如何将浅表克隆推到新的仓库? [英] How to push a shallow clone to a new repo?
问题描述
我希望摆脱很多回购协议的旧历史，所以我做了一个浅表克隆，仅获取了最近的50次提交:
I wish to get rid of a lot of my repo's old history, so I did a shallow clone to get the last 50 commits only:
git clone --depth=50 https://my.repo
这行得通，但是当我创建一个新的Gitlab存储库并尝试将其推送时，我得到一个错误:
That worked OK, but when I create a new Gitlab repo and try to push it I get an error:
git remote remove origin
git remote add origin https://my.repo
git push -u origin --all
[...]
! [remote rejected] master -> master (shallow update not allowed)
但是我只希望这50次提交成为我新回购协议的历史记录.我怎么能告诉git它应该只将这50次提交作为新仓库中的唯一提交?
But I only want these 50 commits to be in my new repo's history. How can I tell git that it should just treat these 50 commits as the only commits in the new repo?
推荐答案
这就是我最终要做的-效果很好.请注意，我正在从旧主机(Bitbucket)移到新主机(Gitlab).我的评论位于命令上方:
Here's what I ended up doing - it worked perfectly. Note that I was moving from my old host (Bitbucket) to my new one (Gitlab). My comments are above the commands:
# First, shallow-clone the old repo to the depth we want to keep
git clone --depth=50 https://...@bitbucket.org/....git
# Go into the directory of the clone
cd clonedrepo
# Once in the clone's repo directory, remove the old origin
git remote remove origin
# Store the hash of the oldest commit (ie. in this case, the 50th) in a var
START_COMMIT=$(git rev-list master|tail -n 1)
# Checkout the oldest commit; detached HEAD
git checkout $START_COMMIT
# Create a new orphaned branch, which will be temporary
git checkout --orphan temp_branch
# Commit the initial commit for our new truncated history; it will be the state of the tree at the time of the oldest commit (the 50th)
git commit -m "Initial commit"
# Now that we have that initial commit, we're ready to replay all the other commits on top of it, in order, so rebase master onto it, except for the oldest commit whose parents don't exist in the shallow clone... it has been replaced by our 'initial commit'
git rebase --onto temp_branch $START_COMMIT master
# We're now ready to push this to the new remote repo... add the remote...
git remote add origin https://gitlab.com/....git
# ... and push. We don't need to push the temp branch, only master, the beginning of whose commit chain will be our 'initial commit'
git push -u origin master
在那之后，我做了一个新仓库的新克隆，我只得到了master分支，其中包含最近的50次提交-正是我想要的！ :-)提交历史记录已从250MB增加到50MB.哇！
After that, I did a fresh clone of the new repo and I got just the master branch with the 50 most recent commits - exactly what I wanted! :-) Commit history has gone from 250MB to 50MB. Woot.
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