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# Copyright 2020 The Pigweed Authors
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.
# This script must be tested on bash, zsh, and dash.
_bootstrap_abspath () {
$(command -v python3 || command -v python2 || command -v python) -c "import os.path; print(os.path.abspath('$@'))"
}
# Shell: bash.
if test -n "$BASH"; then
_PW_BOOTSTRAP_PATH="$(_bootstrap_abspath "$BASH_SOURCE")"
# Shell: zsh.
elif test -n "$ZSH_NAME"; then
_PW_BOOTSTRAP_PATH="$(_bootstrap_abspath "${(%):-%N}")"
# Shell: dash.
elif test ${0##*/} = dash; then
_PW_BOOTSTRAP_PATH="$(_bootstrap_abspath \
"$(lsof -p $$ -Fn0 | tail -1 | sed 's#^[^/]*##;')")"
# If everything else fails, try $0. It could work.
else
_PW_BOOTSTRAP_PATH="$(_bootstrap_abspath "$0")"
fi
# Check if this file is being executed or sourced.
_pw_sourced=0
if [ -n "$SWARMING_BOT_ID" ]; then
# If set we're running on swarming and don't need this check.
_pw_sourced=1
elif [ -n "$ZSH_EVAL_CONTEXT" ]; then
case $ZSH_EVAL_CONTEXT in *:file) _pw_sourced=1;; esac
elif [ -n "$KSH_VERSION" ]; then
[ "$(cd $(dirname -- $0) && pwd -P)/$(basename -- $0)" != \
"$(cd $(dirname -- ${.sh.file}) && pwd -P)/$(basename -- ${.sh.file})" ] \
&& _pw_sourced=1
elif [ -n "$BASH_VERSION" ]; then
(return 0 2>/dev/null) && _pw_sourced=1
else # All other shells: examine $0 for known shell binary filenames
# Detects `sh` and `dash`; add additional shell filenames as needed.
case ${0##*/} in sh|dash) _pw_sourced=1;; esac
fi
# Downstream projects need to set something other than PW_ROOT here, like
# YOUR_PROJECT_ROOT. Please also set PW_ROOT before invoking pw_bootstrap or
# pw_activate.
PW_ROOT="$(dirname "$_PW_BOOTSTRAP_PATH")"
export PW_ROOT
# Please also set PW_PROJECT_ROOT to YOUR_PROJECT_ROOT.
PW_PROJECT_ROOT="$PW_ROOT"
export PW_PROJECT_ROOT
. "$PW_ROOT/pw_env_setup/util.sh"
# Check environment properties
pw_deactivate
pw_eval_sourced "$_pw_sourced" "$_PW_BOOTSTRAP_PATH"
if ! pw_check_root "$PW_ROOT"; then
return
fi
_PW_ACTUAL_ENVIRONMENT_ROOT="$(pw_get_env_root)"
export _PW_ACTUAL_ENVIRONMENT_ROOT
SETUP_SH="$_PW_ACTUAL_ENVIRONMENT_ROOT/activate.sh"
# Downstream projects may wish to set PW_BANNER_FUNC to a function that prints
# an ASCII art banner here.
# Run full bootstrap when invoked as bootstrap, or env file is missing/empty.
if [ "$(basename "$_PW_BOOTSTRAP_PATH")" = "bootstrap.sh" ] || \
[ ! -f "$SETUP_SH" ] || \
[ ! -s "$SETUP_SH" ]; then
pw_bootstrap --shell-file "$SETUP_SH" --install-dir "$_PW_ACTUAL_ENVIRONMENT_ROOT"
pw_finalize bootstrap "$SETUP_SH"
else
pw_activate
pw_finalize activate "$SETUP_SH"
fi
unset _pw_sourced
unset _PW_BOOTSTRAP_PATH
unset SETUP_SH
unset _bootstrap_abspath
if [[ "$TERM" != dumb ]]; then
# Shell completion: bash.
if test -n "$BASH"; then
. "$PW_ROOT/pw_cli/py/pw_cli/shell_completion/pw.bash"
. "$PW_ROOT/pw_cli/py/pw_cli/shell_completion/pw_build.bash"
# Shell completion: zsh.
elif test -n "$ZSH_NAME"; then
. "$PW_ROOT/pw_cli/py/pw_cli/shell_completion/pw.zsh"
. "$PW_ROOT/pw_cli/py/pw_cli/shell_completion/pw_build.zsh"
fi
fi
pw_cleanup
git -C "$PW_ROOT" config blame.ignoreRevsFile .git-blame-ignore-revs
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