$ cat >> $HGRCPATH << EOF
  > [extensions]
  > amend=
  > undo =
  > [experimental]
  > evolution = createmarkers, allowunstable
  > EOF

Create repo
  $ hg init
  $ hg debugdrawdag <<'EOS'
  > E
  > |
  > C D
  > |/
  > B
  > |
  > A
  > EOS
  $ rm .hg/localtags

  $ hg book -r 2 cat
  $ hg book -r 1 dog
  $ hg update 0
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ hg log -G -T '{rev} {desc} {bookmarks}\n'
  o  4 E
  |
  | o  3 D
  | |
  o |  2 C cat
  |/
  o  1 B dog
  |
  @  0 A
  

Hide a single commit
  $ hg hide 3
  hiding commit be0ef73c17ad "D"
  1 changesets hidden
  hint[undo]: you can undo this using the `hg undo` command
  hint[hint-ack]: use 'hg hint --ack undo' to silence these hints
  $ hg log -G -T '{rev} {desc} {bookmarks}\n'
  o  4 E
  |
  o  2 C cat
  |
  o  1 B dog
  |
  @  0 A
  

Hide multiple commits with bookmarks on them, hide wc parent
  $ hg update 1
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg hide .
  hiding commit 112478962961 "B"
  hiding commit 26805aba1e60 "C"
  hiding commit 78d2dca436b2 "E"
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  working directory now at 426bada5c675
  3 changesets hidden
  removing bookmark "cat (was at: 26805aba1e60)"
  removing bookmark "dog (was at: 112478962961)"
  2 bookmarks removed
  hint[undo]: you can undo this using the `hg undo` command
  hint[hint-ack]: use 'hg hint --ack undo' to silence these hints
  $ hg log -G -T '{rev} {desc} {bookmarks}\n'
  @  0 A
  

Unhide stuff
  $ hg unhide 2
  $ hg log -G -T '{rev} {desc} {bookmarks}\n'
  o  2 C
  |
  o  1 B
  |
  @  0 A
  
  $ hg unhide -r 4 -r 3
  $ hg log -G -T '{rev} {desc} {bookmarks}\n'
  o  4 E
  |
  | o  3 D
  | |
  o |  2 C
  |/
  o  1 B
  |
  @  0 A
  

hg hide --cleanup tests
  $ hg update 4
  3 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ echo f > f
  $ hg add f
  $ hg commit -d "0 0" -m F
  $ hg update 4
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ hg amend --no-rebase -m E2 -d "0 0"
  hint[amend-restack]: descendants of 78d2dca436b2 are left behind - use 'hg restack' to rebase them
  hint[hint-ack]: use 'hg hint --ack amend-restack' to silence these hints
  $ hg log -G -T '{rev} {desc} {bookmarks}\n'
  @  6 E2
  |
  | o  5 F
  | |
  | x  4 E
  |/
  | o  3 D
  | |
  o |  2 C
  |/
  o  1 B
  |
  o  0 A
  
  $ hg hide -c
  abort: nothing to hide
  [255]
  $ hg hide -c -r .
  abort: --rev and --cleanup are incompatible
  [255]
  $ hg --config extensions.rebase= rebase -s 5 -d 6
  rebasing 5:1f7934a9b4de "F"
  $ hg book -r 5 alive --hidden
  $ hg log -G -T '{rev} {desc} {bookmarks}\n'
  o  7 F
  |
  @  6 E2
  |
  | x  5 F alive
  | |
  | x  4 E
  |/
  | o  3 D
  | |
  o |  2 C
  |/
  o  1 B
  |
  o  0 A
  
  $ hg hide --cleanup
  hiding commit 78d2dca436b2 "E"
  hiding commit 1f7934a9b4de "F"
  2 changesets hidden
  removing bookmark "alive (was at: 1f7934a9b4de)"
  1 bookmarks removed
  hint[undo]: you can undo this using the `hg undo` command
  hint[hint-ack]: use 'hg hint --ack undo' to silence these hints
  $ hg log -G -T '{rev} {desc} {bookmarks}\n'
  o  7 F
  |
  @  6 E2
  |
  | o  3 D
  | |
  o |  2 C
  |/
  o  1 B
  |
  o  0 A