resolver.sh 代码分析(上)
作者:互联网
2021SC@SDUSC
resolver.sh代码如下:
#!/bin/bash
require 'styles'
# a recipe order takes the form
# <github-user>/<repository-name>@<branch>:<recipe>:key=value,...
#
# the "<github-user>/" and/or "@<branch>", ":<recipe>..." parts can be omitted
resolve_user_name() {
local package="${1%%[@:]*}"
local user_name='rime'
if [[ "${package}" =~ / ]]; then
user_name="${package%/*}"
fi
echo "${user_name}"
}
resolve_package_name() {
local package="${1%%[@:]*}"
local repo_name="${package##*/}"
local package_name="${repo_name#rime-}"
echo "${package_name}"
}
resolve_package() {
local package="${1%%[@:]*}"
echo "${package}"
}
# returns empty string if not specified
resolve_branch() {
local package="${1%%:*}"
if [[ "${package}" =~ @ ]]; then
echo "${package##*@}"
fi
}
# returns empty string if not specified
resolve_recipe() {
local rx="$1"
if [[ "${rx}" =~ : ]]; then
rx="${rx#*:}"
echo "${rx%%:*}"
fi
}
resolve_recipe_options() {
local rx="$1"
if [[ "${rx}" =~ : ]]; then
rx="${rx#*:}"
if [[ "${rx}" =~ : ]]; then
echo "${rx#*:}" | sed 's/[:,]/ /g'
fi
fi
}
expand_configuration_url() {
if [[ "$1" =~ ^https:// ]]; then
echo "$1"
elif [[ "$1" =~ ^([^/@:]*)/([^/@:]*)(@[^/@:]*)?/([^@:]*-packages.conf)$ ]]; then
local user="${BASH_REMATCH[1]}"
local repo="${BASH_REMATCH[2]}"
local branch="${BASH_REMATCH[3]#@}"
local filepath="${BASH_REMATCH[4]}"
echo "https://github.com/${user}/${repo}/raw/${branch:-master}/${filepath}"
fi
}
load_package_list_from_target() {
local target="$1"
case "${target}" in
*/*/*-packages.conf |\
https://github.com/*/raw/*-packages.conf |\
https://raw.githubusercontent.com/*-packages.conf)
local configuration_url="$(expand_configuration_url "${target}")"
if [[ -z "${configuration_url}" ]]; then
echo $(error 'ERROR:') "unable to recognize configuration: ${target}" >&2
exit 1
fi
echo $(info 'Fetching') "${configuration_url}"
curl -fLO "${configuration_url}"
source "$(basename "${configuration_url}")"
;;
*.conf)
source "${target}"
;;
:*)
source "${root_dir:-.}/${target#:}"-packages.conf
;;
*)
package_list=("${target}")
;;
esac
}
provide 'resolver'
同样的,开头和结尾各调用一个require和provide函数,分别创建新的模块和将模块加载入已加载模块数组。
前六个resolve函数主要用来解析。其分别解析用户姓名,包名,包,包下的分支,方法,方法选项。
resolve_user_name函数用来解析用户姓名。如果包名含有/,用户的名字为package%/后跟所有参数。然后输出用户姓名。
resolve_package_name函数用来解析包名。通过正则表达式进行匹配后将package_name的值输出。
resolve_package函数用来解析包。将package匹配后输出package的值。
resolve_branch函数用来解析包的分支。
标签:resolve,name,package,代码,rx,echo,sh,resolver,local 来源: https://blog.csdn.net/m0_46117192/article/details/121895448