Add deleting all tags, local and remote.
[git-cheat-sheet.git] / README.md
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1git-cheat-sheet
2===============
3
4How to do stuff with git
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5
6
7Splitting a repo
8----------------
9
aa63a549 10##### Remove history of all but select files in cloned repo
6b6ba9f3 11```sh
fe790851 12$ git clone old new
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13$ cd new
14$ git clean -dfx
15$ git gc --aggressive --prune=now
16$ git remote rm origin
17$ git filter-branch \
18 --prune-empty \
19 --index-filter '
20 git ls-tree -r --name-only HEAD \
21 | grep -v file_i_want_to_keep_1 \
22 | grep -v file_i_want_to_keep_.. \
23 | grep -v file_i_want_to_keep_n \
24 | xargs git rm --cached -r --ignore-unmatch
25 ' \
26 HEAD
27$ git gc --aggressive --prune=now
28```
29
aa63a549 30##### Remove history of previously-removed (not in current tree) files
6b6ba9f3 31```sh
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32$ git log --pretty=format: --name-status \
33 | awk '$0 != "" {print $2}' \
34 | sort -u > /tmp/tree.old
6b6ba9f3 35$ git ls-tree -r --name-only HEAD > /tmp/tree.new
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36$ git filter-branch \
37 --prune-empty \
38 --index-filter '
39 grep -Fvxf /tmp/tree.new /tmp/tree.old \
40 | xargs git rm --cached -r --ignore-unmatch
41 ' \
42 HEAD
6b6ba9f3 43```
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44
45
46Inserting a new root commit
47---------------------------
48```sh
49git checkout --orphan $TEMP_BRANCH
50git rm -rf .
51git commit --allow-empty -m $INIT_COMMIT_MSG
52git rebase --onto $TEMP_BRANCH --root $MAIN_BRANCH
53git branch -d $TEMP_BRANCH
54```
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55
56
57Deleting all tags, locally and remotely
58---------------------------------------
59```sh
60for tag in `git tag`;
61do
62 git tag -d $tag
63 git push origin :refs/tags/$tag
64done
65```
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