分享一个日常使用的一段shell脚本
日常开发经常要简化很多操作可以用make 工具封装很多命令干活，但是在docker 容器内有时候为了简化镜像的大小和避免风险都没有安装make ，但是又需要用很多已命令的命令执行任务，索性就用shell封装好一个类似make 的模板，如下所示
#!/usr/bin/env bash #/ PATH=./node_modules/.bin:$PATH #/ https://www.tldp.org/LDP/abs/html/options.html # Similar to -v (Print each command to stdout before executing it), but expands commands # set -o xtrace # set -o verbose # Abort script at first error, when a command exits with non-zero status (except in until or while loops, if-tests, list constructs) set -o errexit # apply to subprocesses too shopt -s inherit_errexit 2>/dev/null || true # Causes a pipeline to return the exit status of the last command in the pipe that returned a non-zero return value. set -o pipefail # Attempt to use undefined variable outputs error message, and forces an exit set -o nounset # makes iterations and splitting less surprising IFS=$'\n\t' # full path current folder __dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)" # full path of the script.sh (including the name) __file="${__dir}/$(basename "${BASH_SOURCE[0]}")" # name of the script __base="$(basename ${__file} .sh)" # full path of the parent folder __root="$(cd "$(dirname "${__dir}")" && pwd)" # <-- change this as it depends on your app # Log function # This disables and re-enables debug trace mode (only if it was already set) # Sources: https://superuser.com/a/1338887/922762 -- https://github.com/Kurento/adm-scripts/blob/master/bash.conf.sh shopt -s expand_aliases # This trick requires enabling aliases in Bash BASENAME="$(basename "$0")" # Complete file name echo_and_restore() { echo "[${BASENAME}] $(cat -)" # shellcheck disable=SC2154 case "$flags" in (*x*) set -x; esac } alias log='({ flags="$-"; set +x; } 2>/dev/null; echo_and_restore) <<<' # Exit trap # This runs at the end or, thanks to 'errexit', upon any error on_exit() { { _RC="$?"; set +x; } 2>/dev/null if ((_RC)); then log "ERROR ($_RC)"; else log "SUCCESS"; fi log "#################### END ####################" } trap on_exit EXIT log "==================== BEGIN ====================" export appdir="$__dir"/ export SOURCE_FILES="$appdir tests" function assert_env () { source "$__dir"/".venv/bin/activate" || exit 1 echo "Pip location:" pip_cmd=$(command -v pip) echo "$pip_cmd" current=$(pwd) pip_path="$current/.venv/bin/pip" echo "$pip_path" if [[ "$pip_cmd" -ef "$pip_path" ]]; then echo "paths match" else exit 1 fi } function clean () { log "cleaning files" find . -name '__pycache__' -exec rm -fr {} +; find . -name '.ipynb_checkpoints' -exec rm -fr {} +; find . -name '*.pyo' -exec rm -f {} +; find . -name '*.pyc' -exec rm -f {} +; find . -name '*.egg-info' -exec rm -fr {} +; find . -name '*~' -exec rm -f {} +; find . -name '*.egg' -exec rm -f {} + } function deps () { assert_env pip install pip-tools pip setuptools pip-compile -v --allow-unsafe --output-file requirements/main.txt requirements/main.in && \ pip-compile -v --allow-unsafe --output-file requirements/dev.txt requirements/dev.in } function update () { assert_env # --build-isolation --generate-hashes pip install --upgrade pip-tools pip setuptools pip-compile -v --upgrade --allow-unsafe --output-file requirements/main.txt requirements/main.in && \ pip-compile -v --upgrade --allow-unsafe --output-file requirements/dev.txt requirements/dev.in wait pip-sync requirements/*.txt } function install { assert_env if ! command -v pip-sync; then echo "pip-tools not installed" && exit; fi pip-sync requirements/*.txt } function lint () { assert_env autoflake --remove-all-unused-imports --recursive --remove-unused-variables --in-place "$appdir" --exclude=__init__.py isort --profile black "$appdir" black "$appdir" } function report () { echo "Flake8 report:" > "$__dir"/code_report.txt flake8 "$appdir" >> code_report.txt echo "Bandit report:" >> code_report.txt bandit -r "$appdir" >> "$__dir"/code_report.txt } function publish () { assert_env if ! command -v twine &>/dev/null ; then echo "Unable to find the 'twine' command." echo "Install from PyPI, using 'pip install twine'." exit 1 fi if ! pip show wheel &>/dev/null ; then echo "Unable to find the 'wheel' command." echo "Install from PyPI, using 'pip install wheel'." exit 1 fi clean log "building package" python3 setup.py sdist bdist_wheel log "uploading to PyPi" python3 -m twine upload dist/* log "cleaning..." clean echo "You probably want to also tag the version now:" echo "git tag -a ${VERSION} -m 'version ${VERSION}'" echo "git push --tags" } function build () { echo "build task not implemented" } function tester () { echo "not implemented" assert_env # pytest ... } function buildprod { echo "build task not implemented" assert_env # this runs in parallel format & deps & tester & wait echo "not implemented" # shiv ... } function run { echo "running app with uvicorn" assert_env uvicorn --workers 2 app.main:app --reload --reload-dir "$appdir" } function default { # start clean } function tasks { echo "$0 <task> <args>" echo "Tasks:" compgen -A function | cat -n } # Help message (extracted from script headers) usage() { grep '^#/' "$0" | cut --characters=4-; exit 0; } REGEX='(^|\W)(-h|--help)($|\W)' [[ "$*" =~ $REGEX ]] && usage || true TIMEFORMAT="Task completed in %3lR" time ${@:-default}
来源：
https://www.toutiao.com/article/7117773212569616929/?log_from=c70723eb58584_1660185655838
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