52 lines
1004 B
Bash
Executable File
52 lines
1004 B
Bash
Executable File
#!/bin/sh
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# shell 执行参数，分别为 -e(命令执行错误则退出脚本) -u(变量未定义则报错) -x(打印实际待执行的命令行)
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set -eux
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print_usage() {
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echo "Usage: install_pkg <PACKAGE-NAME>"
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echo ""
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echo "Download and install packages"
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echo ""
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echo "Options:"
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echo " -h, --help Show this help message and exit."
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echo ""
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echo "Examples:"
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echo " - Unpack package"
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echo " \$ install_pkg bash curl"
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echo ""
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}
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if [ $# -lt 1 ]; then
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print_usage
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exit 1
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fi
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case "$1" in
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-h|--help)
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print_usage
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exit 0
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;;
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esac
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retry=0
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max=2
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until [ $retry -gt $max ]; do
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set +e
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(
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apk update --no-cache &&
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apk upgrade --no-cache &&
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apk add --no-cache "$@"
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)
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CODE=$?
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set -e
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if [ $CODE -eq 0 ]; then
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break
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fi
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if [ $retry -eq $max ]; then
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exit $CODE
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fi
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echo "APK failed, retrying"
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retry=$(($retry + 1))
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done
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rm -r /var/cache/apk/* /root/.cache /tmp/* || :
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