branch:      test
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     commit on test
  


log -b 2

  $ hg log -b 2
  changeset:   2:c3a4f03cc9a7
  parent:      0:24427303d56f
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     commit on default
  
  changeset:   0:24427303d56f
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     commit on default
  


log -p --cwd dir (in subdir)

  $ mkdir dir
  $ hg log -p --cwd dir
  changeset:   3:f5d8de11c2e2
  branch:      test
  tag:         tip
  parent:      1:d32277701ccb
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     commit on test
  
  diff -r d32277701ccb -r f5d8de11c2e2 c
  --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
  +++ b/c	Thu Jan 01 00:00:00 1970 +0000
  @@ -0,0 +1,1 @@
  +c
  
  changeset:   2:c3a4f03cc9a7
  parent:      0:24427303d56f
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     commit on default
  
  diff -r 24427303d56f -r c3a4f03cc9a7 c
  --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
  +++ b/c	Thu Jan 01 00:00:00 1970 +0000
  @@ -0,0 +1,1 @@
  +c
  
  changeset:   1:d32277701ccb
  branch:      test
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     commit on test
  
  diff -r 24427303d56f -r d32277701ccb b
  --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
  +++ b/b	Thu Jan 01 00:00:00 1970 +0000
  @@ -0,0 +1,1 @@
  +b
  
  changeset:   0:24427303d56f
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     commit on default
  
  diff -r 000000000000 -r 24427303d56f a
  --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
  +++ b/a	Thu Jan 01 00:00:00 1970 +0000
  @@ -0,0 +1,1 @@
  +a
  


log -p -R repo

  $ cd dir
  $ hg log -p -R .. ../a
  changeset:   0:24427303d56f
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     commit on default
  
  diff -r 000000000000 -r 24427303d56f a
  --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
  +++ b/a	Thu Jan 01 00:00:00 1970 +0000
  @@ -0,0 +1,1 @@
  +a
  


  $ cd ..
  $ hg init follow2
  $ cd follow2


# Build the following history:
# tip - o - x - o - x - x
#    \                 /
#     o - o - o - x
#      \     /
#         o
#

# Where "o" is a revision containing "foo" and
# "x" is a revision without "foo"

  $ touch init
  $ hg ci -A -m "init, unrelated"
  adding init
  $ echo 'foo' > init
  $ hg ci -m "change, unrelated"
  $ echo 'foo' > foo
  $ hg ci -A -m "add unrelated old foo"
  adding foo
  $ hg rm foo
  $ hg ci -m "delete foo, unrelated"
  $ echo 'related' > foo
  $ hg ci -A -m "add foo, related"
  adding foo

  $ hg up 0
  1 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ touch branch
  $ hg ci -A -m "first branch, unrelated"
  adding branch
  created new head
  $ touch foo
  $ hg ci -A -m "create foo, related"
  adding foo
  $ echo 'change' > foo
  $ hg ci -m "change foo, related"

  $ hg up 6
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ echo 'change foo in branch' > foo
  $ hg ci -m "change foo in branch, related"
  created new head
  $ hg merge 7
  merging foo
  warning: conflicts during merge.
  merging foo failed!
  0 files updated, 0 files merged, 0 files removed, 1 files unresolved
  use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
  $ echo 'merge 1' > foo
  $ hg resolve -m foo
  $ hg ci -m "First merge, related"

  $ hg merge 4
  merging foo
  warning: conflicts during merge.
  merging foo failed!
  1 files updated, 0 files merged, 0 files removed, 1 files unresolved
  use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
  $ echo 'merge 2' > foo
  $ hg resolve -m foo
  $ hg ci -m "Last merge, related"

  $ hg --config "extensions.graphlog=" glog
  @    changeset:   10:4dae8563d2c5
  |\   tag:         tip
  | |  parent:      9:7b35701b003e
  | |  parent:      4:88176d361b69
  | |  user:        test
  | |  date:        Thu Jan 01 00:00:00 1970 +0000
  | |  summary:     Last merge, related
  | |
  | o    changeset:   9:7b35701b003e
  | |\   parent:      8:e5416ad8a855
  | | |  parent:      7:87fe3144dcfa
  | | |  user:        test
  | | |  date:        Thu Jan 01 00:00:00 1970 +0000
  | | |  summary:     First merge, related
  | | |
  | | o  changeset:   8:e5416ad8a855
  | | |  parent:      6:dc6c325fe5ee
  | | |  user:        test
  | | |  date:        Thu Jan 01 00:00:00 1970 +0000
  | | |  summary:     change foo in branch, related
  | | |
  | o |  changeset:   7:87fe3144dcfa
  | |/   user:        test
  | |    date:        Thu Jan 01 00:00:00 1970 +0000
  | |    summary:     change foo, related
  | |
  | o  changeset:   6:dc6c325fe5ee
  | |  user:        test
  | |  date:        Thu Jan 01 00:00:00 1970 +0000
  | |  summary:     create foo, related
  | |
  | o  changeset:   5:73db34516eb9
  | |  parent:      0:e87515fd044a
  | |  user:        test
  | |  date:        Thu Jan 01 00:00:00 1970 +0000
  | |  summary:     first branch, unrelated
  | |
  o |  changeset:   4:88176d361b69
  | |  user:        test
  | |  date:        Thu Jan 01 00:00:00 1970 +0000
  | |  summary:     add foo, related
  | |
  o |  changeset:   3:dd78ae4afb56
  | |  user:        test
  | |  date:        Thu Jan 01 00:00:00 1970 +0000
  | |  summary:     delete foo, unrelated
  | |
  o |  changeset:   2:c4c64aedf0f7
  | |  user:        test
  | |  date:        Thu Jan 01 00:00:00 1970 +0000
  | |  summary:     add unrelated old foo
  | |
  o |  changeset:   1:e5faa7440653
  |/   user:        test
  |    date:        Thu Jan 01 00:00:00 1970 +0000
  |    summary:     change, unrelated
  |
  o  changeset:   0:e87515fd044a
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     init, unrelated
  

  $ hg --traceback log -f foo
  changeset:   10:4dae8563d2c5
  tag:         tip
  parent:      9:7b35701b003e
  parent:      4:88176d361b69
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     Last merge, related
  
  changeset:   9:7b35701b003e
  parent:      8:e5416ad8a855
  parent:      7:87fe3144dcfa
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     First merge, related
  
  changeset:   8:e5416ad8a855
  parent:      6:dc6c325fe5ee
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     change foo in branch, related
  
  changeset:   7:87fe3144dcfa
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     change foo, related
  
  changeset:   6:dc6c325fe5ee
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     create foo, related
  
  changeset:   4:88176d361b69
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     add foo, related
  

  $ exit 0