X-Git-Url: https://git.xandkar.net/?p=git-cheat-sheet.git;a=blobdiff_plain;f=README.md;h=3dbce00338f4f05879d30dcba712e7f87206389e;hp=2e13e3d3d795359f3c1521f4766af6b8c20af894;hb=fe79085123faf9e524caa33bf00f0024b6589960;hpb=3fd4f97336fb90332b450544ccb8249c029e26ca

diff --git a/README.md b/README.md
index 2e13e3d..3dbce00 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 +41,14 @@ $ 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
+```