auto change git user

pre_commit.sh

#!/usr/bin/env bash
    
# 用 repo 的 "remote.origin.url" 来匹配user配置
git_remotes[0]="github"
git_remotes[1]="gitlab"
    
# user info配置
local_id_0[0]="github user"
local_id_0[1]="github email"
    
local_id_1[0]="gitlab user"
local_id_1[1]="gitlab email"
    
# 默认 User info
local_fallback_id[0]="${local_id_0[0]}"
local_fallback_id[1]="${local_id_0[1]}"
    
    
# 设置 Use info
setIdentity()
{
    local current_id local_id
    
    current_id[0]="$(git config --get --local user.name)"
    current_id[1]="$(git config --get --local user.email)"
    
    local_id=("$@")
    
    if [[ "${current_id[0]}" == "${local_id[0]}" &&
          "${current_id[1]}" == "${local_id[1]}" ]]; then
        printf " Local identity is:\n"
        printf "»  User: %s\n»  Mail: %s\n\n" "${current_id[@]}"
    else
        printf "»  User: %s\n»  Mail: %s\n\n" "${local_id[@]}"
        git config --local user.name "${local_id[0]}"
        git config --local user.email "${local_id[1]}"
    fi
    
    return 0
}
    
    
current_remote_url="$(git config --get --local remote.origin.url)"
    
if [[ "$current_remote_url" ]]; then
    
    for service in "${git_remotes[@]}"; do
    
        # 关闭正则匹配的大小写
        shopt -s nocasematch
    
        if [[ "$current_remote_url" =~ $service ]]; then
            case "$service" in
    
                "${git_remotes[0]}" )
                    printf "\n»» An Intermission\n»  %s repository found." "${git_remotes[0]}"
                    setIdentity "${local_id_0[@]}"
                    exit 0
                    ;;
    
                "${git_remotes[1]}" )
                    printf "\n»» An Intermission\n»  %s repository found." "${git_remotes[1]}"
                    setIdentity "${local_id_1[@]}"
                    exit 0
                    ;;
    
                * )
                    printf "\n»  pre-commit hook: unknown error\n» Quitting.\n"
                    exit 1
                    ;;
    
            esac
        fi
    done
else
    printf "\n»» An Intermission\n»  No remote repository set. Using local fallback identity:\n"
    printf "»  User: %s\n»  Mail: %s\n\n" "${local_fallback_id[@]}"
    
    git config --local user.name "${local_fallback_id[0]}"
    git config --local user.email "${local_fallback_id[1]}"
fi
    
exit 0