X-Git-Url: https://git.xandkar.net/?p=git-cheat-sheet.git;a=blobdiff_plain;f=README.md;h=81c0cb1320c60ebb1335262b4f8ffafd79cb8c89;hp=2e13e3d3d795359f3c1521f4766af6b8c20af894;hb=b5a37a6e5a2c2421ece77504c1ce97ddc0fae46a;hpb=3fd4f97336fb90332b450544ccb8249c029e26ca

diff --git a/README.md b/README.md
index 2e13e3d..81c0cb1 100644
--- a/README.md
+++ b/README.md
@@ -7,9 +7,9 @@ How to do stuff with git
 Splitting a repo
 ----------------
 
-### Remove history of all but select files in cloned repo
+##### Remove history of all but select files in cloned repo
 ```sh
-$ cp -Rp old new
+$ git clone old new
 $ cd new
 $ git clean -dfx
 $ git gc --aggressive --prune=now
@@ -27,7 +27,7 @@ $ git filter-branch \
 $ git gc --aggressive --prune=now
 ```
 
-### Remove history of previously-removed (not in current tree) files
+##### Remove history of previously-removed (not in current tree) files
 ```sh
 $ git log --pretty=format: --name-status \
     | awk '$0 != "" {print $2}' \
@@ -41,3 +41,25 @@ $ git filter-branch \
     ' \
     HEAD
 ```
+
+
+Inserting a new root commit
+---------------------------
+```sh
+git checkout --orphan $TEMP_BRANCH
+git rm -rf .
+git commit --allow-empty -m $INIT_COMMIT_MSG
+git rebase --onto $TEMP_BRANCH --root $MAIN_BRANCH
+git branch -d $TEMP_BRANCH
+```
+
+
+Deleting all tags, locally and remotely
+---------------------------------------
+```sh
+for tag in `git tag`;
+do
+    git tag -d $tag
+    git push $REMOTE_NAME :refs/tags/$tag
+done
+```