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