$ echo "[extensions]" >> $HGRCPATH

  $ echo "largefiles =" >> $HGRCPATH

Create the repository outside $HOME since largefiles write to

$HOME/.cache/largefiles.

  $ hg init test

  $ cd test

  $ echo "root" > root

  $ hg add root

  $ hg commit -m "Root commit"

  $ echo "large" > foo

  $ hg add --large foo

  $ hg commit -m "Add foo as a largefile"

  $ hg update -r 0

  0 files updated, 0 files merged, 1 files removed, 0 files unresolved

  getting changed largefiles

  0 largefiles updated, 1 removed

  $ echo "normal" > foo

  $ hg add foo

  $ hg commit -m "Add foo as normal file"

  created new head

Normal file in the working copy, keeping the normal version:

  $ echo "n" | hg merge --config ui.interactive=Yes

  foo has been turned into a largefile

  use (l)argefile or keep as (n)ormal file? 0 files updated, 0 files merged, 1 files removed, 0 files unresolved

  (branch merge, don't forget to commit)

  $ hg status

  $ cat foo

  normal

Normal file in the working copy, keeping the largefile version:

  $ hg update -q -C

  $ echo "l" | hg merge --config ui.interactive=Yes

  foo has been turned into a largefile

  use (l)argefile or keep as (n)ormal file? 1 files updated, 0 files merged, 1 files removed, 0 files unresolved

  (branch merge, don't forget to commit)

  getting changed largefiles

  1 largefiles updated, 0 removed

  $ hg status

  M foo

  $ hg diff --nodates

  diff -r fa129ab6b5a7 .hglf/foo

  --- /dev/null

  +++ b/.hglf/foo

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

  +7f7097b041ccf68cc5561e9600da4655d21c6d18

  diff -r fa129ab6b5a7 foo

  --- a/foo

  +++ /dev/null

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

  -normal

  $ cat foo

  large

Largefile in the working copy, keeping the normal version:

  $ hg update -q -C -r 1

  $ echo "n" | hg merge --config ui.interactive=Yes

  foo has been turned into a normal file

  keep as (l)argefile or use (n)ormal file? 1 files updated, 0 files merged, 1 files removed, 0 files unresolved

  (branch merge, don't forget to commit)

  getting changed largefiles

  0 largefiles updated, 0 removed

  $ hg status

  M foo

  $ hg diff --nodates

  diff -r ff521236428a .hglf/foo

  --- a/.hglf/foo

  +++ /dev/null

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

  -7f7097b041ccf68cc5561e9600da4655d21c6d18

  diff -r ff521236428a foo

  --- /dev/null

  +++ b/foo

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

  +normal

  $ cat foo

  normal

Largefile in the working copy, keeping the largefile version:

  $ hg update -q -C -r 1

  $ echo "l" | hg merge --config ui.interactive=Yes

  foo has been turned into a normal file

  keep as (l)argefile or use (n)ormal file? 0 files updated, 0 files merged, 1 files removed, 0 files unresolved

  (branch merge, don't forget to commit)

  getting changed largefiles

  1 largefiles updated, 0 removed

  $ hg status

  $ cat foo

  large