view tests/test-corrupt.t @ 3527:7b4d1bfb6b7d

grab: gracefully handle the case when we try to grab parent of wdir

Before this patch, we go all the way down to obsmarker creation logic and gets
an error saying that changeset cannot obsolete itself. We should be more smart
here and error out early saying we cannot grab that changeset.

  $ cat >> $HGRCPATH <<EOF
  > [defaults]
  > amend=-d "0 0"
  > [web]
  > push_ssl = false
  > allow_push = *
  > [phases]
  > publish = False
  > [alias]
  > qlog = log --template='{rev} - {node|short} {desc} ({phase})\n'
  > [diff]
  > git = 1
  > unified = 0
  > [extensions]
  > EOF
  $ echo "evolve=$(echo $(dirname $TESTDIR))/hgext3rd/evolve/" >> $HGRCPATH
  $ mkcommit() {
  >    echo "$1" >> "$1"
  >    hg add "$1"
  >    hg ci -m "add $1"
  > }

  $ hg init local
  $ hg init other
  $ cd local
  $ touch 1 2 3 4 5 6 7 8 9 0
  $ hg add 1 2 3 4 5 6 7 8 9 0
  $ mkcommit A
  $ mkcommit B
  $ mkcommit C
  $ hg log -G
  @  changeset:   2:829b19580856
  |  tag:         tip
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     add C
  |
  o  changeset:   1:97b8f02ab29e
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     add B
  |
  o  changeset:   0:5d8dabd3961b
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     add A
  
  $ hg push ../other
  pushing to ../other
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 3 changesets with 13 changes to 13 files


  $ hg -R ../other verify
  checking changesets
  checking manifests
  crosschecking files in changesets and manifests
  checking files
  13 files, 3 changesets, 13 total revisions
  $ mkcommit D
  $ mkcommit E
  $ hg up -q .^^
  $ hg revert -r tip -a -q
  $ hg ci -m 'coin' -q
  $ hg log -G
  @  changeset:   5:8313a6afebbb
  |  tag:         tip
  |  parent:      2:829b19580856
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     coin
  |
  | o  changeset:   4:076ec8ade1ac
  | |  user:        test
  | |  date:        Thu Jan 01 00:00:00 1970 +0000
  | |  summary:     add E
  | |
  | o  changeset:   3:824d9bb109f6
  |/   user:        test
  |    date:        Thu Jan 01 00:00:00 1970 +0000
  |    summary:     add D
  |
  o  changeset:   2:829b19580856
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     add C
  |
  o  changeset:   1:97b8f02ab29e
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     add B
  |
  o  changeset:   0:5d8dabd3961b
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     add A
  

  $ hg prune --fold -n -1 -- -2 -3
  2 changesets pruned
  $ hg push ../other
  pushing to ../other
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 2 changes to 2 files
  2 new obsolescence markers
  $ hg -R ../other verify
  checking changesets
  checking manifests
  crosschecking files in changesets and manifests
  checking files
  15 files, 4 changesets, 15 total revisions