Identity config for git

git-ident-wrap.sh

# For easily managing your SSH identity for github.
#
# 1. Source this script in your .profile or .bashrc
# 2. Run `git config user.identity=/path/to/keyfile` in each repository you want to be using a non-default SSH identity
# 3. Git around as usual.

function git() {
  local git="$(which git)"
  local cmd=("$git" "${@}")
  local ident="$("$git" config user.identity)"
  if [[ "$?" != 0 || "$ident" == "" ]]; then
    "${cmd[@]}"
  else 
    GIT_SSH_COMMAND='ssh -i '"$ident"' -o IdentitiesOnly=yes' "${cmd[@]}"
  fi
}