$ HGMERGE=true; export HGMERGE

init

  $ hg init repo

  $ cd repo

commit

  $ echo 'a' > a

  $ hg ci -A -m test -u nobody -d '1 0'

  adding a

annotate -c

  $ hg annotate -c a

  8435f90966e4: a

annotate -cl

  $ hg annotate -cl a

  8435f90966e4:1: a

annotate -d

  $ hg annotate -d a

  Thu Jan 01 00:00:01 1970 +0000: a

annotate -n

  $ hg annotate -n a

  0: a

annotate -nl

  $ hg annotate -nl a

  0:1: a

annotate -u

  $ hg annotate -u a

  nobody: a

annotate -cdnu

  $ hg annotate -cdnu a

  nobody 0 8435f90966e4 Thu Jan 01 00:00:01 1970 +0000: a

annotate -cdnul

  $ hg annotate -cdnul a

  nobody 0 8435f90966e4 Thu Jan 01 00:00:01 1970 +0000:1: a

annotate (JSON)

  $ hg annotate -Tjson a

  [

   {

    "line": "a\n",

    "rev": 0

   }

  ]

  $ hg annotate -Tjson -cdfnul a

  [

   {

    "date": [1.0, 0],

    "file": "a",

    "line": "a\n",

    "line_number": 1,

    "node": "8435f90966e442695d2ded29fdade2bac5ad8065",

    "rev": 0,

    "user": "nobody"

   }

  ]

  $ cat <<EOF >>a

  > a

  > a

  > EOF

  $ hg ci -ma1 -d '1 0'

  $ hg cp a b

  $ hg ci -mb -d '1 0'

  $ cat <<EOF >> b

  > b4

  > b5

  > b6

  > EOF

  $ hg ci -mb2 -d '2 0'

annotate -n b

  $ hg annotate -n b

  0: a

  1: a

  1: a

  3: b4

  3: b5

  3: b6

annotate --no-follow b

  $ hg annotate --no-follow b

  2: a

  2: a

  2: a

  3: b4

  3: b5

  3: b6

annotate -nl b

  $ hg annotate -nl b

  0:1: a

  1:2: a

  1:3: a

  3:4: b4

  3:5: b5

  3:6: b6

annotate -nf b

  $ hg annotate -nf b

  0 a: a

  1 a: a

  1 a: a

  3 b: b4

  3 b: b5

  3 b: b6

annotate -nlf b