tests/test-rebase-legacy.t

revlog: add a way to keep track of older uids in the docket

When the revlog content is rewritten, we will use new files, to avoid truncating
the previous ones. We need some way to keep track of the older files before we
clean them up.

Differential Revision: https://phab.mercurial-scm.org/D10866

#testcases continuecommand continueflag
Test rebase --continue with rebasestate written by legacy client

  $ cat >> $HGRCPATH <<EOF
  > [extensions]
  > rebase=
  > drawdag=$TESTDIR/drawdag.py
  > EOF

#if continueflag
  $ cat >> $HGRCPATH <<EOF
  > [alias]
  > continue = rebase --continue
  > EOF
#endif

  $ hg init
  $ hg debugdrawdag <<'EOF'
  >    D H
  >    | |
  >    C G
  >    | |
  >    B F
  >    | |
  >  Z A E
  >   \|/
  >    R
  > EOF
  $ for r in A B C D E F G H R Z
  > do
  >   eval node_$r=$(hg log -r $r -T '{node}')
  > done

rebasestate generated by a legacy client running "hg rebase -r B+D+E+G+H -d Z"

  $ touch .hg/last-message.txt
  $ cat > .hg/rebasestate <<EOF
  > 0000000000000000000000000000000000000000
  > $node_Z
  > 0000000000000000000000000000000000000000
  > 0
  > 0
  > 0
  > 
  > $node_A:-2
  > $node_E:0000000000000000000000000000000000000000
  > $node_B:0000000000000000000000000000000000000000
  > $node_F:-3
  > $node_C:-3
  > $node_G:0000000000000000000000000000000000000000
  > $node_D:0000000000000000000000000000000000000000
  > $node_H:0000000000000000000000000000000000000000
  > EOF

#if continuecommand
  $ hg continue --dry-run
  rebase in progress, will be resumed
#endif

  $ hg continue
  rebasing 4:c1e6b162678d B "B"
  rebasing 8:6f7a236de685 D "D"
  rebasing 2:de008c61a447 E "E"
  rebasing 7:d2fa1c02b240 G "G"
  rebasing 9:6582e6951a9c H tip "H"
  warning: orphaned descendants detected, not stripping c1e6b162678d, de008c61a447
  saved backup bundle to $TESTTMP/.hg/strip-backup/6f7a236de685-9880a3dc-rebase.hg

  $ hg log -G -T '{rev}:{node|short} {desc}\n'
  o  11:721b8da0a708 H
  |
  o  10:9d65695ec3c2 G
  |
  o  9:21c8397a5d68 E
  |
  | o  8:fc52970345e8 D
  | |
  | o  7:eac96551b107 B
  |/
  | o  6:bd5548558fcf C
  | |
  | | o  5:aeba276fcb7d F
  | | |
  | o |  4:c1e6b162678d B
  | | |
  o | |  3:f424eb6a8c01 Z
  | | |
  +---o  2:de008c61a447 E
  | |
  | o  1:21a6c4502885 A
  |/
  o  0:b41ce7760717 R