Set up a repo

  $ echo "[ui]" >> $HGRCPATH

  $ echo "interactive=true" >> $HGRCPATH

  $ echo "[extensions]" >> $HGRCPATH

  $ echo "record=" >> $HGRCPATH

  $ hg init a

  $ cd a

Select no files

  $ touch empty-rw

  $ hg add empty-rw

  $ hg record empty-rw<<EOF

  > n

  > EOF

  diff --git a/empty-rw b/empty-rw

  new file mode 100644

  examine changes to 'empty-rw'? [Ynsfdaq?] 

  no changes to record

  $ hg tip -p

  changeset:   -1:000000000000

  tag:         tip

  user:        

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

Select files but no hunks

  $ hg record empty-rw<<EOF

  > y

  > n

  > EOF

  diff --git a/empty-rw b/empty-rw

  new file mode 100644

  examine changes to 'empty-rw'? [Ynsfdaq?] 

  abort: empty commit message

  [255]

  $ hg tip -p

  changeset:   -1:000000000000

  tag:         tip

  user:        

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

Record empty file

  $ hg record -d '0 0' -m empty empty-rw<<EOF

  > y

  > y

  > EOF

  diff --git a/empty-rw b/empty-rw

  new file mode 100644

  examine changes to 'empty-rw'? [Ynsfdaq?] 

  $ hg tip -p

  changeset:   0:c0708cf4e46e

  tag:         tip

  user:        test

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

  summary:     empty

Summary shows we updated to the new cset

  $ hg summary

  parent: 0:c0708cf4e46e tip

   empty

  branch: default

  commit: (clean)

  update: (current)

Rename empty file

  $ hg mv empty-rw empty-rename

  $ hg record -d '1 0' -m rename<<EOF

  > y

  > EOF

  diff --git a/empty-rw b/empty-rename

  rename from empty-rw

  rename to empty-rename

  examine changes to 'empty-rw' and 'empty-rename'? [Ynsfdaq?] 

  $ hg tip -p

  changeset:   1:d695e8dcb197

  tag:         tip

  user:        test

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

  summary:     rename

Copy empty file

  $ hg cp empty-rename empty-copy

  $ hg record -d '2 0' -m copy<<EOF

  > y

  > EOF

  diff --git a/empty-rename b/empty-copy

  copy from empty-rename

  copy to empty-copy

  examine changes to 'empty-rename' and 'empty-copy'? [Ynsfdaq?] 

  $ hg tip -p

  changeset:   2:1d4b90bea524

  tag:         tip

  user:        test

  date:        Thu Jan 01 00:00:02 1970 +0000

  summary:     copy

Delete empty file

  $ hg rm empty-copy

  $ hg record -d '3 0' -m delete<<EOF

  > y

  > EOF

  diff --git a/empty-copy b/empty-copy

  deleted file mode 100644

  examine changes to 'empty-copy'? [Ynsfdaq?] 

  $ hg tip -p

  changeset:   3:b39a238f01a1

  tag:         tip

  user:        test

  date:        Thu Jan 01 00:00:03 1970 +0000

  summary:     delete

Add binary file

  $ hg bundle --base -2 tip.bundle

  1 changesets found

  $ hg add tip.bundle

  $ hg record -d '4 0' -m binary<<EOF

  > y

  > EOF

  diff --git a/tip.bundle b/tip.bundle

  new file mode 100644

  this is a binary file

  examine changes to 'tip.bundle'? [Ynsfdaq?] 

  $ hg tip -p

  changeset:   4:ad816da3711e

  tag:         tip

  user:        test

  date:        Thu Jan 01 00:00:04 1970 +0000

  summary:     binary

  diff -r b39a238f01a1 -r ad816da3711e tip.bundle

  Binary file tip.bundle has changed

Change binary file

  $ hg bundle --base -2 tip.bundle

  1 changesets found

  $ hg record -d '5 0' -m binary-change<<EOF

  > y

  > EOF

  diff --git a/tip.bundle b/tip.bundle

  this modifies a binary file (all or nothing)

  examine changes to 'tip.bundle'? [Ynsfdaq?] 

  $ hg tip -p

  changeset:   5:dccd6f3eb485

  tag:         tip

  user:        test

  date:        Thu Jan 01 00:00:05 1970 +0000

  summary:     binary-change

  diff -r ad816da3711e -r dccd6f3eb485 tip.bundle

  Binary file tip.bundle has changed

Rename and change binary file

  $ hg mv tip.bundle top.bundle

  $ hg bundle --base -2 top.bundle

  1 changesets found

  $ hg record -d '6 0' -m binary-change-rename<<EOF

  > y

  > EOF

  diff --git a/tip.bundle b/top.bundle

  rename from tip.bundle

  rename to top.bundle

  this modifies a binary file (all or nothing)

  examine changes to 'tip.bundle' and 'top.bundle'? [Ynsfdaq?] 

  $ hg tip -p

  changeset:   6:7fa44105f5b3

  tag:         tip

  user:        test

  date:        Thu Jan 01 00:00:06 1970 +0000

  summary:     binary-change-rename

  diff -r dccd6f3eb485 -r 7fa44105f5b3 tip.bundle

  Binary file tip.bundle has changed

  diff -r dccd6f3eb485 -r 7fa44105f5b3 top.bundle

  Binary file top.bundle has changed

Add plain file

  $ for i in 1 2 3 4 5 6 7 8 9 10; do

  >     echo $i >> plain

  > done

  $ hg add plain

  $ hg record -d '7 0' -m plain plain<<EOF

  > y

  > y

  > EOF

  diff --git a/plain b/plain

  new file mode 100644

  examine changes to 'plain'? [Ynsfdaq?] 

  $ hg tip -p

  changeset:   7:11fb457c1be4

  tag:         tip

  user:        test

  date:        Thu Jan 01 00:00:07 1970 +0000

  summary:     plain

  diff -r 7fa44105f5b3 -r 11fb457c1be4 plain

  --- /dev/null	Thu Jan 01 00:00:00 1970 +0000

  +++ b/plain	Thu Jan 01 00:00:07 1970 +0000

  @@ -0,0 +1,10 @@

  +1

  +2

  +3

  +4

  +5

  +6

  +7

  +8

  +9

  +10

Modify end of plain file

  $ echo 11 >> plain

  $ hg record -d '8 0' -m end plain <<EOF

  > y

  > y

  > EOF

  diff --git a/plain b/plain

  1 hunks, 1 lines changed

  examine changes to 'plain'? [Ynsfdaq?] 

  @@ -8,3 +8,4 @@

   8

   9

   10

  +11

  record this change to 'plain'? [Ynsfdaq?] 

Modify end of plain file, no EOL

  $ hg tip --template '{node}' >> plain

  $ hg record -d '9 0' -m noeol plain <<EOF

  > y

  > y

  > EOF

  diff --git a/plain b/plain

  1 hunks, 1 lines changed

  examine changes to 'plain'? [Ynsfdaq?] 

  @@ -9,3 +9,4 @@

   9

   10

   11

  +7264f99c5f5ff3261504828afa4fb4d406c3af54

  \ No newline at end of file

  record this change to 'plain'? [Ynsfdaq?] 

Modify end of plain file, add EOL

  $ echo >> plain

  $ hg record -d '10 0' -m eol plain <<EOF

  > y

  > y

  > y

  > EOF

  diff --git a/plain b/plain

  1 hunks, 1 lines changed

  examine changes to 'plain'? [Ynsfdaq?] 

  @@ -9,4 +9,4 @@

   9

   10

   11

  -7264f99c5f5ff3261504828afa4fb4d406c3af54

  \ No newline at end of file

  +7264f99c5f5ff3261504828afa4fb4d406c3af54

  record this change to 'plain'? [Ynsfdaq?] 

Modify beginning, trim end, record both

  $ rm plain

  $ for i in 2 2 3 4 5 6 7 8 9 10; do

  >   echo $i >> plain

  > done

  $ hg record -d '10 0' -m begin-and-end plain <<EOF

  > y

  > y

  > y

  > EOF

  diff --git a/plain b/plain

  2 hunks, 3 lines changed

  examine changes to 'plain'? [Ynsfdaq?] 

  @@ -1,4 +1,4 @@

  -1

  +2

   2

   3

   4

  record change 1/2 to 'plain'? [Ynsfdaq?] 

  @@ -8,5 +8,3 @@

   8

   9

   10

  -11

  -7264f99c5f5ff3261504828afa4fb4d406c3af54

  record change 2/2 to 'plain'? [Ynsfdaq?] 

  $ hg tip -p

  changeset:   11:efca65c9b09e

  tag:         tip

  user:        test

  date:        Thu Jan 01 00:00:10 1970 +0000

  summary:     begin-and-end

  diff -r cd07d48e8cbe -r efca65c9b09e plain

  --- a/plain	Thu Jan 01 00:00:10 1970 +0000

  +++ b/plain	Thu Jan 01 00:00:10 1970 +0000

  @@ -1,4 +1,4 @@

  -1

  +2

   2

   3

   4

  @@ -8,5 +8,3 @@

   8

   9

   10

  -11

  -7264f99c5f5ff3261504828afa4fb4d406c3af54

Trim beginning, modify end

  $ rm plain

  > for i in 4 5 6 7 8 9 10.new; do

  >   echo $i >> plain

  > done

Record end

  $ hg record -d '11 0' -m end-only plain <<EOF

  > y

  > n

  > y

  > EOF

  diff --git a/plain b/plain

  2 hunks, 4 lines changed

  examine changes to 'plain'? [Ynsfdaq?] 

  @@ -1,9 +1,6 @@

  -2

  -2

  -3

   4

   5

   6

   7