git submodule-rm

git-submodule-rm.sh

#!/bin/bash

function actual_path() {
  if [ [ -z "$1" ] -a [ -d $1 ] ]; then
    echo $(cd $1 && test `pwd` = `pwd -P`)
    return 0
  else
    return 1
  fi
}

function is_submodule() {
    local top_level parent_git module_name

    if [ -d "$1" ]; then
      cd $1
    else
      return 1
    fi

    # Find the root of this git repo, then check if its parent dir is also a repo
    top_level="$(git rev-parse --show-toplevel)"
    if [ ! actual_path $toplevel ]; then
      top_level="$(cd $top_level && pwd -P)"
    fi

    module_name="$(basename "$top_level")"
    parent_git="$(cd "$top_level/.." && git rev-parse --show-toplevel 2> /dev/null)"

    if [[ -n $parent_git ]]; then
      return 0
    else
      return 1
    fi
}

function is_gitroot() {
  if [ "$(pwd -P)" = "$(git rev-parse --show-toplevel)" ]; then
    return 0
  else
    return 1
  fi
}

# first check if it's a valid path
if [ ! -d "$1" ]; then
  echo "Usage: alias/script <path>"
  exit
fi

# then check whether we're at git root
if is_gitroot; then
  # finally check whether the given path is a submodule
  if $(is_submodule "${1}"); then
    echo "let's remove those submodules"
    # using ${1%/} to remove trailing slashes
    git config -f .gitmodules --remove-section submodule.${1%/}
    git config -f .git/config --remove-section submodule.${1%/}
    git rm --cached ${1%/}
  else
    echo "git submodule rm is not recursive yet, aborting."
  fi
else
  echo "You need to run this command from the toplevel of the working tree."
fi

how to make git aliases: http://davidwalsh.name/git-aliases

example for the gist: git config --global alias.submodule-rm '!sh /path/to/git-submodule-rm.sh'