#!/bin/bash
# * create-bare-repo
#   Allows users to create repo.git
#   ssh git@host create-bare-repo repo1 repo2 ...

set -e

for repo in "$@"; do
    repo="$(sed -r 's,^/*,,' <<<"$repo")"
    _repo="$(sed -r -e '/(^|\/)\.\.($|\/)/d' -e "s,[^A-Za-z0-9\./_~-],,g" <<<"$repo")"
    test "$repo" != "$_repo" && { printf 'Illegal name: %s\n'   "${repo}"; continue; }
    test -d "$repo".git      && { printf 'Already exists: %s\n' "${repo}"; continue; }

    mkdir -p -- "$repo".git
    pushd "$repo".git >/dev/null
    git init --bare
    popd >/dev/null
done