Question

我正在尝试编写一个脚本，帮助我将一些旧用户映射到少数Git存储库中的新用户。我遇到的问题是子进程模块。像“git status”这样的简单命令似乎运行正常，但更复杂的“git filter-branch”命令对我失败了。

filter_history函数

def filter_history(old, new, name, repoPath):

command = """ filter-branch --env-filter '
        an="$GIT_AUTHOR_NAME"
        am="$GIT_AUTHOR_EMAIL"
        cn="$GIT_COMMITTER_NAME"
        cm="$GIT_COMMITTER_EMAIL"

        if [[ "$GIT_COMMITTER_EMAIL" == |old|* ]]
        then
            cn="|name|"
            cm="|new|"
        fi
        if [[ "$GIT_AUTHOR_EMAIL" == |old|* ]]
        then
            an="|name|"
            am="|new|"
        fi

        export GIT_AUTHOR_NAME="$an"
        export GIT_AUTHOR_EMAIL="$am"
        export GIT_COMMITTER_NAME="$cn"
        export GIT_COMMITTER_EMAIL="$cm"
    '
"""

#Do string replace
command = command.replace("|old|", old)
command = command.replace("|new|", new)
command = command.replace("|name|", name)

subprocess.Popen(['/usr/bin/git', command], cwd=os.path.dirname(repoPath), shell=False)

一些示例输出：

fatal: cannot exec 'git- filter-branch --env-filter '
        an="$GIT_AUTHOR_NAME"
        am="$GIT_AUTHOR_EMAIL"
        cn="$GIT_COMMITTER_NAME"
        cm="$GIT_COMMITTER_EMAIL"

        if [[ "$GIT_COMMITTER_EMAIL" == jacks* ]]
        then
            cn="Jack Slingerland"
            cm="jacks-teamddm"
        fi
        if [[ "$GIT_AUTHOR_EMAIL" == jacks* ]]
        then
            an="Jack Slingerland"
            am="jacks-teamddm"
        fi

        export GIT_AUTHOR_NAME="$an"
        export GIT_AUTHOR_EMAIL="$am"
        export GIT_COMMITTER_NAME="$cn"
        export GIT_COMMITTER_EMAIL="$cm"
    '
': File name too long

我注意到的一些事情是git命令会附加一个连字符，这对我来说没什么意义。此外，如果我从打印的命令中删除额外的hypen并在repoPath中执行它，一切正常。任何帮助或指导都将非常感激。

Answer 1

这应该有效:(我正在使用linux）

def filter_history(old, new, name, repoPath):
    command = """'
        an="$GIT_AUTHOR_NAME"
        am="$GIT_AUTHOR_EMAIL"
        cn="$GIT_COMMITTER_NAME"
        cm="$GIT_COMMITTER_EMAIL"

        if [[ "$GIT_COMMITTER_EMAIL" == |old|* ]]
        then
            cn="|name|"
            cm="|new|"
        fi
        if [[ "$GIT_AUTHOR_EMAIL" == |old|* ]]
        then
            an="|name|"
            am="|new|"
        fi

        export GIT_AUTHOR_NAME="$an"
        export GIT_AUTHOR_EMAIL="$am"
        export GIT_COMMITTER_NAME="$cn"
        export GIT_COMMITTER_EMAIL="$cm"
    '
    """

#Do string replace
    command = command.replace("|old|", old)
    command = command.replace("|new|", new)
    command = command.replace("|name|", name)

    subprocess.Popen(['git filter-branch --env-filter', command],cwd=os.path.dirname(repoPath), shell=True)

请注意subprocess.Popen函数中的“shell = True”

Answer 2

作为任何人的一个FYI，@ xueyymusic是最接近的。我最终使用了以下内容：

def filter_history(old, new, name, repoPath):

command = """--env-filter '
        an="$GIT_AUTHOR_NAME"
        am="$GIT_AUTHOR_EMAIL"
        cn="$GIT_COMMITTER_NAME"
        cm="$GIT_COMMITTER_EMAIL"

        if [[ "$GIT_COMMITTER_EMAIL" == |old|* ]]
        then
            cn="|name|"
            cm="|new|"
        fi

        if [[ "$GIT_AUTHOR_EMAIL" == |old|* ]]
        then
            an="|name|"
            am="|new|"
        fi

        export GIT_AUTHOR_NAME="$an"
        export GIT_AUTHOR_EMAIL="$am"
        export GIT_COMMITTER_NAME="$cn"
        export GIT_COMMITTER_EMAIL="$cm"
'
"""

#DO string replace
command = command.replace("|old|", old)
command = command.replace("|new|", new)
command = command.replace("|name|", name)

process = subprocess.Popen(['git filter-branch', command],cwd=os.path.dirname(repoPath), shell=True)

使用git filter-branch和Python子进程模块

2 个答案: