Initial Commit - moved out of ubuntu_config.

lib/git/tools.sh

@@ -0,0 +1,31 @@
+# -------------------------------------------------------
+# Git Breeze - Streamline your git workflow.
+# Copyright 2011 Nathan Broadbent (http://madebynathan.com). All Rights Reserved.
+# Released under the LGPL (GNU Lesser General Public License)
+# -------------------------------------------------------
+
+# -----------------------------------------------------------------
+# Misc Git Tools
+# - Please feel free to add your own git scripts, and send me a pull request
+#   at https://github.com/ndbroadbent/scm_breeze
+# -----------------------------------------------------------------
+
+
+# Remove files/folders from git history
+# -------------------------------------------------------------------
+# To use it, cd to your repository's root and then run the function
+# with a list of paths you want to delete. e.g. git_remove_history path1 path2
+# Original Author: David Underhill
+git_remove_history() {
+  # Make sure we're at the root of a git repo
+  if [ ! -d .git ]; then
+      echo "Error: must run this script from the root of a git repository"
+      return
+  fi
+  # Remove all paths passed as arguments from the history of the repo
+  files=$@
+  git filter-branch --index-filter "git rm -rf --cached --ignore-unmatch $files" HEAD
+  # Remove the temporary history git-filter-branch otherwise leaves behind for a long time
+  rm -rf .git/refs/original/ && git reflog expire --all &&  git gc --aggressive --prune
+}
+