blob: b150a67aced15f76c9d8f5132c6d1b2020554cfd [file] [log] [blame]
#!/bin/bash
set -e
set -x
if [[ "$CIRRUS_CI" = false || -z $CIRRUS_CI ]]
then
echo "Cloning Flutter repo to local machine."
fi
if [[ -z $ENGINE_PATH ]]
then
echo "Please set ENGINE_PATH environment variable."
exit 1
fi
# Go to the engine git repo to get the date of the latest commit.
cd $ENGINE_PATH/src/flutter
# Special handling of release branches.
ENGINE_BRANCH_NAME=$CIRRUS_BASE_BRANCH
versionregex="^v[[:digit:]]+\."
releasecandidateregex="^flutter-[[:digit:]]+\.[[:digit:]]+-candidate\.[[:digit:]]+$"
ON_RELEASE_BRANCH=false
echo "Engine on branch $ENGINE_BRANCH_NAME"
if [[ $ENGINE_BRANCH_NAME =~ $versionregex || $ENGINE_BRANCH_NAME =~ $releasecandidateregex ]]
then
echo "release branch $ENGINE_BRANCH_NAME"
ON_RELEASE_BRANCH=true
fi
# Get latest commit's time for the engine repo.
# Use date based on local time otherwise timezones might get mixed.
LATEST_COMMIT_TIME_ENGINE=`git log -1 --date=local --format="%cd"`
echo "Latest commit time on engine found as $LATEST_COMMIT_TIME_ENGINE"
# Check if there is an argument added for repo location.
# If not use the location that should be set by Cirrus/LUCI.
FLUTTER_CLONE_REPO_PATH=$1
if [[ -z $FLUTTER_CLONE_REPO_PATH ]]
then
if [[ -z $FRAMEWORK_PATH ]]
then
echo "Framework path should be set to run the script."
exit 1
fi
# Do rest of the task in the root directory
cd ~
mkdir -p $FRAMEWORK_PATH
cd $FRAMEWORK_PATH
else
cd $FLUTTER_CLONE_REPO_PATH
fi
# Clone the Flutter Framework.
git clone https://github.com/flutter/flutter.git
cd flutter
FRAMEWORK_BRANCH_NAME=`git branch | grep '*' | cut -d ' ' -f2`
if [[ "$ON_RELEASE_BRANCH" = true && ENGINE_BRANCH_NAME != FRAMEWORK_BRANCH_NAME ]]
then
echo "For a release framework and engine should be on the same version."
echo "Switching branches on Framework to from $FRAMEWORK_BRANCH_NAME to $ENGINE_BRANCH_NAME"
# Switch to the same version branch with the engine.
# If same version branch does not exits, fail.
SWITCH_RESULT=`git checkout $ENGINE_BRANCH_NAME` || true
if [[ -z "$SWITCH_RESULT" ]]
then
echo "$ENGINE_BRANCH_NAME Branch not found on framework. Quit."
exit 1
fi
fi
# Get the time of the youngest commit older than engine commit.
# Git log uses commit date not the author date.
# Before makes the comparison considering the timezone as well.
COMMIT_NO=`git log --before="$LATEST_COMMIT_TIME_ENGINE" -n 1 | grep commit | cut -d ' ' -f2`
echo "Using the flutter/flutter commit $COMMIT_NO";
git reset --hard $COMMIT_NO