2020-03-10 18:30:33 +00:00
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# Copyright 2020 The Pigweed Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy of
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# the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations under
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# the License.
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# This script must be tested on bash, zsh, and dash.
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_pw_abspath () {
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python -c "import os.path; print(os.path.abspath('$@'))"
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}
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_pw_red() {
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echo -e "\033[0;31m$*\033[0m"
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}
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_pw_bold_red() {
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echo -e "\033[1;31m$*\033[0m"
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}
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_pw_green() {
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echo -e "\033[0;32m$*\033[0m"
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}
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_pw_bright_magenta() {
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echo -e "\033[0;35m$*\033[0m"
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}
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_PIGWEED_BANNER=$(cat <<EOF
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▒█████▄ █▓ ▄███▒ ▒█ ▒█ ░▓████▒ ░▓████▒ ▒▓████▄
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▒█░ █░ ░█▒ ██▒ ▀█▒ ▒█░ █ ▒█ ▒█ ▀ ▒█ ▀ ▒█ ▀█▌
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▒█▄▄▄█░ ░█▒ █▓░ ▄▄░ ▒█░ █ ▒█ ▒███ ▒███ ░█ █▌
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▒█▀ ░█░ ▓█ █▓ ░█░ █ ▒█ ▒█ ▄ ▒█ ▄ ░█ ▄█▌
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▒█ ░█░ ░▓███▀ ▒█▓▀▓█░ ░▓████▒ ░▓████▒ ▒▓████▀
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EOF
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)
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# Users are not expected to set PW_CHECKOUT_ROOT, it's only used because it
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# seems to be impossible to reliably determine the path to a sourced file in
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# dash when sourced from a dash script instead of a dash interactive prompt.
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# To reinforce that users should not be using PW_CHECKOUT_ROOT, it is cleared
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# here after it is used, and other pw tools will complain if they see that
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# variable set.
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# TODO(mohrr) find out a way to do this without PW_CHECKOUT_ROOT.
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if test -n "$PW_CHECKOUT_ROOT"; then
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2020-03-11 17:00:32 +00:00
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PW_SETUP_SCRIPT_PATH=$(_pw_abspath "$PW_CHECKOUT_ROOT/bootstrap.sh")
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2020-03-10 18:30:33 +00:00
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unset PW_CHECKOUT_ROOT
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# Shell: bash.
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elif test -n "$BASH"; then
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PW_SETUP_SCRIPT_PATH=$(_pw_abspath $BASH_SOURCE)
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# Shell: zsh.
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elif test -n "$ZSH_NAME"; then
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PW_SETUP_SCRIPT_PATH=$(_pw_abspath ${(%):-%N})
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# Shell: dash.
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elif test ${0##*/} = dash; then
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PW_SETUP_SCRIPT_PATH=$(_pw_abspath \
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$(lsof -p $$ -Fn0 | tail -1 | sed 's#^[^/]*##;'))
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# If everything else fails, try $0. It could work.
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else
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PW_SETUP_SCRIPT_PATH=$(_pw_abspath $0)
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fi
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PW_ROOT=$(dirname $PW_SETUP_SCRIPT_PATH)
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export PW_ROOT
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SETUP_SH="$PW_ROOT/pw_env_setup/.setup.sh"
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2020-03-10 19:04:14 +00:00
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if [ -z "$PW_ENVSETUP_QUIET" ]; then
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_pw_green "\n WELCOME TO...\n"
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_pw_bright_magenta "$_PIGWEED_BANNER\n"
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fi
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2020-03-10 18:30:33 +00:00
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# Run full bootstrap when invoked as bootstrap, or env file is missing/empty.
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[ $(basename $PW_SETUP_SCRIPT_PATH) = "bootstrap.sh" ] || \
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[ ! -f $SETUP_SH ] || \
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[ ! -s $SETUP_SH ]
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_PW_IS_BOOTSTRAP=$?
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if [ $_PW_IS_BOOTSTRAP -eq 0 ]; then
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2020-03-10 19:04:14 +00:00
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if [ -z "$PW_ENVSETUP_QUIET" ]; then
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_pw_green " BOOTSTRAP! Bootstrap may take a few minutes; please be patient.\n"
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fi
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2020-03-10 18:30:33 +00:00
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# Allow forcing a specific version of Python for testing pursposes.
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if [ -n "$PW_BOOTSTRAP_PYTHON" ]; then
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PYTHON="$PW_BOOTSTRAP_PYTHON"
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elif which python &> /dev/null; then
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PYTHON=python
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else
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_pw_bold_red "Error: No system Python present\n"
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_pw_red " Pigweed's bootstrap process requires a local system Python."
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_pw_red " Please install Python on your system, add it to your PATH"
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_pw_red " and re-try running bootstrap."
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return
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fi
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$PYTHON $PW_ROOT/pw_env_setup/py/pw_env_setup/env_setup.py --shell-file $SETUP_SH
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else
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2020-03-10 19:04:14 +00:00
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if [ -z "$PW_ENVSETUP_QUIET" ]; then
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_pw_green " ACTIVATOR! This sets your shell environment variables.\n"
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fi
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2020-03-10 18:30:33 +00:00
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fi
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. $SETUP_SH
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2020-03-10 19:04:14 +00:00
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if [ $_PW_IS_BOOTSTRAP -eq 0 ] && [ -z "$PW_ENVSETUP_QUIET" ]; then
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2020-03-10 18:30:33 +00:00
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echo
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echo "To activate this environment in the future, run this in your terminal:"
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echo
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_pw_green " . activate.sh\n"
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fi
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unset _PW_IS_BOOTSTRAP
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unset _PIGWEED_BANNER
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unset _pw_abspath
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unset _pw_red
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unset _pw_bold_red
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unset _pw_green
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unset _pw_bright_magenta
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