Git 技术篇 - 同步代码到github失败，提示non-fast-forwarderror: failed to push some refs to问题解决方法，git pull的用法

Posted 2021-07-30 挣扎的蓝藻

因为 github 上仓库里删过一些内容，导致本地的仓库和 github 里的对不上了。
此时用 git push 操作就会报 non-fast-forward，error: failed to push some refs to 的错误，这也是 git 安全机制的一部分。

所以我们只需要进行下 git pull origin master 就行了，其中 origin 指的是仓库源，master 指的是分支。
git pull origin master 就相当于：

$ git fetch origin master   #  从github上抓取代码到本地
$ git merge origin FETCH_HEAD    # 与本地代码进行合并

执行过程中会弹出这样一个编辑框，可以用来记录此次调整的改动。
编辑方法如果不会可以看这篇文章：
Linux 技术篇-使用vim命令创建、编辑文件内容实例演示，linux修改文档方法

都做完了，再进行 git add、git commit、git push 操作重新同步就可以了。

强制同步方法：
如果 git push 加个 -f 或 –force 参数可以强制进行同步。

下面是整个操作的完整过程：

小蓝枣+Administrator@С▒▒▒▒ MINGW64 /c/Py_jupyter (master)
$ git push -u origin master
To https://github.com/2418546511/Py_jyputer.git/
 ! [rejected]        master -> master (non-fast-forward)
error: failed to push some refs to 'https://2418546511:[e-mail]/2418546511/Py_jyputer.git/'
hint: Updates were rejected because the tip of your current branch is behind
hint: its remote counterpart. Integrate the remote changes (e.g.
hint: 'git pull ...') before pushing again.
hint: See the 'Note about fast-forwards' in 'git push --help' for details.

小蓝枣+Administrator@С▒▒▒▒ MINGW64 /c/Py_jupyter (master)
$ git pull origin master
From https://github.com/2418546511/Py_jyputer
 * branch            master     -> FETCH_HEAD
Removing Java_Project/untitled1/untitled1.iml
Removing Java_Project/untitled1/.idea/modules.xml
Removing Java_Project/untitled1/.idea/misc.xml
Removing Java_Project/untitled1/.idea/libraries/workbench_workbenchLevel_1.xml
Removing Java_Project/untitled1/.idea/libraries/polardb_jdbc18.xml
Removing Java_Project/untitled1/.idea/.gitignore
Removing Java_Project/test/test.iml
Removing Java_Project/test/src/com/test/test/test.java
Removing Java_Project/test/src/com/test/test/readExcel.java
Removing Java_Project/test/src/com/test/test/SiKuliTest.java
Removing Java_Project/test/src/com/test/test/ReadFile.java
Removing Java_Project/test/src/com/test/test/ReadClipboard.java
Removing Java_Project/test/out/production/test/com/test/test/readExcel.class
Removing Java_Project/test/out/production/test/com/test/test/SiKuliTest.class
Removing Java_Project/test/.idea/modules.xml
Removing Java_Project/test/.idea/misc.xml
Removing Java_Project/test/.idea/compiler.xml
Removing Java_Project/test/.idea/.gitignore
Adding Java_Project/dbmanage/src/com/dbmanage/db/config.txt
Adding Java_Project/dbmanage/src/com/dbmanage/db/ReadFile.java
Adding Java_Project/dbmanage/src/com/dbmanage/db/ReadClipboard.java
Adding Java_Project/dbmanage/src/com/dbmanage/db/DBUpdate.java
Adding Java_Project/dbmanage/src/com/dbmanage/db/DBQuery.java
Adding Java_Project/dbmanage/src/com/dbmanage/db/DBMain.java
Adding Java_Project/dbmanage/src/com/dbmanage/db/DBConn.java
Adding Java_Project/dbmanage/src/META-INF/MANIFEST.MF
Adding Java_Project/dbmanage/out/production/dbmanage/com/dbmanage/db/config.txt
Adding Java_Project/dbmanage/out/production/dbmanage/com/dbmanage/db/ReadFile.class
Adding Java_Project/dbmanage/out/production/dbmanage/com/dbmanage/db/ReadClipboard.class
Adding Java_Project/dbmanage/out/production/dbmanage/com/dbmanage/db/ReadClipboard$Result.class
Adding Java_Project/dbmanage/out/production/dbmanage/com/dbmanage/db/DBUpdate.class
Adding Java_Project/dbmanage/out/production/dbmanage/com/dbmanage/db/DBQuery.class
Adding Java_Project/dbmanage/out/production/dbmanage/com/dbmanage/db/DBMain.class
Adding Java_Project/dbmanage/out/production/dbmanage/com/dbmanage/db/DBConn.class
Adding Java_Project/dbmanage/out/production/dbmanage/META-INF/MANIFEST.MF
Adding Java_Project/dbmanage/out/artifacts/dbmanage_jar/dbmanage.jar
Adding Java_Project/dbmanage/dbmanage.iml
Adding Java_Project/dbmanage/.idea/vcs.xml
Adding Java_Project/dbmanage/.idea/uiDesigner.xml
Adding Java_Project/dbmanage/.idea/modules.xml
Adding Java_Project/dbmanage/.idea/misc.xml
Adding Java_Project/dbmanage/.idea/compiler.xml
Adding Java_Project/dbmanage/.idea/artifacts/dbmanage_jar.xml
Adding Java_Project/dbmanage/.idea/.gitignore
Removing Java_Project/databaseTool/databaseTool.iml
Removing Java_Project/databaseTool/.idea/modules.xml
Removing Java_Project/databaseTool/.idea/misc.xml
Removing Java_Project/databaseTool/.idea/.gitignore
Merge made by the 'recursive' strategy.
 Java_Project/databaseTool/.idea/.gitignore         |   3 -
 Java_Project/databaseTool/.idea/misc.xml           |   6 --
 Java_Project/databaseTool/.idea/modules.xml        |   8 ---
 Java_Project/databaseTool/databaseTool.iml         |  11 ---
 Java_Project/test/.idea/.gitignore                 |   3 -
 Java_Project/test/.idea/compiler.xml               |   6 --
 Java_Project/test/.idea/misc.xml                   |   6 --
 Java_Project/test/.idea/modules.xml                |   8 ---
 .../production/test/com/test/test/SiKuliTest.class | Bin 1234 -> 0 bytes
 .../production/test/com/test/test/readExcel.class  | Bin 3730 -> 0 bytes
 .../test/src/com/test/test/ReadClipboard.java      |  63 -----------------
 Java_Project/test/src/com/test/test/ReadFile.java  |  38 -----------
 .../test/src/com/test/test/SiKuliTest.java         |  26 -------
 Java_Project/test/src/com/test/test/readExcel.java |  76 ---------------------
 Java_Project/test/src/com/test/test/test.java      |  35 ----------
 Java_Project/test/test.iml                         |  29 --------
 Java_Project/untitled1/.idea/.gitignore            |   3 -
 .../untitled1/.idea/libraries/polardb_jdbc18.xml   |   9 ---
 .../.idea/libraries/workbench_workbenchLevel_1.xml |   9 ---
 Java_Project/untitled1/.idea/misc.xml              |   6 --
 Java_Project/untitled1/.idea/modules.xml           |   8 ---
 Java_Project/untitled1/untitled1.iml               |  13 ----
 22 files changed, 366 deletions(-)
 delete mode 100644 Java_Project/databaseTool/.idea/.gitignore
 delete mode 100644 Java_Project/databaseTool/.idea/misc.xml
 delete mode 100644 Java_Project/databaseTool/.idea/modules.xml
 delete mode 100644 Java_Project/databaseTool/databaseTool.iml
 delete mode 100644 Java_Project/test/.idea/.gitignore
 delete mode 100644 Java_Project/test/.idea/compiler.xml
 delete mode 100644 Java_Project/test/.idea/misc.xml
 delete mode 100644 Java_Project/test/.idea/modules.xml
 delete mode 100644 Java_Project/test/out/production/test/com/test/test/SiKuliTest.class
 delete mode 100644 Java_Project/test/out/production/test/com/test/test/readExcel.class
 delete mode 100644 Java_Project/test/src/com/test/test/ReadClipboard.java
 delete mode 100644 Java_Project/test/src/com/test/test/ReadFile.java
 delete mode 100644 Java_Project/test/src/com/test/test/SiKuliTest.java
 delete mode 100644 Java_Project/test/src/com/test/test/readExcel.java
 delete mode 100644 Java_Project/test/src/com/test/test/test.java
 delete mode 100644 Java_Project/test/test.iml
 delete mode 100644 Java_Project/untitled1/.idea/.gitignore
 delete mode 100644 Java_Project/untitled1/.idea/libraries/polardb_jdbc18.xml
 delete mode 100644 Java_Project/untitled1/.idea/libraries/workbench_workbenchLevel_1.xml
 delete mode 100644 Java_Project/untitled1/.idea/misc.xml
 delete mode 100644 Java_Project/untitled1/.idea/modules.xml
 delete mode 100644 Java_Project/untitled1/untitled1.iml

小蓝枣+Administrator@С▒▒▒▒ MINGW64 /c/Py_jupyter (master)
$ git add Java_Project

小蓝枣+Administrator@С▒▒▒▒ MINGW64 /c/Py_jupyter (master)
$ git commit -m "update java project 6.30"
[master 37e0f83] update java project 6.30
 3 files changed, 324 insertions(+)
 create mode 100644 Java_Project/databaseTool/.idea/workspace.xml
 create mode 100644 Java_Project/test/.idea/workspace.xml
 create mode 100644 Java_Project/untitled1/.idea/workspace.xml

小蓝枣+Administrator@С▒▒▒▒ MINGW64 /c/Py_jupyter (master)
$ git push -u origin master
Enumerating objects: 76, done.
Counting objects: 100% (76/76), done.
Delta compression using up to 16 threads
Compressing objects: 100% (50/50), done.
error: RPC failed; curl 55 SSL_write() returned SYSCALL, errno = 10053
fatal: the remote end hung up unexpectedly 88.00 KiB/s
Writing objects: 100% (67/67), 21.22 MiB | 346.00 KiB/s, done.
Total 67 (delta 9), reused 0 (delta 0)
fatal: the remote end hung up unexpectedly
Everything up-to-date

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