view tests/test-evolve-split.t @ 4010:4c2fcd53c601

sqlite: fast path when nothing to save

If we have no new data to save, we should try to do anything. Doing something
concurrently is hard enough. If we can avoid doing it at all that would be
great.

Check that evolve shows error while handling split commits
--------------------------------------
  $ cat >> $HGRCPATH <<EOF
  > [defaults]
  > amend=-d "0 0"
  > fold=-d "0 0"
  > [web]
  > push_ssl = false
  > allow_push = *
  > [phases]
  > publish = False
  > [diff]
  > git = 1
  > unified = 0
  > [ui]
  > logtemplate = {rev}:{node|short}@{branch}({phase}) {desc|firstline}\n
  > [extensions]
  > EOF
  $ echo "evolve=$(echo $(dirname $TESTDIR))/hgext3rd/evolve/" >> $HGRCPATH
  $ mkcommit() {
  >    echo "$1" > "$1"
  >    hg add "$1"
  >    hg ci -m "add $1"
  > }

  $ hg init split
  $ cd split
  $ mkcommit aa

Create a split commit
  $ printf "oo" > oo;
  $ printf "pp" > pp;
  $ hg add oo pp
  $ hg commit -m "oo+pp"
  $ mkcommit uu
  $ hg up 0
  0 files updated, 0 files merged, 3 files removed, 0 files unresolved
  $ printf "oo" > oo;
  $ hg add oo
  $ hg commit -m "_oo"
  created new head
  $ printf "pp" > pp;
  $ hg add pp
  $ hg commit -m "_pp"
  $ hg prune --succ "desc(_oo) + desc(_pp)" -r "desc('oo+pp')" --split
  1 changesets pruned
  1 new orphan changesets
  $ hg log -G
  @  4:d0dcf24cddd3@default(draft) _pp
  |
  o  3:a7fdfda64c08@default(draft) _oo
  |
  | *  2:f52200b086ca@default(draft) add uu
  | |
  | x  1:d55647aaa0c6@default(draft) oo+pp
  |/
  o  0:58663bb03074@default(draft) add aa
  
  $ hg evolve --rev "0::"
  move:[2] add uu
  atop:[4] _pp
  working directory is now at 6f5bbe2e3df3