#!/bin/sh

echo "% setup"

# create a little extension that has 3 side-effects:

#   1) ensure changelog data is not inlined

#   2) make revlog to use lazyparser

#   3) test that repo.lookup() works

# 1 and 2 are preconditions for the bug; 3 is the bug.

cat > commitwrapper.py <<EOF

from mercurial import extensions, node, revlog

def reposetup(ui, repo):

    def wrapcommit(orig, *args, **kwargs):

        result = orig(*args, **kwargs)

        tip1 = node.short(repo.changelog.tip())

        tip2 = node.short(repo.lookup(tip1))

        assert tip1 == tip2

        ui.write('new tip: %s\n' % tip1)

        return result

    extensions.wrapfunction(repo, 'commit', wrapcommit)

def extsetup(ui):

    revlog._maxinline = 8             # split out 00changelog.d early

    revlog._prereadsize = 8           # use revlog.lazyparser

EOF

cat >> $HGRCPATH <<EOF

[extensions]

commitwrapper = `pwd`/commitwrapper.py

EOF

hg init repo1

cd repo1

echo a > a

hg commit -A -m'add a with a long commit message to make the changelog a bit bigger'

echo ""

echo "% test that new changesets are visible to repo.lookup()"

echo a >> a

hg commit -m'one more commit to demonstrate the bug'

hg tip