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DCO

Ref: https://github.com/apps/dco

This App enforces the Developer Certificate of Origin (DCO) on Pull Requests. It requires all commit messages to contain the Signed-off-by line with an email address that matches the commit author.

  • DCO 作用于 Pull Request
  • DCO 要求 commit 中必须包含 Signed-off-by 用于匹配 author 的 email ；

The Developer Certificate of Origin (DCO) is a lightweight way for contributors to certify that they wrote or otherwise have the right to submit the code they are contributing to the project. Here is the full text of the DCO, reformatted for readability:

DCO 是一种确认 contributors 是否具有所有权的轻量级方式；

By making a contribution to this project, I certify that:

The contribution was created in whole or in part by me and I have the right to submit it under the open source license indicated in the file; or

The contribution is based upon previous work that, to the best of my knowledge, is covered under an appropriate open source license and I have the right under that license to submit that work with modifications, whether created in whole or in part by me, under the same open source license (unless I am permitted to submit under a different license), as indicated in the file; or

The contribution was provided directly to me by some other person who certified (a), (b) or (c) and I have not modified it.

I understand and agree that this project and the contribution are public and that a record of the contribution (including all personal information I submit with it, including my sign-off) is maintained indefinitely and may be redistributed consistent with this project or the open source license(s) involved.

上面是完整的 DCO 文本内容；

Contributors sign-off that they adhere to these requirements by adding a Signed-off-by line to commit messages.

This is my commit message

Signed-off-by: Random J Developer <[email protected]>

sign-off 的格式；

Git even has a -s command line option to append this automatically to your commit message:

$ git commit -s -m 'This is my commit message'

Once installed, this integration will set the status to failed if commits in a Pull Request do not contain a valid Signed-off-by line.

实际问题

➜  new git:(proposal/a_go_cli_tool_for_harbor) git remote -v
my	[email protected]:moooofly/community.git (fetch)
my	[email protected]:moooofly/community.git (push)
origin	[email protected]:goharbor/community (fetch)
origin	[email protected]:goharbor/community (push)
➜  new git:(proposal/a_go_cli_tool_for_harbor)

➜  new git:(proposal/a_go_cli_tool_for_harbor) git lg1
* c0086b9 - (25 minutes ago) update — moooofly (HEAD -> proposal/a_go_cli_tool_for_harbor, my/proposal/a_go_cli_tool_for_harbor)
* df816e3 - (36 minutes ago) New Proposal: A Go CLI Client for Harbor — moooofly
*   5c9858c - (3 days ago) Merge pull request #5 from goharbor/summarize_meeting_minutes_0913 — Steven Zou (origin/master, origin/HEAD, master)
|\
| * 5c0d16a - (3 days ago) Add meeting minutes for 2018/09/13 meeting — Steven Zou
|/
*   74a7ae7 - (5 days ago) Merge pull request #3 from goharbor/add_proposal_folders — Steven Zou
|\
| * d405cee - (5 days ago) Add the missing expected existing folder 'proposals' — Steven Zou
* |   e857eb1 - (5 days ago) Merge pull request #2 from goharbor/add_proposal_folders — Steven Zou
|\ \
| |/
| * 4ed6afa - (5 days ago) Add proposal folders to keep raisd proposals from community and also update the README to reflect the change — Steven Zou
|/
| * 89faa64 - (10 days ago) Add the very drafted version of governance model docs — Steven Zou (origin/build_governance_model)
|/
* 62f6dc7 - (11 days ago) Add slides link to the meeting minutes doc — Steven Zou
*   06f0cb7 - (11 days ago) Fix conflicts — Steven Zou
|\
| * 2ae792b - (11 days ago) Add meeting minutes of 2018/09/05 — Steven Zou
* | ab4e070 - (11 days ago) Add meeting minutes of 2018/09/05 — Steven Zou
|/
* d1264b0 - (4 weeks ago) Set up repo and add some related materia — Steven Zou
* 7ee0fb2 - (4 weeks ago) Initial commit — Steven Zou

➜  new git:(proposal/a_go_cli_tool_for_harbor) git rebase HEAD~2 --signoff
Current branch proposal/a_go_cli_tool_for_harbor is up to date, rebase forced.
First, rewinding head to replay your work on top of it...
Applying: New Proposal: A Go CLI Client for Harbor
Applying: update
➜  new git:(proposal/a_go_cli_tool_for_harbor)

➜  new git:(proposal/a_go_cli_tool_for_harbor) git push --force my proposal/a_go_cli_tool_for_harbor
Counting objects: 10, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (10/10), done.
Writing objects: 100% (10/10), 1.55 KiB | 1.55 MiB/s, done.
Total 10 (delta 6), reused 0 (delta 0)
remote: Resolving deltas: 100% (6/6), completed with 2 local objects.
To github.com:moooofly/community.git
 + 6f8d98d...c0086b9 proposal/a_go_cli_tool_for_harbor -> proposal/a_go_cli_tool_for_harbor (forced update)
➜  new git:(proposal/a_go_cli_tool_for_harbor)


➜  new git:(proposal/a_go_cli_tool_for_harbor) git log
commit c0086b9278b87bcebad20512ab3a4d3b882a19c1 (HEAD -> proposal/a_go_cli_tool_for_harbor, my/proposal/a_go_cli_tool_for_harbor)
Author: moooofly <[email protected]>
Date:   Mon Sep 17 11:15:59 2018 +0800

    update

    Signed-off-by: moooofly <[email protected]>

commit df816e3e3f197c48a476eb489e62c77c49e87327
Author: moooofly <[email protected]>
Date:   Mon Sep 17 11:05:30 2018 +0800

    New Proposal: A Go CLI Client for Harbor

    Signed-off-by: moooofly <[email protected]>

commit 5c9858c9fa3940f79619551591d11e5819b6339b (origin/master, origin/HEAD, master)
Merge: 74a7ae7 5c0d16a
Author: Steven Zou <[email protected]>
Date:   Fri Sep 14 13:51:39 2018 +0800

    Merge pull request #5 from goharbor/summarize_meeting_minutes_0913

    Add meeting minutes for 2018/09/13 meeting

commit 5c0d16ad930611e0b9bcbaefefc033d489c57790
Author: Steven Zou <[email protected]>
Date:   Fri Sep 14 13:48:59 2018 +0800

    Add meeting minutes for 2018/09/13 meeting

    Signed-off-by: Steven Zou <[email protected]>
...

DCO failed and resolve method

DCO success

signoff

  • git-commit
➜  ~ man git-commit
...
       -s, --signoff
           Add Signed-off-by line by the committer at the end of the commit log message. The meaning of a signoff depends
           on the project, but it typically certifies that committer has the rights to submit this work under the same
           license and agrees to a Developer Certificate of Origin (see http://developercertificate.org/ for more
           information).
  • git-rebase
➜  ~ man git-rebase
...
       --signoff
           This flag is passed to git am to sign off all the rebased commits (see git-am(1)). Incompatible with the --interactive option.
  • git-am
➜  ~ man git-am
...
       -s, --signoff
           Add a Signed-off-by: line to the commit message, using the committer identity of yourself. See the signoff option in git-commit(1) for more information.