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#!/bin/sh
# Copyright (C) 2012 Codethink Limited
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
# When conflicts occur outside the root morphs repository, 'morph merge'
# should keep going until the end and report the list of failed repos.
set -eu
# Disable test on versions of Python before 2.7.
if ! python --version 2>&1 | grep '^Python 2\.[78]' > /dev/null
then
exit 0
fi
. "$SRCDIR/tests.branching/setup-3rd-party-strata"
# Create stable branch to merge TO
"$SRCDIR/scripts/test-morph" branch baserock:morphs test/stable
cd test/stable/baserock:morphs
git push --quiet origin test/stable
# Create feature branch to merge FROM
"$SRCDIR/scripts/test-morph" branch baserock:morphs test/feature test/stable
add_text_in_repo() {
REPO="$1"
TEXT="$2"
cd "$1"
echo $TEXT > conflict.txt
git add conflict.txt
git commit --quiet --message "Add some text"
cd - > /dev/null
}
# Sow the seeds of conflict
cd "$DATADIR/workspace/test/stable"
"$SRCDIR/scripts/test-morph" edit hello-system stratum2 hello
"$SRCDIR/scripts/test-morph" edit hello-system stratum3 hello
add_text_in_repo "baserock:stratum2-hello" "xyzzy"
add_text_in_repo "baserock:stratum3-hello" "xyzzy"
cd "$DATADIR/workspace/test/feature"
"$SRCDIR/scripts/test-morph" edit hello-system stratum2 hello
"$SRCDIR/scripts/test-morph" edit hello-system stratum3 hello
add_text_in_repo "baserock:stratum2-hello" "plugh"
add_text_in_repo "baserock:stratum3-hello" "plover"
# This should not be necessary, one day
cd "$DATADIR/workspace/test/stable/baserock:morphs"
git commit --quiet --all --message "Commit refs for branch"
cd "$DATADIR/workspace/test/stable/baserock:external-strata"
git commit --quiet --all --message "Commit refs for branch"
cd "$DATADIR/workspace/test/feature/baserock:morphs"
git commit --quiet --all --message "Commit refs for branch"
cd "$DATADIR/workspace/test/feature/baserock:external-strata"
git commit --quiet --all --message "Commit refs for branch"
# Manually merge in baserock:morphs for now so we test that errors in other
# repos are collected instead of being immediately fatal. Morph should be able
# to deal with this merge automatically in the future because it's only the
# system branch refs that are conflicting.
cd "$DATADIR/workspace/test/feature/baserock:morphs"
git pull --quiet --strategy=ours \
"file:///$DATADIR/workspace/test/stable/baserock:morphs" test/stable
cd "$DATADIR/workspace/test/feature/baserock:external-strata"
git pull --quiet --strategy=ours \
"file:///$DATADIR/workspace/test/stable/baserock:external-strata" \
test/stable
# Merge changes from test/feature to test/stable
cd "$DATADIR/workspace/test/stable"
"$SRCDIR/scripts/test-morph" merge test/feature || true
# Check that the repos are all clean
for repo in "baserock:morphs" "baserock:external-strata" \
"baserock:stratum2-hello" "baserock:stratum3-hello"; do
cd "$DATADIR/workspace/test/stable/$repo"
git status --porcelain
[ $(git rev-parse HEAD) = $(git rev-parse test/stable) ]
done
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