opencanteen/flutterw

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#!/usr/bin/env sh
##############################################################################
##
## Flutter start up script for UN*X
## Version: v1.3.1
## Date: 2022-11-21 17:25:38
##
## Use this flutter wrapper to bundle Flutter within your project to make
## sure everybody builds with the same version.
##
## Read about the install and uninstall process in the README on GitHub
## https://github.com/passsy/flutter_wrapper
##
## Inspired by gradle-wrapper.
##
##############################################################################
echoerr() { echo "$@" 1>&2; }
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
PRG="$0"
# Need this for relative symlinks.
while [ -h "$PRG" ]; do
ls=$(ls -ld "$PRG")
link=$(expr "$ls" : '.*-> \(.*\)$')
if expr "$link" : '/.*' >/dev/null; then
PRG="$link"
else
PRG=$(dirname "$PRG")"/$link"
fi
done
SAVED="$(pwd)"
cd "$(dirname "$PRG")/" >/dev/null
APP_HOME="$(pwd -P)"
cd "$SAVED" >/dev/null
FLUTTER_SUBMODULE_NAME='.flutter'
GIT_HOME=$(git -C "${APP_HOME}" rev-parse --show-toplevel)
FLUTTER_DIR="${GIT_HOME}/${FLUTTER_SUBMODULE_NAME}"
# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
cd "$(dirname "$0")"
fi
# Fix not initialized flutter submodule
if [ ! -f "${FLUTTER_DIR}/bin/flutter" ]; then
echoerr "$FLUTTER_SUBMODULE_NAME submodule not initialized. Initializing..."
git submodule update --init "${FLUTTER_DIR}"
fi
# Detect detach HEAD and fix it. commands like upgrade expect a valid branch, not a detached HEAD
FLUTTER_SYMBOLIC_REF=$(git -C "${FLUTTER_DIR}" symbolic-ref -q HEAD)
if [ -z "${FLUTTER_SYMBOLIC_REF}" ]; then
FLUTTER_REV=$(git -C "${FLUTTER_DIR}" rev-parse HEAD)
FLUTTER_CHANNEL=$(git -C "${GIT_HOME}" config -f .gitmodules submodule.${FLUTTER_SUBMODULE_NAME}.branch)
if [ -z "${FLUTTER_CHANNEL}" ]; then
echoerr "Warning: Submodule '$FLUTTER_SUBMODULE_NAME' doesn't point to an official Flutter channel \
(one of stable|beta|dev|master). './flutterw upgrade' will fail without a channel."
echoerr "Fix this by adding a specific channel with:"
echoerr " - './flutterw channel <channel>' or"
echoerr " - Add 'branch = <channel>' to '$FLUTTER_SUBMODULE_NAME' submodule in .gitmodules"
else
echoerr "Fixing detached HEAD: '$FLUTTER_SUBMODULE_NAME' submodule points to a specific commit $FLUTTER_REV, not channel '$FLUTTER_CHANNEL' (as defined in .gitmodules)."
# Make sure channel is fetched
# Remove old channel branch because it might be moved to an unrelated commit where fast-forward pull isn't possible
git -C "${FLUTTER_DIR}" branch -q -D "${FLUTTER_CHANNEL}" 2> /dev/null || true
git -C "${FLUTTER_DIR}" fetch -q origin
# bind current HEAD to channel defined in .gitmodules
git -C "${FLUTTER_DIR}" checkout -q -b "${FLUTTER_CHANNEL}" "${FLUTTER_REV}"
git -C "${FLUTTER_DIR}" branch -q -u "origin/${FLUTTER_CHANNEL}" "${FLUTTER_CHANNEL}"
echoerr "Fixed! Migrated to channel '$FLUTTER_CHANNEL' while staying at commit $FLUTTER_REV. './flutterw upgrade' now works without problems!"
git -C "${FLUTTER_DIR}" status -bs
fi
fi
# Wrapper tasks done, call flutter binary with all args
set -e
"$FLUTTER_DIR/bin/flutter" "$@"
set +e
# Post flutterw tasks. exit code from /bin/flutterw will be used as final exit
FLUTTER_EXIT_STATUS=$?
if [ ${FLUTTER_EXIT_STATUS} -eq 0 ]; then
# ./flutterw channel CHANNEL
if echo "$@" | grep -q "channel"; then
if [ -n "$2" ]; then
# make sure .gitmodules is updated as well
CHANNEL=${2} # second arg
git config -f "${GIT_HOME}/.gitmodules" "submodule.${FLUTTER_SUBMODULE_NAME}.branch" "${CHANNEL}"
# makes sure nobody forgets to do commit all changed files
git add "${GIT_HOME}/.gitmodules"
git add "${FLUTTER_DIR}"
fi
fi
# ./flutterw upgrade
if echo "$@" | grep -q "upgrade"; then
# makes sure nobody forgets to do commit the changed submodule
git add "${FLUTTER_DIR}"
# flutter packages get runs automatically. Stage those changes as well
if [ -f pubspec.lock ]; then
git add pubspec.lock
fi
fi
fi
exit ${FLUTTER_EXIT_STATUS}