evolve: delete evolvestate after aborting interrupted `next --evolve`
We didn't use to delete the evolvestate after aborting an interrupted `next
--evolve`. This patch makes sure we do that. The test changes demonstrate the
fix and we add a CHANGELOG entry about the fix.
#!/bin/bash
set -euox pipefail
unset GREP_OPTIONS
NOTOPIC="--config experimental.topic-mode=ignore"
compatbranches=`hg branches --quiet | grep 'mercurial-' | grep -v ':' | sort -n --reverse`
prev='stable'
for branch in $compatbranches; do
hg up $branch
hg merge $prev
hg commit -m "test-compat: merge $prev into $branch"
prev=$branch
done