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package FuncClass;

import java.io.*;

/**

* @Time : 2020年5月13日22:04:35

* @Author : yyw@ustc

* @E-mail : yang0@mail.ustc.edu.cn

* @Github : https://github.com/ustcyyw

* @desc :

*/

public class GitCmdExecutor {

private String cmd;

/**

* 生成要执行的cmd命令：包括 add commit push

*

* @param repoName 要进行提交的仓库的名称

* @param fileName （注意不要有不同路径下的同名文件）文件名称 不含路径但是含有文件类型 e.g text.txt, readme.md

* @param commit git commit的内容

*/

public GitCmdExecutor(String repoName, String fileName, String commit) {

cmd = "cmd /c " + Setting.getRepPath().substring(0, 2) + " && " +

String.format(Setting.getGoPath(), repoName) +

" && " +

String.format(Setting.getAdd(), fileName) +

" && " +

String.format(Setting.getCommit(), commit) +

" && " +

Setting.getPush();

}

/**

* 生成要执行的cmd命令：仅进行push，这是在push失败之后仅进行push的命令行

*

* @param repoName 要进行提交的仓库的名称

*/

public GitCmdExecutor(String repoName) {

cmd = "cmd /c " + Setting.getRepPath().substring(0, 2) + " && " +

String.format(Setting.getGoPath(), repoName) +

" && " +

Setting.getPush();

}

/**

* 执行 cmd命令

*

* @return 如果指定的文件已经提交过/没有可以提交的文件 返回"nothing to commit, working tree clean"

* 如果有异常发生，返回的是异常信息

* 如果提交成功，返回的是"create ......."

* 如果是没有commit的情况下，执行push会返回空字符串 ""

*/

public String exec() {

String res = ""; // 存放命令行执行结果的最后一行 或者异常信息

try {

Process proc = Runtime.getRuntime().exec(cmd);

BufferedReader br = new BufferedReader(new InputStreamReader(proc.getInputStream(), "UTF-8"));

String line;

while ((line = br.readLine()) != null) {

res = line;

}

br.close();

proc.waitFor(); // 等待命令行执行完成，然后返回主线程

} catch (Exception e) {

res = "error";

}

return res;

}

public static void main(String[] args) throws Exception {

GitCmdExecutor bt = new GitCmdExecutor("markdown-git_tool", "*", "Git命令行执行类");

System.out.println(bt.cmd);

System.out.println(bt.exec());

}

}