Gitlab runner 13.1.1 检查提交而不是我的分支

Question

我有一个 .gitlab-ci.yml 文件，之前运行与 Gitlab 运行ner 12.9.0 没有问题。运行ner 已更新到 13.1.1，现在它不再签出到我的分支 20-branchname，而是提交。（可能是最近的一个）这意味着运行ner 无法将分支与 master 分支合并以执行一致性检查，因为它会导致 fatal: refusing to merge unrelated histories。我正在使用 GitLab 13.2.0-pre

当我让运行ner 执行 git status 时，它会打印出 HEAD 已分离。我在使用不同版本的运行ner:

的两个管道的原始日志中发现了这种差异

12.9.0:

[32;1mChecking out 16b0a39c as 20-branchname...[0;m
From {repository url}
 * [new ref]         refs/pipelines/127602838 -> refs/pipelines/127602838
 * [new branch]      20-branchname             -> origin/20-branchname
git-lfs/2.8.0 (GitHub; windows amd64; go 1.12.2; git 30af66bb)

13.1.1:

[32;1mChecking out 7410f5aa as 20-branchname...[0;m
git-lfs/2.8.0 (GitHub; windows amd64; go 1.12.2; git 30af66bb)

这是我的 .gitlab-ci.yml 的样子：

.shared_windows_runners:
  tags:
  - shared-windows
  - windows
  - windows-1809

stages:
  - test

# A few templates that help determine when to run a program
.template_manual_trigger_on_wip_merge_request:
  rules: &manual_trigger_on_wip_merge_request
    - if: '$CI_MERGE_REQUEST_TITLE =~ /WIP/'
      when: manual
      allow_failure: false
    - when: always
      allow_failure: false

.template_run_always:
  rules: &run_always
    - when: always
      allow_failure: false

# Check that the checked in target matches what is being generated.
Coherence Check:
  extends:
  - .shared_windows_runners
  stage: test
  rules: *manual_trigger_on_wip_merge_request
  before_script:
      # Git setup
    - git config --global user.email "runner@mail.com"
    - git config --global user.name "Runner name"
    - git config --global core.safecrlf false
    - git submodule sync
    - git submodule update --init
    - git status
    # Results in detached HEAD
  script:
    - git fetch origin
    - git merge origin/master -X ours -m "coherence check merge"
    # It fails here with "fatal: refusing to merge unrelated histories"

我也尝试在 .gitlab-ci.yml 中添加一个 git checkout 20-branchname 虽然它确实导致 git status 显示我的分支已被检出而不是提交，但它仍然当它试图与 master 合并时导致不相关的历史错误。

有没有人知道 Gitlab 运行ner 12.9.0 和 13.1.1 之间的区别可能是原因？感谢您的帮助！

Answer 1

原来问题是 git 深度。它默认设置为 50，我最近对我的分支的提交超过了 50。我通过将此添加到 .gitlab-ci.yml:

来解决它

variables:
  GIT_DEPTH: full

Gitlab runner 13.1.1 检查提交而不是我的分支

Gitlab runner 13.1.1 checks out a commit and not my branch

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