HG environment variables take precedence over hgrc
manifest hash: c128b53429f861c0b75c2a81c6ad4907e4779810
#!/bin/sh
set -x
hg init
echo "nothing" > a
hg add a
hg commit -t ancestor -u test -d "0 0"
echo "something" > a
hg commit -t branch1 -u test -d "0 0"
hg co 0
echo "something else" > a
hg commit -t branch2 -u test -d "0 0"
export HGMERGE=merge
hg up -m 1
hg id
grep -Ev ">>>|<<<" a
hg status