tests/testlib/push-checkheads-util.sh

automation: delete code related to Python 2.7 support

The building of Inno and WiX installers took a python_version argument
that allowed us to specify "2" or "3" for the major Python version. Since
we no longer support Python 2, we can delete this argument and everything
feeding into it.

Differential Revision: https://phab.mercurial-scm.org/D12264

# setup config and various utility to test new heads checks on push

cat >> $HGRCPATH <<EOF
[command-templates]
# simpler log output
log ="{node|short} ({phase}): {desc}\n"

[phases]
# non publishing server
publish=False

[extensions]
# we need to strip some changeset for some test cases
strip=

[experimental]
# enable evolution
evolution=all

[alias]
# fix date used to create obsolete markers.
debugobsolete=debugobsolete -d '0 0'
EOF

mkcommit() {
   echo "$1" > "$1"
   hg add "$1"
   hg ci -m "$1"
}

getid() {
   hg log --hidden --template '{node}\n' --rev "$1"
}

setuprepos() {
    echo creating basic server and client repo
    hg init server
    cd server
    mkcommit root
    hg phase --public .
    mkcommit A0
    cd ..
    hg clone server client

    if [ "$1" = "single-head" ]; then
        echo >> "server/.hg/hgrc" "[experimental]"
        echo >> "server/.hg/hgrc" "# enforce a single name per branch"
        echo >> "server/.hg/hgrc" "single-head-per-branch = yes"
    fi
}