git

[root@kunpeng82 mininet]# git branch -vv
* master bfc42f6 [origin/master] Merge pull request #921 from timgates42/bugfix/typo_updates
[root@kunpeng82 mininet]# git config --lis
core.repositoryformatversion=0
core.filemode=true
core.bare=false
core.logallrefupdates=true
remote.origin.url=https://github.com/mininet/mininet
remote.origin.fetch=+refs/heads/*:refs/remotes/origin/*
branch.master.remote=origin
branch.master.merge=refs/heads/master
[root@kunpeng82 mininet]#

$ cd mininet
$ git tag
1.0.0
2.0.0
2.1.0
2.1.0p1
2.1.0p2
2.2.0b0
2.2.0b1
2.2.0b2
2.2.0b3
cs244-spring-2012-final
Above, we see the latest available beta release is 2.2.0b3. So, we switch to that branch on our virtual machine.

$ git checkout -b 2.2.0b3
Switched to a new branch '2.2.0b3'

root@ubuntu:/data1/root/ryu/sdn-ip/Ryu-SDN-IP# git init
Reinitialized existing Git repository in /data1/root/ryu/sdn-ip/Ryu-SDN-IP/.git/
root@ubuntu:/data1/root/ryu/sdn-ip/Ryu-SDN-IP# rm -rf .git
root@ubuntu:/data1/root/ryu/sdn-ip/Ryu-SDN-IP# git init
Initialized empty Git repository in /data1/root/ryu/sdn-ip/Ryu-SDN-IP/.git/
root@ubuntu:/data1/root/ryu/sdn-ip/Ryu-SDN-IP# git commit -m "first commit"



root@ubuntu:/data1/root/ryu/sdn-ip/Ryu-SDN-IP# git remote add origin https://github.com/magnate3/Ryu-SDN-IP.git

root@ubuntu:/data1/root/ryu/sdn-ip/Ryu-SDN-IP# git pull --rebase origin master
fatal: Updating an unborn branch with changes added to the index.
root@ubuntu:/data1/root/ryu/sdn-ip/Ryu-SDN-IP# git push -u origin master
error: src refspec master does not match any.
error: failed to push some refs to 'https://github.com/magnate3/Ryu-SDN-IP.git'
root@ubuntu:/data1/root/ryu/sdn-ip/Ryu-SDN-IP# git branch 
root@ubuntu:/data1/root/ryu/sdn-ip/Ryu-SDN-IP# git checkout -b dev
Switched to a new branch 'dev'
root@ubuntu:/data1/root/ryu/sdn-ip/Ryu-SDN-IP# git branch
root@ubuntu:/data1/root/ryu/sdn-ip/Ryu-SDN-IP# git push -u origin master
error: src refspec master does not match any.
error: failed to push some refs to 'https://github.com/magnate3/Ryu-SDN-IP.git'
root@ubuntu:/data1/root/ryu/sdn-ip/Ryu-SDN-IP# git add .
root@ubuntu:/data1/root/ryu/sdn-ip/Ryu-SDN-IP# git commit -m"xxx"
[dev (root-commit) 8cc3cee] xxx
 Committer: root <root@ubuntu.ubuntu>
Your name and email address were configured automatically based
on your username and hostname. Please check that they are accurate.
You can suppress this message by setting them explicitly:

    git config --global user.name "Your Name"
    git config --global user.email you@example.com

After doing this, you may fix the identity used for this commit with:

    git commit --amend --reset-author

 18 files changed, 1137 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 LICENSE
 create mode 100644 README.md
 create mode 100644 VERSION
 create mode 100755 bin/sdnip-mgr
 create mode 100644 config.json.bak
 create mode 100644 config.sample.json
 create mode 100644 requirements.txt
 create mode 100644 sdnip/__init__.py
 create mode 100644 sdnip/arp_proxy.py
 create mode 100644 sdnip/conf_mgr.py
 create mode 100644 sdnip/fwd.py
 create mode 100644 sdnip/fwd_bgp.py
 create mode 100644 sdnip/hop_db.py
 create mode 100644 sdnip/sdn_ip.py
 create mode 100644 setup.cfg
 create mode 100644 setup.py
 create mode 100644 static_arp_table.sample.json
root@ubuntu:/data1/root/ryu/sdn-ip/Ryu-SDN-IP# git pull origin dev
fatal: Couldn't find remote ref dev
root@ubuntu:/data1/root/ryu/sdn-ip/Ryu-SDN-IP# git push origin dev
Username for 'https://github.com': magnate3
Password for 'https://magnate3@github.com': 
Counting objects: 21, done.
Delta compression using up to 64 threads.
Compressing objects: 100% (17/17), done.
Writing objects: 100% (21/21), 11.21 KiB | 2.80 MiB/s, done.
Total 21 (delta 0), reused 0 (delta 0)
To https://github.com/magnate3/Ryu-SDN-IP.git
 * [new branch]      dev -> dev
root@ubuntu:/data1/root/ryu/sdn-ip/Ryu-SDN-IP#

root@ubuntu:/data1/root/ryu/sdn-ip/Ryu-SDN-IP# git add sdn-ip-topology
root@ubuntu:/data1/root/ryu/sdn-ip/Ryu-SDN-IP# git push origin dev
Username for 'https://github.com': magnate3
Password for 'https://magnate3@github.com': 
Everything up-to-date
root@ubuntu:/data1/root/ryu/sdn-ip/Ryu-SDN-IP# git diff
root@ubuntu:/data1/root/ryu/sdn-ip/Ryu-SDN-IP# git status
On branch dev
Changes to be committed:
  (use "git reset HEAD <file>..." to unstage)

        modified:   README.md
        new file:   sdn-ip-topology/configs/quagga-sdn.conf
        new file:   sdn-ip-topology/configs/quagga1.conf
        new file:   sdn-ip-topology/configs/quagga2.conf
        new file:   sdn-ip-topology/configs/quagga3.conf
        new file:   sdn-ip-topology/configs/quagga4.conf
        new file:   sdn-ip-topology/configs/zebra.conf
        new file:   sdn-ip-topology/quagga-sdn.conf
        new file:   sdn-ip-topology/quagga-test1.py
        new file:   sdn-ip-topology/quagga1.conf
        new file:   sdn-ip-topology/quagga2.conf
        new file:   sdn-ip-topology/quagga3.conf
        new file:   sdn-ip-topology/quagga4.conf
        new file:   sdn-ip-topology/zebra.conf

root@ubuntu:/data1/root/ryu/sdn-ip/Ryu-SDN-IP#

之所以引起Everything up-to-date这个信息的原因有：

1）没有git add;
2）git add 了，但忘了git commit -m “提交信息”

root@ubuntu:/data1/root/ryu/sdn-ip/Ryu-SDN-IP# git push origin dev
Username for 'https://github.com': magnate3
Password for 'https://magnate3@github.com': 
Everything up-to-date
root@ubuntu:/data1/root/ryu/sdn-ip/Ryu-SDN-IP# git add README.md sdn-ip-topology
root@ubuntu:/data1/root/ryu/sdn-ip/Ryu-SDN-IP# git commit -m"add step of creating topo"